#127 fix for new inquiry

* Build SQLite 3.50.3

* Update pivot_vtab, base in Dockerfile.test, fix test after SQLite 3.47

* Update CI image for tests

.eslintrc.cjs

@@ -0,0 +1,29 @@
+module.exports = {
+  root: true,
+  env: {
+    node: true,
+    es2022: true
+  },
+  extends: ['eslint:recommended', 'plugin:vue/vue3-recommended', 'prettier'],
+  rules: {
+    'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
+    'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
+    'no-case-declarations': 'off',
+    'max-len': [2, 100, 4, { ignoreUrls: true }],
+    'vue/multi-word-component-names': 'off',
+    'vue/no-mutating-props': 'warn',
+    'vue/no-reserved-component-names': 'warn',
+    'vue/no-v-model-argument': 'off',
+    'vue/require-default-prop': 'off',
+    'vue/custom-event-name-casing': ['error', 'camelCase'],
+    'vue/attribute-hyphenation': ['error', 'never']
+  },
+  overrides: [
+    {
+      files: ['**/__tests__/*.{j,t}s?(x)', '**/tests/**/*.spec.{j,t}s?(x)'],
+      env: {
+        mocha: true
+      }
+    }
+  ]
+}

.eslintrc.js

@@ -1,28 +0,0 @@
-module.exports = {
-  root: true,
-  env: {
-    node: true
-  },
-  extends: [
-    'plugin:vue/essential',
-    '@vue/standard'
-  ],
-  parserOptions: {
-    parser: 'babel-eslint'
-  },
-  rules: {
-    'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
-    'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off'
-  },
-  overrides: [
-    {
-      files: [
-        '**/__tests__/*.{j,t}s?(x)',
-        '**/tests/unit/**/*.spec.{j,t}s?(x)'
-      ],
-      env: {
-        mocha: true
-      }
-    }
-  ]
-}

.github/workflows/config.grenrc.cjs

@@ -0,0 +1,14 @@
+module.exports = {
+  dataSource: 'milestones',
+  ignoreIssuesWith: ['wontfix', 'duplicate'],
+  milestoneMatch: 'v{{tag_name}}',
+  template: {
+    issue: '- {{name}} [{{text}}]({{url}})',
+    changelogTitle: '',
+    release: '{{body}}'
+  },
+  groupBy: {
+    Enhancements: ['enhancement', 'internal'],
+    'Bug fixes': ['bug']
+  }
+}

.github/workflows/main.yml

@@ -1,40 +1,45 @@
-name: Deploy to GitHub Pages and create release
+name: Create release
 on:
   workflow_dispatch:
   push:
     tags:
-    - '*'
+      - '*'
 
 jobs:
   deploy:
-    name: Deploy to GitHub Pages and create release
-    runs-on: ubuntu-latest    
+    name: Create release
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js
-      uses: actions/setup-node@v1
-      with:
-        node-version: 10.x
-    - name: npm install and build
-      run: |
-        npm install
-        npm run build
+      - uses: actions/checkout@v2
+      - name: Use Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: 18.x
 
-    - name: Create archive
-      run: |
-        cd dist
-        zip -9 -r  dist.zip . -x "js/*.map"
+      - name: Update npm
+        run: npm install -g npm@10
 
-    - name: Create release
-      uses: ncipollo/release-action@v1
-      with:
-        artifacts: "dist/dist.zip"
-        token: ${{ secrets.GITHUB_TOKEN }}
+      - name: npm install and build
+        run: |
+          npm install
+          npm run build
 
-    - name: Deploy 🚀
-      uses: JamesIves/github-pages-deploy-action@3.6.2
-      with:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        BRANCH: build # The branch the action should deploy to.
-        FOLDER: dist/ # The folder the action should deploy.
-        CLEAN: false # Automatically remove deleted files from the deploy branch
+      - name: Create archives
+        run: |
+          cd dist
+          zip -9 -r ../dist.zip . -x "*.map"
+          zip -9 -r  ../dist_map.zip .
+
+      - name: Create Release Notes
+        run: |
+          npm install github-release-notes@0.16.0 -g
+          gren changelog --generate  --config="/.github/workflows/config.grenrc.cjs"
+        env:
+          GREN_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create release
+        uses: ncipollo/release-action@v1
+        with:
+          artifacts: 'dist.zip,dist_map.zip'
+          token: ${{ secrets.GITHUB_TOKEN }}
+          bodyFile: 'CHANGELOG.md'

.github/workflows/test.yml

@@ -0,0 +1,38 @@
+name: Run tests
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'master'
+  pull_request:
+    branches:
+      - 'master'
+
+jobs:
+  test:
+    name: Run tests
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: 18.x
+      - name: Install browsers
+        run: |
+          export DEBIAN_FRONTEND=noninteractive
+          sudo add-apt-repository -y ppa:mozillateam/ppa
+          sudo apt-get update
+          sudo apt-get install -y chromium-browser firefox-esr
+
+      - name: Update npm
+        run: npm install -g npm@10
+
+      - name: Install the project
+        run: npm install
+
+      - name: Run lint
+        run: npm run lint -- --no-fix
+
+      - name: Run karma tests
+        run: npm run test

.gitignore

@@ -1,6 +1,7 @@
 .DS_Store
 node_modules
 /dist
+/coverage
 
 # local env files
 .env.local

.prettierrc

@@ -0,0 +1,7 @@
+{
+  "trailingComma": "none",
+  "tabWidth": 2,
+  "semi": false,
+  "singleQuote": true,
+  "arrowParens": "avoid"
+}

Dockerfile.test

@@ -0,0 +1,24 @@
+# An easy way to run tests locally without Nodejs installed:
+#
+#     docker build -t sqliteviz/test -f Dockerfile.test .
+#
+
+FROM node:12.22-bullseye
+
+RUN set -ex; \
+    apt update; \
+    apt install -y chromium firefox-esr; \
+    npm install -g npm@7
+
+WORKDIR /tmp/build
+
+COPY package.json package-lock.json ./
+COPY lib lib
+RUN npm install
+
+COPY . .
+
+RUN set -ex; \
+    sed -i 's/browsers: \[.*\],/browsers: ['"'FirefoxHeadlessTouch'"'],/' karma.conf.js
+
+RUN npm run lint -- --no-fix && npm run test

README.md

@@ -4,22 +4,46 @@
 
 # sqliteviz
 
-**Note: This is a work-in-progress project.**
+Sqliteviz is a single-page offline-first PWA for fully client-side visualisation
+of SQLite databases, CSV, JSON or NDJSON files.
+
+With sqliteviz you can:
+
+- run SQL queries against a SQLite database and create [Plotly][11] charts and pivot tables based on the result sets
+- import a CSV/JSON/NDJSON file into a SQLite database and visualize imported data
+- export result set to CSV file
+- manage inquiries and run them against different databases
+- import/export inquiries from/to a JSON file
+- export a modified SQLite database
+- use it offline from your OS application menu like any other desktop app
+
+https://user-images.githubusercontent.com/24638357/128249848-f8fab0f5-9add-46e0-a9c1-dd5085a8623e.mp4
+
+## Quickstart
+
+The latest release of sqliteviz is deployed on [sqliteviz.com/app][6].
+
+## Wiki
+
+For user documentation, check out sqliteviz [documentation][7].
+
+## Motivation
 
-Sqliteviz is a single-page application for fully client-side visualisation of SQLite databases.
 It's a kind of middleground between [Plotly Falcon][1] and [Redash][2].
-It is built on top of [react-chart-editor][3] and [sql.js][4] in [Vue.js][5]. 
 
-## Features
+## Components
 
-1. Ad-hoc and prepared visualisation of a SQLite database using flexibility
-   of SQL and richness of Plotly's `react-chart-editor` 
-2. Visualisation pallete, SQL and chart definitions, kept in local
-   storage with import/export
-3. Integration-side provided pallete
+It is built on top of [react-chart-editor][3], [PivotTable.js][12], [sql.js][4] and [Vue-Codemirror][8] in [Vue.js][5]. CSV parsing is performed with [Papa Parse][9].
 
 [1]: https://github.com/plotly/falcon
 [2]: https://github.com/getredash/redash
 [3]: https://github.com/plotly/react-chart-editor
 [4]: https://github.com/sql-js/sql.js
 [5]: https://github.com/vuejs/vue
+[6]: https://sqliteviz.com/app/
+[7]: https://sqliteviz.com/docs
+[8]: https://github.com/surmon-china/vue-codemirror#readme
+[9]: https://www.papaparse.com/
+[10]: https://github.com/lana-k/sqliteviz/wiki/Predefined-queries
+[11]: https://github.com/plotly/plotly.js
+[12]: https://github.com/nicolaskruchten/pivottable

babel.config.js

@@ -1,5 +1,3 @@
 module.exports = {
-  presets: [
-    '@vue/cli-plugin-babel/preset'
-  ]
+  presets: ['@vue/cli-plugin-babel/preset']
 }

index.html

@@ -0,0 +1,98 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta name="viewport" content="width=device-width,initial-scale=1.0" />
+    <link rel="icon" href="favicon.png" />
+    <link rel="manifest" href="manifest.webmanifest" />
+    <title>sqliteviz</title>
+    <style>
+      #sqliteviz-loading-wrapper {
+        position: fixed;
+        width: 100%;
+        height: 100%;
+        left: 0;
+        top: 0;
+        background-color: white;
+      }
+
+      #sqliteviz-loading-text {
+        display: block;
+        position: absolute;
+        top: 50%;
+        left: 50%;
+        transform: translate(-50%, -50%);
+        color: #506784;
+        font-family: sans-serif;
+        font-size: 20px;
+      }
+
+      #sqliteviz-loading-wrapper svg {
+        display: block;
+        position: absolute;
+        left: 50%;
+        top: 50%;
+        transform: translate(-50%, -50%);
+      }
+
+      #sqliteviz-loading-wrapper circle {
+        position: absolute;
+        left: 0;
+        right: 0;
+        top: 0;
+        bottom: 0;
+        fill: none;
+        stroke-width: 5px;
+        stroke-linecap: round;
+        stroke: #119dff;
+      }
+
+      #sqliteviz-loading-wrapper circle.bg {
+        stroke: #c8d4e3;
+      }
+
+      #sqliteviz-loading-wrapper circle.front {
+        stroke-dasharray: 402px;
+        animation: sqliteviz-loading 2s linear 0s infinite;
+      }
+
+      @keyframes sqliteviz-loading {
+        0% {
+          stroke-dasharray: 100px 402px;
+          stroke-dashoffset: 0;
+        }
+        50% {
+          stroke-dasharray: 251px;
+          stroke-dashoffset: -251px;
+        }
+        100% {
+          stroke-dasharray: 100px 402px;
+          stroke-dashoffset: -502px;
+        }
+      }
+    </style>
+    <!-- head extention slot start -->
+    <!-- head extention slot end -->
+  </head>
+  <body>
+    <noscript>
+      <strong>
+        We're sorry but this app doesn't work properly without JavaScript
+        enabled. Please enable it to continue.
+      </strong>
+    </noscript>
+    <div id="app">
+      <div id="sqliteviz-loading-wrapper">
+        <div id="sqliteviz-loading-text">LOADING</div>
+        <svg height="170" width="170" viewBox="0 0 170 170">
+          <circle class="bg" cx="85" cy="85" r="80" />
+          <circle class="front" cx="85" cy="85" r="80" />
+        </svg>
+      </div>
+    </div>
+    <!-- extention slot start -->
+    <!-- extention slot end -->
+    <script type="module" src="/src/main.js"></script>
+  </body>
+</html>

jsconfig.json

@@ -0,0 +1,10 @@
+{
+  "include": ["src/**/*", "tests/**/*"],
+  "exclude": ["node_modules", "dist"],
+  "compilerOptions": {
+    "baseUrl": "./",
+    "paths": {
+      "@*": ["./src/*"]
+    }
+  }
+}

karma.conf.cjs

@@ -0,0 +1,122 @@
+module.exports = function (config) {
+  config.set({
+    vite: {
+      config: {
+        resolve: {
+          alias: {
+            vue: 'vue/dist/vue.esm-bundler.js'
+          }
+        },
+        server: {
+          preTransformRequests: false
+        }
+      },
+      coverage: {
+        enable: true,
+        include: 'src/*',
+        exclude: ['node_modules', 'src/components/svg/*'],
+        extension: ['.js', '.vue'],
+        requireEnv: false
+      }
+    },
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '',
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['mocha', 'sinon-chai', 'vite'],
+
+    // list of files / patterns to load in the browser
+    files: [
+      {
+        pattern: 'test.setup.js',
+        type: 'module',
+        watched: false,
+        served: false
+      },
+      {
+        pattern: 'tests/**/*.spec.js',
+        type: 'module',
+        watched: false,
+        served: false
+      },
+      {
+        pattern: 'src/assets/styles/*.css',
+        type: 'css',
+        watched: false,
+        served: false
+      }
+    ],
+
+    plugins: [
+      'karma-vite',
+      'karma-mocha',
+      'karma-sinon-chai',
+      'karma-firefox-launcher',
+      'karma-chrome-launcher',
+      'karma-spec-reporter',
+      'karma-coverage'
+    ],
+
+    // list of files / patterns to exclude
+    exclude: [],
+
+    // test results reporter to use
+    // possible values: 'dots', 'progress'
+    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
+    reporters: ['spec', 'coverage'],
+
+    coverageReporter: {
+      dir: 'coverage',
+      reporters: [{ type: 'lcov', subdir: '.' }, { type: 'text-summary' }]
+    },
+
+    // web server port
+    port: 9876,
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN ||
+    // config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: false,
+
+    customLaunchers: {
+      FirefoxHeadlessTouch: {
+        base: 'FirefoxHeadless',
+        prefs: {
+          'dom.w3c_touch_events.enabled': 1,
+          'dom.events.asyncClipboard.clipboardItem': true
+        }
+      }
+    },
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: ['ChromiumHeadless', 'FirefoxHeadlessTouch'],
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: true,
+
+    // Concurrency level
+    // how many browser should be started simultaneous
+    concurrency: 2,
+
+    client: {
+      captureConsole: true,
+      mocha: {
+        timeout: 7000
+      }
+    },
+    browserConsoleLogOptions: {
+      terminal: true,
+      level: ''
+    }
+  })
+  // Fix the timezone
+  process.env.TZ = 'Europe/Amsterdam'
+}

lib/sql-js/.dockerignore

@@ -0,0 +1,2 @@
+benchmark
+dist

lib/sql-js/Dockerfile

@@ -0,0 +1,9 @@
+FROM emscripten/emsdk:3.0.1
+
+WORKDIR /tmp/build
+
+COPY configure.py .
+RUN python3.8 configure.py
+
+COPY build.py .
+RUN python3.8 build.py

lib/sql-js/README.md

@@ -0,0 +1,108 @@
+# SQLite WebAssembly build
+
+This directory contains Docker-based build script, `make.sh`, that builds
+a custom version of [sql.js][1]. It allows sqliteviz to have more recent
+version of SQLite build with a number of useful extensions.
+
+`Makefile` from [sql.js][1] is rewritten as more comprehensible `configure.py`
+and `build.py` Python scripts that run in `emscripten/emsdk` Docker container.
+
+## Extension
+
+SQLite [amalgamation][2] extensions included:
+
+1. [FTS5][4] -- virtual table module that provides full-text search
+   functionality
+2. [FTS3/FTS4][15] -- older virtual table modules for full-text search
+3. [JSON1][16] -- scalar, aggregate and table-valued functions for managing JSON data
+
+SQLite [contribution extensions][17]:
+
+1. [extension-functions][18] -- mathematical and string extension functions for SQL queries.
+
+   Math: `acos`, `asin`, `atan`, `atn2`, `atan2`, `acosh`, `asinh`, `atanh`, `difference`,
+   `degrees`, `radians`, `cos`, `sin`, `tan`, `cot`, `cosh`, `sinh`, `tanh`, `coth`,
+   `exp`, `log`, `log10`, `power`, `sign`, `sqrt`, `square`, `ceil`, `floor`, `pi`.
+
+   String: `replicate`, `charindex`, `leftstr`, `rightstr`, `ltrim`, `rtrim`, `trim`,
+   `replace`, `reverse`, `proper`, `padl`, `padr`, `padc`, `strfilter`.
+
+   Aggregate: `stdev`, `variance`, `mode`, `median`, `lower_quartile`, `upper_quartile`.
+
+SQLite [miscellaneous extensions][3] included:
+
+1. `generate_series` table-valued [series function][6] ([series.c][7])
+2. `transitive_closure` virtual table for
+   [Querying Tree Structures in SQLite][11] ([closure.c][8])
+3. `uuid`, `uuid_str` and `uuid_blob` RFC-4122 UUID functions ([uuid.c][9])
+4. `regexp` (hence `REGEXP` operator) and `regexpi` functions ([regexp.c][10])
+5. `percentile` function ([percentile.c][13])
+6. `decimal`, `decimal_cmp`, `decimal_add`, `decimal_sub` and `decimal_mul` functions
+   ([decimal.c][14])
+
+SQLite 3rd party extensions included:
+
+1. [pivot_vtab][5] -- a pivot virtual table
+2. `pearson` correlation coefficient function extension from [sqlean][21]
+   (which is part of [squib][20])
+3. [sqlitelua][22] -- a virtual table `luafunctions` which allows to define custom scalar,
+   aggregate and table-valued functions in Lua
+
+To ease the step to have working clone locally, the build is committed into
+the repository.
+
+Examples of queries involving these extensions can be found in the test suite in
+[sqliteExtensions.spec.js][19].
+
+## Build method
+
+Basically it's extended amalgamation and `SQLITE_EXTRA_INIT` concisely
+described in [this message from SQLite Forum][12]:
+
+> Simply append it to the end of the amalgamation file. The real problem is
+> how you get the init function called. The easiest way (to me at any rate) is
+> to append a function (after the extensions you want to add are all appended)
+> that adds the init function for each extension to the auto extension list
+> for new connections, and set the pre-processor symbol SQLITE_EXTRA_INIT to
+> the name of this function. [...]
+>
+> An example `SQLITE_EXTRA_INIT` function looks like this:
+>
+> ```
+> int core_init(const char* dummy)
+> {
+>    int nErr = 0;
+>
+>    nErr += sqlite3_auto_extension((void*)sqlite3_autobusy_init);
+>    nErr += sqlite3_auto_extension((void*)sqlite3_ipaddress_init);
+>
+>    return nErr ? SQLITE_ERROR : SQLITE_OK;
+> }
+> ```
+>
+> so you would then define `SQLITE_EXTRA_INIT=core_init` when compiling the
+> amalgamation code and the extensions would thereafter be automatically
+> initialized on each connection.
+
+[1]: https://github.com/sql-js/sql.js
+[2]: https://sqlite.org/amalgamation.html
+[3]: https://sqlite.org/src/dir?ci=trunk&name=ext/misc
+[4]: https://sqlite.org/fts5.html
+[5]: https://github.com/jakethaw/pivot_vtab
+[6]: https://sqlite.org/series.html
+[7]: https://sqlite.org/src/file/ext/misc/series.c
+[8]: https://sqlite.org/src/file/ext/misc/closure.c
+[9]: https://sqlite.org/src/file/ext/misc/uuid.c
+[10]: https://sqlite.org/src/file/ext/misc/regexp.c
+[11]: https://charlesleifer.com/blog/querying-tree-structures-in-sqlite-using-python-and-the-transitive-closure-extension/
+[12]: https://sqlite.org/forum/forumpost/6ad7d4f4bebe5e06?raw
+[13]: https://sqlite.org/src/file/ext/misc/percentile.c
+[14]: https://sqlite.org/src/file/ext/misc/decimal.c
+[15]: https://sqlite.org/fts3.html
+[16]: https://sqlite.org/json1.html
+[17]: https://sqlite.org/contrib/
+[18]: https://sqlite.org/contrib//download/extension-functions.c?get=25
+[19]: https://github.com/lana-k/sqliteviz/blob/master/tests/lib/database/sqliteExtensions.spec.js
+[20]: https://github.com/mrwilson/squib/blob/master/pearson.c
+[21]: https://github.com/nalgeon/sqlean/blob/incubator/src/pearson.c
+[22]: https://github.com/kev82/sqlitelua

lib/sql-js/benchmark/.gitignore

@@ -0,0 +1,4 @@
+/lib/build-*
+/lib/dist
+/build-*-result.json
+/sample.csv

lib/sql-js/benchmark/Dockerfile

@@ -0,0 +1,17 @@
+FROM node:20.14-bookworm
+
+RUN set -ex; \
+    apt-get update; \
+    apt-get install -y firefox-esr; \
+    apt-get install -y chromium
+
+WORKDIR /tmp/build
+
+COPY package.json ./
+COPY lib/dist lib/dist
+COPY lib/package.json lib/package.json
+RUN npm install
+
+COPY . .
+
+CMD npm run benchmark

lib/sql-js/benchmark/README.md

@@ -0,0 +1,25 @@
+# SQLite WebAssembly build micro-benchmark
+
+This directory contains a micro-benchmark for evaluating SQLite WebAssembly
+builds performance on read and write SQL queries, run from `make.sh` script. If
+the script has permission to `nice` processes and [Procpath][1] is installed,
+e.g. it is run with `sudo -E env PATH=$PATH ./make.sh`, it'll `renice` all
+processes running inside the benchmark containers. It can also serve as a smoke
+test (e.g. for memory leaks).
+
+The benchmark operates on a set of SQLite WebAssembly builds expected in
+`lib/build-$NAME` directories each containing `sql-wasm.js` and
+`sql-wasm.wasm`. Then it creates a Docker image for each, and runs the
+benchmark in Firefox and Chromium using Karma in the container.
+
+After successful run, the benchmark produces the following per each build:
+
+- `build-$NAME-result.json`
+- `build-$NAME.sqlite` (if Procpath is installed)
+- `build-$NAME.svg` (if Procpath is installed)
+
+These files can be analysed using `result-analysis.ipynb` Jupyter notebook.
+The SVG is a chart with CPU and RSS usage of each test container (i.e. Chromium
+run, then Firefox run per container).
+
+[1]: https://pypi.org/project/Procpath/

lib/sql-js/benchmark/karma.conf.js

@@ -0,0 +1,57 @@
+module.exports = function (config) {
+  const timeout = 15 * 60 * 1000
+  config.set({
+    frameworks: ['mocha'],
+
+    files: [
+      'suite.js',
+      {
+        pattern: 'node_modules/sql.js/dist/sql-wasm.wasm',
+        served: true,
+        included: false
+      },
+      { pattern: 'sample.csv', served: true, included: false }
+    ],
+
+    reporters: ['progress', 'json-to-file'],
+
+    singleRun: true,
+
+    customLaunchers: {
+      ChromiumHeadlessNoSandbox: {
+        base: 'ChromiumHeadless',
+        flags: ['--no-sandbox']
+      }
+    },
+    browsers: ['ChromiumHeadlessNoSandbox', 'FirefoxHeadless'],
+    concurrency: 1,
+
+    browserDisconnectTimeout: timeout,
+    browserNoActivityTimeout: timeout,
+    captureTimeout: timeout,
+    browserSocketTimeout: timeout,
+    pingTimeout: timeout,
+    client: {
+      captureConsole: true,
+      mocha: { timeout: timeout }
+    },
+
+    logLevel: config.LOG_INFO,
+    browserConsoleLogOptions: { terminal: true, level: config.LOG_INFO },
+
+    preprocessors: { 'suite.js': ['webpack'] },
+    webpack: {
+      mode: 'development',
+      module: {
+        noParse: [__dirname + '/node_modules/benchmark/benchmark.js']
+      },
+      node: { fs: 'empty' }
+    },
+
+    proxies: {
+      '/sql-wasm.wasm': '/base/node_modules/sql.js/dist/sql-wasm.wasm'
+    },
+
+    jsonToFileReporter: { outputPath: '.', fileName: 'suite-result.json' }
+  })
+}

lib/sql-js/benchmark/lib/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "sql.js",
+  "main": "./dist/sql-wasm.js",
+  "private": true
+}

