Fix all eslint warnings

app/server/package.json

@@ -5,6 +5,7 @@
   "scripts": {
     "start": "cross-env HOT_RELOAD=1 DEBUG=1 webpack-dev-server",
     "build": "webpack",
+    "lint": "eslint --max-warnings=0 static/js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "",

app/server/static/js/.eslintrc.js

@@ -1,4 +1,21 @@
 module.exports = {
-  "extends": "airbnb-base"
+  env: {
+    browser: true,
+    es6: true,
+    node: true,
+  },
+  parserOptions: {
+    parser: "babel-eslint",
+  },
+  extends: [
+    "airbnb-base",
+  ],
+  rules: {
+    "no-param-reassign": "off",
+    "no-plusplus": "off",
+    "object-shorthand": "off",
+    "prefer-destructuring": "off",
+    "prefer-template": "off",
+  },
 };
 // https://travishorn.com/setting-up-eslint-on-vs-code-with-airbnb-javascript-style-guide-6eb78a535ba6

app/server/static/js/dataset.js

@@ -1,9 +1,9 @@
 import Vue from 'vue';
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   delimiters: ['[[', ']]'],
   data: {
-    messages: []
+    messages: [],
   },
 });

app/server/static/js/demo/demo_mixin.js

@@ -1,3 +1,5 @@
+/* global marked:readonly */
+
 const annotationMixin = {
   data() {
     return {
@@ -113,7 +115,7 @@ const annotationMixin = {
     },
 
     id2label() {
-      let id2label = {};
+      const id2label = {};
       for (let i = 0; i < this.labels.length; i++) {
         const label = this.labels[i];
         id2label[label.id] = label;

app/server/static/js/demo/demo_named_entity.js

@@ -6,14 +6,14 @@ Vue.use(require('vue-shortkey'), {
 });
 
 Vue.component('annotator', {
-  template: '<div @click="setSelectedRange">\
-                    <span v-for="r in chunks"\
-                         v-bind:class="{tag: id2label[r.label].text_color}"\
-                         v-bind:style="{ color: id2label[r.label].text_color, backgroundColor: id2label[r.label].background_color }"\
-                    >{{ text.slice(r.start_offset, r.end_offset) }}<button class="delete is-small"\
-                                         v-if="id2label[r.label].text_color"\
-                                         @click="removeLabel(r)"></button></span>\
-               </div>',
+  template: '<div @click="setSelectedRange">'
+          + '       <span v-for="r in chunks"'
+          + '            v-bind:class="{tag: id2label[r.label].text_color}"'
+          + '            v-bind:style="{ color: id2label[r.label].text_color, backgroundColor: id2label[r.label].background_color }"'
+          + '       >{{ text.slice(r.start_offset, r.end_offset) }}<button class="delete is-small"'
+          + '                            v-if="id2label[r.label].text_color"'
+          + '                            @click="removeLabel(r)"></button></span>'
+          + '  </div>',
   props: {
     labels: Array, // [{id: Integer, color: String, text: String}]
     text: String,
@@ -27,7 +27,7 @@ Vue.component('annotator', {
   },
 
   methods: {
-    setSelectedRange(e) {
+    setSelectedRange() {
       let start;
       let end;
       if (window.getSelection) {
@@ -47,7 +47,7 @@ Vue.component('annotator', {
       }
       this.startOffset = start;
       this.endOffset = end;
-      console.log(start, end);
+      console.log(start, end); // eslint-disable-line no-console
     },
 
     validRange() {
@@ -132,7 +132,7 @@ Vue.component('annotator', {
     },
 
     id2label() {
-      let id2label = {};
+      const id2label = {};
       // default value;
       id2label[-1] = {
         text_color: '',
@@ -147,7 +147,7 @@ Vue.component('annotator', {
   },
 });
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   delimiters: ['[[', ']]'],
   mixins: [annotationMixin],

app/server/static/js/demo/demo_text_classification.js

@@ -6,7 +6,7 @@ Vue.use(require('vue-shortkey'), {
 });
 
