Fix eslint

app/assets/javascripts/droplab/droplab.js

+/* eslint-disable */
 // Determine where to place this
 if (typeof Object.assign != 'function') {
   Object.assign = function (target, varArgs) { // .length of function is 2
@@ -24,7 +25,6 @@ if (typeof Object.assign != 'function') {
   };
 }
 
-/* eslint-disable */
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.droplab = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 var DATA_TRIGGER = 'data-dropdown-trigger';
 var DATA_DROPDOWN = 'data-dropdown';

app/assets/javascripts/filtered_search/dropdown_hint.js.es6

 /*= require filtered_search/filtered_search_dropdown */
+
+/* global droplabFilter */
+
 (() => {
   const dropdownData = [{
     icon: 'fa-pencil',
@@ -24,7 +27,7 @@
       this.config = {
         droplabFilter: {
           template: 'hint',
-          filterFunction: this.filterMethod,
+          filterFunction: gl.DropdownUtils.filterMethod,
         },
       };
     }
@@ -59,19 +62,6 @@
       this.droplab.setData(this.hookId, dropdownData);
     }
 
-    filterMethod(item, query) {
-      const updatedItem = item;
-      const { value } = gl.FilteredSearchTokenizer.getLastTokenObject(query);
-
-      if (value === '') {
-        updatedItem.droplab_hidden = false;
-      } else {
-        updatedItem.droplab_hidden = updatedItem.hint.indexOf(value) === -1;
-      }
-
-      return updatedItem;
-    }
-
     init() {
       this.droplab.addHook(this.input, this.dropdown, [droplabFilter], this.config).init();
     }

app/assets/javascripts/filtered_search/dropdown_non_user.js.es6

 /*= require filtered_search/filtered_search_dropdown */
+
+/* global droplabAjax */
+/* global droplabFilter */
+
 (() => {
   class DropdownNonUser extends gl.FilteredSearchDropdown {
     constructor(droplab, dropdown, input, endpoint, symbol) {
@@ -11,7 +15,7 @@
           loadingTemplate: this.loadingTemplate,
         },
         droplabFilter: {
-          filterFunction: this.filterWithSymbol.bind(this, this.symbol),
+          filterFunction: gl.DropdownUtils.filterWithSymbol.bind(null, this.symbol),
         },
       };
     }
@@ -19,48 +23,10 @@
     itemClicked(e) {
       super.itemClicked(e, (selected) => {
         const title = selected.querySelector('.js-data-value').innerText.trim();
-        return `${this.symbol}${this.getEscapedText(title)}`;
+        return `${this.symbol}${gl.DropdownUtils.getEscapedText(title)}`;
       });
     }
 
-    getEscapedText(text) {
-      let escapedText = text;
-      const hasSpace = text.indexOf(' ') !== -1;
-      const hasDoubleQuote = text.indexOf('"') !== -1;
-
-      // Encapsulate value with quotes if it has spaces
-      // Known side effect: values's with both single and double quotes
-      // won't escape properly
-      if (hasSpace) {
-        if (hasDoubleQuote) {
-          escapedText = `'${text}'`;
-        } else {
-          // Encapsulate singleQuotes or if it hasSpace
-          escapedText = `"${text}"`;
-        }
-      }
-
-      return escapedText;
-    }
-
-    filterWithSymbol(filterSymbol, item, query) {
-      const updatedItem = item;
-      const { value } = gl.FilteredSearchTokenizer.getLastTokenObject(query);
-      const valueWithoutColon = value.slice(1).toLowerCase();
-      const prefix = valueWithoutColon[0];
-      const valueWithoutPrefix = valueWithoutColon.slice(1);
-
-      const title = updatedItem.title.toLowerCase();
-
-      // Eg. filterSymbol = ~ for labels
-      const matchWithoutPrefix =
-        prefix === filterSymbol && title.indexOf(valueWithoutPrefix) !== -1;
-      const match = title.indexOf(valueWithoutColon) !== -1;
-
-      updatedItem.droplab_hidden = !match && !matchWithoutPrefix;
-      return updatedItem;
-    }
-
     renderContent(forceShowList = false) {
       this.droplab
         .changeHookList(this.hookId, this.dropdown, [droplabAjax, droplabFilter], this.config);

app/assets/javascripts/filtered_search/dropdown_user.js.es6

 /*= require filtered_search/filtered_search_dropdown */
+
+/* global droplabAjaxFilter */
+
 (() => {
   class DropdownUser extends gl.FilteredSearchDropdown {
     constructor(droplab, dropdown, input) {

app/assets/javascripts/filtered_search/filtered_search_dropdown.js.es6

@@ -28,7 +28,7 @@
 
     itemClicked(e, getValueFunction) {
       const { selected } = e.detail;
-      const dataValueSet = this.setDataValueIfSelected(selected);
+      const dataValueSet = gl.DropdownUtils.setDataValueIfSelected(selected);
 
       if (!dataValueSet) {
         const value = getValueFunction(selected);
@@ -46,17 +46,6 @@
       this.dropdown.style.left = `${offset}px`;
     }
 