lib/sql-js/benchmark/make.sh

@@ -0,0 +1,47 @@
+#!/bin/bash -e
+
+cleanup () {
+  rm -rf lib/dist "$renice_flag_file"
+  docker rm -f sqljs-benchmark-run 2> /dev/null || true
+}
+trap cleanup EXIT
+
+if [ ! -f sample.csv ]; then
+  wget --header="accept-encoding: gzip" -q -O- \
+    https://github.com/plotly/datasets/raw/547090bd/wellspublic.csv \
+    | gunzip -c > sample.csv
+fi
+
+PLAYBOOK=procpath/karma_docker.procpath
+
+# for renice to work run like "sudo -E env PATH=$PATH ./make.sh"
+test_ni=$(nice -n -5 nice)
+if [ $test_ni == -5 ]; then
+  renice_flag_file=$(mktemp)
+fi
+{
+  while [ -f $renice_flag_file ]; do
+    procpath --logging-level ERROR play -f $PLAYBOOK renice:watch
+  done
+} &
+
+shopt -s nullglob
+for d in lib/build-* ; do
+  rm -rf lib/dist
+  cp -r $d lib/dist
+  sample_name=$(basename $d)
+
+  docker build -t sqliteviz/sqljs-benchmark .
+  docker rm sqljs-benchmark-run 2> /dev/null || true
+  docker run -d -it --cpus 2 --name sqljs-benchmark-run sqliteviz/sqljs-benchmark
+  {
+    rm -f ${sample_name}.sqlite
+    procpath play -f $PLAYBOOK -o database_file=${sample_name}.sqlite track:record
+    procpath play -f $PLAYBOOK -o database_file=${sample_name}.sqlite \
+      -o plot_file=${sample_name}.svg track:plot
+  } &
+
+  docker attach sqljs-benchmark-run
+  docker cp sqljs-benchmark-run:/tmp/build/suite-result.json ${sample_name}-result.json
+  docker rm sqljs-benchmark-run
+done

lib/sql-js/benchmark/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "sqlite-webassembly-microbenchmark",
+  "private": true,
+  "dependencies": {
+    "@babel/core": "^7.14.8",
+    "babel-loader": "^8.2.2",
+    "benchmark": "^2.1.4",
+    "lodash": "^4.17.4",
+    "papaparse": "^5.3.1",
+    "mocha": "^9.0.3",
+    "karma": "^6.3.4",
+    "karma-chrome-launcher": "^3.1.0",
+    "karma-firefox-launcher": "^2.1.1",
+    "karma-json-to-file-reporter": "^1.0.1",
+    "karma-mocha": "^2.0.1",
+    "karma-webpack": "^4.0.2",
+    "webpack": "^4.46.0",
+    "sql.js": "file:./lib"
+  },
+  "scripts": {
+    "benchmark": "karma start karma.conf.js"
+  }
+}

lib/sql-js/benchmark/procpath/karma_docker.procpath

@@ -0,0 +1,28 @@
+# This command may run when "sqljs-benchmark-run" does not yet exist or run
+[renice:watch]
+interval: 2
+repeat: 30
+environment:
+  ROOT_PID=docker inspect -f "{{.State.Pid}}" sqljs-benchmark-run 2> /dev/null || true
+query:
+  PIDS=$..children[?(@.stat.pid in [$ROOT_PID])]..pid
+command:
+  echo $PIDS | tr , '\n' | xargs --no-run-if-empty -I{} -- renice -n -5 -p {}
+
+# Expected input arguments: database_file
+[track:record]
+interval: 1
+stop_without_result: 1
+environment:
+  ROOT_PID=docker inspect -f "{{.State.Pid}}" sqljs-benchmark-run
+query:
+  $..children[?(@.stat.pid == $ROOT_PID)]
+pid_list: $ROOT_PID
+
+# Expected input arguments: database_file, plot_file
+[track:plot]
+moving_average_window: 5
+title: Chromium vs Firefox (№1 RSS, №2 CPU)
+custom_query_file:
+  procpath/top2_rss.sql
+  procpath/top2_cpu.sql

lib/sql-js/benchmark/procpath/top2_cpu.sql

@@ -0,0 +1,29 @@
+WITH diff_all AS (
+    SELECT
+        record_id,
+        ts,
+        stat_pid,
+        stat_utime + stat_stime - LAG(stat_utime + stat_stime) OVER (
+            PARTITION BY stat_pid
+            ORDER BY record_id
+        ) tick_diff,
+        ts - LAG(ts) OVER (
+            PARTITION BY stat_pid
+            ORDER BY record_id
+        ) ts_diff
+    FROM record
+), diff AS (
+    SELECT * FROM diff_all WHERE tick_diff IS NOT NULL
+), one_time_pid_condition AS (
+    SELECT stat_pid
+    FROM record
+    GROUP BY 1
+    ORDER BY SUM(stat_utime + stat_stime) DESC
+    LIMIT 2
+)
+SELECT
+    ts,
+    stat_pid pid,
+    100.0 * tick_diff / (SELECT value FROM meta WHERE key = 'clock_ticks') / ts_diff value
+FROM diff
+JOIN one_time_pid_condition USING(stat_pid)

lib/sql-js/benchmark/procpath/top2_rss.sql

@@ -0,0 +1,13 @@
+WITH one_time_pid_condition AS (
+    SELECT stat_pid
+    FROM record
+    GROUP BY 1
+    ORDER BY SUM(stat_rss) DESC
+    LIMIT 2
+)
+SELECT
+    ts,
+    stat_pid pid,
+    stat_rss / 1024.0 / 1024 * (SELECT value FROM meta WHERE key = 'page_size') value
+FROM record
+JOIN one_time_pid_condition USING(stat_pid)

lib/sql-js/benchmark/result-analysis.ipynb

@@ -0,0 +1,218 @@
+{
+  "cells": [
+    {
+      "cell_type": "code",
+      "source": [
+        "import json\n",
+        "from pathlib import Path\n",
+        "\n",
+        "import pandas\n",
+        "from IPython.display import display, IFrame, Markdown\n",
+        "from plotly import express"
+      ],
+      "outputs": [],
+      "execution_count": null,
+      "metadata": {
+        "collapsed": false,
+        "outputHidden": false,
+        "inputHidden": true
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "render_format = 'svg'\n",
+        "benchmark_path = Path()\n",
+        "df_dict = {}\n",
+        "stat_dict = {}\n",
+        "for p in benchmark_path.glob('build-*-result.json'):\n",
+        "    build_name = p.stem.split('-', 2)[1]\n",
+        "    for browser_data in json.loads(p.read_text()):\n",
+        "        browser_name = f'{browser_data[\"browser\"][\"name\"]} {browser_data[\"browser\"][\"major\"]}'\n",
+        "        browser_name = browser_name.lower().replace('chrome headless', 'chromium')\n",
+        "        for result in (r for i, r in browser_data['result'].items() if i.isdigit()):\n",
+        "            key = build_name, browser_name, result['name']\n",
+        "            df_dict[key] = result['stats']['sample']\n",
+        "            stat_dict[key] = result['stats']\n",
+        "\n",
+        "min_sample_size = min(len(v) for v in df_dict.values())\n",
+        "df_dict = {k: v[:min_sample_size] for k, v in df_dict.items()}\n",
+        "            \n",
+        "wide_df = pandas.DataFrame(df_dict).reset_index()\n",
+        "df = pandas.melt(\n",
+        "    wide_df, \n",
+        "    id_vars='index', \n",
+        "    var_name=['build', 'browser', 'test'], \n",
+        "    value_name='duration',\n",
+        ")\n",
+        "df = df.rename(columns={'index': 'run'})\n",
+        "df.sort_values(['build', 'run'], inplace=True)"
+      ],
+      "outputs": [],
+      "execution_count": null,
+      "metadata": {
+        "inputHidden": true,
+        "outputExpanded": false
+      }
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "# sql.js build comparison\n",
+        "\n",
+        "<style>\n",
+        "@page {\n",
+        "  size: 215mm 297mm;\n",
+        "  margin: 0;\n",
+        "}\n",
+        "</style>"
+      ],
+      "metadata": {}
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "!du -b lib | head -n 2"
+      ],
+      "outputs": [],
+      "execution_count": null,
+      "metadata": {
+        "collapsed": false,
+        "outputHidden": false,
+        "inputHidden": true
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "stat_df = pandas.DataFrame(stat_dict)\n",
+        "stat_df = stat_df.loc[['mean', 'rme']].transpose()\n",
+        "stat_df.index = stat_df.index.set_names(['build', 'browser', 'test'])\n",
+        "stat_df = stat_df.reset_index().sort_values(['test', 'browser'], ascending=False)\n",
+        "for index, row in stat_df.iterrows():\n",
+        "    print('\\t'.join([\n",
+        "        row['build'],\n",
+        "        row['browser'],\n",
+        "        row['test'],\n",
+        "        f'{row[\"mean\"]:.2f} s ± {row[\"rme\"]:.1f}%'\n",
+        "    ]))"
+      ],
+      "outputs": [],
+      "execution_count": null,
+      "metadata": {
+        "inputHidden": true,
+        "outputExpanded": false
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "fig = express.box(df, x='browser', y='duration', points='all', color='build', facet_row='test')\n",
+        "fig.update_yaxes(matches=None)\n",
+        "fig.show(render_format)"
+      ],
+      "outputs": [],
+      "execution_count": null,
+      "metadata": {
+        "inputHidden": true,
+        "outputExpanded": false
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "fig = express.line(\n",
+        "    df, x='run', y='duration', color='build', facet_col='browser', facet_row='test'\n",
+        ")\n",
+        "fig.update_yaxes(matches=None)\n",
+        "fig.show(render_format)"
+      ],
+      "outputs": [],
+      "execution_count": null,
+      "metadata": {
+        "inputHidden": true,
+        "outputExpanded": false
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "plot_df = df.groupby(['browser', 'build', 'test'])['duration'].mean().reset_index()\n",
+        "plot_df['pct'] = (\n",
+        "    plot_df\n",
+        "    .groupby(['browser', 'test'])['duration']\n",
+        "    .pct_change()\n",
+        "    .fillna('')\n",
+        "    .map(lambda v: '{:.2%}'.format(v) if v else v)\n",
+        ")\n",
+        "fig = express.bar(\n",
+        "    plot_df, \n",
+        "    x='browser', \n",
+        "    y='duration', \n",
+        "    color='build', \n",
+        "    text='pct', \n",
+        "    barmode='overlay', \n",
+        "    facet_row='test',\n",
+        ")\n",
+        "fig.update_yaxes(matches=None)\n",
+        "fig.show(render_format)"
+      ],
+      "outputs": [],
+      "execution_count": null,
+      "metadata": {
+        "inputHidden": true,
+        "outputExpanded": false
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "for p in sorted(benchmark_path.glob('build-*.svg')):\n",
+        "    display(Markdown(p.stem))\n",
+        "    display(IFrame(p, 640, 480))"
+      ],
+      "outputs": [],
+      "execution_count": null,
+      "metadata": {
+        "collapsed": false,
+        "outputHidden": false,
+        "inputHidden": true,
+        "outputExpanded": false
+      }
+    }
+  ],
+  "metadata": {
+    "kernelspec": {
+      "name": "stats",
+      "language": "python",
+      "display_name": "Stats (Python 3.10)"
+    },
+    "language_info": {
+      "name": "python",
+      "version": "3.10.14",
+      "mimetype": "text/x-python",
+      "codemirror_mode": {
+        "name": "ipython",
+        "version": 3
+      },
+      "pygments_lexer": "ipython3",
+      "nbconvert_exporter": "python",
+      "file_extension": ".py"
+    },
+    "widgets": {
+      "application/vnd.jupyter.widget-state+json": {
+        "state": {},
+        "version_major": 2,
+        "version_minor": 0
+      }
+    },
+    "kernel_info": {
+      "name": "stats"
+    },
+    "nteract": {
+      "version": "0.14.5"
+    }
+  },
+  "nbformat": 4,
+  "nbformat_minor": 5
+}

lib/sql-js/benchmark/suite.js

@@ -0,0 +1,137 @@
+import benchmark from 'benchmark'
+import initSqlJs from 'sql.js'
+import lodash from 'lodash'
+import Papa from 'papaparse'
+import useragent from 'ua-parser-js'
+
+describe('SQLite build benchmark', function () {
+  let parsedCsv
+  let sqlModule
+  let selectDb
+
+  before(async function () {
+    parsedCsv = await parseCsv('http://localhost:9876/base/sample.csv')
+    sqlModule = await initSqlJs()
+
+    selectDb = new sqlModule.Database()
+    importToTable(selectDb, parsedCsv)
+  })
+
+  function benchmarkImport() {
+    const db = new sqlModule.Database()
+    try {
+      importToTable(db, parsedCsv)
+    } finally {
+      db.close()
+    }
+  }
+
+  function benchmarkSelect() {
+    const result = selectDb.exec(`
+      SELECT county, AVG(avg_depth) avg_depth_c
+      FROM (
+        SELECT s.county, s.town, COUNT(*) cnt, AVG(s.DrilledDepth) avg_depth
+        FROM csv_import s
+        JOIN csv_import USING(hole)
+        WHERE s.town IS NOT NULL
+        GROUP BY 1, 2
+        ORDER BY 4 DESC
+      )
+      GROUP BY 1
+      ORDER BY 2 DESC
+    `)
+    console.assert(result.values.length == 56, 'Unexpected size of result set')
+  }
+
+  it('run', async function () {
+    const suite = createSuite()
+    suite.add('import', { initCount: 3, minSamples: 50, fn: benchmarkImport })
+    suite.add('select', { initCount: 3, minSamples: 50, fn: benchmarkSelect })
+    await run(suite)
+  })
+})
+
+function importToTable(db, parsedCsv, chunkSize = 1024) {
+  const columnListString = parsedCsv.meta.fields.join(', ')
+  db.exec(`CREATE TABLE csv_import(${columnListString})`)
+
+  const params = parsedCsv.meta.fields.map(name => '?').join(', ')
+  const insertStmt = db.prepare(`INSERT INTO csv_import VALUES(${params})`)
+  chunkArray(parsedCsv.data, chunkSize).map(function (chunk) {
+    db.exec('BEGIN')
+    chunk.map(row => insertStmt.run(Object.values(row)))
+    db.exec('COMMIT')
+  })
+}
+
+class PromiseWrapper {
+  constructor() {
+    this.promise = new Promise((resolve, reject) => {
+      this.reject = reject
+      this.resolve = resolve
+    })
+  }
+}
+
+function parseCsv(url) {
+  return new Promise((resolve, reject) => {
+    Papa.parse(url, {
+      header: true,
+      download: true,
+      skipEmptyLines: 'greedy',
+      complete: results => resolve(results),
+      error: (error, file) => reject(error)
+    })
+  })
+}
+
+function chunkArray(arr, size) {
+  return arr.reduce(function (result, value, index) {
+    const chunkIndex = Math.floor(index / size)
+
+    if (!(chunkIndex in result)) {
+      result[chunkIndex] = []
+    }
+    result[chunkIndex].push(value)
+
+    return result
+  }, [])
+}
+
+function createSuite() {
+  // Combined workaround from:
+  // - https://github.com/bestiejs/benchmark.js/issues/106
+  // - https://github.com/bestiejs/benchmark.js/issues/237
+
+  // Benchmark could not pick up lodash otherwise
+  const bm = benchmark.runInContext({ _: lodash })
+  // Avoid `ReferenceError: Benchmark is not defined` error because Benchmark is assumed
+  // to be in window
+  window.Benchmark = bm
+
+  return new bm.Suite()
+}
+
+function run(suite) {
+  const suiteResult = new PromiseWrapper()
+  suite
+    .on('cycle', function (event) {
+      console.info(String(event.target))
+    })
+    .on('complete', function () {
+      console.log(
+        JSON.stringify({
+          browser: useragent(navigator.userAgent).browser,
+          result: this.filter('successful')
+        })
+      )
+      suiteResult.resolve()
+    })
+    .on('error', function (event) {
+      console.error('Benchmark failed', String(event.target))
+      suiteResult.reject()
+    })
+    .run({ async: true })
+
+  return suiteResult.promise
+}

lib/sql-js/build.py

@@ -0,0 +1,99 @@
+import logging
+import subprocess
+from pathlib import Path
+
+# See the setting descriptions on these pages:
+# - https://emscripten.org/docs/optimizing/Optimizing-Code.html
+# - https://github.com/emscripten-core/emscripten/blob/main/src/settings.js
+cflags = (
+    # SQLite configuration
+    '-DSQLITE_DEFAULT_CACHE_SIZE=-65536',  # 64 MiB
+    '-DSQLITE_DEFAULT_MEMSTATUS=0',
+    '-DSQLITE_DEFAULT_SYNCHRONOUS=0',
+    '-DSQLITE_DISABLE_LFS',
+    '-DSQLITE_DQS=0',
+    '-DSQLITE_ENABLE_FTS3',
+    '-DSQLITE_ENABLE_FTS3_PARENTHESIS',
+    '-DSQLITE_ENABLE_FTS5',
+    '-DSQLITE_ENABLE_NORMALIZE',
+    '-DSQLITE_EXTRA_INIT=extra_init',
+    '-DSQLITE_OMIT_DEPRECATED',
+    '-DSQLITE_OMIT_LOAD_EXTENSION',
+    '-DSQLITE_OMIT_SHARED_CACHE',
+    '-DSQLITE_THREADSAFE=0',
+    # Compile-time optimisation
+    '-Os',  # reduces the code size about in half comparing to -O2
+    '-flto',
+    '-Isrc', '-Isrc/lua',
+)
+emflags = (
+    # Base
+    '--memory-init-file', '0',
+    '-s', 'ALLOW_TABLE_GROWTH=1',
+    # WASM
+    '-s', 'WASM=1',
+    '-s', 'ALLOW_MEMORY_GROWTH=1',
+    '-s', 'ENVIRONMENT=web,worker',
+    # Link-time optimisation
+    '-Os',
+    '-flto',
+    # sql.js
+    '-s', 'EXPORTED_FUNCTIONS=@src/sqljs/exported_functions.json',
+    '-s', 'EXPORTED_RUNTIME_METHODS=@src/sqljs/exported_runtime_methods.json',
+    '--pre-js', 'src/sqljs/api.js',
+)
+
+
+def build(src: Path, dst: Path):
+    out = Path('out')
+    out.mkdir()
+
+    logging.info('Building LLVM bitcode for sqlite3.c')
+    subprocess.check_call([
+        'emcc',
+        *cflags,
+        '-c', src / 'sqlite3.c',
+        '-o', out / 'sqlite3.o',
+    ])
+    logging.info('Building LLVM bitcode for extension-functions.c')
+    subprocess.check_call([
+        'emcc',
+        *cflags,
+        '-c', src / 'extension-functions.c',
+        '-o', out / 'extension-functions.o',
+    ])
+    logging.info('Building LLVM bitcode for SQLite Lua extension')
+    subprocess.check_call([
+        'emcc',
+        *cflags,
+        '-shared',
+        *(src / 'lua').glob('*.c'),
+        *(src / 'sqlitelua').glob('*.c'),
+        '-o', out / 'sqlitelua.o',
+    ])
+
+    logging.info('Building WASM from bitcode')
+    subprocess.check_call([
+        'emcc',
+        *emflags,
+        out / 'sqlite3.o',
+        out / 'extension-functions.o',
+        out / 'sqlitelua.o',
+        '-o', out / 'sql-wasm.js',
+    ])
+
+    logging.info('Post-processing build and copying to dist')
+    (out / 'sql-wasm.wasm').rename(dst / 'sql-wasm.wasm')
+    with (dst / 'sql-wasm.js').open('w') as f:
+        f.write((src / 'sqljs' / 'shell-pre.js').read_text())
+        f.write((out / 'sql-wasm.js').read_text())
+        f.write((src / 'sqljs' / 'shell-post.js').read_text())
+
+
+if __name__ == '__main__':
+    logging.basicConfig(level='INFO', format='%(asctime)s %(levelname)s %(name)s %(message)s')
+
+    src = Path('src')
+    dst = Path('dist')
+    dst.mkdir()
+    build(src, dst)

lib/sql-js/configure.py

@@ -0,0 +1,150 @@
+import logging
+import re
+import shutil
+import subprocess
+import sys
+import tarfile
+import zipfile
+from io import BytesIO
+from pathlib import Path
+from urllib import request
+
+
+amalgamation_url = 'https://sqlite.org/2025/sqlite-amalgamation-3500300.zip'
+
+# Extension-functions
+# ===================
+# It breaks amalgamation if appended as other extension because it redefines
+# several functions, so build it separately. Note that sql.js registers these
+# extension functions by calling ``registerExtensionFunctions`` itself.
+contrib_functions_url = 'https://sqlite.org/contrib/download/extension-functions.c?get=25'
+
+extension_urls = (
+    # Miscellaneous extensions
+    # ========================
+    ('https://sqlite.org/src/raw/e212edb2?at=series.c', 'sqlite3_series_init'),
+    ('https://sqlite.org/src/raw/5559daf1?at=closure.c', 'sqlite3_closure_init'),
+    ('https://sqlite.org/src/raw/5bb2264c?at=uuid.c', 'sqlite3_uuid_init'),
+    ('https://sqlite.org/src/raw/388e7f23?at=regexp.c', 'sqlite3_regexp_init'),
+    ('https://sqlite.org/src/raw/72e05a21?at=percentile.c', 'sqlite3_percentile_init'),
+    ('https://sqlite.org/src/raw/228d47e9?at=decimal.c', 'sqlite3_decimal_init'),
+    # Third-party extension
+    # =====================
+    ('https://github.com/jakethaw/pivot_vtab/raw/e7705f34/pivot_vtab.c', 'sqlite3_pivotvtab_init'),
+    ('https://github.com/nalgeon/sqlean/raw/95e8d21a/src/pearson.c', 'sqlite3_pearson_init'),
+    # Third-party extension with own dependencies
+    # ===========================================
+    ('https://github.com/kev82/sqlitelua/raw/db479510/src/main.c', 'sqlite3_luafunctions_init'),
+)
+
+lua_url = 'http://www.lua.org/ftp/lua-5.3.5.tar.gz'
+sqlitelua_url = 'https://github.com/kev82/sqlitelua/archive/db479510.zip'
+
+sqljs_url = 'https://github.com/sql-js/sql.js/archive/refs/tags/v1.7.0.zip'
+
+
+def _generate_extra_init_c_function(init_function_names):
+    auto_ext_calls = '\n'.join([
+        'nErr += sqlite3_auto_extension((void*){});'.format(init_fn)
+        for init_fn in init_function_names
+    ])
+    return '''
+        int extra_init(const char* dummy)
+        {
+            int nErr = 0;
+            %s
+            return nErr ? SQLITE_ERROR : SQLITE_OK;
+        }
+    ''' % auto_ext_calls
+
+
+def _get_amalgamation(tgt: Path):
+    logging.info('Downloading and extracting SQLite amalgamation %s', amalgamation_url)
+    archive = zipfile.ZipFile(BytesIO(request.urlopen(amalgamation_url).read()))
+    archive_root_dir = zipfile.Path(archive, archive.namelist()[0])
+    for zpath in archive_root_dir.iterdir():
+        with zpath.open() as fr, (tgt / zpath.name).open('wb') as fw:
+            shutil.copyfileobj(fr, fw)
+
+
+def _get_lua(tgt: Path):
+    # Library definitions from lua/Makefile
+    lib_str = '''
+        CORE_O=    lapi.o lcode.o lctype.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o \
+            lmem.o lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o \
+            ltm.o lundump.o lvm.o lzio.o
+        LIB_O=    lauxlib.o lbaselib.o lbitlib.o lcorolib.o ldblib.o liolib.o \
+            lmathlib.o loslib.o lstrlib.o ltablib.o lutf8lib.o loadlib.o linit.o
+        LUA_O=    lua.o
+    '''
+    header_only_files = {'lprefix', 'luaconf', 'llimits', 'lualib'}
+    lib_names = set(re.findall(r'(\w+)\.o', lib_str)) | header_only_files
+
+    logging.info('Downloading and extracting Lua %s', lua_url)
+    archive = tarfile.open(fileobj=BytesIO(request.urlopen(lua_url).read()))
+    (tgt / 'lua').mkdir()
+    for tarinfo in archive:
+        tarpath = Path(tarinfo.name)
+        if tarpath.match('src/*') and tarpath.stem in lib_names:
+            with (tgt / 'lua' / tarpath.name).open('wb') as fw:
+                shutil.copyfileobj(archive.extractfile(tarinfo), fw)
+
+    logging.info('Downloading and extracting SQLite Lua extension %s', sqlitelua_url)
+    archive = zipfile.ZipFile(BytesIO(request.urlopen(sqlitelua_url).read()))
+    archive_root_dir = zipfile.Path(archive, archive.namelist()[0])
+    (tgt / 'sqlitelua').mkdir()
+    for zpath in (archive_root_dir / 'src').iterdir():
+        if zpath.name != 'main.c':
+            with zpath.open() as fr, (tgt / 'sqlitelua' / zpath.name).open('wb') as fw:
+                shutil.copyfileobj(fr, fw)
+
+
+def _get_contrib_functions(tgt: Path):
+    request.urlretrieve(contrib_functions_url, tgt / 'extension-functions.c')
+
+
+def _get_extensions(tgt: Path):
+    init_functions = []
+    sqlite3_c = tgt / 'sqlite3.c'
+    with sqlite3_c.open('ab') as f:
+        for url, init_fn in extension_urls:
+            logging.info('Downloading and appending to amalgamation %s', url)
+            with request.urlopen(url) as resp:
+                f.write(b'\n')
+                shutil.copyfileobj(resp, f)
+            init_functions.append(init_fn)
+
+        logging.info('Appending SQLITE_EXTRA_INIT to amalgamation')
+        f.write(_generate_extra_init_c_function(init_functions).encode())
+
+
+def _get_sqljs(tgt: Path):
+    logging.info('Downloading and extracting sql.js %s', sqljs_url)
+    archive = zipfile.ZipFile(BytesIO(request.urlopen(sqljs_url).read()))
+    archive_root_dir = zipfile.Path(archive, archive.namelist()[0])
+    (tgt / 'sqljs').mkdir()
+    for zpath in (archive_root_dir / 'src').iterdir():
+        with zpath.open() as fr, (tgt / 'sqljs' / zpath.name).open('wb') as fw:
+            shutil.copyfileobj(fr, fw)
+
+
+def configure(tgt: Path):
+    _get_amalgamation(tgt)
+    _get_contrib_functions(tgt)
+    _get_lua(tgt)
+    _get_extensions(tgt)
+    _get_sqljs(tgt)
+
+    subprocess.check_call(['emcc', '--version'])
+
+
+if __name__ == '__main__':
+    if sys.version_info < (3, 8):
+        print('Python 3.8 or higher is expected', file=sys.stderr)
+        sys.exit(1)
+
+    logging.basicConfig(level='INFO', format='%(asctime)s %(levelname)s %(name)s %(message)s')
+
+    src = Path('src')
+    src.mkdir()
+    configure(src)