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   delimiters: ['[[', ']]'],
   mixins: [annotationMixin],
@@ -88,7 +88,7 @@ const vm = new Vue({
           label: label.id,
         };
         this.annotations[this.pageNumber].push(annotation);
-        console.log(this.annotations);
+        console.log(this.annotations); // eslint-disable-line no-console
       }
     },
   },

app/server/static/js/demo/demo_translation.js

@@ -4,7 +4,7 @@ import annotationMixin from './demo_mixin';
 Vue.use(require('vue-shortkey'));
 
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   delimiters: ['[[', ']]'],
   data: {
@@ -55,7 +55,7 @@ const vm = new Vue({
   },
   mixins: [annotationMixin],
   directives: {
-    'todo-focus': function(el, binding) {
+    'todo-focus': (el, binding) => {
       if (binding.value) {
         el.focus();
       }

app/server/static/js/document_classification.js

@@ -10,7 +10,7 @@ Vue.use(require('vue-shortkey'), {
 Vue.filter('simpleShortcut', simpleShortcut);
 
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   delimiters: ['[[', ']]'],
   mixins: [annotationMixin],

app/server/static/js/filter.js

@@ -1,10 +1,7 @@
 export default function simpleShortcut(shortcut) {
-  if (shortcut === null) {
-    shortcut = '';
-  } else {
-    shortcut = shortcut.replace('ctrl', 'C');
-    shortcut = shortcut.replace('shift', 'S');
-    shortcut = shortcut.split(' ').join('-');
-  }
-  return shortcut;
+  let simplified = shortcut === null ? '' : shortcut;
+  simplified = simplified.replace('ctrl', 'C');
+  simplified = simplified.replace('shift', 'S');
+  simplified = simplified.split(' ').join('-');
+  return simplified;
 }

app/server/static/js/guideline.js

@@ -1,7 +1,10 @@
+/* global _:readonly */
+/* global marked:readonly */
+
 import Vue from 'vue';
 import HTTP from './http';
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   data: {
     input: '',
@@ -25,10 +28,10 @@ const vm = new Vue({
   },
 
   methods: {
-    update: _.debounce(function (e) {
+    update: _.debounce((e) => {
       this.input = e.target.value;
       const payload = {
-        'guideline': this.input
+        guideline: this.input,
       };
       HTTP.patch('', payload).then((response) => {
         this.project = response.data;

app/server/static/js/label.js

@@ -5,7 +5,7 @@ import simpleShortcut from './filter';
 Vue.filter('simpleShortcut', simpleShortcut);
 
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   delimiters: ['[[', ']]'],
   data: {
@@ -24,7 +24,7 @@ const vm = new Vue({
       * combineKeys: Combine selectedKey and checkedKey to get shortcutKey
       * saveKeys: Save null to database if shortcutKey is empty string
       */
-    combineKeys: function () {
+    combineKeys: () => {
       this.shortcutKey = '';
 
       // If checkedKey exits, add it to shortcutKey
@@ -45,7 +45,7 @@ const vm = new Vue({
       return this.shortcutKey;
     },
 
-    saveKeys: function () {
+    saveKeys: () => {
       this.shortcutKey = this.combineKeys;
       if (this.shortcutKey === '') {
         return null;
@@ -70,7 +70,7 @@ const vm = new Vue({
 
     removeLabel(label) {
       const labelId = label.id;
-      HTTP.delete(`labels/${labelId}`).then((response) => {
+      HTTP.delete(`labels/${labelId}`).then(() => {
         const index = this.labels.indexOf(label);
         this.labels.splice(index, 1);
       });

app/server/static/js/mixin.js

@@ -1,6 +1,8 @@
+/* global marked:readonly */
+
 import HTTP from './http';
 
-const getOffsetFromUrl = function (url) {
+const getOffsetFromUrl = (url) => {
   const offsetMatch = url.match(/[?#].*offset=(\d+)/);
   if (offsetMatch == null) {
     return 0;
@@ -9,7 +11,7 @@ const getOffsetFromUrl = function (url) {
   return parseInt(offsetMatch[1], 10);
 };
 
-const storeOffsetInUrl = function (offset) {
+const storeOffsetInUrl = (offset) => {
   let href = window.location.href;
 
   const fragmentStart = href.indexOf('#') + 1;
@@ -19,7 +21,7 @@ const storeOffsetInUrl = function (offset) {
     const prefix = href.substring(0, fragmentStart);
     const fragment = href.substring(fragmentStart);
 
