add Logs component

src/components/Logs.vue

@@ -0,0 +1,78 @@
+<template>
+  <div class="logs-container" ref="logsContainer">
+    <div v-for="(msg, index) in messages" :key="index" class="msg">
+      <img v-if="msg.type === 'error'" :src="require('@/assets/images/error.svg')">
+      <img v-if="msg.type === 'info'" :src="require('@/assets/images/info.svg')" width="20px">
+      <img v-if="msg.type === 'success'" :src="require('@/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',
+  props: ['messages'],
+  components: { LoadingIndicator },
+  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) {
+        result += `Error in row ${msg.row}. `
+      }
+      result += msg.message
+      if (msg.hint) {
+        if (!(result[0] in ['.', '!', '?'])) {
+          result += '.'
+        }
+        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: scroll;
+}
+.msg {
+  padding: 16px 7px;
+  border-bottom: 1px solid var(--color-border-light);
+  display: flex;
+  align-items: flex-start;
+  font-family: monospace;
+}
+
+.msg:last-child {
+  border-bottom: none;
+}
+
+.msg-text {
+  margin-left: 6px;
+  margin-top: 2px;
+}
+</style>