lib/sql-js/make.sh

@@ -0,0 +1,9 @@
+#!/bin/bash -e
+
+docker build -t sqliteviz/sqljs .
+
+rm -r dist || true
+
+CONTAINER=$(docker create sqliteviz/sqljs)
+docker cp $CONTAINER:/tmp/build/dist .
+docker rm $CONTAINER

lib/sql-js/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "sql.js",
+  "main": "./dist/sql-wasm.js",
+  "private": true
+}

package.json

@@ -1,50 +1,79 @@
 {
   "name": "sqliteviz",
-  "version": "0.6.0",
-  "license" : "Apache-2.0",
+  "version": "0.27.0",
+  "license": "Apache-2.0",
   "private": true,
+  "type": "module",
   "scripts": {
-    "serve": "vue-cli-service serve",
-    "build": "NODE_OPTIONS=--max_old_space_size=4096 vue-cli-service build",
-    "test:unit": "vue-cli-service test:unit",
-    "lint": "vue-cli-service lint"
+    "dev": "vite",
+    "build": "vite build",
+    "serve": "vite preview",
+    "test": "karma start karma.conf.cjs",
+    "lint": "eslint --ext .js,.vue --ignore-path .gitignore --fix src",
+    "format": "prettier .  --write"
   },
   "dependencies": {
-    "codemirror": "^5.57.0",
+    "buffer": "^6.0.3",
+    "codemirror": "^5.65.18",
+    "codemirror-editor-vue3": "^2.8.0",
     "core-js": "^3.6.5",
-    "debounce": "^1.2.0",
+    "dataurl-to-blob": "^0.0.1",
+    "html2canvas": "^1.1.4",
+    "jquery": "^3.6.0",
     "nanoid": "^3.1.12",
-    "plotly.js": "^1.57.1",
-    "react": "^16.13.1",
-    "react-chart-editor": "^0.42.0",
-    "react-dom": "^16.13.1",
-    "sql.js": "^1.3.0",
-    "sqlite-parser": "^1.0.1",
-    "vue": "^2.6.11",
-    "vue-codemirror": "^4.0.6",
-    "vue-js-modal": "^2.0.0-rc.6",
-    "vue-router": "^3.2.0",
-    "vuejs-paginate": "^2.1.0",
-    "vuera": "^0.2.7",
-    "vuex": "^3.4.0"
+    "papaparse": "^5.4.1",
+    "pivottable": "^2.23.0",
+    "plotly.js": "^2.35.2",
+    "promise-worker": "^2.0.1",
+    "react": "^16.14.0",
+    "react-chart-editor": "^0.46.1",
+    "react-dom": "^16.14.0",
+    "sql.js": "file:./lib/sql-js",
+    "tiny-emitter": "^2.1.0",
+    "veaury": "^2.5.1",
+    "vue": "^3.5.11",
+    "vue-final-modal": "^4.5.5",
+    "vue-multiselect": "^3.0.0-beta.3",
+    "vue-router": "^4.4.5",
+    "vuejs-paginate-next": "^1.0.2",
+    "vuex": "^4.1.0"
   },
   "devDependencies": {
-    "@vue/cli-plugin-babel": "^4.4.0",
-    "@vue/cli-plugin-eslint": "^4.4.0",
-    "@vue/cli-plugin-router": "^4.4.0",
-    "@vue/cli-plugin-unit-mocha": "^4.4.0",
-    "@vue/cli-plugin-vuex": "^4.4.0",
-    "@vue/cli-service": "^4.4.0",
-    "@vue/eslint-config-standard": "^5.1.2",
-    "@vue/test-utils": "^1.0.3",
-    "babel-eslint": "^10.1.0",
+    "@babel/core": "^7.25.7",
+    "@vitejs/plugin-vue": "^5.2.1",
+    "@vue/eslint-config-standard": "^8.0.1",
+    "@vue/test-utils": "^2.4.6",
     "chai": "^4.1.2",
-    "eslint": "^6.7.2",
+    "chai-as-promised": "^8.0.1",
+    "eslint": "^8.57.1",
+    "eslint-config-prettier": "^10.1.1",
     "eslint-plugin-import": "^2.20.2",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-standard": "^4.0.0",
-    "eslint-plugin-vue": "^6.2.2",
-    "vue-template-compiler": "^2.6.11"
+    "eslint-plugin-vue": "^9.28.0",
+    "flush-promises": "^1.0.2",
+    "karma": "^6.4.4",
+    "karma-coverage": "^2.2.1",
+    "karma-coverage-istanbul-reporter": "^3.0.3",
+    "karma-firefox-launcher": "^2.1.3",
+    "karma-mocha": "^1.3.0",
+    "karma-spec-reporter": "^0.0.36",
+    "karma-vite": "^1.0.5",
+    "mocha": "^5.2.0",
+    "prettier": "3.5.3",
+    "process": "^0.11.10",
+    "url-loader": "^4.1.1",
+    "vite": "^5.4.14",
+    "vite-plugin-istanbul": "^5.0.0",
+    "vite-plugin-node-polyfills": "^0.23.0",
+    "vite-plugin-pwa": "^0.21.1",
+    "vite-plugin-static-copy": "^2.2.0",
+    "vue-cli-plugin-ui-karma": "^0.2.5"
+  },
+  "overrides": {
+    "karma-vite": {
+      "vite-plugin-istanbul": "$vite-plugin-istanbul"
+    }
   }
 }

public/index.html

@@ -1,17 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="utf-8">
-    <meta http-equiv="X-UA-Compatible" content="IE=edge">
-    <meta name="viewport" content="width=device-width,initial-scale=1.0">
-    <link rel="icon" href="<%= BASE_URL %>favicon.png">
-    <title><%= htmlWebpackPlugin.options.title %></title>
-  </head>
-  <body>
-    <noscript>
-      <strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
-    </noscript>
-    <div id="app"></div>
-    <!-- built files will be auto injected -->
-  </body>
-</html>

public/inquiries.json

@@ -0,0 +1 @@
+[]

public/manifest.webmanifest

@@ -0,0 +1,30 @@
+{
+  "background_color": "white",
+  "description": "Sqliteviz is a single-page application for fully client-side visualisation of SQLite databases, CSV, JSON or NDJSON.",
+  "display": "fullscreen",
+  "icons": [
+    {
+      "src": "favicon.png",
+      "sizes": "32x32",
+      "type": "image/png"
+    },
+    {
+      "src": "Logo48x48.png",
+      "sizes": "48x48",
+      "type": "image/png"
+    },
+    {
+      "src": "Logo192x192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "Logo512x512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ],
+  "name": "sqliteviz",
+  "short_name": "sqliteviz",
+  "start_url": "index.html"
+}

public/queries.json

@@ -1,47 +0,0 @@
-{
-    "query": "select * from invoices",
-    "chart": {
-        "data": [
-            {
-                "type": "scatter",
-                "mode": "lines",
-                "x": null,
-                "xsrc": "InvoiceId",
-                "meta": {
-                    "columnNames": {
-                        "x": "InvoiceId",
-                        "y": "Total"
-                    }
-                },
-                "y": null,
-                "ysrc": "Total"
-            }
-        ],
-        "layout": {
-            "xaxis": {
-                "range": [
-                    1,
-                    412
-                ],
-                "autorange": true,
-                "type": "linear"
-            },
-            "yaxis": {
-                "range": [
-                    -0.39166666666666683,
-                    27.241666666666667
-                ],
-                "autorange": true,
-                "type": "linear"
-            },
-            "autosize": true,
-            "mapbox": {
-                "style": "open-street-map"
-            }
-        },
-        "frames": []
-    },
-    "name": "Invoices",
-    "id": "ieZfcITwDUTADwOmQlYyL",
-    "createdAt": "2020-11-03T14:17:49.524Z"
-}

src/App.vue

@@ -1,16 +1,95 @@
 <template>
   <div id="app">
-    <router-view/>
+    <router-view />
   </div>
 </template>
 
+<script>
+import storedInquiries from '@/lib/storedInquiries'
+
+export default {
+  computed: {
+    inquiries() {
+      return this.$store.state.inquiries
+    }
+  },
+  watch: {
+    inquiries: {
+      deep: true,
+      handler() {
+        storedInquiries.updateStorage(this.inquiries)
+      }
+    }
+  },
+  created() {
+    this.$store.commit('setInquiries', storedInquiries.getStoredInquiries())
+    addEventListener('storage', event => {
+      if (event.key === storedInquiries.myInquiriesKey) {
+        this.$store.commit('setInquiries', storedInquiries.getStoredInquiries())
+      }
+    })
+  }
+}
+</script>
+
 <style>
-#app, * {
-  font-family: Open-Sans, Helvetica, Arial, sans-serif;
+@font-face {
+  font-family: 'Open Sans';
+  src: url('@/assets/fonts/OpenSans-Regular.woff2');
+  font-weight: 400;
+  font-style: normal;
+}
+
+@font-face {
+  font-family: 'Open Sans';
+  src: url('@/assets/fonts/OpenSans-SemiBold.woff2');
+  font-weight: 600;
+  font-style: normal;
+}
+
+@font-face {
+  font-family: 'Open Sans';
+  src: url('@/assets/fonts/OpenSans-Bold.woff2');
+  font-weight: 700;
+  font-style: normal;
+}
+
+@font-face {
+  font-family: 'Open Sans';
+  src: url('@/assets/fonts/OpenSans-Italic.woff2');
+  font-weight: 400;
+  font-style: italic;
+}
+
+@font-face {
+  font-family: 'Open Sans';
+  src: url('@/assets/fonts/OpenSans-SemiBoldItalic.woff2');
+  font-weight: 600;
+  font-style: italic;
+}
+
+@font-face {
+  font-family: 'Open Sans';
+  src: url('@/assets/fonts/OpenSans-BoldItalic.woff2');
+  font-weight: 700;
+  font-style: italic;
+}
+
+#app,
+.dialog,
+input,
+label,
+button,
+.plotly_editor * {
+  font-family: 'Open Sans', Helvetica, Arial, sans-serif;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }
+
 body {
   margin: 0;
 }
+.CodeMirror-hints {
+  z-index: 999 !important;
+}
 </style>

src/assets/images/arrow-hover.svg

@@ -0,0 +1,3 @@
+<svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4.51581 7.54801C4.95181 7.10201 5.55881 7.06701 6.09181 7.54801L9.99981 11.295L13.9078 7.54801C14.4408 7.06701 15.0488 7.10201 15.4818 7.54801C15.9178 7.99301 15.8898 8.74501 15.4818 9.16301C15.0758 9.58101 10.7868 13.665 10.7868 13.665C10.5698 13.888 10.2848 14 9.99981 14C9.71481 14 9.42981 13.888 9.21081 13.665C9.21081 13.665 4.92381 9.58101 4.51581 9.16301C4.10781 8.74501 4.07981 7.99301 4.51581 7.54801V7.54801Z" fill="#119DFF"/>
+</svg>

src/assets/images/arrow.svg

@@ -0,0 +1,3 @@
+<svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4.51581 7.54801C4.95181 7.10201 5.55881 7.06701 6.09181 7.54801L9.99981 11.295L13.9078 7.54801C14.4408 7.06701 15.0488 7.10201 15.4818 7.54801C15.9178 7.99301 15.8898 8.74501 15.4818 9.16301C15.0758 9.58101 10.7868 13.665 10.7868 13.665C10.5698 13.888 10.2848 14 9.99981 14C9.71481 14 9.42981 13.888 9.21081 13.665C9.21081 13.665 4.92381 9.58101 4.51581 9.16301C4.10781 8.74501 4.07981 7.99301 4.51581 7.54801V7.54801Z" fill="#C8D4E3"/>
+</svg>

src/assets/images/body.svg

@@ -0,0 +1,9 @@
+<svg width="74" height="96" viewBox="0 0 74 96" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M42 4L28.8857 0C7.43729 16.4512 1.84318e-05 61.7961 0 96H74C71.7416 62.1085 57.5 24 42 4Z" fill="#C8D4E3"/>
+<mask id="mask0" mask-type="alpha" maskUnits="userSpaceOnUse" x="0" y="0" width="74" height="96">
+<path d="M42 4L28.8857 0C7.43729 16.4512 1.84318e-05 61.7961 0 96H74C71.7416 62.1085 57.5 24 42 4Z" fill="#C8D4E3"/>
+</mask>
+<g mask="url(#mask0)">
+<path d="M32.0001 60.5C38.5001 73 63.5001 76.4999 73.4999 73C73.4999 73 75.7992 60.7994 75.5 60.5002C69.7339 54.7338 43.0003 57.9998 32.0001 60.5Z" fill="#A2B1C6"/>
+</g>
+</svg>

src/assets/images/bottom.svg

@@ -0,0 +1,32 @@
+<svg width="450" height="167" viewBox="0 0 450 167" fill="none" xmlns="http://www.w3.org/2000/svg">
+<mask id="mask0" mask-type="alpha" maskUnits="userSpaceOnUse" x="0" y="0" width="450" height="167">
+<rect width="450" height="167" fill="#C4C4C4"/>
+</mask>
+<g mask="url(#mask0)">
+<path d="M128.207 -169.007C70.1972 -180.849 18.745 -140.11 4.31985 -78.3322C-10.1054 -16.5539 14.3337 15.3318 37.3218 55.1891C72.3784 115.971 181.551 170.237 265.083 166.789C337.517 163.8 389.028 145.514 425.936 77.1107C489.378 -40.4679 417.444 -117.093 325.527 -102.745C214.571 -85.424 213.629 -151.57 128.207 -169.007Z" fill="#DFE8F3"/>
+<path d="M147.222 9.48716C147.222 6.72824 149.458 4.4917 152.217 4.4917H343.044C345.802 4.4917 348.039 6.72824 348.039 9.48715V122.384C348.039 125.143 345.802 127.38 343.044 127.38H152.217C149.458 127.38 147.222 125.143 147.222 122.384V9.48716Z" fill="white"/>
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+<svg width="21" height="20" viewBox="0 0 21 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M10.4998 16.6667C6.82484 16.6667 3.83317 13.675 3.83317 10C3.83317 6.32502 6.82484 3.33335 10.4998 3.33335C14.1748 3.33335 17.1665 6.32502 17.1665 10C17.1665 13.675 14.1748 16.6667 10.4998 16.6667ZM10.4998 1.66669C9.40549 1.66669 8.32186 1.88224 7.31081 2.30102C6.29976 2.71981 5.3811 3.33364 4.60728 4.10746C3.04448 5.67027 2.1665 7.78988 2.1665 10C2.1665 12.2102 3.04448 14.3298 4.60728 15.8926C5.3811 16.6664 6.29976 17.2802 7.31081 17.699C8.32186 18.1178 9.40549 18.3334 10.4998 18.3334C12.71 18.3334 14.8296 17.4554 16.3924 15.8926C17.9552 14.3298 18.8332 12.2102 18.8332 10C18.8332 8.90567 18.6176 7.82204 18.1988 6.81099C17.78 5.79995 17.1662 4.88129 16.3924 4.10746C15.6186 3.33364 14.6999 2.71981 13.6889 2.30102C12.6778 1.88224 11.5942 1.66669 10.4998 1.66669Z" fill="#00CC96"/>
+<rect x="6.09717" y="10.2771" width="1.67" height="4.345" transform="rotate(-45 6.09717 10.2771)" fill="#00CC96"/>
+<rect x="13.752" y="6.97589" width="1.67" height="7.74359" transform="rotate(45 13.752 6.97589)" fill="#00CC96"/>
+</svg>

src/assets/images/top.svg

@@ -0,0 +1,14 @@
+<svg width="450" height="175" viewBox="0 0 450 175" fill="none" xmlns="http://www.w3.org/2000/svg">
+<mask id="mask0" mask-type="alpha" maskUnits="userSpaceOnUse" x="0" y="0" width="450" height="175">
+<rect width="450" height="175" fill="#C4C4C4"/>
+</mask>
+<g mask="url(#mask0)">
+<path d="M128.207 1.99272C70.1972 -9.84897 18.745 30.8895 4.31985 92.6678C-10.1054 154.446 14.3337 186.332 37.3218 226.189C72.3784 286.971 181.551 341.237 265.083 337.789C337.517 334.8 389.028 316.514 425.936 248.111C489.378 130.532 417.444 53.9065 325.527 68.2551C214.571 85.576 213.629 19.4302 128.207 1.99272Z" fill="#DFE8F3"/>
+<path d="M156.284 169.426C158.158 167.553 160.699 166.5 163.349 166.5H331.911C334.561 166.5 337.102 167.553 338.976 169.426L346.041 176.491H149.22L156.284 169.426Z" fill="#C8D4E3"/>
+<path d="M174.099 170.258C174.283 170.09 174.524 169.997 174.773 169.997H318.49C318.739 169.997 318.98 170.09 319.164 170.258V170.258C319.837 170.874 319.402 171.995 318.49 171.995H174.773C173.861 171.995 173.426 170.874 174.099 170.258V170.258Z" fill="#506784"/>
+<path d="M94.227 87.881C94.3962 80.1988 92.5048 65.0608 83.5857 65.9664C83.5857 65.9664 70.5776 76.0877 75.6391 83.6188C80.7005 91.1498 93.4677 94.5083 94.227 87.881Z" fill="#F3C6BF"/>
+<path d="M89.275 91.3105L88 98C85.5023 99.4986 76.5531 99.0196 74.5 95C74.5 95 76.8298 89.9135 77.8446 84.9226L89.275 91.3105Z" fill="#F3C6BF"/>
+<path d="M92.2719 67.1161C92.2719 72.7689 84.2242 68.8872 82.3423 72.9126C80.4605 76.9379 77.3952 86.9208 77.3952 86.9208C72.6323 84.7414 66.7273 69.33 73.2936 65.1034C79.3506 61.2047 92.2719 63.0102 92.2719 67.1161Z" fill="#506784"/>
+<path d="M79.7654 83.9628C75.1522 80.7269 76.371 75.1343 79.7562 76.9534C85.1994 79.8785 81.2934 82.9808 79.7654 83.9628Z" fill="#F3C6BF"/>
+</g>
+</svg>

src/assets/styles/buttons.css

@@ -27,14 +27,6 @@ button.primary:hover {
   text-shadow: var(--shadow);
 }
 
-button.primary:disabled {
-  background: var(--color-bg-light-2);
-  border: 1px solid var(--color-border);
-  color: var(--color-text-light-2);
-  text-shadow: none;
-  cursor: default;
-}
-
 button.secondary {
   background: white;
   border: 1px solid var(--color-border);
@@ -59,5 +51,11 @@ button.toolbar:hover {
   color: var(--color-accent);
 }
 
-
-
+button.primary:disabled,
+button.secondary:disabled {
+  background: var(--color-bg-light-2);
+  border: 1px solid var(--color-border);
+  color: var(--color-text-light-2);
+  text-shadow: none;
+  cursor: default;
+}

src/assets/styles/dialogs.css

@@ -1,6 +1,13 @@
 .dialog {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.dialog .vfm__content {
   border-radius: var(--border-radius-big);
   box-shadow: 0px 2px 9px rgba(80, 103, 132, 0.8);
+  background-color: white;
+  overflow: hidden;
 }
 
 .dialog-header {
@@ -16,7 +23,7 @@
 }
 
 .dialog-body {
-  min-height: 60px;
+  min-height: 56px;
   background-color: var(--color-bg-light);
   padding: 24px;
   border-top: 1px solid var(--color-border-light);
@@ -35,6 +42,6 @@
   margin-left: 16px;
 }
 
-.vm--overlay {
+.vfm__overlay.vfm--overlay {
   background-color: rgba(162, 177, 198, 0.5);
 }

src/assets/styles/messages.css

@@ -3,4 +3,4 @@
   color: var(--color-text-base);
   font-size: 13px;
   padding: 0 24px;
-}
+}

src/assets/styles/multiselect.css

@@ -0,0 +1,136 @@
+.sqliteviz-select,
+.sqliteviz-select .multiselect__tags {
+  min-height: 36px;
+  color: var(--color-text-base);
+}
+
+.sqliteviz-select .multiselect__select {
+  height: 34px;
+  min-height: 34px;
+  padding: 6px;
+  width: 32px;
+  height: 32px;
+  margin-top: 1px;
+}
+
+.sqliteviz-select .multiselect__tags {
+  border-radius: var(--border-radius-medium-2);
+  border: 1px solid var(--color-border);
+  padding: 4px 32px 0 6px;
+}
+
+.sqliteviz-select,
+.sqliteviz-select .multiselect__input,
+.sqliteviz-select .multiselect__single,
+.sqliteviz-select .multiselect__placeholder {
+  font-size: 12px;
+}
+
+.sqliteviz-select .multiselect__single,
+.sqliteviz-select .multiselect__placeholder,
+.sqliteviz-select .multiselect__input {
+  padding: 0;
+  margin-bottom: 0;
+  line-height: 28px;
+}
+
+.sqliteviz-select .multiselect__input {
+  width: 0 !important;
+  color: var(--color-text-base);
+}
+
+.sqliteviz-select.multiselect--active .multiselect__input {
+  width: auto !important;
+}
+
+.sqliteviz-select .multiselect__placeholder,
+.sqliteviz-select .multiselect__input::placeholder {
+  color: var(--color-text-light-2);
+}
+
+.sqliteviz-select .multiselect__option.multiselect__option--highlight {
+  background-color: var(--color-bg-light);
+  color: var(--color-text-active);
+}
+
+.sqliteviz-select .multiselect__tag {
+  background-color: var(--color-bg-light-4);
+  border: 1px solid var(--color-border);
+  border-radius: var(--border-radius-small);
+  color: var(--color-text-active);
+  font-size: 11.05px;
+  margin: 2px;
+}
+.sqliteviz-select .multiselect__tag-icon:after {
+  content: url('@/assets/images/delete-tag.svg');
+  height: 14px;
+  width: 14px;
+}
+
+.sqliteviz-select .multiselect__tag-icon:focus:after,
+.sqliteviz-select .multiselect__tag-icon:hover:after {
+  content: url('@/assets/images/delete-tag-hover.svg');
+}
+
+.sqliteviz-select .multiselect__tag-icon:focus,
+.sqliteviz-select .multiselect__tag-icon:hover {
+  background-color: var(--color-bg-danger);
+  border-radius: var(--border-radius-small);
+}
+
+.sqliteviz-select .multiselect__option {
+  min-height: 29px;
+  padding: 8px 12px;
+  line-height: 13px;
+}
+
+.sqliteviz-select .multiselect__option:after {
+  line-height: 29px;
+}
+
+.sqliteviz-select .multiselect__content-wrapper {
+  border-radius: var(--border-radius-medium-2);
+  border: 1px solid var(--color-border);
+  box-shadow: var(--shadow-1);
+  top: calc(100% - 1px);
+  max-height: 292px !important;
+}
+
+.sqliteviz-select.multiselect--above .multiselect__content-wrapper {
+  top: unset;
+  bottom: calc(100% - 1px);
+}
+
+.sqliteviz-select .multiselect__select:before {
+  content: url('@/assets/images/arrow.svg');
+  border: none;
+  top: 0;
+}
+
+.sqliteviz-select.multiselect--active .multiselect__select {
+  transform: none;
+}
+
+.sqliteviz-select:hover .multiselect__tags {
+  border-color: var(--color-border-dark);
+}
+
+.sqliteviz-select .multiselect__select:hover:before {
+  content: url('@/assets/images/arrow-hover.svg');
+}
+
+.sqliteviz-select.multiselect--active .multiselect__tags {
+  border-radius: var(--border-radius-medium-2);
+}
+
+.sqliteviz-select .multiselect__option .no-results {
+  color: var(--color-text-light-2);
+}
+
+.sqliteviz-select.multiselect--disabled {
+  opacity: unset;
+}
+
+.sqliteviz-select.multiselect--disabled .multiselect__select {
+  background: unset;
+}

src/assets/styles/scrollbars.css

@@ -3,13 +3,13 @@
   width: 5px;
   height: 5px;
 }
-  
+
 /* Track */
 ::-webkit-scrollbar-track {
-  background: transparent; 
+  background: transparent;
   border-radius: 5px;
 }
-   
+
 /* Handle */
 ::-webkit-scrollbar-thumb {
   background: var(--color-accent);

src/assets/styles/tables.css

@@ -1,11 +1,17 @@
 .rounded-bg {
-  padding: 40px 5px 5px;
+  padding: 35px 5px 5px;
   background-color: white;
   border-radius: 5px;
   position: relative;
   border: 1px solid var(--color-border-light);
   box-sizing: border-box;
 }
+
+.straight .rounded-bg {
+  border-radius: 0;
+  border-width: 0 0 1px 0;
+}
+
 .header-container {
   overflow: hidden;
   position: absolute;
@@ -18,7 +24,20 @@
   border-radius: 5px 5px 0 0;
 }
 