-    setDataValueIfSelected(selected) {
-      const dataValue = selected.getAttribute('data-value');
-
-      if (dataValue) {
-        gl.FilteredSearchDropdownManager.addWordToInput(dataValue);
-      }
-
-      // Return boolean based on whether it was set
-      return dataValue !== null;
-    }
-
     renderContent(forceShowList = false) {
       if (forceShowList && this.getCurrentHook().list.hidden) {
         this.getCurrentHook().list.show();

app/assets/javascripts/filtered_search/filtered_search_dropdown_manager.js.es6

+/* global DropLab */
+
 (() => {
   class FilteredSearchDropdownManager {
     constructor() {

app/assets/javascripts/filtered_search/filtered_search_manager.js.es6

+/* global Turbolinks */
+
 (() => {
   class FilteredSearchManager {
     constructor() {

app/assets/javascripts/filtered_search/filtered_search_tokenizer.js.es6

@@ -16,7 +16,7 @@
         tokenKey,
         tokenValue,
         tokenSymbol,
-      }
+      };
     }
 
     static getLastTokenObject(input) {
@@ -29,7 +29,7 @@
       return {
         key,
         value,
-      }
+      };
     }
 
     static getLastToken(input) {
@@ -40,19 +40,19 @@
 
       const doubleQuote = '"';
       const singleQuote = '\'';
-      while(!completeToken && i >= 0) {
+      while (!completeToken && i >= 0) {
         const isDoubleQuote = input[i] === doubleQuote;
         const isSingleQuote = input[i] === singleQuote;
 
         // If the second quotation is found
-        if ((lastQuotation === doubleQuote && input[i] === doubleQuote) ||
-          (lastQuotation === singleQuote && input[i] === singleQuote)) {
+        if ((lastQuotation === doubleQuote && isDoubleQuote) ||
+          (lastQuotation === singleQuote && isSingleQuote)) {
           completeQuotation = true;
         }
 
         // Save the first quotation
-        if ((input[i] === doubleQuote && lastQuotation === '') ||
-          (input[i] === singleQuote && lastQuotation === '')) {
+        if ((isDoubleQuote && lastQuotation === '') ||
+          (isSingleQuote && lastQuotation === '')) {
           lastQuotation = input[i];
           completeQuotation = false;
         }
@@ -60,7 +60,7 @@
         if (completeQuotation && input[i] === ' ') {
           completeToken = true;
         } else {
-          i--;
+          i -= 1;
         }
       }
 
@@ -69,7 +69,7 @@
     }
 
     static processTokens(input) {
-      let tokens = [];
+      const tokens = [];
       let searchToken = '';
       let lastToken = '';
 
@@ -118,16 +118,20 @@
           const singleQuoteExist = singleQuoteIndex !== -1;
 
           const doubleQuoteExistOnly = doubleQuoteExist && !singleQuoteExist;
-          const doubleQuoteIsBeforeSingleQuote = doubleQuoteExist && singleQuoteExist && doubleQuoteIndex < singleQuoteIndex;
+          const doubleQuoteIsBeforeSingleQuote =
+            doubleQuoteExist && singleQuoteExist && doubleQuoteIndex < singleQuoteIndex;
 
           const singleQuoteExistOnly = singleQuoteExist && !doubleQuoteExist;
-          const singleQuoteIsBeforeDoubleQuote = doubleQuoteExist && singleQuoteExist && singleQuoteIndex < doubleQuoteIndex;
+          const singleQuoteIsBeforeDoubleQuote =
+            doubleQuoteExist && singleQuoteExist && singleQuoteIndex < doubleQuoteIndex;
 
-          if ((doubleQuoteExistOnly || doubleQuoteIsBeforeSingleQuote) && doubleQuoteOccurrences % 2 !== 0) {
+          if ((doubleQuoteExistOnly || doubleQuoteIsBeforeSingleQuote)
+              && doubleQuoteOccurrences % 2 !== 0) {
             // " is found and is in front of ' (if any)
             lastQuotation = '"';
             incompleteToken = true;
-          } else if ((singleQuoteExistOnly || singleQuoteIsBeforeDoubleQuote) && singleQuoteOccurrences % 2 !== 0) {
+          } else if ((singleQuoteExistOnly || singleQuoteIsBeforeDoubleQuote)
+              && singleQuoteOccurrences % 2 !== 0) {
             // ' is found and is in front of " (if any)
             lastQuotation = '\'';
             incompleteToken = true;
@@ -137,7 +141,7 @@
             tokens.push({
               key: keyMatch.key,
               value: tokenValue,
-              wildcard: symbolMatch ? false : true,
+              wildcard: !symbolMatch,
             });
             lastToken = tokens.last();