-    const newFragment = fragment.split('&').map(function (fragmentPart) {
+    const newFragment = fragment.split('&').map((fragmentPart) => {
       const keyValue = fragmentPart.split('=');
       return keyValue[0] === 'offset'
         ? 'offset=' + offset
@@ -112,7 +114,7 @@ const annotationMixin = {
 
     removeLabel(annotation) {
       const docId = this.docs[this.pageNumber].id;
-      HTTP.delete(`docs/${docId}/annotations/${annotation.id}`).then((response) => {
+      HTTP.delete(`docs/${docId}/annotations/${annotation.id}`).then(() => {
         const index = this.annotations[this.pageNumber].indexOf(annotation);
         this.annotations[this.pageNumber].splice(index, 1);
       });
@@ -169,7 +171,7 @@ const annotationMixin = {
     },
 
     id2label() {
-      let id2label = {};
+      const id2label = {};
       for (let i = 0; i < this.labels.length; i++) {
         const label = this.labels[i];
         id2label[label.id] = label;

app/server/static/js/projects.js

@@ -6,7 +6,7 @@ axios.defaults.xsrfHeaderName = 'X-CSRFToken';
 const baseUrl = window.location.href.split('/').slice(0, 3).join('/');
 
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#projects_root',
   delimiters: ['[[', ']]'],
   data: {
@@ -26,7 +26,7 @@ const vm = new Vue({
   methods: {
 
     deleteProject() {
-      axios.delete(`${baseUrl}/v1/projects/${this.project.id}`).then((response) => {
+      axios.delete(`${baseUrl}/v1/projects/${this.project.id}`).then(() => {
         this.isDelete = false;
         const index = this.items.indexOf(this.project);
         this.items.splice(index, 1);
@@ -108,13 +108,7 @@ const vm = new Vue({
 
   computed: {
     selectedProjects() {
-      const projects = [];
-      for (let item of this.items) {
-        if ((this.selected === 'All Project') || this.matchType(item.project_type)) {
-          projects.push(item);
-        }
-      }
-      return projects;
+      return this.items.filter(item => this.selected === 'All Project' || this.matchType(item.project_type));
     },
   },
 

app/server/static/js/seq2seq.js

@@ -5,7 +5,7 @@ import HTTP from './http';
 Vue.use(require('vue-shortkey'));
 
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   delimiters: ['[[', ']]'],
   data: {
@@ -14,7 +14,7 @@ const vm = new Vue({
   },
   mixins: [annotationMixin],
   directives: {
-    'todo-focus': function (el, binding) {
+    'todo-focus': (el, binding) => {
       if (binding.value) {
         el.focus();
       }
@@ -41,7 +41,7 @@ const vm = new Vue({
 
     removeTodo(todo) {
       const docId = this.docs[this.pageNumber].id;
-      HTTP.delete(`docs/${docId}/annotations/${todo.id}`).then((response) => {
+      HTTP.delete(`docs/${docId}/annotations/${todo.id}`).then(() => {
         const index = this.annotations[this.pageNumber].indexOf(todo);
         this.annotations[this.pageNumber].splice(index, 1);
       });
@@ -63,7 +63,7 @@ const vm = new Vue({
       }
       const docId = this.docs[this.pageNumber].id;
       HTTP.put(`docs/${docId}/annotations/${todo.id}`, todo).then((response) => {
-        console.log(response);
+        console.log(response); // eslint-disable-line no-console
       });
     },
 

app/server/static/js/sequence_labeling.js

@@ -10,16 +10,16 @@ Vue.use(require('vue-shortkey'), {
 Vue.filter('simpleShortcut', simpleShortcut);
 
