\n//\n\nconst LineHighlighter = function (options = {}) {\n options.highlightLineClass = options.highlightLineClass || 'hll';\n options.fileHolderSelector = options.fileHolderSelector || '.file-holder';\n options.scrollFileHolder = options.scrollFileHolder || false;\n options.hash = options.hash || window.location.hash;\n options.scrollBehavior = options.scrollBehavior || 'smooth';\n\n this.options = options;\n this._hash = options.hash;\n this.highlightLineClass = options.highlightLineClass;\n this.setHash = this.setHash.bind(this);\n this.highlightLine = this.highlightLine.bind(this);\n this.clickHandler = this.clickHandler.bind(this);\n this.highlightHash = this.highlightHash.bind(this);\n\n this.bindEvents();\n this.highlightHash();\n};\n\nLineHighlighter.prototype.bindEvents = function () {\n const fileHolder = document.querySelector(this.options.fileHolderSelector);\n if (fileHolder) {\n fileHolder.addEventListener('click', this.clickHandler);\n fileHolder.addEventListener('highlight:line', this.highlightHash);\n window.addEventListener('hashchange', (e) => this.highlightHash(e.target.location.hash));\n }\n};\n\nLineHighlighter.prototype.highlightHash = function (newHash, scrollEnabled = true) {\n let range;\n if (newHash && typeof newHash === 'string') this._hash = newHash;\n\n this.clearHighlight();\n\n if (this._hash !== '') {\n range = this.hashToRange(this._hash);\n if (range[0]) {\n this.highlightRange(range);\n const lineSelector = `#L${range[0]}`;\n\n if (scrollEnabled) {\n scrollToElement(lineSelector, {\n // Scroll to the first highlighted line on initial load\n // Add an offset of -100 for some context\n offset: -100,\n behavior: this.options.scrollBehavior,\n });\n }\n }\n }\n};\n\nLineHighlighter.prototype.clickHandler = function (event) {\n const isLine = event.target.matches('a[data-line-number]');\n if (isLine) {\n let range;\n event.preventDefault();\n this.clearHighlight();\n const lineNumber = parseInt(event.target.dataset.lineNumber, 10);\n const current = this.hashToRange(this._hash);\n if (!(current[0] && event.shiftKey)) {\n // If there's no current selection, or there is but Shift wasn't held,\n // treat this like a single-line selection.\n this.setHash(lineNumber);\n return this.highlightLine(lineNumber);\n }\n if (event.shiftKey) {\n if (lineNumber < current[0]) {\n range = [lineNumber, current[0]];\n } else {\n range = [current[0], lineNumber];\n }\n this.setHash(range[0], range[1]);\n return this.highlightRange(range);\n }\n }\n};\n\nLineHighlighter.prototype.clearHighlight = function () {\n const highlightedLines = document.getElementsByClassName(this.highlightLineClass);\n Array.from(highlightedLines).forEach(function (line) {\n line.classList.remove(this.highlightLineClass);\n }, this);\n};\n\n// Convert a URL hash String into line numbers\n//\n// hash - Hash String\n//\n// Examples:\n//\n// hashToRange('#L5') # => [5, null]\n// hashToRange('#L5-15') # => [5, 15]\n// hashToRange('#foo') # => [null, null]\n//\n// Returns an Array\nLineHighlighter.prototype.hashToRange = function (hash) {\n // ?L(\\d+)(?:-L?(\\d+))?$/)\n const matches = hash.match(/^#?L(\\d+)(?:-L?(\\d+))?$/);\n if (matches && matches.length) {\n const first = parseInt(matches[1], 10);\n const last = matches[2] ? parseInt(matches[2], 10) : null;\n return [first, last];\n }\n return [null, null];\n};\n\n// Highlight a single line\n//\n// lineNumber - Line number to highlight\nLineHighlighter.prototype.highlightLine = function (lineNumber) {\n const lineElement = document.getElementById(`LC${lineNumber}`);\n if (lineElement) {\n lineElement.classList.add(this.highlightLineClass);\n }\n};\n\n// Highlight all lines within a range\n//\n// range - Array containing the starting and ending line numbers\nLineHighlighter.prototype.highlightRange = function (range) {\n if (range[1]) {\n const results = [];\n const ref = range[0] <= range[1] ? range : range.reverse();\n\n for (let lineNumber = range[0]; lineNumber <= ref[1]; lineNumber += 1) {\n results.push(this.highlightLine(lineNumber));\n }\n\n return results;\n }\n return this.highlightLine(range[0]);\n};\n\n// Set the URL hash string\nLineHighlighter.prototype.setHash = function (firstLineNumber, lastLineNumber) {\n let hash;\n if (lastLineNumber) {\n hash = `#L${firstLineNumber}-${lastLineNumber}`;\n } else {\n hash = `#L${firstLineNumber}`;\n }\n this._hash = hash;\n return this.__setLocationHash__(hash);\n};\n\n// Make the actual hash change in the browser\n//\n// This method is stubbed in tests.\nLineHighlighter.prototype.