-@supports (-moz-appearance:none) {
+.straight .header-container {
+  border-radius: 0;
+}
+
+.straight {
+  height: 100%;
+}
+
+.straight .rounded-bg {
+  /* 27 - height of table footer */
+  height: calc(100% - 27px);
+}
+
+@supports (-moz-appearance: none) {
   .header-container {
     top: 0;
     padding-left: 6px;
@@ -32,41 +51,47 @@
 }
 .table-container {
   width: 100%;
+  max-height: 100%;
   overflow: auto;
 }
-table {
+table.sqliteviz-table {
   min-width: 100%;
-  margin-top: -40px;
+  margin-top: -35px;
   border-collapse: collapse;
 }
-thead th, .fixed-header {
+.sqliteviz-table thead th,
+.fixed-header {
   font-size: 14px;
   font-weight: 600;
   box-sizing: border-box;
   background-color: var(--color-bg-dark);
   color: var(--color-text-light);
   border-right: 1px solid var(--color-border-light);
+  overflow: hidden;
+  text-overflow: ellipsis;
 }
-tbody td {
+.sqliteviz-table tbody td {
   font-size: 13px;
-  background-color:white;
+  background-color: white;
   color: var(--color-text-base);
   box-sizing: border-box;
   border-bottom: 1px solid var(--color-border-light);
   border-right: 1px solid var(--color-border-light);
 }
-td, th, .fixed-header {
-  padding: 12px 24px;
+.sqliteviz-table td,
+.sqliteviz-table th,
+.fixed-header {
+  padding: 8px 24px;
   white-space: nowrap;
 }
 
-tbody tr td:last-child,
-thead tr th:last-child,
+.sqliteviz-table tbody tr td:last-child,
+.sqliteviz-table thead tr th:last-child,
 .header-container div .fixed-header:last-child {
   border-right: none;
 }
 
-td > div.cell-data {
+.sqliteviz-table td > div.cell-data {
   width: -webkit-max-content;
   width: -moz-max-content;
   width: max-content;
@@ -83,3 +108,9 @@ td > div.cell-data {
   font-size: 11px;
   color: var(--color-text-base);
 }
+
+.sqliteviz-table tbody td[data-isNull='true'],
+.sqliteviz-table tbody td[data-isBlob='true'] {
+  color: var(--color-text-light-2);
+  font-style: italic;
+}

src/assets/styles/tooltips.css

@@ -1,15 +1,13 @@
 .icon-tooltip {
-  visibility: hidden;
   background-color: rgba(80, 103, 132, 0.85);
   color: #fff;
   text-align: center;
-  font-size: 11px;
+  font-size: 12px;
   padding: 0 6px;
-  line-height: 19px;;
+  line-height: 19px;
   position: fixed;
-  z-index: 5;
   height: 19px;
   border-radius: var(--border-radius-medium);
   white-space: nowrap;
   z-index: 999;
-}
+}

src/assets/styles/variables.css

@@ -1,29 +1,33 @@
 :root {
   --color-white: #ffffff;
-  --color-gray-light: #F3F6FA;
-  --color-gray-light-2: #DFE8F3;
-  --color-gray-light-3: #C8D4E3;
-  --color-gray-light-4:#EBF0F8;
-  --color-gray-light-5:#f8f8f9;
-  --color-gray-medium: #A2B1C6;
+  --color-gray-light: #f3f6fa;
+  --color-gray-light-2: #dfe8f3;
+  --color-gray-light-3: #c8d4e3;
+  --color-gray-light-4: #ebf0f8;
+  --color-gray-light-5: #f8f8f9;
+  --color-gray-medium: #a2b1c6;
   --color-gray-dark: #506784;
-  --color-blue-medium: #119DFF;
-  --color-blue-dark: #0D76BF;
-  --color-blue-dark-2: #2A3F5F;
-  --color-red: #EF553B;
-  --color-yellow: #FBEFCB;
-
-
+  --color-blue-medium: #119dff;
+  --color-blue-dark: #0d76bf;
+  --color-blue-dark-2: #2a3f5f;
+  --color-red: #ef553b;
+  --color-red-2: #de350b;
+  --color-red-light: #ffbdad;
+  --color-yellow: #fbefcb;
 
   --color-bg-light: var(--color-gray-light);
   --color-bg-light-2: var(--color-gray-light-2);
   --color-bg-light-3: var(--color-gray-light-5);
+  --color-bg-light-4: var(--color-gray-light-4);
   --color-bg-dark: var(--color-gray-dark);
   --color-bg-warning: var(--color-yellow);
+  --color-bg-danger: var(--color-red-light);
+  --color-danger: var(--color-red-2);
   --color-accent: var(--color-blue-medium);
   --color-accent-shade: var(--color-blue-dark);
   --color-border-light: var(--color-gray-light-2);
   --color-border: var(--color-gray-light-3);
+  --color-border-dark: var(--color-gray-medium);
   --color-text-light: var(--color-white);
   --color-text-light-2: var(--color-gray-medium);
   --color-text-base: var(--color-gray-dark);
@@ -39,5 +43,6 @@
   --border-radius-small: 2px;
 }
 
-
-
+.plotly-editor--theme-provider {
+  --sidebar-width: 112px;
+}

src/components/Chart.vue

@@ -1,113 +0,0 @@
-<template>
-<div v-show="visible" class="chart-container">
-  <div class="warning chart-warning" v-show="!sqlResult && visible">
-    There is no data to build a chart. Run your sql query and make sure the result is not empty.
-  </div>
-  <PlotlyEditor
-    :data="state.data"
-    :layout="state.layout"
-    :frames="state.frames"
-    :config="{ editable: true, displaylogo: false }"
-    :dataSources="dataSources"
-    :dataSourceOptions="dataSourceOptions"
-    :plotly="plotly"
-    @onUpdate="update"
-    :useResizeHandler="true"
-    :debug="true"
-    :advancedTraceTypeSelector="true"
-    class="chart"
-    :style="{ height: !sqlResult ? 'calc(100% - 40px)' : '100%' }"
-  />
-</div>
-</template>
-
-<script>
-import plotly from 'plotly.js/dist/plotly'
-import 'react-chart-editor/lib/react-chart-editor.min.css'
-
-import PlotlyEditor from 'react-chart-editor'
-import dereference from 'react-chart-editor/lib/lib/dereference'
-
-export default {
-  name: 'Chart',
-  props: ['sqlResult', 'initChart', 'visible'],
-  components: {
-    PlotlyEditor
-  },
-  data () {
-    return {
-      plotly: plotly,
-      state: this.initChart || {
-        data: [],
-        layout: {},
-        frames: []
-      }
-    }
-  },
-  computed: {
-    dataSources () {
-      if (!this.sqlResult) {
-        return {}
-      }
-      const dataSorces = {}
-      const matrix = this.sqlResult.values
-      const [row] = matrix
-      const transposedMatrix = row.map((value, column) => matrix.map(row => row[column]))
-      this.sqlResult.columns.forEach((column, index) => {
-        dataSorces[column] = transposedMatrix[index]
-      })
-      return dataSorces
-    },
-    dataSourceOptions () {
-      return Object.keys(this.dataSources).map(name => ({
-        value: name,
-        label: name
-      }))
-    }
-  },
-  watch: {
-    dataSources () {
-      // we need to update state.data in order to update the graph
-      // https://github.com/plotly/react-chart-editor/issues/948
-      dereference(this.state.data, this.dataSources)
-    }
-  },
-  methods: {
-    update (data, layout, frames) {
-      this.state = { data, layout, frames }
-      this.$emit('update')
-    },
-    getChartSatateForSave () {
-      // we don't need to save the data, only settings
-      // so we modify state.data using dereference
-      const stateCopy = JSON.parse(JSON.stringify(this.state))
-      const emptySources = {}
-      for (const key in this.dataSources) {
-        emptySources[key] = []
-      }
-      dereference(stateCopy.data, emptySources)
-      return stateCopy
-    }
-  }
-}
-</script>
-
-<style scoped>
-.chart-container {
-  height: calc(100% - 89px);
-}
-
-.chart-warning {
-  height: 40px;
-  line-height: 40px;
-}
-
-.chart {
-  border-top: 1px solid var(--color-border);
-  min-height: 242px;
-}
-
->>> .editor_controls .sidebar__item:before {
-  width: 0;
-}
-</style>

src/components/CheckBox.vue

@@ -1,26 +1,41 @@
 <template>
-  <div class="checkbox-container" @click.stop="onClick">
+  <div
+    :class="[
+      'checkbox-container',
+      { checked: checked },
+      { disabled: disabled }
+    ]"
+    @click.stop="onClick"
+  >
     <div v-show="!checked" class="unchecked" />
     <img
-      v-show="checked && theme === 'accent'"
-      :src="require('@/assets/images/checkbox_checked.svg')"
+      v-show="checked && !disabled && theme === 'light'"
+      class="checked-light"
+      src="~@/assets/images/checkbox_checked_light.svg"
     />
     <img
-      v-show="checked && theme === 'light'"
-      :src="require('@/assets/images/checkbox_checked_light.svg')"
+      v-show="checked && !disabled && theme !== 'light'"
+      class="checked"
+      src="~@/assets/images/checkbox_checked.svg"
     />
+    <img
+      v-show="checked && disabled"
+      class="checked-disabled"
+      src="~@/assets/images/checkbox_checked_disabled.svg"
+    />
+    <span v-if="label" class="label">{{ label }}</span>
   </div>
 </template>
 
 <script>
 export default {
-  name: 'checkBox',
+  name: 'CheckBox',
   props: {
     theme: {
       type: String,
       required: false,
       default: 'accent',
-      validator: (value) => {
+      validator: value => {
         return ['accent', 'light'].includes(value)
       }
     },
@@ -28,17 +43,30 @@ export default {
       type: Boolean,
       required: false,
       default: false
+    },
+    label: {
+      type: String,
+      required: false,
+      default: ''
+    },
+    disabled: {
+      type: Boolean,
+      required: false,
+      default: false
     }
   },
-  data () {
+  emits: ['click'],
+  data() {
     return {
       checked: this.init
     }
   },
   methods: {
-    onClick () {
-      this.checked = !this.checked
-      this.$emit('click', this.checked)
+    onClick() {
+      if (!this.disabled) {
+        this.checked = !this.checked
+        this.$emit('click', this.checked)
+      }
     }
   }
 }
@@ -46,7 +74,7 @@ export default {
 
 <style scoped>
 .checkbox-container {
-  display: inline-block;
+  display: inline-flex;
   cursor: pointer;
 }
 .unchecked {
@@ -62,6 +90,26 @@ export default {
 }
 
 img {
-    display: block;
+  display: block;
+}
+.label {
+  margin-left: 6px;
+  color: var(--color-text-base);
+}
+.checked .label {
+  color: var(--color-text-active);
+}
+
+.disabled.checkbox-container {
+  cursor: default;
+}
+
+.disabled .label {
+  color: var(--color-text-light-2);
+}
+
+.disabled .unchecked,
+.disabled .unchecked:hover {
+  background-color: var(--color-bg-light-2);
 }
 </style>

src/components/CsvJsonImport/DelimiterSelector/ascii.js

@@ -0,0 +1,130 @@
+export default {
+  0: { name: 'null character' },
+  1: { name: 'start of header' },
+  2: { name: 'start of text' },
+  3: { name: 'end of text' },
+  4: { name: 'end of transmission' },
+  5: { name: 'enquiry' },
+  6: { name: 'acknowledge' },
+  7: { name: 'bell (ring)' },
+  8: { name: 'backspace' },
+  9: { name: 'horizontal tab' },
+  10: { name: 'line feed' },
+  11: { name: 'vertical tab' },
+  12: { name: 'form feed' },
+  13: { name: 'carriage return' },
+  14: { name: 'shift out' },
+  15: { name: 'shift in' },
+  16: { name: 'data link escape' },
+  17: { name: 'device control 1' },
+  18: { name: 'device control 2' },
+  19: { name: 'device control 3' },
+  20: { name: 'device control 4' },
+  21: { name: 'negative acknowledge' },
+  22: { name: 'synchronize' },
+  23: { name: 'end transmission block' },
+  24: { name: 'cancel' },
+  25: { name: 'end of medium' },
+  26: { name: 'substitute' },
+  27: { name: 'escape' },
+  28: { name: 'file separator' },
+  29: { name: 'group separator' },
+  30: { name: 'record separator' },
+  31: { name: 'unit separator' },
+  32: { name: 'space' },
+  33: { name: 'exclamation mark' },
+  34: { name: 'quotation mark' },
+  35: { name: 'number sign' },
+  36: { name: 'dollar sign' },
+  37: { name: 'percent sign' },
+  38: { name: 'ampersand' },
+  39: { name: 'apostrophe' },
+  40: { name: 'left parenthesis' },
+  41: { name: 'right parenthesis' },
+  42: { name: 'asterisk' },
+  43: { name: 'plus sign' },
+  44: { name: 'comma' },
+  45: { name: 'hyphen' },
+  46: { name: 'period' },
+  47: { name: 'slash' },
+  48: { name: 'digit 0' },
+  49: { name: 'digit 1' },
+  50: { name: 'digit 2' },
+  51: { name: 'digit 3' },
+  52: { name: 'digit 4' },
+  53: { name: 'digit 5' },
+  54: { name: 'digit 6' },
+  55: { name: 'digit 7' },
+  56: { name: 'digit 8' },
+  57: { name: 'digit 9' },
+  58: { name: 'colon' },
+  59: { name: 'semicolon' },
+  60: { name: 'less-than' },
+  61: { name: 'equals-to' },
+  62: { name: 'greater-than' },
+  63: { name: 'question mark' },
+  64: { name: 'at sign' },
+  65: { name: 'uppercase A' },
+  66: { name: 'uppercase B' },
+  67: { name: 'uppercase C' },
+  68: { name: 'uppercase D' },
+  69: { name: 'uppercase E' },
+  70: { name: 'uppercase F' },
+  71: { name: 'uppercase G' },
+  72: { name: 'uppercase H' },
+  73: { name: 'uppercase I' },
+  74: { name: 'uppercase J' },
+  75: { name: 'uppercase K' },
+  76: { name: 'uppercase L' },
+  77: { name: 'uppercase M' },
+  78: { name: 'uppercase N' },
+  79: { name: 'uppercase O' },
+  80: { name: 'uppercase P' },
+  81: { name: 'uppercase Q' },
+  82: { name: 'uppercase R' },
+  83: { name: 'uppercase S' },
+  84: { name: 'uppercase T' },
+  85: { name: 'uppercase U' },
+  86: { name: 'uppercase V' },
+  87: { name: 'uppercase W' },
+  88: { name: 'uppercase X' },
+  89: { name: 'uppercase Y' },
+  90: { name: 'uppercase Z' },
+  91: { name: 'left square bracket' },
+  92: { name: 'backslash' },
+  93: { name: 'right square bracket' },
+  94: { name: 'caret' },
+  95: { name: 'underscore' },
+  96: { name: 'grave accent' },
+  97: { name: 'lowercase a' },
+  98: { name: 'lowercase b' },
+  99: { name: 'lowercase c' },
+  100: { name: 'lowercase d' },
+  101: { name: 'lowercase e' },
+  102: { name: 'lowercase f' },
+  103: { name: 'lowercase g' },
+  104: { name: 'lowercase h' },
+  105: { name: 'lowercase i' },
+  106: { name: 'lowercase j' },
+  107: { name: 'lowercase k' },
+  108: { name: 'lowercase l' },
+  109: { name: 'lowercase m' },
+  110: { name: 'lowercase n' },
+  111: { name: 'lowercase o' },
+  112: { name: 'lowercase p' },
+  113: { name: 'lowercase q' },
+  114: { name: 'lowercase r' },
+  115: { name: 'lowercase s' },
+  116: { name: 'lowercase t' },
+  117: { name: 'lowercase u' },
+  118: { name: 'lowercase v' },
+  119: { name: 'lowercase w' },
+  120: { name: 'lowercase x' },
+  121: { name: 'lowercase y' },
+  122: { name: 'lowercase z' },
+  123: { name: 'left curly brace' },
+  124: { name: 'vertical bar' },
+  125: { name: 'right curly brace' },
+  126: { name: 'tilde' },
+  127: { name: 'delete (rubout)' }
+}

src/components/CsvJsonImport/DelimiterSelector/index.vue

@@ -0,0 +1,210 @@
+<template>
+  <div :class="{ disabled: disabled }">
+    <div class="text-field-label">Delimiter</div>
+    <div
+      class="delimiter-selector-container"
+      :style="{ width: width }"
+      @click="onContainerClick"
+    >
+      <div class="value">
+        <input
+          ref="delimiterInput"
+          v-model="inputValue"
+          :class="{ filled: filled }"
+          type="text"
+          maxlength="1"
+          :disabled="disabled"
+          @click.stop
+        />
+        <div class="name">{{ getSymbolName(modelValue) }}</div>
+      </div>
+      <div class="controls" @click.stop>
+        <clear-icon :disabled="disabled" @click="clear" />
+        <drop-down-chevron
+          :disabled="disabled"
+          @click="!disabled && (showOptions = !showOptions)"
+        />
+      </div>
+    </div>
+    <div v-show="showOptions" class="options" :style="{ width: width }">
+      <div
+        v-for="(option, index) in options"
+        :key="index"
+        class="option"
+        @click="chooseOption(option)"
+      >
+        <pre>{{ option }}</pre>
+        <div>{{ getSymbolName(option) }}</div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import ascii from './ascii'
+import DropDownChevron from '@/components/svg/dropDownChevron'
+import ClearIcon from '@/components/svg/clear'
+
+export default {
+  name: 'DelimiterSelector',
+  components: { DropDownChevron, ClearIcon },
+  props: {
+    modelValue: String,
+    width: String,
+    disabled: Boolean
+  },
+  emits: ['update:modelValue'],
+  data() {
+    return {
+      showOptions: false,
+      options: [',', '\t', ' ', '|', ';', '\u001F', '\u001E'],
+      filled: false,
+      inputValue: ''
+    }
+  },
+  watch: {
+    inputValue() {
+      if (this.inputValue) {
+        this.filled = true
+        if (this.inputValue !== this.modelValue) {
+          this.$emit('update:modelValue', this.inputValue)
+        }
+      } else {
+        this.filled = false
+      }
+    }
+  },
+  created() {
+    this.inputValue = this.modelValue
+  },
+  methods: {
+    getSymbolName(str) {
+      if (!str) {
+        return ''
+      }
+      return ascii[str.charCodeAt(0).toString()].name
+    },
+    chooseOption(option) {
+      this.inputValue = option
+      this.showOptions = false
+    },
+    onContainerClick() {
+      this.$refs.delimiterInput.focus()
+    },
+
+    clear() {
+      if (!this.disabled) {
+        this.inputValue = ''
+        this.$refs.delimiterInput.focus()
+      }
+    }
+  }
+}
+</script>
+
+<style scoped>
+.delimiter-selector-container {
+  background: var(--color-white);
+  border: 1px solid var(--color-border);
+  border-radius: var(--border-radius-medium-2);
+  height: 36px;
+  padding: 0 8px;
+  font-size: 12px;
+  box-sizing: border-box;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.value {
+  display: flex;
+  align-items: center;
+}
+
+.value .name {
+  color: var(--color-text-light-2);
+  cursor: default;
+  margin-left: 4px;
+}
+
+.controls {
+  display: flex;
+  align-items: center;
+}
+
+.options {
+  background: var(--color-white);
+  border: 1px solid var(--color-border);
+  border-width: 0 1px 1px 1px;
+  color: var(--color-text-base);
+  border-radius: var(--border-radius-medium-2);
+  font-size: 12px;
+  box-sizing: border-box;
+  position: absolute;
+  z-index: 2;
+}
+
+.option {
+  display: flex;
+  align-items: center;
+  height: 24px;
+  padding: 0 6px;
+}
+
+.option:hover {
+  background-color: var(--color-bg-light);
+  color: var(--color-text-active);
+  cursor: pointer;
+}
+
+.option pre {
+  background-color: var(--color-bg-warning);
+  line-height: 20px;
+  margin-right: 6px;
+  tab-size: 1;
+  font-family: monospace;
+  width: 16px;
+  text-align: center;
+}
+
+input {
+  background: var(--color-white);
+  border: none;
+  color: var(--color-text-base);
+  height: 20px;
+  font-family: monospace;
+  font-size: 12px;
+  box-sizing: border-box;
+  width: 16px;
+  text-align: center;
+}
+
+input.filled {
+  background: var(--color-bg-warning);
+}
+
+input:focus {
+  outline: none;
+}
+
+input:disabled {
+  background: var(--color-bg-light);
+  color: var(--color-text-light-2);
+  cursor: default;
+}
+
+.text-field-label {
+  font-size: 12px;
+  color: var(--color-text-base);
+  padding-left: 8px;
+  margin-bottom: 2px;
+}
+
+.disabled .text-field-label {
+  color: var(--color-text-light-2);
+}
+
+.disabled .delimiter-selector-container {
+  background: var(--color-bg-light);
+}
+</style>