 Vue.component('annotator', {
-  template: '<div @click="setSelectedRange">\
-                    <span class="text-sequence"\
-                         v-for="r in chunks"\
-                         v-if="id2label[r.label]"\
-                         v-bind:class="{tag: id2label[r.label].text_color}"\
-                         v-bind:style="{ color: id2label[r.label].text_color, backgroundColor: id2label[r.label].background_color }"\
-                    >{{ [...text].slice(r.start_offset, r.end_offset).join(\'\') }}<button class="delete is-small"\
-                                         v-if="id2label[r.label].text_color"\
-                                         @click="removeLabel(r)"></button></span>\
-               </div>',
+  template: '<div @click="setSelectedRange">'
+          + '       <span class="text-sequence"'
+          + '            v-for="r in chunks"'
+          + '            v-if="id2label[r.label]"'
+          + '            v-bind:class="{tag: id2label[r.label].text_color}"'
+          + '            v-bind:style="{ color: id2label[r.label].text_color, backgroundColor: id2label[r.label].background_color }"'
+          + '       >{{ [...text].slice(r.start_offset, r.end_offset).join(\'\') }}<button class="delete is-small"'
+          + '                            v-if="id2label[r.label].text_color"'
+          + '                            @click="removeLabel(r)"></button></span>'
+          + '  </div>',
   props: {
     labels: Array, // [{id: Integer, color: String, text: String}]
     text: String,
@@ -33,7 +33,7 @@ Vue.component('annotator', {
   },
 
   methods: {
-    setSelectedRange(e) {
+    setSelectedRange() {
       let start;
       let end;
       if (window.getSelection) {
@@ -53,7 +53,7 @@ Vue.component('annotator', {
       }
       this.startOffset = start;
       this.endOffset = end;
-      console.log(start, end);
+      console.log(start, end); // eslint-disable-line no-console
     },
 
     validRange() {
@@ -144,7 +144,7 @@ Vue.component('annotator', {
     },
 
     id2label() {
-      let id2label = {};
+      const id2label = {};
       // default value;
       id2label[-1] = {
         text_color: '',
@@ -159,7 +159,7 @@ Vue.component('annotator', {
   },
 });
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   delimiters: ['[[', ']]'],
   mixins: [annotationMixin],

app/server/static/js/stats.js

@@ -2,7 +2,7 @@ import { HorizontalBar, mixins, Doughnut } from 'vue-chartjs';
 import Vue from 'vue';
 import HTTP from './http';
 
-const { reactiveProp, reactiveData } = mixins;
+const { reactiveProp } = mixins;
 
 Vue.component('line-chart', {
   extends: HorizontalBar,
@@ -50,7 +50,7 @@ Vue.component('doughnut-chart', {
   },
 });
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   delimiters: ['[[', ']]'],
   data: {
@@ -94,6 +94,5 @@ const vm = new Vue({
         ],
       };
     });
-
   },
 });

app/server/static/js/upload.js

@@ -1,7 +1,7 @@
 import Vue from 'vue';
 import HTTP from './http';
 
-const vm = new Vue({
+const vm = new Vue({ // eslint-disable-line no-unused-vars
   el: '#mail-app',
   delimiters: ['[[', ']]'],
   data: {
@@ -16,7 +16,7 @@ const vm = new Vue({
     upload() {
       this.isLoading = true;
       this.file = this.$refs.file.files[0];
-      let formData = new FormData();
+      const formData = new FormData();
       formData.append('file', this.file);
       formData.append('format', this.format);
       HTTP.post('docs/upload',
@@ -27,7 +27,7 @@ const vm = new Vue({
           },
         })
         .then((response) => {
-          console.log(response);
+          console.log(response); // eslint-disable-line no-console
           this.messages = [];
           window.location = window.location.pathname.split('/').slice(0, -1).join('/');
         })
@@ -42,7 +42,7 @@ const vm = new Vue({
     },
 
     download() {
-      let headers = {};
+      const headers = {};
       if (this.format === 'csv') {
         headers.Accept = 'text/csv; charset=utf-8';
         headers['Content-Type'] = 'text/csv; charset=utf-8';
@@ -62,7 +62,7 @@ const vm = new Vue({
         const url = window.URL.createObjectURL(new Blob([response.data]));
         const link = document.createElement('a');
         link.href = url;
-        link.setAttribute('download', 'file.' + this.format); //or any other extension
+        link.setAttribute('download', 'file.' + this.format); // or any other extension
         document.body.appendChild(link);
         link.click();
       }).catch((error) => {