src/components/CsvJsonImport/index.vue

@@ -0,0 +1,518 @@
+<template>
+  <modal
+    :modalId="dialogName"
+    class="dialog"
+    contentClass="import-modal"
+    scrollable
+    :clickToClose="false"
+  >
+    <div class="dialog-header">
+      {{ typeName }} import
+      <close-icon :disabled="disableDialog" @click="cancelImport" />
+    </div>
+    <div class="dialog-body">
+      <text-field
+        id="csv-json-table-name"
+        v-model="tableName"
+        label="Table name"
+        width="484px"
+        :disabled="disableDialog"
+        :errorMsg="tableNameError"
+      />
+      <div v-if="!isJson && !isNdJson" class="chars">
+        <delimiter-selector
+          v-model="delimiter"
+          width="210px"
+          class="char-input"
+          :disabled="disableDialog"
+          @input="preview"
+        />
+        <text-field
+          id="quote-char"
+          v-model="quoteChar"
+          label="Quote char"
+          hint="The character used to quote fields."
+          width="93px"
+          :disabled="disableDialog"
+          class="char-input"
+          @input="preview"
+        />
+        <text-field
+          id="escape-char"
+          v-model="escapeChar"
+          label="Escape char"
+          hint='
+            The character used to escape the quote character within a field
+            (e.g. "column with ""quotes"" in text").
+          '
+          maxHintWidth="242px"
+          width="93px"
+          :disabled="disableDialog"
+          class="char-input"
+          @input="preview"
+        />
+      </div>
+      <check-box
+        v-if="!isJson && !isNdJson"
+        :init="header"
+        label="Use first row as column headers"
+        :disabled="disableDialog"
+        @click="changeHeaderDisplaying"
+      />
+      <sql-table
+        v-if="previewData && previewData.rowCount > 0"
+        :data-set="previewData"
+        :preview="true"
+        class="preview-table"
+      />
+      <div v-else class="no-data">No data</div>
+      <logs class="import-errors" :messages="importMessages" />
+    </div>
+    <div class="dialog-buttons-container">
+      <button
+        id="import-cancel"
+        class="secondary"
+        :disabled="disableDialog"
+        @click="cancelImport"
+      >
+        Cancel
+      </button>
+      <button
+        v-show="!importCompleted"
+        id="import-start"
+        class="primary"
+        :disabled="disableDialog || disableImport"
+        @click="loadToDb(file)"
+      >
+        Import
+      </button>
+      <button
+        v-show="importCompleted"
+        id="import-finish"
+        class="primary"
+        :disabled="disableDialog"
+        @click="finish"
+      >
+        Finish
+      </button>
+    </div>
+  </modal>
+</template>
+
+<script>
+import csv from '@/lib/csv'
+import CloseIcon from '@/components/svg/close'
+import TextField from '@/components/TextField'
+import DelimiterSelector from './DelimiterSelector'
+import CheckBox from '@/components/CheckBox'
+import SqlTable from '@/components/SqlTable'
+import Logs from '@/components/Logs'
+import time from '@/lib/utils/time'
+import fIo from '@/lib/utils/fileIo'
+import events from '@/lib/utils/events'
+
+export default {
+  name: 'CsvJsonImport',
+  components: {
+    CloseIcon,
+    TextField,
+    DelimiterSelector,
+    CheckBox,
+    SqlTable,
+    Logs
+  },
+  props: {
+    file: File,
+    db: Object,
+    dialogName: String
+  },
+  emits: ['cancel', 'finish'],
+  data() {
+    return {
+      disableDialog: false,
+      disableImport: false,
+      tableName: '',
+      delimiter: '',
+      quoteChar: '"',
+      escapeChar: '"',
+      header: true,
+      importCompleted: false,
+      importMessages: [],
+      previewData: null,
+      addedTable: null,
+      tableNameError: ''
+    }
+  },
+  computed: {
+    isJson() {
+      return fIo.isJSON(this.file)
+    },
+    isNdJson() {
+      return fIo.isNDJSON(this.file)
+    },
+    typeName() {
+      return this.isJson || this.isNdJson ? 'JSON' : 'CSV'
+    }
+  },
+  watch: {
+    isJson() {
+      if (this.isJson) {
+        this.delimiter = '\u001E'
+        this.header = false
+      }
+    },
+    isNdJson() {
+      if (this.isNdJson) {
+        this.delimiter = '\u001E'
+        this.header = false
+      }
+    },
+    tableName: time.debounce(function () {
+      this.tableNameError = ''
+      if (!this.tableName) {
+        return
+      }
+      this.db.validateTableName(this.tableName).catch(err => {
+        this.tableNameError = err.message + '. Try another table name.'
+      })
+    }, 400)
+  },
+  methods: {
+    changeHeaderDisplaying(e) {
+      this.header = e
+      this.preview()
+    },
+    cancelImport() {
+      if (!this.disableDialog) {
+        if (this.addedTable) {
+          this.db.execute(`DROP TABLE "${this.addedTable}"`)
+          this.db.refreshSchema()
+        }
+        this.$modal.hide(this.dialogName)
+        this.$emit('cancel')
+      }
+    },
+    reset() {
+      this.header = !this.isJson && !this.isNdJson
+      this.quoteChar = '"'
+      this.escapeChar = '"'
+      this.delimiter = !this.isJson && !this.isNdJson ? '' : '\u001E'
+      this.tableName = ''
+      this.disableDialog = false
+      this.disableImport = false
+      this.importCompleted = false
+      this.importMessages = []
+      this.previewData = null
+      this.addedTable = null
+      this.tableNameError = ''
+    },
+    open() {
+      this.tableName = this.db.sanitizeTableName(fIo.getFileName(this.file))
+      this.$modal.show(this.dialogName)
+    },
+    async preview() {
+      this.disableImport = false
+      if (!this.file) {
+        return
+      }
+      this.importCompleted = false
+      const config = {
+        preview: 3,
+        quoteChar: this.quoteChar || '"',
+        escapeChar: this.escapeChar,
+        header: this.header,
+        delimiter: this.delimiter,
+        columns: !this.isJson && !this.isNdJson ? null : ['doc']
+      }
+      try {
+        const start = new Date()
+        const parseResult = this.isJson
+          ? await this.getJsonParseResult(this.file)
+          : await csv.parse(this.file, config)
+        const end = new Date()
+        this.previewData = parseResult.data
+        this.previewData.rowCount = parseResult.rowCount
+        this.delimiter = parseResult.delimiter
+
+        // In parseResult.messages we can get parse errors
+        this.importMessages = parseResult.messages || []
+
+        if (this.previewData.rowCount === 0) {
+          this.disableImport = true
+          this.importMessages.push({
+            type: 'info',
+            message: 'No rows to import.'
+          })
+        }
+
+        if (!parseResult.hasErrors) {
+          this.importMessages.push({
+            message: `Preview parsing is completed in ${time.getPeriod(start, end)}.`,
+            type: 'success'
+          })
+        }
+      } catch (err) {
+        console.error(err)
+        this.importMessages = [
+          {
+            message: err,
+            type: 'error'
+          }
+        ]
+      }
+    },
+    async getJsonParseResult(file) {
+      const jsonContent = await fIo.getFileContent(file)
+      const isEmpty = !jsonContent.trim()
+      return {
+        data: {
+          columns: ['doc'],
+          values: { doc: !isEmpty ? [jsonContent] : [] }
+        },
+        hasErrors: false,
+        messages: [],
+        rowCount: +!isEmpty
+      }
+    },
+    async loadToDb(file) {
+      if (!this.tableName) {
+        this.tableNameError = "Table name can't be empty"
+        return
+      }
+
+      this.disableDialog = true
+      const config = {
+        quoteChar: this.quoteChar || '"',
+        escapeChar: this.escapeChar,
+        header: this.header,
+        delimiter: this.delimiter,
+        columns: !this.isJson && !this.isNdJson ? null : ['doc']
+      }
+      let parsingMsg = {}
+      this.importMessages.push({
+        message: `Parsing ${this.typeName}...`,
+        type: 'info'
+      })
+      // Get *reactive* link to parsing message for later updates
+      parsingMsg = this.importMessages[this.importMessages.length - 1]
+      const parsingLoadingIndicator = setTimeout(() => {
+        parsingMsg.type = 'loading'
+      }, 1000)
+
+      let importMsg = {}
+      let importLoadingIndicator = null
+
+      const updateProgress = progress => {
+        importMsg.progress = progress
+      }
+      const progressCounterId = this.db.createProgressCounter(updateProgress)
+
+      try {
+        let start = new Date()
+        const parseResult = this.isJson
+          ? await this.getJsonParseResult(file)
+          : await csv.parse(this.file, config)
+
+        let end = new Date()
+
+        if (!parseResult.hasErrors) {
+          const rowCount = parseResult.rowCount
+          let period = time.getPeriod(start, end)
+          parsingMsg.type = 'success'
+
+          if (parseResult.messages.length > 0) {
+            this.importMessages = this.importMessages.concat(
+              parseResult.messages
+            )
+            parsingMsg.message = `${rowCount} rows are parsed in ${period}.`
+          } else {
+            // Inform about parsing success
+            parsingMsg.message = `${rowCount} rows are parsed successfully in ${period}.`
+          }
+
+          // Loading indicator for parsing is not needed anymore
+          clearTimeout(parsingLoadingIndicator)
+
+          // Add info about import start
+          this.importMessages.push({
+            message: `Importing ${this.typeName} into a SQLite database...`,
+            type: 'info'
+          })
+          importMsg = this.importMessages[this.importMessages.length - 1]
+
+          // Show import progress after 1 second
+          importLoadingIndicator = setTimeout(() => {
+            importMsg.type = 'loading'
+          }, 1000)
+
+          // Add table
+          start = new Date()
+          await this.db.addTableFromCsv(
+            this.tableName,
+            parseResult.data,
+            progressCounterId
+          )
+          end = new Date()
+
+          this.addedTable = this.tableName
+          // Inform about import success
+          period = time.getPeriod(start, end)
+          importMsg.message =
+            `Importing ${this.typeName} ` +
+            `into a SQLite database is completed in ${period}.`
+          importMsg.type = 'success'
+
+          // Loading indicator for import is not needed anymore
+          clearTimeout(importLoadingIndicator)
+
+          this.importCompleted = true
+        } else {
+          parsingMsg.message = 'Parsing ended with errors.'
+          parsingMsg.type = 'info'
+          this.importMessages = this.importMessages.concat(parseResult.messages)
+        }
+      } catch (err) {
+        console.error(err)
+        if (parsingMsg.type === 'loading') {
+          parsingMsg.type = 'info'
+        }
+
+        if (importMsg.type === 'loading') {
+          importMsg.type = 'info'
+        }
+
+        this.importMessages.push({
+          message: err,
+          type: 'error'
+        })
+      }
+
+      clearTimeout(parsingLoadingIndicator)
+      clearTimeout(importLoadingIndicator)
+      this.db.deleteProgressCounter(progressCounterId)
+      this.disableDialog = false
+    },
+    async finish() {
+      this.$modal.hide(this.dialogName)
+      const stmt = this.getQueryExample()
+      const tabId = await this.$store.dispatch('addTab', { query: stmt })
+      this.$store.commit('setCurrentTabId', tabId)
+      this.importCompleted = false
+      this.$emit('finish')
+      events.send('inquiry.create', null, { auto: true })
+    },
+    getQueryExample() {
+      return this.isNdJson
+        ? this.getNdJsonQueryExample()
+        : this.isJson
+          ? this.getJsonQueryExample()
+          : [
+              '/*',
+              ` * Your CSV file has been imported into ${this.addedTable} table.`,
+              ' * You can run this SQL query to make all CSV records available for charting.',
+              ' */',
+              `SELECT * FROM "${this.addedTable}"`
+            ].join('\n')
+    },
+    getNdJsonQueryExample() {
+      try {
+        const firstRowJson = JSON.parse(this.previewData.values.doc[0])
+        const firstKey = Object.keys(firstRowJson)[0]
+        return [
+          '/*',
+          ` * Your NDJSON file has been imported into ${this.addedTable} table.`,
+          ` * Run this SQL query to get values of property ${firstKey} ` +
+            'and make them available for charting.',
+          ' */',
+          `SELECT doc->>'${firstKey}'`,
+          `FROM "${this.addedTable}"`
+        ].join('\n')
+      } catch (err) {
+        console.error(err)
+        return [
+          '/*',
+          ` * Your NDJSON file has been imported into ${this.addedTable} table.`,
+          ' */',
+          'SELECT *',
+          `FROM "${this.addedTable}"`
+        ].join('\n')
+      }
+    },
+    getJsonQueryExample() {
+      try {
+        const firstRowJson = JSON.parse(this.previewData.values.doc[0])
+        const firstKey = Object.keys(firstRowJson)[0]
+        return [
+          '/*',
+          ` * Your JSON file has been imported into ${this.addedTable} table.`,
+          ` * Run this SQL query to get values of property ${firstKey} ` +
+            'and make them available for charting.',
+          ' */',
+          'SELECT *',
+          `FROM "${this.addedTable}"`,
+          `JOIN json_each(doc, '$.${firstKey}')`
+        ].join('\n')
+      } catch (err) {
+        console.error(err)
+        return [
+          '/*',
+          ` * Your NDJSON file has been imported into ${this.addedTable} table.`,
+          ' */',
+          'SELECT *',
+          `FROM "${this.addedTable}"`
+        ].join('\n')
+      }
+    }
+  }
+}
+</script>
+
+<style>
+.import-modal {
+  width: 80%;
+  max-width: 1152px;
+  margin: auto;
+  left: 0 !important;
+}
+</style>
+
+<style scoped>
+.dialog-body {
+  padding-bottom: 0;
+}
+
+#csv-json-table-name {
+  margin-bottom: 24px;
+}
+
+.chars {
+  display: flex;
+  align-items: flex-end;
+  margin: 0 0 20px;
+}
+.char-input {
+  margin-right: 44px;
+}
+.preview-table {
+  margin-top: 18px;
+}
+
+.import-errors {
+  height: 136px;
+  margin-top: 8px;
+}
+.no-data {
+  margin-top: 32px;
+  background-color: white;
+  border-radius: 5px;
+  position: relative;
+  border: 1px solid var(--color-border-light);
+  box-sizing: border-box;
+  height: 147px;
+  font-size: 13px;
+  color: var(--color-text-base);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+</style>

src/components/DbUpload.vue

@@ -1,80 +0,0 @@
-<template>
-  <div class="db-upload-container">
-    <label for="assetsFieldHandle">
-      <div class="drop-area" @dragover="dragover" @dragleave="dragleave" @drop="drop">
-        <input
-          type="file"
-          id="assetsFieldHandle"
-          @change="loadDb"
-          ref="file"
-          accept=".db,.sqlite,.sqlite3"
-        />
-        <div class="text">
-          Drop the database file to upload here or click to choose a file from your computer.
-        </div>
-      </div>
-    </label>
-    <div id="error" class="error"></div>
-  </div>
-</template>
-
-<script>
-export default {
-  name: 'DbUpload',
-  methods: {
-    loadDb () {
-      this.$db.loadDb(this.$refs.file.files[0])
-    },
-    dragover (event) {
-      event.preventDefault()
-      // TODO: Add some visual stuff to show the user can drop its files
-      if (!event.currentTarget.classList.contains('bg-green-300')) {
-        event.currentTarget.classList.remove('bg-gray-100')
-        event.currentTarget.classList.add('bg-green-300')
-      }
-    },
-    dragleave (event) {
-      // Clean up
-      event.currentTarget.classList.add('bg-gray-100')
-      event.currentTarget.classList.remove('bg-green-300')
-    },
-    drop (event) {
-      event.preventDefault()
-      this.$refs.file.files = event.dataTransfer.files
-      this.loadDb()
-      // Clean up
-      event.currentTarget.classList.add('bg-gray-100')
-      event.currentTarget.classList.remove('bg-green-300')
-    }
-  }
-}
-</script>
-
-<style scoped>
-label {
-  display: inline-block;
-  border: 1px dashed var(--color-border);
-  padding: 8px;
-  border-radius: var(--border-radius-big);
-  height: 100%;
-  width: 100%;
-  box-sizing: border-box;
-}
-
-.drop-area {
-  background-color: var(--color-bg-light-3);
-  border-radius: var(--border-radius-big);
-  color: var(--color-text-base);
-  font-size: 13px;
-  text-align: center;
-  box-sizing: border-box;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  height: 100%;
-}
-
-input {
-  display: none;
-}
-</style>

src/components/DbUploader.vue

@@ -0,0 +1,276 @@
+<template>
+  <div class="db-uploader-container" :style="{ width }">
+    <change-db-icon v-if="type === 'small'" @click="browse" />
+    <div v-if="type === 'illustrated'" class="drop-area-container">
+      <div
+        class="drop-area"
+        @dragover.prevent="state = 'dragover'"
+        @dragleave.prevent="state = ''"
+        @drop.prevent="drop"
+        @click="browse"
+      >
+        <div class="text">
+          Drop the database, CSV, JSON or NDJSON file here or click to choose a
+          file from your computer.
+        </div>
+      </div>
+    </div>
+    <div v-if="type === 'illustrated'" id="img-container">
+      <img id="drop-file-top-img" src="~@/assets/images/top.svg" />
+      <img
+        id="left-arm-img"
+        :class="{ swing: state === 'dragover' }"
+        src="~@/assets/images/leftArm.svg"
+      />
+      <img
+        id="file-img"
+        ref="fileImg"
+        :class="{
+          swing: state === 'dragover',
+          fly: state === 'dropping',
+          hidden: state === 'dropped'
+        }"
+        src="~@/assets/images/file.png"
+      />
+      <img id="drop-file-bottom-img" src="~@/assets/images/bottom.svg" />
+      <img id="body-img" src="~@/assets/images/body.svg" />
+      <img
+        id="right-arm-img"
+        :class="{ swing: state === 'dragover' }"
+        src="~@/assets/images/rightArm.svg"
+      />
+    </div>
+    <div id="error" class="error"></div>
+
+    <!--Parse csv or json dialog  -->
+    <csv-json-import
+      ref="addCsvJson"
+      :file="file"
+      :db="newDb"
+      dialogName="importFromCsvJson"
+      @cancel="cancelImport"
+      @finish="finish"
+    />
+  </div>
+</template>
+
+<script>
+import fIo from '@/lib/utils/fileIo'
+import ChangeDbIcon from '@/components/svg/changeDb'
+import database from '@/lib/database'
+import CsvJsonImport from '@/components/CsvJsonImport'
+import events from '@/lib/utils/events'
+
+export default {
+  name: 'DbUploader',
+  components: {
+    ChangeDbIcon,
+    CsvJsonImport
+  },
+  props: {
+    type: {
+      type: String,
+      required: false,
+      default: 'small',
+      validator: value => {
+        return ['illustrated', 'small'].includes(value)
+      }
+    },
+    width: {
+      type: String,
+      required: false,
+      default: 'unset'
+    }
+  },
+  emits: [],
+  data() {
+    return {
+      state: '',
+      animationPromise: Promise.resolve(),
+      file: null,
+      newDb: null
+    }
+  },
+  mounted() {
+    if (this.type === 'illustrated') {
+      this.animationPromise = new Promise(resolve => {
+        this.$refs.fileImg.addEventListener('animationend', event => {
+          if (event.animationName.startsWith('fly')) {
+            this.state = 'dropped'
+            resolve()
+          }
+        })
+      })
+    }
+  },
+  methods: {
+    cancelImport() {
+      if (this.newDb) {
+        this.newDb.shutDown()
+        this.newDb = null
+      }
+    },
+
+    async finish() {
+      this.$store.commit('setDb', this.newDb)
+      if (this.$route.path !== '/workspace') {
+        this.$router.push('/workspace')
+      }
+    },
+
+    loadDb(file) {
+      return Promise.all([this.newDb.loadDb(file), this.animationPromise]).then(
+        this.finish
+      )
+    },
+
+    async checkFile(file) {
+      this.state = 'dropping'
+      this.newDb = database.getNewDatabase()
+
+      if (fIo.isDatabase(file)) {
+        this.loadDb(file)
+      } else {
+        const isJson = fIo.isJSON(file) || fIo.isNDJSON(file)
+        events.send('database.import', file.size, {
+          from: isJson ? 'json' : 'csv',
+          new_db: true
+        })
+
+        this.file = file
+        await this.$nextTick()
+        const csvJsonImportModal = this.$refs.addCsvJson
+        csvJsonImportModal.reset()
+        return Promise.all([
+          csvJsonImportModal.preview(),
+          this.animationPromise
+        ]).then(csvJsonImportModal.open)
+      }
+    },
+    browse() {
+      fIo
+        .getFileFromUser('.db,.sqlite,.sqlite3,.csv,.json,.ndjson')
+        .then(this.checkFile)
+    },
+
+    drop(event) {
+      this.checkFile(event.dataTransfer.files[0])
+    }
+  }
+}
+</script>
+
+<style scoped>
+.db-uploader-container {
+  position: relative;
+}
+.drop-area-container {
+  display: inline-block;
+  border: 1px dashed var(--color-border);
+  padding: 8px;
+  border-radius: var(--border-radius-big);
+  height: 100%;
+  width: 100%;
+  box-sizing: border-box;
+}
+
+.drop-area {
+  background-color: var(--color-bg-light-3);
+  border-radius: var(--border-radius-big);
+  color: var(--color-text-base);
+  font-size: 13px;
+  text-align: center;
+  box-sizing: border-box;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 100%;
+  cursor: pointer;
+}
+
+#img-container {
+  position: absolute;
+  top: 54px;
+  left: 50%;
+  transform: translate(-50%, 0);
+  width: 450px;
+  height: 338px;
+  pointer-events: none;
+}
+
+#drop-file-top-img {
+  width: 450px;
+  height: 175px;
+  position: absolute;
+  top: 0;
+  left: 0;
+}
+#drop-file-bottom-img {
+  width: 450px;
+  height: 167px;
+  position: absolute;
+  bottom: 0;
+  left: 0;
+}
+#body-img {
+  width: 74px;
+  position: absolute;
+  top: 94.05px;
+  left: 46px;
+}
+#right-arm-img {
+  width: 106px;
+  position: absolute;
+  top: 110.05px;
+  left: 78px;
+}
+#left-arm-img {
+  width: 114px;
+  position: absolute;
+  top: 69.05px;
+  left: 69px;
+}
+#file-img {
+  width: 125px;
+  position: absolute;
+  top: 15.66px;
+  left: 152px;
+}
+
+.swing {
+  animation: swing ease-in-out 0.6s infinite alternate;
+}
+#left-arm-img.swing {
+  transform-origin: 9px 83px;
+}
+#right-arm-img.swing {
+  transform-origin: 0 56px;
+}
+#file-img.swing {
+  transform-origin: -74px 139px;
+}
+@keyframes swing {
+  0% {
+    transform: rotate(0deg);
+  }
+  100% {
+    transform: rotate(-7deg);
+  }
+}
+
+#file-img.fly {
+  animation: fly ease-in-out 1s 1 normal;
+  transform-origin: center center;
+}
+@keyframes fly {
+  100% {
+    transform: rotate(360deg) scale(0.5);
+    top: 183px;
+    left: 225px;
+  }
+}
+
+#file-img.hidden {
+  display: none;
+}
+</style>

src/components/IconButton.vue

@@ -0,0 +1,124 @@
+<template>
+  <button
+    :class="['icon-btn', { active }]"
+    :disabled="disabled"
+    @click="onClick"
+    @mouseenter="showTooltip($event, tooltipPosition)"
+    @mouseleave="hideTooltip"
+  >
+    <div class="icon"><slot /></div>
+    <div v-show="loading" class="icon-in-progress">
+      <loading-indicator />
+    </div>
+    <span
+      v-if="tooltip"
+      ref="tooltip"
+      class="icon-tooltip"
+      :style="tooltipStyle"
+    >
+      {{ tooltip }}
+    </span>
+  </button>
+</template>
+
+<script>
+import tooltipMixin from '@/tooltipMixin'
+import LoadingIndicator from '@/components/LoadingIndicator'
+
+export default {
+  name: 'SideBarButton',
+  components: { LoadingIndicator },
+  mixins: [tooltipMixin],
+  props: {
+    active: Boolean,
+    disabled: Boolean,
+    tooltip: String,
+    tooltipPosition: String,
+    loading: Boolean
+  },
+  emits: ['click'],
+  methods: {
+    onClick() {
+      this.hideTooltip()
+      this.$emit('click')
+    }
+  }
+}
+</script>
+
+<style scoped>
+.icon-btn {
+  box-sizing: border-box;
+  width: 26px;
+  height: 26px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  position: relative;
+  background-color: transparent;
+  border: none;
+}
+.icon-btn:hover {
+  border: 1px solid var(--color-border);
+  border-radius: var(--border-radius-medium-2);
+}
+
+.icon-btn:hover .icon :deep(path),
+.icon-btn.active .icon :deep(path),
+.icon-btn:hover .icon :deep(circle),
+.icon-btn.active .icon :deep(circle) {
+  fill: var(--color-accent);
+}
+
+.icon-btn:disabled .icon :deep(path),
+.icon-btn:disabled .icon :deep(circle) {
+  fill: var(--color-border);
+}
+
+.icon-btn:disabled {
+  cursor: default;
+  pointer-events: none;
+}
+
+.disabled.icon-btn:hover .icon :deep(path) {
+  fill: var(--color-border);
+}
+
+.icon-in-progress {
+  position: absolute;
+  width: 26px;
+  height: 26px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background-color: var(--color-bg-light);
+  will-change: opacity;
+  /*
+    We need to show loader in 1 sec after starting query execution. We can't do that with
+    setTimeout because the main thread can be busy by getting a result set from the web worker.
+    But we can use CSS animation for opacity. Opacity triggers changes only in the Composite Layer
+    stage in rendering waterfall. Hence it can be processed only with Compositor Thread while
+    the Main Thread processes a result set.
+    https://www.viget.com/articles/animation-performance-101-browser-under-the-hood/
+  */
+  animation: show-loader 1s linear 0s 1;
+}
+
+@keyframes show-loader {
+  0% {
+    opacity: 0;
+  }
+  99% {
+    opacity: 0;
+  }
+  100% {
+    opacity: 1;
+  }
+}
+
+.icon {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+</style>

src/components/LoadingDialog.vue

@@ -0,0 +1,125 @@
+<template>
+  <modal
+    v-model="show"
+    class="dialog"
+    :clickToClose="false"
+    :contentTransition="{ name: 'loading-dialog' }"
+    :overlayTransition="{ name: 'loading-dialog' }"
+    @update:modelValue="$emit('update:modelValue', $event)"
+  >
+    <div class="dialog-header">
+      {{ title }}
+      <close-icon :disabled="loading" @click="cancel" />
+    </div>
+    <div class="dialog-body">
+      <div v-if="loading" class="loading-dialog-body">
+        <loading-indicator :size="30" class="state-icon" />
+        {{ loadingMsg }}
+      </div>
+      <div v-else class="loading-dialog-body">
+        <img
+          src="~@/assets/images/success.svg"
+          class="success-icon state-icon"
+        />
+        {{ successMsg }}
+      </div>
+    </div>
+    <div class="dialog-buttons-container">
+      <button
+        class="secondary"
+        type="button"
+        :disabled="loading"
+        @click="cancel"
+      >
+        Cancel
+      </button>
+      <button
+        class="primary"
+        type="button"
+        :disabled="loading"
+        @click="$emit('action')"
+      >
+        {{ actionBtnName }}
+      </button>
+    </div>
+  </modal>
+</template>
+
+<script>
+import LoadingIndicator from '@/components/LoadingIndicator'
+import CloseIcon from '@/components/svg/close'
+
+export default {
+  name: 'LoadingDialog',
+  components: { LoadingIndicator, CloseIcon },
+  props: {
+    modelValue: Boolean,
+    loadingMsg: String,
+    successMsg: String,
+    actionBtnName: String,
+    title: String,
+    loading: Boolean
+  },
+  data() {
+    return {
+      show: this.modelValue
+    }
+  },
+  emits: ['cancel', 'action', 'update:modelValue'],
+  watch: {
+    modelValue() {
+      this.show = this.modelValue
+    },
+    loading() {
+      if (this.loading) {
+        this.$emit('update:modelValue', true)
+      }
+    }
+  },
+  methods: {
+    cancel() {
+      this.$emit('cancel')
+      this.$emit('update:modelValue', false)
+    }
+  }
+}
+</script>
+
+<style>
+.loading-dialog-enter-active {
+  animation: show-modal 1s linear 0s 1;
+}
+.loading-dialog-leave-active {
+  opacity: 0;
+}
+
+@keyframes show-modal {
+  0% {
+    opacity: 0;
+  }
+  99% {
+    opacity: 0;
+  }
+  100% {
+    opacity: 1;
+  }
+}
+
+.loading-modal {
+  width: 400px;
+}
+</style>
+
+<style scoped>
+.loading-dialog-body {
+  display: flex;
+  align-items: center;
+}
+.success-icon {
+  width: 30px;
+}
+
+.state-icon {
+  margin-right: 8px;
+}
+</style>

src/components/LoadingIndicator.vue

@@ -0,0 +1,129 @@
+<template>
+  <svg
+    :class="animationClass"
+    :height="size"
+    :width="size"
+    :viewBox="`0 0 ${size} ${size}`"
+  >
+    <circle
+      class="loader-svg bg"
+      :style="{ strokeWidth }"
+      :cx="size / 2"
+      :cy="size / 2"
+      :r="radius"
+    />
+    <circle
+      class="loader-svg front"
+      :style="{
+        strokeDasharray: circleProgress,
+        strokeDashoffset: offset,
+        strokeWidth
+      }"
+      :cx="size / 2"
+      :cy="size / 2"
+      :r="radius"
+    />
+  </svg>
+</template>
+
+<script>
+export default {
+  name: 'LoadingIndicator',
+  props: {
+    progress: {
+      type: Number,
+      required: false
+    },
+    size: {
+      type: Number,
+      required: false,
+      default: 20
+    }
+  },
+  emits: [],
+  computed: {
+    circleProgress() {
+      const circle = this.radius * 3.14 * 2
+      const dash = this.progress
+        ? (circle * this.progress) / 100
+        : (circle * 1) / 3
+      const space = circle - dash
+      return `${dash}px, ${space}px`
+    },
+    animationClass() {
+      return this.progress === undefined ? 'loading' : 'progress'
+    },
+    radius() {
+      return this.size / 2 - this.strokeWidth
+    },
+    offset() {
+      return (this.radius * 3.14) / 2
+    },
+    strokeWidth() {
+      return this.size / 10
+    }
+  }
+}
+</script>
+
+<style scoped>
+.loader-svg {
+  position: absolute;
+  left: 0;
+  right: 0;
+  top: 0;
+  bottom: 0;
+  fill: none;
+  stroke-linecap: round;
+  stroke: var(--color-accent);
+}
+
+.loader-svg.bg {
+  stroke: var(--color-gray-light-3);
+}
+
+.loading .loader-svg.front {
+  will-change: transform;
+  animation: fill-animation-loading 1s cubic-bezier(1, 1, 1, 1) 0s infinite;
+  transform-origin: center;
+}
+
+/*
+  We can't change anything in loading animation except transform, opacity and filter. Because in
+  our case the Main Thread can be busy and animation will be frozen (e. g. getting a result set
+  from the web-worker after query execution).
+  But transform, opacity and filter trigger changes only in the Composite Layer stage in rendering
+  waterfall. Hence they can be processed only with Compositor Thread while the Main Thread
+  processes something else.
+  https://www.viget.com/articles/animation-performance-101-browser-under-the-hood/
+*/
+@keyframes fill-animation-loading {
+  0% {
+    transform: rotate(0deg);
+  }
+  100% {
+    transform: rotate(360deg);
+  }
+}
+
+.progress .loader-svg.front {
+  transition: stroke-dasharray 0.2s;
+}
+
+.progress .loader-svg.bg {
+  animation: bg-animation 1.5s cubic-bezier(1, 1, 1, 1) 0s infinite;
+}
+
+@keyframes bg-animation {
+  0% {
+    r: 8;
+  }
+  50% {
+    stroke: var(--color-gray-light-2);
+    r: 9;
+  }
+  100% {
+    r: 8;
+  }
+}
+</style>

src/components/Logs.vue

@@ -0,0 +1,94 @@
+<template>
+  <div ref="logsContainer" class="logs-container">
+    <div v-for="(msg, index) in messages" :key="index" class="msg">
+      <img v-if="msg.type === 'error'" src="~@/assets/images/error.svg" />
+      <img
+        v-if="msg.type === 'info'"
+        src="~@/assets/images/info.svg"
+        width="20px"
+      />
+      <img v-if="msg.type === 'success'" src="~@/assets/images/success.svg" />
+      <loading-indicator
+        v-if="msg.type === 'loading'"
+        :progress="msg.progress"
+      />
+      <span class="msg-text">{{ serializeMessage(msg) }}</span>
+    </div>
+  </div>
+</template>
+
+<script>
+import LoadingIndicator from '@/components/LoadingIndicator'
+
+export default {
+  name: 'Logs',
+  components: { LoadingIndicator },
+  props: { messages: Array },
+  emits: [],
+  watch: {
+    'messages.length': 'scrollToBottom'
+  },
+  mounted() {
+    this.scrollToBottom()
+  },
+  methods: {
+    async scrollToBottom() {
+      const container = this.$refs.logsContainer
+      if (container) {
+        await this.$nextTick()
+        container.scrollTop = container.scrollHeight
+      }
+    },
+
+    serializeMessage(msg) {
+      let result = ''
+      if (msg.row !== null && msg.row !== undefined) {
+        if (msg.type === 'error') {
+          result += `Error in row ${msg.row}. `
+        } else {
+          result += `Information about row ${msg.row}. `
+        }
+      }
+
+      result += msg.message
+      if (!/(\.|!|\?)$/.test(result)) {
+        result += '.'
+      }
+
+      if (msg.hint) {
+        result += ` ${msg.hint}`
+      }
+      return result
+    }
+  }
+}
+</script>
+
+<style scoped>
+.logs-container {
+  background-color: var(--color-white);
+  padding: 0 5px;
+  border-radius: 5px;
+  border: 1px solid var(--color-border-light);
+  box-sizing: border-box;
+  overflow-y: auto;
+  color: var(--color-text-base);
+}
+.msg {
+  padding: 12px 7px;
+  border-bottom: 1px solid var(--color-border-light);
+  display: flex;
+  align-items: flex-start;
+  font-family: monospace;
+  font-size: 13px;
+}
+
+.msg:last-child {
+  border-bottom: none;
+}
+
+.msg-text {
+  margin-left: 6px;
+  margin-top: 2px;
+}
+</style>

src/components/MainMenu.vue

@@ -1,205 +0,0 @@
-<template>
-  <nav>
-    <div>
-      <router-link to="/editor">Editor</router-link>
-      <router-link to="/my-queries">My queries</router-link>
-    </div>
-    <div>
-      <button
-        v-if="currentQuery"
-        class="primary"
-        :disabled="currentQuery && (!$store.state.schema || !currentQuery.query)"
-        @click="currentQuery.execute"
-      >
-        Run
-      </button>
-      <button
-        v-if="currentQuery"
-        class="primary"
-        :disabled="currentQuery && !currentQuery.isUnsaved"
-        @click="checkQueryBeforeSave"
-      >
-        Save
-      </button>
-      <button class="primary" @click="createNewQuery">Create</button>
-    </div>
-
-    <!--Save Query dialog  -->
-    <modal name="save" classes="dialog" height="auto">
-      <div class="dialog-header">
-        Save query
-        <close-icon @click="$modal.hide('save')"/>
-      </div>
-      <div class="dialog-body">
-        <div v-show="isPredefined" id="save-note">
-          <img :src="require('@/assets/images/info.svg')">
-          Note: Predefined queries can't be edited.
-          That's why your modifications will be saved as a new query. Enter the name for it.
-        </div>
-        <text-field
-          label="Query name"
-          :error-msg="errorMsg"
-          v-model="name"
-          width="100%"
-        />
-      </div>
-      <div class="dialog-buttons-container">
-        <button class="secondary" @click="$modal.hide('save')">Cancel</button>
-        <button class="primary" @click="saveQuery">Save</button>
-      </div>
-    </modal>
-  </nav>
-</template>
-
-<script>
-import { nanoid } from 'nanoid'
-import TextField from '@/components/TextField'
-import CloseIcon from '@/components/svg/close'
-
-export default {
-  name: 'MainMenu',
-  components: {
-    TextField,
-    CloseIcon
-  },
-  data () {
-    return {
-      name: '',
-      errorMsg: null
-    }
-  },
-  computed: {
-    currentQuery () {
-      return this.$store.state.currentTab
-    },
-    isPredefined () {
-      if (this.currentQuery) {
-        return this.currentQuery.isPredefined
-      } else {
-        return false
-      }
-    }
-  },
-  created () {
-    this.$root.$on('createNewQuery', this.createNewQuery)
-  },
-  methods: {
-    createNewQuery () {
-      const tab = {
-        id: nanoid(),
-        name: null,
-        tempName: this.$store.state.untitledLastIndex
-          ? `Untitled ${this.$store.state.untitledLastIndex}`
-          : 'Untitled',
-        isUnsaved: true
-      }
-      this.$store.commit('addTab', tab)
-      this.$store.commit('setCurrentTabId', tab.id)
-    },
-    checkQueryBeforeSave () {
-      this.errorMsg = null
-      const isFromScratch = !this.currentQuery.initName
-
-      if (isFromScratch || this.isPredefined) {
-        this.$modal.show('save')
-      } else {
-        this.saveQuery()
-      }
-    },
-    saveQuery () {
-      const isFromScratch = !this.currentQuery.initName
-      if ((isFromScratch || this.isPredefined) && !this.name) {
-        this.errorMsg = 'Query name can\'t be empty'
-        return
-      }
-      const dataSet = this.currentQuery.result
-      const tabView = this.currentQuery.view
-      // Prepare query
-      const value = {
-        id: this.isPredefined ? nanoid() : this.currentQuery.id,
-        query: this.currentQuery.query,
-        chart: this.currentQuery.getChartSatateForSave(),
-        name: (!this.isPredefined && this.currentQuery.initName) || this.name,
-        createdAt: new Date()
-      }
-
-      // Save query
-      let myQueries = JSON.parse(localStorage.getItem('myQueries'))
-      if (!myQueries) {
-        myQueries = [value]
-      } else if (isFromScratch || this.isPredefined) {
-        myQueries.push(value)
-      } else {
-        const queryIndex = myQueries.findIndex(query => query.id === this.currentQuery.id)
-        value.createdAt = myQueries[queryIndex].createdAt
-        myQueries[queryIndex] = value
-      }
-      localStorage.setItem('myQueries', JSON.stringify(myQueries))
-
-      // Update tab
-      this.$store.commit('updateTab', {
-        index: this.currentQuery.tabIndex,
-        name: value.name,
-        id: value.id,
-        query: value.query,
-        chart: value.chart,
-        isUnsaved: false
-      })
-
-      // Restore data:
-      // e.g. if we save predefined query the tab will be created again
-      // (because of new id) and
-      // it will be without sql result and has default view - table.
-      // That's why we need to restore data and view
-      this.$nextTick(() => {
-        this.currentQuery.result = dataSet
-        this.currentQuery.view = tabView
-      })
-
-      // Hide dialog
-      this.$modal.hide('save')
-    }
-  }
-}
-</script>
-
-<style scoped>
-nav {
-  height: 68px;
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  background-color: var(--color-bg-light);
-  border-bottom: 1px solid var(--color-border-light);
-  box-shadow: var(--shadow-1);
-  box-sizing: border-box;
-  position: fixed;
-  top: 0;
-  left: 0;
-  width: 100vw;
-  padding: 0 52px;
-  z-index: 999;
-}
-a {
-  font-size: 18px;
-  color: var(--color-text-base);
-  text-transform: none;
-  text-decoration: none;
-  margin-right: 28px;
-}
-a.router-link-active {
-  color: var(--color-accent);
-}
-button {
-  margin-left: 16px;
-}
-
-#save-note {
-  margin-bottom: 24px;
-  display: flex;
-  align-items: flex-start;
-}
-#save-note img {
-  margin: -3px 6px 0 0;
-}
-</style>

src/components/Pager.vue

@@ -1,97 +0,0 @@
-<template>
-  <paginate
-    :page-count="pageCount"
-    :page-range="5"
-    :margin-pages="1"
-    :prev-text="chevron"
-    :next-text="chevron"
-    :no-li-surround="true"
-    container-class="paginator-continer"
-    page-link-class="paginator-page-link"
-    active-class="paginator-active-page"
-    break-view-link-class="paginator-break"
-    next-link-class="paginator-next"
-    prev-link-class="paginator-prev"
-    disabled-class="paginator-disabled"
-    v-model="page"
-  />
-</template>
-
-<script>
-import Paginate from 'vuejs-paginate'
-
-export default {
-  name: 'Pager',
-  components: { Paginate },
-  props: ['pageCount', 'value'],
-  data () {
-    return {
-      page: this.value,
-      chevron: `
-        <svg width="9" height="9" viewBox="0 0 8 12" fill="none" xmlns="http://www.w3.org/2000/svg">
-        <path d="M0.721924 9.93097L4.85292 5.79997L0.721924 1.66897L1.99992 0.399973L7.39992 5.79997L1.99992 11.2L0.721924 9.93097Z" fill="#506784"/>
-        </svg>
-      `
-    }
-  },
-  watch: {
-    page () {
-      this.$emit('input', this.page)
-    },
-    value () {
-      this.page = this.value
-    }
-  }
-}
-</script>
-
-<style scoped>
-.paginator-continer {
-  display: flex;
-  align-items: center;
-}
->>> .paginator-page-link {
-  padding: 2px 3px;
-  margin: 0 5px;
-  display: block;
-  color: var(--color-text-base);
-  font-size: 11px;
-}
->>> .paginator-page-link:hover {
-  color: var(--color-text-active);
-}
->>> .paginator-page-link:active,
->>> .paginator-page-link:visited,
->>> .paginator-page-link:focus,
->>> .paginator-next:active,
->>> .paginator-next:visited,
->>> .paginator-next:focus,
->>> .paginator-prev:active,
->>> .paginator-prev:visited,
->>> .paginator-prev:focus {
-  outline: none;
-}
-
->>> .paginator-active-page,
->>> .paginator-active-page:hover {
-  color: var(--color-accent);
-}
-
->>> .paginator-break:hover,
->>> .paginator-disabled:hover {
-  cursor: default;
-}
-
->>> .paginator-prev svg {
-  transform: rotate(180deg);
-}
-
->>> .paginator-next:hover path,
->>> .paginator-prev:hover path {
-   fill: var(--color-text-active);
-}
->>> .paginator-disabled path,
->>> .paginator-disabled:hover path {
-  fill: var(--color-text-light-2);
-}
-</style>

src/components/Schema.vue

@@ -1,128 +0,0 @@
-<template>
-  <div id="schema-container">
-    <div id="schema-filter">
-      <text-field placeholder="Search table" width="100%" v-model="filter"/>
-    </div>
-    <div id="db">
-      <div @click="schemaVisible = !schemaVisible" class="db-name">
-        <svg
-          :style="{ transform: schemaVisible ? 'rotate(90deg)' : 'rotate(0)' }"
-          class="chevron-icon"
-          width="9"
-          height="9"
-          viewBox="0 0 8 12"
-          fill="none"
-          xmlns="http://www.w3.org/2000/svg"
-        >
-          <path
-            d="M0.721924 9.93097L4.85292 5.79997L0.721924 1.66897L1.99992 0.399973L7.39992 5.79997L1.99992 11.2L0.721924 9.93097Z"
-            :fill="schemaVisible ? '#506784' : 'rgba(80, 103, 132, 0.5)'"
-          />
-        </svg>
-        {{ dbName }}
-      </div>
-      <div class="db-edit">
-        <input type="file" id="actual-btn"  ref="dbfile" hidden @change="changeDb"/>
-        <label for="actual-btn">
-          <change-db-icon />
-        </label>
-      </div>
-    </div>
-    <div v-if="schemaVisible" class="schema">
-      <table-description
-        v-for="table in schema"
-        :key="table.name"
-        :name="table.name"
-        :columns="table.columns"
-      />
-    </div>
-  </div>
-</template>
-
-<script>
-import TableDescription from '@/components/TableDescription'
-import TextField from '@/components/TextField'
-import ChangeDbIcon from '@/components/svg/changeDb'
-
-export default {
-  name: 'Schema',
-  components: {
-    TableDescription,
-    TextField,
-    ChangeDbIcon
-  },
-  data () {
-    return {
-      schemaVisible: true,
-      filter: null
-    }
-  },
-  computed: {
-    schema () {
-      if (!this.$store.state.schema) {
-        return []
-      }
-
-      return !this.filter
-        ? this.$store.state.schema
-        : this.$store.state.schema.filter(
-          table => table[0].toUpperCase().indexOf(this.filter.toUpperCase()) !== -1
-        )
-    },
-    dbName () {
-      return this.$store.state.dbName
-    }
-  },
-  methods: {
-    changeDb () {
-      this.$db.loadDb(this.$refs.dbfile.files[0])
-    }
-  }
-}
-</script>
-
-<style scoped>
-#schema-container {
-  position: relative;
-  padding-bottom: 24px;
-}
-
-.schema {
-  margin-left: 12px;
-  padding: 0 12px;
-}
-#schema-filter {
-  padding: 32px 12px;
-  position: sticky;
-  position: -webkit-sticky;
-  top: 0;
-  width: 100%;
-  height: 100px;
-  box-sizing: border-box;
-  background-image: linear-gradient(white 73%, transparent);;
-  z-index: 2;
-}
-.schema, .db-name {
-  color: var(--color-text-base);
-  font-size: 13px;
-  white-space: nowrap;
-}
-#db {
-  display: flex;
-  align-items: center;
-  margin-top: -5px;
-  padding: 0 12px;
-}
-
-.db-name {
-  cursor: pointer;
-}
->>> .chevron-icon {
-  -webkit-transition: transform .15s ease-in-out;
-  transition: transform .15s ease-in-out;
-}
-.db-name:hover .chevron-icon path,
->>> .table-name:hover .chevron-icon path {
-  fill: #506784;
-}
-</style>

src/components/Splitpanes.vue

@@ -1,385 +0,0 @@
-<template>
-  <div
-    ref="container"
-    :class="[
-      'splitpanes',
-      `splitpanes--${horizontal ? 'horizontal' : 'vertical'}`,
-      { 'splitpanes--dragging': touch.dragging }
-    ]"
-  >
-    <div class="movable-splitter" ref="movableSplitter" :style="movableSplitterStyle" />
-    <div
-      class="splitpanes__pane"
-      ref="left"
-      :size="paneBefore.size"
-      max-size="30"
-      :style="styles.before"
-    >
-      <slot name="left-pane" />
-    </div>
-    <!-- Splitter start-->
-    <div
-      class="splitpanes__splitter"
-      @mousedown="onMouseDown"
-      @touchstart="onMouseDown"
-    >
-      <div
-        :class="[
-          'toggle-btns',
-          {'both': after.max === 100 && before.max === 100 && after.size > 0 && before.size > 0}
-        ]"
-      >
-        <div
-          v-if="after.max === 100  && after.size > 0"
-          class="toggle-btn"
-          @click="togglePane('before')"
-        >
-          <img
-            class="direction-icon"
-            :src="require('@/assets/images/chevron.svg')"
-            :style="directionBeforeIconStyle"
-          >
-        </div>
-        <div
-          v-if="before.max === 100 && before.size > 0"
-          class="toggle-btn"
-          @click="togglePane('after')"
-        >
-          <img
-            class="direction-icon"
-            :src="require('@/assets/images/chevron.svg')"
-            :style="directionAfterIconStyle"
-          >
-        </div>
-      </div>
-    </div>
-    <!-- splitter end -->
-    <div
-      class="splitpanes__pane"
-      ref="right"
-      :style="styles.after"
-    >
-      <slot name="right-pane" />
-    </div>
-  </div>
-</template>
-
-<script>
-
-export default {
-  name: 'Splitpanes',
-  props: {
-    horizontal: { type: Boolean, default: false },
-    before: { type: Object },
-    after: { type: Object }
-  },
-  data () {
-    return {
-      container: null,
-      paneBefore: this.before,
-      paneAfter: this.after,
-      beforeMinimising: {
-        before: this.before.size,
-        after: this.after.size
-      },
-      touch: {
-        mouseDown: false,
-        dragging: false
-      },
-      movableSplitter: {
-        top: 0,
-        left: 0,
-        visibility: 'hidden'
-      }
-    }
-  },
-  computed: {
-    styles () {
-      return {
-        before: { [this.horizontal ? 'height' : 'width']: `${this.paneBefore.size}%` },
-        after: { [this.horizontal ? 'height' : 'width']: `${this.paneAfter.size}%` }
-      }
-    },
-    movableSplitterStyle () {
-      const style = { ...this.movableSplitter }
-      style.top += '%'
-      style.left += '%'
-      return style
-    },
-    directionBeforeIconStyle () {
-      const expanded = this.paneBefore.size !== 0
-      const translation = 'translate(-50%, -50%)'
-      if (this.horizontal) {
-        return {
-          transform: `${translation} ${expanded ? 'rotate(90deg)' : 'rotate(-90deg)'}`
-        }
-      } else {
-        return {
-          transform: `${translation} ${expanded ? 'rotate(0deg)' : 'rotate(180deg)'}`
-        }
-      }
-    },
-    directionAfterIconStyle () {
-      const expanded = this.paneAfter.size !== 0
-      const translation = 'translate(-50%, -50%)'
-      if (this.horizontal) {
-        return {
-          transform: `${translation} ${expanded ? 'rotate(-90deg)' : 'rotate(90deg)'}`
-        }
-      } else {
-        return {
-          transform: `${translation} ${expanded ? 'rotate(180deg)' : 'rotate(0deg)'}`
-        }
-      }
-    }
-  },
-
-  methods: {
-    bindEvents () {
-      document.addEventListener('mousemove', this.onMouseMove, { passive: false })
-      document.addEventListener('mouseup', this.onMouseUp)
-
-      // Passive: false to prevent scrolling while touch dragging.
-      if ('ontouchstart' in window) {
-        document.addEventListener('touchmove', this.onMouseMove, { passive: false })
-        document.addEventListener('touchend', this.onMouseUp)
-      }
-    },
-
-    unbindEvents () {
-      document.removeEventListener('mousemove', this.onMouseMove, { passive: false })
-      document.removeEventListener('mouseup', this.onMouseUp)
-
-      if ('ontouchstart' in window) {
-        document.removeEventListener('touchmove', this.onMouseMove, { passive: false })
-        document.removeEventListener('touchend', this.onMouseUp)
-      }
-    },
-
-    onMouseDown () {
-      this.bindEvents()
-      this.touch.mouseDown = true
-    },
-
-    onMouseMove (event) {
-      if (this.touch.mouseDown) {
-        // Prevent scrolling while touch dragging (only works with an active event, eg. passive: false).
-        event.preventDefault()
-        this.touch.dragging = true
-        this.$set(this.movableSplitter, 'visibility', 'visible')
-        this.moveSplitter(event)
-      }
-    },
-
-    onMouseUp () {
-      this.touch.mouseDown = false
-      if (this.touch.dragging) {
-        const dragPercentage = this.horizontal
-          ? this.movableSplitter.top
-          : this.movableSplitter.left
-
-        this.paneBefore.size = dragPercentage
-        this.paneAfter.size = 100 - dragPercentage
-
-        this.movableSplitter = {
-          top: 0,
-          left: 0,
-          visibility: 'hidden'
-        }
-      }
-
-      // Keep dragging flag until click event is finished (click happens immediately after mouseup)
-      // in order to prevent emitting `splitter-click` event if splitter was dragged.
-      setTimeout(() => {
-        this.touch.dragging = false
-        this.unbindEvents()
-      }, 100)
-    },
-
-    // Get the cursor position relative to the splitpane container.
-    getCurrentMouseDrag (event) {
-      const rect = this.container.getBoundingClientRect()
-      const { clientX, clientY } = ('ontouchstart' in window && event.touches)
-        ? event.touches[0]
-        : event
-      return {
-        x: clientX - rect.left,
-        y: clientY - rect.top
-      }
-    },
-
-    // Returns the drag percentage of the splitter relative to the 2 panes it's inbetween.
-    // if the sum of size of the 2 cells is 60%, the dragPercentage range will be 0 to 100% of this 60%.
-    getCurrentDragPercentage (drag) {
-      drag = drag[this.horizontal ? 'y' : 'x']
-      // In the code bellow 'size' refers to 'width' for vertical and 'height' for horizontal layout.
-      const containerSize = this.container[this.horizontal ? 'clientHeight' : 'clientWidth']
-      return drag * 100 / containerSize
-    },
-
-    moveSplitter (event) {
-      const dragPercentage = this.getCurrentDragPercentage(this.getCurrentMouseDrag(event))
-      const paneBefore = this.paneBefore
-      const paneAfter = this.paneAfter
-
-      const paneBeforeMaxReached = paneBefore.max < 100 && (dragPercentage >= paneBefore.max)
-      const paneAfterMaxReached = paneAfter.max < 100 && (dragPercentage <= 100 - paneAfter.max)
-
-      const dir = this.horizontal ? 'top' : 'left'
-
-      // Prevent dragging beyond pane max.
-      if (paneBeforeMaxReached || paneAfterMaxReached) {
-        if (paneBeforeMaxReached) {
-          this.$set(this.movableSplitter, dir, paneBefore.max)
-        } else {
-          this.$set(this.movableSplitter, dir, Math.max(100 - paneAfter.max, 0))
-        }
-      } else {
-        this.$set(this.movableSplitter, dir, Math.min(Math.max(dragPercentage, 0), paneBefore.max))
-      }
-    },
-    togglePane (toggledPane) {
-      const pane = toggledPane === 'before' ? this.paneBefore : this.paneAfter
-      if (pane.size > 0) {
-        this.beforeMinimising.before = this.paneBefore.size
-        this.beforeMinimising.after = this.paneAfter.size
-        pane.size = 0
-        const otherPane = toggledPane === 'before' ? this.paneAfter : this.paneBefore
-        otherPane.size = 100 - pane.size
-      } else {
-        this.paneBefore.size = this.beforeMinimising.before
-        this.paneAfter.size = this.beforeMinimising.after
-      }
-    }
-  },
-  mounted () {
-    this.container = this.$refs.container
-  }
-}
-</script>
-
-<style>
-.splitpanes {
-  display: flex;
-  height: 100%;
-  position: relative;
-}
-
-.splitpanes--vertical {flex-direction: row;}
-.splitpanes--horizontal {flex-direction: column;}
-.splitpanes--dragging * {user-select: none;}
-
-.splitpanes__pane {
-  width: 100%;
-  height: 100%;
-  overflow: auto;
-}
-
-/* Splitter */
-
-.splitpanes--vertical > .splitpanes__splitter,
-.splitpanes--vertical.splitpanes--dragging {
-  cursor: col-resize;
-}
-.splitpanes--horizontal > .splitpanes__splitter,
-.splitpanes--horizontal.splitpanes--dragging {
-  cursor: row-resize;
-}
-
-.splitpanes__splitter {
-  touch-action: none;
-  background-color: var(--color-bg-light);
-  box-sizing: border-box;
-  position: relative;
-  flex-shrink: 0;
-  z-index: 1;
-}
-
-.splitpanes--horizontal > .splitpanes__splitter {
-  border-top: 1px solid var(--color-border-light);
-  border-bottom: 1px solid var(--color-border-light);
-}
-
-.splitpanes--vertical > .splitpanes__splitter {
-  border-left: 1px solid var(--color-border-light);
-  border-right: 1px solid var(--color-border-light);
-}
-
-.movable-splitter {
-  position: absolute;
-  background-color:rgba(162, 177, 198, 0.5);
-}
-
-.splitpanes--vertical > .splitpanes__splitter,
-.splitpanes--vertical > .movable-splitter {
-  width: 8px;
-  z-index: 5;
-  height: 100%
-}
-
-.splitpanes--horizontal > .splitpanes__splitter,
-.splitpanes--horizontal > .movable-splitter {
-  height: 8px;
-  width: 100%;
-  z-index: 5;
-}
-/* Toggle buttons */
-.toggle-btns {
-  position: absolute;
-  top: 50%;
-  left: 50%;
-  transform: translate(-50%, -50%);
-  display: flex;
-}
-
-.splitpanes--vertical > .splitpanes__splitter .toggle-btns {
-  flex-direction: column;
-}
-
-.splitpanes--horizontal > .splitpanes__splitter .toggle-btns {
-  flex-direction: row;
-}
-
-.toggle-btn {
-  background-color: var(--color-border-light);
-  border-radius: var(--border-radius-small);
-  border: 1px solid var(--color-border);
-  box-sizing: border-box;
-  position: relative;
-  cursor: pointer;
-}
-
-.splitpanes--vertical > .splitpanes__splitter .toggle-btn {
-  height: 49px;
-  width: 8px;
-}
-
-.splitpanes--horizontal > .splitpanes__splitter .toggle-btn {
-  width: 49px;
-  height: 8px;
-}
-
-.toggle-btn .direction-icon {
-  position: absolute;
-  top: 50%;
-  left: 50%;
-}
-
-.splitpanes--horizontal > .splitpanes__splitter .toggle-btns.both .toggle-btn:first-child {
-  border-radius: var(--border-radius-small) 0 0 var(--border-radius-small);
-}
-
-.splitpanes--horizontal > .splitpanes__splitter .toggle-btns.both .toggle-btn:last-child {
-  border-radius: 0 var(--border-radius-small) var(--border-radius-small) 0;
-  margin-left: -1px;
-}
-
-.splitpanes--vertical > .splitpanes__splitter .toggle-btns.both .toggle-btn:first-child {
-  border-radius: var(--border-radius-small) var(--border-radius-small) 0 0;
-}
-
-.splitpanes--vertical > .splitpanes__splitter .toggle-btns.both .toggle-btn:last-child {
-  border-radius: 0 0 var(--border-radius-small) var(--border-radius-small);
-  margin-top: -1px;
-}
-</style>

src/components/Splitpanes/index.vue

@@ -0,0 +1,394 @@
+<template>
+  <div
+    ref="container"
+    :class="[
+      'splitpanes',
+      `splitpanes-${horizontal ? 'horizontal' : 'vertical'}`,
+      { 'splitpanes-dragging': dragging }
+    ]"
+  >
+    <div
+      ref="movableSplitter"
+      class="movable-splitter"
+      :style="movableSplitterStyle"
+    />
+    <div
+      ref="left"
+      class="splitpanes-pane"
+      :size="paneBefore.size"
+      max-size="30"
+      :style="styles.before"
+    >
+      <slot name="left-pane" />
+    </div>
+    <!-- Splitter start-->
+    <div
+      class="splitpanes-splitter"
+      @mousedown="bindEvents"
+      @touchstart="bindEvents"
+    >
+      <div
+        :class="[
+          'toggle-btns',
+          {
+            both:
+              after.max === 100 &&
+              before.max === 100 &&
+              paneAfter.size > 0 &&
+              paneBefore.size > 0
+          }
+        ]"
+      >
+        <div
+          v-if="after.max === 100 && paneAfter.size > 0"
+          class="toggle-btn"
+          @click="togglePane(paneBefore)"
+        >
+          <img
+            class="direction-icon"
+            src="~@/assets/images/chevron.svg"
+            :style="directionBeforeIconStyle"
+          />
+        </div>
+        <div
+          v-if="before.max === 100 && paneBefore.size > 0"
+          class="toggle-btn"
+          @click="togglePane(paneAfter)"
+        >
+          <img
+            class="direction-icon"
+            src="~@/assets/images/chevron.svg"
+            :style="directionAfterIconStyle"
+          />
+        </div>
+      </div>
+    </div>
+    <!-- splitter end -->
+    <div ref="right" class="splitpanes-pane" :style="styles.after">
+      <slot name="right-pane" />
+    </div>
+  </div>
+</template>
+
+<script>
+import splitter from './splitter'
+
+export default {
+  name: 'Splitpanes',
+  props: {
+    horizontal: { type: Boolean, default: false },
+    before: { type: Object },
+    after: { type: Object },
+    default: {
+      type: Object,
+      default: () => {
+        return {
+          before: 50,
+          after: 50
+        }
+      }
+    }
+  },
+  emits: [],
+  data() {
+    return {
+      container: null,
+      paneBefore: this.before,
+      paneAfter: this.after,
+      beforeMinimising:
+        !this.after.size || !this.before.size
+          ? this.default
+          : {
+              before: this.before.size,
+              after: this.after.size
+            },
+      dragging: false,
+      movableSplitter: {
+        top: 0,
+        left: 0,
+        visibility: 'hidden'
+      }
+    }
+  },
+  computed: {
+    styles() {
+      return {
+        before: {
+          [this.horizontal ? 'height' : 'width']: `${this.paneBefore.size}%`
+        },
+        after: {
+          [this.horizontal ? 'height' : 'width']: `${this.paneAfter.size}%`
+        }
+      }
+    },
+    movableSplitterStyle() {
+      const style = { ...this.movableSplitter }
+      style.top += '%'
+      style.left += '%'
+      return style
+    },
+    directionBeforeIconStyle() {
+      const expanded = this.paneBefore.size !== 0
+      const translation = 'translate(-50%, -50%) '
+      let rotation = ''
+
+      if (this.horizontal) {
+        rotation = expanded ? 'rotate(90deg)' : 'rotate(-90deg)'
+      } else {
+        rotation = expanded ? 'rotate(0deg)' : 'rotate(180deg)'
+      }
+
+      return {
+        transform: translation + rotation
+      }
+    },
+    directionAfterIconStyle() {
+      const expanded = this.paneAfter.size !== 0
+      const translation = 'translate(-50%, -50%)'
+      let rotation = ''
+
+      if (this.horizontal) {
+        rotation = expanded ? 'rotate(-90deg)' : 'rotate(90deg)'
+      } else {
+        rotation = expanded ? 'rotate(180deg)' : 'rotate(0deg)'
+      }
+
+      return {
+        transform: translation + rotation
+      }
+    }
+  },
+  mounted() {
+    this.container = this.$refs.container
+  },
+
+  methods: {
+    bindEvents() {
+      // Passive: false to prevent scrolling while touch dragging.
+      document.addEventListener('mousemove', this.onMouseMove, {
+        passive: false
+      })
+      document.addEventListener('mouseup', this.onMouseUp)
+
+      if ('ontouchstart' in window) {
+        document.addEventListener('touchmove', this.onMouseMove, {
+          passive: false
+        })
+        document.addEventListener('touchend', this.onMouseUp)
+      }
+    },
+
+    unbindEvents() {
+      document.removeEventListener('mousemove', this.onMouseMove, {
+        passive: false
+      })
+      document.removeEventListener('mouseup', this.onMouseUp)
+
+      if ('ontouchstart' in window) {
+        document.removeEventListener('touchmove', this.onMouseMove, {
+          passive: false
+        })
+        document.removeEventListener('touchend', this.onMouseUp)
+      }
+    },
+
+    onMouseMove(event) {
+      event.preventDefault()
+      this.dragging = true
+      this.movableSplitter.visibility = 'visible'
+      this.moveSplitter(event)
+    },
+
+    onMouseUp() {
+      if (this.dragging) {
+        const dragPercentage = this.horizontal
+          ? this.movableSplitter.top
+          : this.movableSplitter.left
+
+        this.paneBefore.size = dragPercentage
+        this.paneAfter.size = 100 - dragPercentage
+
+        this.movableSplitter = {
+          top: 0,
+          left: 0,
+          visibility: 'hidden'
+        }
+
+        this.dragging = false
+      }
+
+      this.unbindEvents()
+    },
+
+    moveSplitter(event) {
+      const splitterInfo = {
+        container: this.container,
+        paneBeforeMax: this.paneBefore.max,
+        paneAfterMax: this.paneAfter.max,
+        isHorisontal: this.horizontal
+      }
+      const offset = splitter.calculateOffset(event, splitterInfo)
+      const dir = this.horizontal ? 'top' : 'left'
+      this.movableSplitter[dir] = offset
+    },
+
+    togglePane(pane) {
+      if (pane.size > 0) {
+        this.beforeMinimising.before = this.paneBefore.size
+        this.beforeMinimising.after = this.paneAfter.size
+        pane.size = 0
+        const otherPane =
+          pane === this.paneBefore ? this.paneAfter : this.paneBefore
+        otherPane.size = 100 - pane.size
+      } else {
+        this.paneBefore.size = this.beforeMinimising.before
+        this.paneAfter.size = this.beforeMinimising.after
+      }
+    }
+  }
+}
+</script>
+
+<style>
+.splitpanes {
+  display: flex;
+  height: 100%;
+  position: relative;
+}
+
+.splitpanes-vertical {
+  flex-direction: row;
+}
+.splitpanes-horizontal {
+  flex-direction: column;
+}
+.splitpanes-dragging * {
+  user-select: none;
+}
+
+.splitpanes-pane {
+  width: 100%;
+  height: 100%;
+  overflow: auto;
+}
+
+/* Splitter */
+
+.splitpanes-vertical > .splitpanes-splitter,
+.splitpanes-vertical.splitpanes-dragging {
+  cursor: col-resize;
+}
+.splitpanes-horizontal > .splitpanes-splitter,
+.splitpanes-horizontal.splitpanes-dragging {
+  cursor: row-resize;
+}
+
+.splitpanes-splitter {
+  touch-action: none;
+  background-color: var(--color-bg-light);
+  box-sizing: border-box;
+  position: relative;
+  flex-shrink: 0;
+  z-index: 1;
+}
+
+.splitpanes-horizontal > .splitpanes-splitter {
+  border-top: 1px solid var(--color-border-light);
+  border-bottom: 1px solid var(--color-border-light);
+}
+
+.splitpanes-vertical > .splitpanes-splitter {
+  border-left: 1px solid var(--color-border-light);
+  border-right: 1px solid var(--color-border-light);
+}
+
+.movable-splitter {
+  position: absolute;
+  background-color: rgba(162, 177, 198, 0.5);
+}
+
+.splitpanes-vertical > .splitpanes-splitter,
+.splitpanes-vertical > .movable-splitter {
+  width: 8px;
+  z-index: 5;
+  height: 100%;
+}
+
+.splitpanes-horizontal > .splitpanes-splitter,
+.splitpanes-horizontal > .movable-splitter {
+  height: 8px;
+  width: 100%;
+  z-index: 5;
+}
+/* Toggle buttons */
+.toggle-btns {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  display: flex;
+}
+
+.splitpanes-vertical > .splitpanes-splitter .toggle-btns {
+  flex-direction: column;
+}
+
+.splitpanes-horizontal > .splitpanes-splitter .toggle-btns {
+  flex-direction: row;
+}
+
+.toggle-btn {
+  background-color: var(--color-border-light);
+  border-radius: var(--border-radius-small);
+  border: 1px solid var(--color-border);
+  box-sizing: border-box;
+  position: relative;
+  cursor: pointer;
+}
+
+.splitpanes-vertical > .splitpanes-splitter .toggle-btn {
+  height: 49px;
+  width: 8px;
+}
+
+.splitpanes-horizontal > .splitpanes-splitter .toggle-btn {
+  width: 49px;
+  height: 8px;
+}
+
+.toggle-btn .direction-icon {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+}
+
+.splitpanes-horizontal
+  > .splitpanes-splitter
+  .toggle-btns.both
+  .toggle-btn:first-child {
+  border-radius: var(--border-radius-small) 0 0 var(--border-radius-small);
+}
+
+.splitpanes-horizontal
+  > .splitpanes-splitter
+  .toggle-btns.both
+  .toggle-btn:last-child {
+  border-radius: 0 var(--border-radius-small) var(--border-radius-small) 0;
+  margin-left: -1px;
+}
+
+.splitpanes-vertical
+  > .splitpanes-splitter
+  .toggle-btns.both
+  .toggle-btn:first-child {
+  border-radius: var(--border-radius-small) var(--border-radius-small) 0 0;
+}
+
+.splitpanes-vertical
+  > .splitpanes-splitter
+  .toggle-btns.both
+  .toggle-btn:last-child {
+  border-radius: 0 0 var(--border-radius-small) var(--border-radius-small);
+  margin-top: -1px;
+}
+</style>

src/components/Splitpanes/splitter.js

@@ -0,0 +1,47 @@
+export default {
+  // Get the cursor position relative to the splitpane container.
+  getCurrentMouseDrag(event, container) {
+    const rect = container.getBoundingClientRect()
+    const { clientX, clientY } =
+      'ontouchstart' in window && event.touches ? event.touches[0] : event
+    return {
+      x: clientX - rect.left,
+      y: clientY - rect.top
+    }
+  },
+
+  // Returns the drag percentage of the splitter relative to the 2 panes it's inbetween.
+  getCurrentDragPercentage(event, container, isHorisontal) {
+    let drag = this.getCurrentMouseDrag(event, container)
+    drag = drag[isHorisontal ? 'y' : 'x']
+    const containerSize =
+      container[isHorisontal ? 'clientHeight' : 'clientWidth']
+    return (drag * 100) / containerSize
+  },
+
+  // Returns the new position in percents.
+  calculateOffset(
+    event,
+    { container, isHorisontal, paneBeforeMax, paneAfterMax }
+  ) {
+    const dragPercentage = this.getCurrentDragPercentage(
+      event,
+      container,
+      isHorisontal
+    )
+
+    const paneBeforeMaxReached =
+      paneBeforeMax < 100 && dragPercentage >= paneBeforeMax
+    const paneAfterMaxReached =
+      paneAfterMax < 100 && dragPercentage <= 100 - paneAfterMax
+
+    // Prevent dragging beyond pane max.
+    if (paneBeforeMaxReached || paneAfterMaxReached) {
+      return paneBeforeMaxReached
+        ? paneBeforeMax
+        : Math.max(100 - paneAfterMax, 0)
+    } else {
+      return Math.min(Math.max(dragPercentage, 0), paneBeforeMax)
+    }
+  }
+}

src/components/SqlEditor.vue

@@ -1,101 +0,0 @@
-<template>
-  <div class="codemirror-container">
-    <codemirror v-model="query" :options="cmOptions" @changes="onCmChange" />
-  </div>
-</template>
-
-<script>
-import CM from 'codemirror'
-import { codemirror } from 'vue-codemirror'
-import 'codemirror/lib/codemirror.css'
-import 'codemirror/mode/sql/sql.js'
-import 'codemirror/theme/neo.css'
-import 'codemirror/addon/hint/show-hint.js'
-import 'codemirror/addon/hint/show-hint.css'
-import 'codemirror/addon/hint/sql-hint.js'
-import { debounce } from 'debounce'
-
-const sqlHint = CM.hint.sql
-CM.hint.sql = (cm, options) => {
-  const token = cm.getTokenAt(cm.getCursor()).string.toUpperCase()
-  const result = sqlHint(cm, options)
-  // Don't show the hint if there is only one option
-  // and the token is already completed with this option
-  if (result.list.length === 1 && result.list[0].text.toUpperCase() === token) {
-    result.list = []
-  }
-  return result
-}
-
-export default {
-  name: 'SqlEditor',
-  props: ['value'],
-  components: {
-    codemirror
-  },
-  data () {
-    return {
-      query: this.value,
-      cmOptions: {
-        // codemirror options
-        tabSize: 4,
-        mode: 'text/x-mysql',
-        theme: 'neo',
-        lineNumbers: true,
-        line: true
-      }
-    }
-  },
-  computed: {
-    tables () {
-      const tables = {}
-      if (this.$store.state.schema) {
-        this.$store.state.schema.forEach(table => {
-          tables[table.name] = table.columns.map(column => column.name)
-        })
-      }
-      return tables
-    }
-  },
-  watch: {
-    query () {
-      this.$emit('input', this.query)
-    }
-  },
-  methods: {
-    onCmChange: debounce(function (editor) {
-      // Don't show autocomplete after a space or semicolon or in string literals
-      const ch = editor.getTokenAt(editor.getCursor()).string.slice(-1)
-      const tokenType = editor.getTokenAt(editor.getCursor()).type
-      if (tokenType === 'string' || !ch || ch === ' ' || ch === ';') {
-        return
-      }
-
-      const hintOptions = {
-        tables: this.tables,
-        completeSingle: false,
-        completeOnSingleClick: true,
-        alignWithWord: false
-      }
-
-      CM.showHint(editor, CM.hint.sql, hintOptions)
-    }, 400)
-  }
-}
-</script>
-
-<style scoped>
-.codemirror-container {
-  flex-grow: 1;
-  min-height: 0;
-}
-
->>> .vue-codemirror {
-  height: 100%;
-  max-height: 100%;
-}
->>> .CodeMirror {
-  height: 100%;
-  max-height: 100%;
-}
-</style>

src/components/SqlTable.vue

@@ -1,115 +0,0 @@
-<template>
-  <div>
-    <div class="rounded-bg">
-      <div class="header-container" ref="header-container">
-        <div>
-          <div
-            v-for="(th, index) in header"
-            class="fixed-header"
-            :style="{ width: `${th.width}px` }"
-            :key="index"
-          >
-            {{ th.name }}
-          </div>
-      </div>
-      </div>
-      <div
-        class="table-container"
-        ref="table-container"
-        @scroll="onScrollTable"
-        :style="{maxHeight: `${height}px`}"
-      >
-      <table ref="table">
-        <thead>
-          <tr>
-            <th v-for="(th,index) in dataSet.columns" :key="index" ref="th">
-              <div class="cell-data" :style="cellStyle">{{ th }}</div>
-            </th>
-          </tr>
-        </thead>
-        <tbody>
-          <tr v-for="(row,index) in currentPageData" :key="index">
-            <td v-for="(value, valIndex) in row" :key="valIndex">
-              <div class="cell-data" :style="cellStyle">{{ value }}</div>
-            </td>
-          </tr>
-        </tbody>
-      </table>
-      </div>
-    </div>
-    <div class="table-footer">
-      <div class="table-footer-count">
-        {{ dataSet.values.length}} {{dataSet.values.length === 1 ? 'row' : 'rows'}} retrieved
-      </div>
-      <pager v-show="pageCount > 1" :page-count="pageCount" v-model="currentPage" />
-    </div>
-  </div>
-</template>
-
-<script>
-import Pager from '@/components/Pager'
-
-export default {
-  name: 'SqlTable',
-  components: { Pager },
-  props: ['dataSet', 'height'],
-  data () {
-    return {
-      header: null,
-      tableWidth: null,
-      currentPage: 1,
-      resizeObserver: null
-    }
-  },
-  computed: {
-    cellStyle () {
-      const eq = this.tableWidth / this.dataSet.columns.length
-
-      return { maxWidth: `${Math.max(eq, 100)}px` }
-    },
-    pageSize () {
-      return Math.max(Math.floor(this.height / 40), 20)
-    },
-    pageCount () {
-      return Math.ceil(this.dataSet.values.length / this.pageSize)
-    },
-    currentPageData () {
-      const start = (this.currentPage - 1) * this.pageSize
-      return this.dataSet.values.slice(start, start + this.pageSize)
-    }
-  },
-  methods: {
-    calculateHeadersWidth () {
-      this.tableWidth = this.$refs['table-container'].offsetWidth
-      this.$nextTick(() => {
-        this.header = this.$refs.th.map(th => {
-          return { name: th.innerText, width: th.getBoundingClientRect().width }
-        })
-      })
-    },
-    onScrollTable () {
-      this.$refs['header-container'].scrollLeft = this.$refs['table-container'].scrollLeft
-    },
-    functionName () {
-
-    }
-  },
-  mounted () {
-    this.resizeObserver = new ResizeObserver(this.calculateHeadersWidth)
-    this.resizeObserver.observe(this.$refs.table)
-    this.calculateHeadersWidth()
-  },
-  beforeDestroy () {
-    this.resizeObserver.unobserve(this.$refs.table)
-  },
-  watch: {
-    currentPageData: 'calculateHeadersWidth',
-    dataSet () {
-      this.currentPage = 1
-    }
-  }
-}
-</script>
-
-<style scoped>
-</style>

src/components/SqlTable/Pager.vue

@@ -0,0 +1,109 @@
+<template>
+  <paginate
+    v-model="page"
+    :pageCount="pageCount"
+    :pageRange="5"
+    :marginPages="1"
+    :prevText="chevron"
+    :nextText="chevron"
+    :noLiSurround="true"
+    containerClass="paginator-continer"
+    pageLinkClass="paginator-page-link"
+    activeClass="paginator-active-page"
+    breakViewLinkClass="paginator-break"
+    nextLinkClass="paginator-next"
+    prevLinkClass="paginator-prev"
+    disabledClass="paginator-disabled"
+  />
+</template>
+
+<script>
+import Paginate from 'vuejs-paginate-next'
+
+export default {
+  name: 'Pager',
+  components: { Paginate },
+  props: {
+    pageCount: Number,
+    modelValue: Number
+  },
+  emits: ['update:modelValue'],
+  data() {
+    return {
+      page: this.modelValue,
+      chevron: `
+        <svg width="9" height="9" viewBox="0 0 8 12" fill="none">
+        <path
+          d="M0.721924 9.93097L4.85292 5.79997L0.721924 1.66897L1.99992 0.399973L7.39992
+            5.79997L1.99992 11.2L0.721924 9.93097Z" fill="#506784"
+        />
+        </svg>
+      `
+    }
+  },
+  watch: {
+    page() {
+      this.$emit('update:modelValue', this.page)
+    },
+    modelValue() {
+      this.page = this.modelValue
+    }
+  }
+}
+</script>
+
+<style scoped>
+.paginator-continer {
+  display: flex;
+  align-items: center;
+  line-height: 10px;
+}
+:deep(a) {
+  cursor: pointer;
+}
+
+:deep(.paginator-page-link) {
+  padding: 2px 3px;
+  margin: 0 5px;
+  display: block;
+  color: var(--color-text-base);
+  font-size: 11px;
+}
+:deep(.paginator-page-link:hover) {
+  color: var(--color-text-active);
+}
+:deep(.paginator-page-link:active),
+:deep(.paginator-page-link:visited),
+:deep(.paginator-page-link:focus),
+:deep(.paginator-next:active),
+:deep(.paginator-next:visited),
+:deep(.paginator-next:focus),
+:deep(.paginator-prev:active),
+:deep(.paginator-prev:visited),
+:deep(.paginator-prev:focus) {
+  outline: none;
+}
+
+:deep(.paginator-active-page),
+:deep(.paginator-active-page:hover) {
+  color: var(--color-accent);
+}
+
+:deep(.paginator-break:hover),
+:deep(.paginator-disabled:hover) {
+  cursor: default;
+}
+
+:deep(.paginator-prev svg) {
+  transform: rotate(180deg);
+}
+
+:deep(.paginator-next:hover path),
+:deep(.paginator-prev:hover path) {
+  fill: var(--color-text-active);
+}
+:deep(.paginator-disabled path),
+:deep(.paginator-disabled:hover path) {
+  fill: var(--color-text-light-2);
+}
+</style>

src/components/SqlTable/index.vue

@@ -0,0 +1,281 @@
+<template>
+  <div>
+    <div class="rounded-bg">
+      <div ref="header-container" class="header-container">
+        <div>
+          <div
+            v-for="(th, index) in header"
+            :key="index"
+            class="fixed-header"
+            :style="{ width: `${th.width}px` }"
+            :title="th.name"
+          >
+            {{ th.name }}
+          </div>
+        </div>
+      </div>
+      <div
+        ref="table-container"
+        class="table-container"
+        @scroll="onScrollTable"
+      >
+        <table
+          ref="table"
+          class="sqliteviz-table"
+          tabindex="0"
+          @keydown="onTableKeydown"
+        >
+          <thead>
+            <tr>
+              <th v-for="(th, index) in columns" :key="index" ref="th">
+                <div class="cell-data" :style="cellStyle">{{ th }}</div>
+              </th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr v-for="rowIndex in currentPageData.count" :key="rowIndex">
+              <td
+                v-for="(col, colIndex) in columns"
+                :key="colIndex"
+                :data-col="colIndex"
+                :data-row="pageSize * (currentPage - 1) + rowIndex - 1"
+                :data-isNull="isNull(getCellValue(col, rowIndex))"
+                :data-isBlob="isBlob(getCellValue(col, rowIndex))"
+                :aria-selected="false"
+                @click="onCellClick"
+              >
+                <div class="cell-data" :style="cellStyle">
+                  {{ getCellText(col, rowIndex) }}
+                </div>
+              </td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+    </div>
+    <div class="table-footer">
+      <div class="table-footer-count">
+        {{ rowCount }} {{ rowCount === 1 ? 'row' : 'rows' }} retrieved
+        <span v-if="preview">for preview</span>
+        <span v-if="time">in {{ time }}</span>
+      </div>
+      <pager
+        v-show="pageCount > 1"
+        v-model="currentPage"
+        :pageCount="pageCount"
+      />
+    </div>
+  </div>
+</template>
+
+<script>
+import Pager from './Pager.vue'
+
+export default {
+  name: 'SqlTable',
+  components: { Pager },
+  props: {
+    dataSet: Object,
+    time: [String, Number],
+    pageSize: {
+      type: Number,
+      default: 20
+    },
+    page: {
+      type: Number,
+      default: 1
+    },
+    preview: Boolean,
+    selectedCellCoordinates: Object
+  },
+  emits: ['updateSelectedCell'],
+  data() {
+    return {
+      header: null,
+      tableWidth: null,
+      currentPage: this.page,
+      resizeObserver: null,
+      selectedCellElement: null
+    }
+  },
+  computed: {
+    columns() {
+      return this.dataSet.columns
+    },
+    rowCount() {
+      return this.dataSet.values[this.columns[0]].length
+    },
+    cellStyle() {
+      const eq = this.tableWidth / this.columns.length
+      return { maxWidth: `${Math.max(eq, 100)}px` }
+    },
+    pageCount() {
+      return Math.ceil(this.rowCount / this.pageSize)
+    },
+    currentPageData() {
+      const start = (this.currentPage - 1) * this.pageSize
+      let end = start + this.pageSize
+      if (end > this.rowCount - 1) {
+        end = this.rowCount - 1
+      }
+      return {
+        start,
+        end,
+        count: end - start + 1
+      }
+    }
+  },
+  watch: {
+    currentPageData() {
+      this.calculateHeadersWidth()
+      this.selectCell(null)
+    },
+    dataSet() {
+      this.currentPage = 1
+    }
+  },
+  mounted() {
+    this.resizeObserver = new ResizeObserver(this.calculateHeadersWidth)
+    this.resizeObserver.observe(this.$refs.table)
+    this.calculateHeadersWidth()
+
+    if (this.selectedCellCoordinates) {
+      const { row, col } = this.selectedCellCoordinates
+      const cell = this.$refs.table.querySelector(
+        `td[data-col="${col}"][data-row="${row}"]`
+      )
+      if (cell) {
+        this.selectCell(cell)
+      }
+    }
+  },
+  beforeUnmount() {
+    this.resizeObserver.unobserve(this.$refs.table)
+  },
+  methods: {
+    isBlob(value) {
+      return value && ArrayBuffer.isView(value)
+    },
+    isNull(value) {
+      return value === null
+    },
+    getCellValue(col, rowIndex) {
+      return this.dataSet.values[col][rowIndex - 1 + this.currentPageData.start]
+    },
+    getCellText(col, rowIndex) {
+      const value = this.getCellValue(col, rowIndex)
+      if (this.isNull(value)) {
+        return 'NULL'
+      }
+      if (this.isBlob(value)) {
+        return 'BLOB'
+      }
+      return value
+    },
+    calculateHeadersWidth() {
+      this.tableWidth = this.$refs['table-container'].offsetWidth
+      this.$nextTick(() => {
+        this.header = this.$refs.th.map(th => {
+          return { name: th.innerText, width: th.getBoundingClientRect().width }
+        })
+      })
+    },
+    onScrollTable() {
+      this.$refs['header-container'].scrollLeft =
+        this.$refs['table-container'].scrollLeft
+    },
+    onTableKeydown(e) {
+      const keyCodeMap = {
+        37: 'left',
+        39: 'right',
+        38: 'up',
+        40: 'down'
+      }
+
+      if (
+        !this.selectedCellElement ||
+        !Object.keys(keyCodeMap).includes(e.keyCode.toString())
+      ) {
+        return
+      }
+      e.preventDefault()
+
+      this.moveFocusInTable(this.selectedCellElement, keyCodeMap[e.keyCode])
+    },
+    onCellClick(e) {
+      this.selectCell(e.target.closest('td'), false)
+    },
+    selectCell(cell, scrollTo = true) {
+      if (!cell) {
+        if (this.selectedCellElement) {
+          this.selectedCellElement.ariaSelected = 'false'
+        }
+        this.selectedCellElement = cell
+      } else if (!cell.ariaSelected || cell.ariaSelected === 'false') {
+        if (this.selectedCellElement) {
+          this.selectedCellElement.ariaSelected = 'false'
+        }
+        cell.ariaSelected = 'true'
+        this.selectedCellElement = cell
+      } else {
+        cell.ariaSelected = 'false'
+        this.selectedCellElement = null
+      }
+
+      if (this.selectedCellElement && scrollTo) {
+        this.selectedCellElement.scrollIntoView()
+      }
+
+      this.$emit('updateSelectedCell', this.selectedCellElement)
+    },
+    moveFocusInTable(initialCell, direction) {
+      const currentRowIndex = +initialCell.dataset.row
+      const currentColIndex = +initialCell.dataset.col
+      let newRowIndex, newColIndex
+
+      if (direction === 'right') {
+        if (currentColIndex === this.columns.length - 1) {
+          newRowIndex = currentRowIndex + 1
+          newColIndex = 0
+        } else {
+          newRowIndex = currentRowIndex
+          newColIndex = currentColIndex + 1
+        }
+      } else if (direction === 'left') {
+        if (currentColIndex === 0) {
+          newRowIndex = currentRowIndex - 1
+          newColIndex = this.columns.length - 1
+        } else {
+          newRowIndex = currentRowIndex
+          newColIndex = currentColIndex - 1
+        }
+      } else if (direction === 'up') {
+        newRowIndex = currentRowIndex - 1
+        newColIndex = currentColIndex
+      } else if (direction === 'down') {
+        newRowIndex = currentRowIndex + 1
+        newColIndex = currentColIndex
+      }
+
+      const newCell = this.$refs.table.querySelector(
+        `td[data-col="${newColIndex}"][data-row="${newRowIndex}"]`
+      )
+      if (newCell) {
+        this.selectCell(newCell)
+      }
+    }
+  }
+}
+</script>
+
+<style scoped>
+table.sqliteviz-table:focus {
+  outline: none;
+}
+.sqliteviz-table tbody td:hover {
+  background-color: var(--color-bg-light-3);
+}
+.sqliteviz-table tbody td[aria-selected='true'] {
+  box-shadow: inset 0 0 0 1px var(--color-accent);
+}
+</style>

src/components/Tab.vue

@@ -1,196 +0,0 @@
-<template>
-  <div class="tab-content-container" v-show="isActive">
-    <splitpanes
-      class="query-results-splitter"
-      horizontal
-      :before="{ size: 50, max: 100 }"
-      :after="{ size: 50, max: 100 }"
-    >
-      <template #left-pane>
-        <div class="query-editor">
-          <sql-editor v-model="query" />
-        </div>
-      </template>
-      <template #right-pane>
-        <div id="bottomPane" ref="bottomPane">
-          <view-switcher :view.sync="view" />
-          <div v-show="view === 'table'" class="table-view">
-            <div v-show="result === null && !isGettingResults && !error" class="table-preview">
-              Run your query and get results here
-            </div>
-            <div v-show="isGettingResults" class="table-preview">
-              Fetching results...
-            </div>
-            <div v-show="result === undefined && !isGettingResults && !error" class="table-preview">
-              No rows retrieved according to your query
-            </div>
-            <div v-show="error" class="table-preview error">
-              {{ error }}
-            </div>
-            <sql-table v-if="result" :data-set="result" :height="tableViewHeight" />
-          </div>
-          <chart
-            :visible="view === 'chart'"
-            :sql-result="result"
-            :init-chart="initChart"
-            ref="chart"
-            @update="isUnsaved = true"
-          />
-        </div>
-      </template>
-    </splitpanes>
-  </div>
-</template>
-
-<script>
-import SqlTable from '@/components/SqlTable'
-import SqlEditor from '@/components/SqlEditor'
-import Splitpanes from '@/components/Splitpanes'
-import ViewSwitcher from '@/components/ViewSwitcher'
-import Chart from '@/components/Chart'
-
-export default {
-  name: 'Tab',
-  props: ['id', 'initName', 'initQuery', 'initChart', 'tabIndex', 'isPredefined'],
-  components: {
-    SqlEditor,
-    SqlTable,
-    Splitpanes,
-    ViewSwitcher,
-    Chart
-  },
-  data () {
-    return {
-      query: this.initQuery,
-      result: null,
-      view: 'table',
-      tableViewHeight: 0,
-      isUnsaved: !this.initName,
-      isGettingResults: false,
-      error: null,
-      resizeObserver: null
-    }
-  },
-  computed: {
-    isActive () {
-      return this.id === this.$store.state.currentTabId
-    }
-  },
-  created () {
-    this.$store.commit('setCurrentTab', this)
-  },
-  mounted () {
-    this.resizeObserver = new ResizeObserver(this.handleResize)
-    this.resizeObserver.observe(this.$refs.bottomPane)
-    this.calculateTableHeight()
-  },
-  beforeDestroy () {
-    this.resizeObserver.unobserve(this.$refs.bottomPane)
-  },
-  watch: {
-    isActive () {
-      if (this.isActive) {
-        this.$store.commit('setCurrentTab', this)
-      }
-    },
-    query () {
-      this.isUnsaved = true
-    },
-    isUnsaved () {
-      this.$store.commit('updateTabState', { index: this.tabIndex, newValue: this.isUnsaved })
-    }
-  },
-  methods: {
-    // Run a command in the database
-    execute () {
-      // this.$refs.output.textContent = 'Fetching results...' */
-      this.isGettingResults = true
-      this.result = null
-      this.error = null
-      this.$db.execute(this.query + ';')
-        .then(result => {
-          this.result = result
-        })
-        .catch(err => {
-          this.error = err
-        })
-        .finally(() => {
-          this.isGettingResults = false
-        })
-    },
-    handleResize () {
-      if (this.view === 'chart') {
-        // hack react-chart editor: hidden and show in order to make the graph resize
-        this.view = 'not chart'
-        this.$nextTick(() => {
-          this.view = 'chart'
-        })
-      }
-      this.calculateTableHeight()
-    },
-    calculateTableHeight () {
-      const bottomPane = this.$refs.bottomPane
-      // 88 - view swittcher height
-      // 42 - table footer width
-      // 30 - desirable space after the table
-      // 5 - padding-bottom of rounded table container
-      // 40 - height of table header
-      const freeSpace = bottomPane.offsetHeight - 88 - 42 - 30 - 5 - 40
-      this.tableViewHeight = freeSpace - (freeSpace % 40)
-    },
-    getChartSatateForSave () {
-      return this.$refs.chart.getChartSatateForSave()
-    }
-  }
-}
-</script>
-
-<style scoped>
-.tab-content-container {
-  background-color: var(--color-white);
-  border-top: 1px solid var(--color-border-light);
-  margin-top: -1px;
-}
-
-#bottomPane {
-  height: 100%;
-  background-color: var(--color-bg-light);
-}
-
-.query-results-splitter {
-  height: calc(100vh - 104px);
-  background-color: var(--color-bg-light);
-}
-
-.query-editor {
-  display: flex;
-  flex-direction: column;
-  height: 100%;
-  max-height: 100%;
-  box-sizing: border-box;
-  min-height: 190px;
-}
-
-.table-view {
-  margin: 0 52px;
-  height: calc(100% - 88px);
-  position: relative;
-}
-
-.table-preview {
-  position: absolute;
-  top: 40%;
-  left: 50%;
-  transform: translate(-50%, -50%);
-  color: var(--color-text-base);
-  font-size: 13px;
-}
-
-.table-preview.error {
-  color: var(--color-text-error);
-}
-
-.table-preview.error::first-letter {
-  text-transform: capitalize;
-}
-</style>

src/components/Tabs.vue

@@ -1,152 +0,0 @@
-<template>
-   <div id="tabs-container">
-    <div id="tabs__header" v-if="tabs.length > 0">
-      <div
-        v-for="(tab, index) in tabs"
-        :key="index"
-        @click="selectTab(tab.id)"
-        :class="[{'tab__selected': (tab.id === selectedIndex)}, 'tab']"
-      >
-        <div class="tab-name">
-          <span v-show="tab.isUnsaved">*</span>
-          <span v-if="tab.name">{{ tab.name }}</span>
-          <span v-else class="tab-untitled">{{ tab.tempName }}</span>
-        </div>
-        <div>
-          <svg
-            class="close-icon"
-            @click.stop="closeTab(index)"
-            width="10"
-            height="10"
-            viewBox="0 0 14 14"
-            fill="none"
-            xmlns="http://www.w3.org/2000/svg"
-          >
-            <path
-              d="M14 1.41L12.59 0L7 5.59L1.41 0L0 1.41L5.59 7L0 12.59L1.41 14L7 8.41L12.59 14L14 12.59L8.41 7L14 1.41Z"
-              fill="#A2B1C6"/>
-          </svg>
-        </div>
-      </div>
-    </div>
-    <tab
-      v-for="(tab, index) in tabs"
-      :key="tab.id"
-      :id="tab.id"
-      :init-name="tab.name"
-      :init-query="tab.query"
-      :init-chart="tab.chart"
-      :is-predefined="tab.isPredefined"
-      :tab-index="index"
-    />
-    <div v-if="tabs.length === 0" id="start-guide">
-      <span class="link" @click="$root.$emit('createNewQuery')">Create</span>
-      a new query from scratch or open the one from
-      <router-link class="link" to="/my-queries">My queries</router-link>
-    </div>
-  </div>
-</template>
-
-<script>
-import Tab from '@/components/Tab'
-
-export default {
-  components: {
-    Tab
-  },
-  data () {
-    return {
-    }
-  },
-  computed: {
-    tabs () {
-      return this.$store.state.tabs
-    },
-    selectedIndex () {
-      return this.$store.state.currentTabId
-    }
-  },
-  methods: {
-    selectTab (id) {
-      this.$store.commit('setCurrentTabId', id)
-    },
-    closeTab (index) {
-      this.$store.commit('deleteTab', index)
-    }
-  }
-}
-</script>
-
-<style>
-#tabs-container {
-  position: relative;
-  height: 100%;
-  background-color: var(--color-bg-light);
-}
-#tabs__header {
-  display: flex;
-  margin: 0;
-  max-width: 100%;
-  overflow: hidden;
-}
-#tabs__header .tab {
-  height: 36px;
-  background-color: var(--color-bg-light);
-  border-right: 1px solid var(--color-border-light);
-  border-bottom: 1px solid var(--color-border-light);
-  line-height: 36px;
-  font-size: 14px;
-  color: var(--color-text-base);
-  padding: 0 12px;
-  box-sizing: border-box;
-  position: relative;
-  max-width: 200px;
-  display: flex;
-  flex-shrink: 1;
-  min-width: 0;
-}
-#tabs__header .tab-name {
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  flex-shrink: 1;
-}
-
-#tabs__header div:hover {
-  cursor: pointer;
-}
-
-#tabs__header .tab__selected {
-  color: var(--color-text-active);
-  font-weight: 600;
-  border-bottom: none;
-  background-color: var(--color-white);
-}
-#tabs__header .tab__selected:hover {
-    cursor: default;
-}
-
-.close-icon {
-  margin-left: 5px;
-}
-
-.close-icon:hover path {
-  fill: var(--color-text-base);
-  cursor: pointer;
-}
-#start-guide {
-  position: absolute;
-  top: 50%;
-  left: 50%;
-  transform: translate(-50%, -50%);
-  color: var(--color-text-base);
-  font-size: 14px;
-  text-align: center;
-}
-.link {
-  color: var(--color-accent);
-  text-decoration: none;
-  cursor: pointer;
-  white-space: nowrap;
-}
-</style>

src/components/TextField.vue

@@ -1,22 +1,46 @@
 <template>
   <div>
-    <div :class="['text-field-label', { error: errorMsg }]">{{ label }}</div>
+    <div
+      v-if="label"
+      :class="['text-field-label', { error: errorMsg }, { disabled: disabled }]"
+    >
+      {{ label }}
+      <hint-icon
+        v-if="hint"
+        class="hint"
+        :hint="hint"
+        :maxWidth="maxHintWidth || '149px'"
+      />
+    </div>
     <input
       type="text"
       :placeholder="placeholder"
       :class="{ error: errorMsg }"
       :style="{ width: width }"
-      :value="value"
-      @input="$emit('input',  $event.target.value)"
+      :value="modelValue"
+      :disabled="disabled"
+      @input="$emit('update:modelValue', $event.target.value)"
     />
-    <div class="text-field-error">{{ errorMsg }}</div>
+    <div v-show="errorMsg" class="text-field-error">{{ errorMsg }}</div>
   </div>
 </template>
 
 <script>
+import HintIcon from '@/components/svg/hint'
 export default {
-  name: 'textField',
-  props: ['placeholder', 'label', 'errorMsg', 'value', 'width']
+  name: 'TextField',
+  components: { HintIcon },
+  props: {
+    placeholder: String,
+    label: String,
+    errorMsg: String,
+    modelValue: String,
+    width: String,
+    hint: String,
+    maxHintWidth: String,
+    disabled: Boolean
+  },
+  emits: ['update:modelValue']
 }
 </script>
 
@@ -30,6 +54,7 @@ input {
   padding: 0 8px;
   font-size: 13px;
   box-sizing: border-box;
+  display: block;
 }
 
 input::placeholder {
@@ -40,24 +65,47 @@ input:focus {
   outline: none;
 }
 
+input:disabled {
+  background: var(--color-bg-light);
+  color: var(--color-text-light-2);
+  cursor: default;
+}
+
 input.error {
   border-color: var(--color-text-error);
 }
+
 .text-field-label {
   font-size: 12px;
   color: var(--color-text-base);
   padding-left: 8px;
   margin-bottom: 2px;
+  display: inline-block;
+  position: relative;
+}
+
+.text-field-label .hint {
+  position: absolute;
+  top: -2px;
+  right: -22px;
 }
 
 .text-field-label.error {
   color: var(--color-text-error);
 }
 
+.text-field-label.disabled {
+  color: var(--color-text-light-2);
+}
+
 .text-field-error {
   color: var(--color-text-error);
   font-size: 12px;
   padding-left: 8px;
   margin-top: 2px;
+  position: absolute;
+}
+.text-field-error:first-letter {
+  text-transform: uppercase;
 }
 </style>

src/components/ViewSwitcher.vue

@@ -1,67 +0,0 @@
-<template>
-  <div class="view-switcher">
-    <div
-      :class="['table-mode', {'active-mode': view === 'table'}]"
-      @click="$emit('update:view','table')"
-    >
-      Table
-    </div>
-    <div
-      :class="['chart-mode', {'active-mode': view === 'chart'}]"
-      @click="$emit('update:view','chart')"
-    >
-      Chart
-    </div>
-  </div>
-</template>
-
-<script>
-export default {
-  name: 'ViewSwitcher',
-  props: ['view']
-}
-</script>
-
-<style scoped>
-.view-switcher {
-  height: 28px;
-  display: flex;
-  padding: 30px;
-  justify-content: center;
-}
-.view-switcher div {
-  height: 100%;
-  width: 136px;
-  box-sizing: border-box;
-  line-height: 28px;
-  font-size: 12px;
-  cursor: pointer;
-  background: var(--color-white);
-  border: 1px solid var(--color-border);
-  color: var(--color-text-base);
-  text-align: center;
-  font-weight: 400;
-}
-.view-switcher div:hover {
-  background-color: var(--color-bg-light);
-  color: var(--color-text-active);
-}
-.view-switcher div.active-mode {
-  background: var(--color-accent);
-  border: 1px solid var(--color-accent-shade);
-  color: var(--color-text-light);
-  text-shadow: var(--shadow);
-  z-index: 1;
-  font-weight: 600;
-}
-.view-switcher div.active-mode:hover {
-  background: var(--color-accent-shade);
-}
-.table-mode {
-  border-radius: var(--border-radius-medium) 0 0 var(--border-radius-medium);
-}
-.chart-mode {
-  margin-left: -1px;
-  border-radius: 0 var(--border-radius-medium) var(--border-radius-medium) 0;
-}
-</style>