__setLocationHash__ = function (value) {\n return window.history.pushState(\n {\n url: value,\n // We're using pushState instead of assigning location.hash directly to\n // prevent the page from scrolling on the hashchange event\n },\n document.title,\n value,\n );\n};\n\nexport default LineHighlighter;\n","'use strict';\nvar tryToString = require('../internals/try-to-string');\n\nvar $TypeError = TypeError;\n\nmodule.exports = function (O, P) {\n if (!delete O[P]) throw new $TypeError('Cannot delete property ' + tryToString(P) + ' of ' + tryToString(O));\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar toObject = require('../internals/to-object');\nvar lengthOfArrayLike = require('../internals/length-of-array-like');\nvar setArrayLength = require('../internals/array-set-length');\nvar deletePropertyOrThrow = require('../internals/delete-property-or-throw');\nvar doesNotExceedSafeInteger = require('../internals/does-not-exceed-safe-integer');\n\n// IE8-\nvar INCORRECT_RESULT = [].unshift(0) !== 1;\n\n// V8 ~ Chrome < 71 and Safari <= 15.4, FF < 23 throws InternalError\nvar properErrorOnNonWritableLength = function () {\n try {\n // eslint-disable-next-line es/no-object-defineproperty -- safe\n Object.defineProperty([], 'length', { writable: false }).unshift();\n } catch (error) {\n return error instanceof TypeError;\n }\n};\n\nvar FORCED = INCORRECT_RESULT || !properErrorOnNonWritableLength();\n\n// `Array.prototype.unshift` method\n// https://tc39.es/ecma262/#sec-array.prototype.unshift\n$({ target: 'Array', proto: true, arity: 1, forced: FORCED }, {\n // eslint-disable-next-line no-unused-vars -- required for `.length`\n unshift: function unshift(item) {\n var O = toObject(this);\n var len = lengthOfArrayLike(O);\n var argCount = arguments.length;\n if (argCount) {\n doesNotExceedSafeInteger(len + argCount);\n var k = len;\n while (k--) {\n var to = k + argCount;\n if (k in O) O[to] = O[k];\n else deletePropertyOrThrow(O, to);\n }\n for (var j = 0; j < argCount; j++) {\n O[j] = arguments[j];\n }\n } return setArrayLength(O, len + argCount);\n }\n});\n","import {\n getBaseURL,\n updateHistory,\n urlIsDifferent,\n urlContainsSha,\n getShaFromUrl,\n} from '~/lib/utils/url_utility';\nimport { updateRefPortionOfTitle } from '~/repository/utils/title';\n\nconst blameLinesPerPage = document.querySelector('.js-per-page')?.dataset?.blamePerPage;\n\nexport const getPageParamValue = (lineNum, blamePerPage = blameLinesPerPage) => {\n if (!blamePerPage) return '';\n const page = Math.ceil(parseInt(lineNum, 10) / parseInt(blamePerPage, 10));\n return page <= 1 ? '' : page;\n};\n\nexport const getPageSearchString = (path, page) => {\n if (!page) return '';\n const url = new URL(path, getBaseURL());\n url.searchParams.set('page', page);\n return url.search;\n};\n\nexport function moveToFilePermalink() {\n const fileBlobPermalinkUrlElement = document.querySelector('.js-data-file-blob-permalink-url');\n const permalink = fileBlobPermalinkUrlElement?.getAttribute('href');\n\n if (!permalink) {\n return;\n }\n\n if (urlIsDifferent(permalink)) {\n updateHistory({\n url: permalink,\n title: document.title,\n });\n\n if (urlContainsSha({ url: permalink })) {\n updateRefPortionOfTitle(getShaFromUrl({ url: permalink }));\n }\n }\n}\n\nfunction eventHasModifierKeys(event) {\n // We ignore alt because I don't think alt clicks normally do anything special?\n return event.ctrlKey || event.metaKey || event.shiftKey;\n}\n\nexport function shortcircuitPermalinkButton() {\n const fileBlobPermalinkUrlElement = document.querySelector('.js-data-file-blob-permalink-url');\n\n fileBlobPermalinkUrlElement?.addEventListener('click', (e) => {\n if (!eventHasModifierKeys(e)) {\n e.preventDefault();\n moveToFilePermalink();\n }\n });\n}\n\nexport default () => ({});\n","// This is the only file allowed to import directly from the package.\n// eslint-disable-next-line no-restricted-imports\nimport Mousetrap from 'mousetrap';\n\nconst additionalStopCallbacks = [];\nconst originalStopCallback = Mousetrap.prototype.stopCallback;\n\nMousetrap.prototype.stopCallback = function customStopCallback(e, element, combo) {\n for (const callback of additionalStopCallbacks) {\n const returnValue = callback.call(this, e, element, combo);\n if (returnValue !== undefined) return returnValue;\n }\n\n return originalStopCallback.call(this, e, element, combo);\n};\n\n/**\n * Add a stop callback to Mousetrap.\n *\n * This allows overriding the default behaviour of Mousetrap#stopCallback,\n * which is to stop the bound key handler/callback from being called if the key\n * combo is pressed inside form fields (input, select, textareas, etc). See\n * https://craig.is/killing/mice#api.stopCallback.\n *\n * The stopCallback registered here has the same signature as\n * Mousetrap#stopCallback, with the one difference being that the callback\n * should return `undefined` if it has no opinion on whether the current key\n * combo should be stopped or not, and the next stop callback should be\n * consulted instead. If a boolean is returned, no other stop callbacks are\n * called.\n *\n * Note: This approach does not always work as expected when coupled with\n * Mousetrap's pause plugin, which is used for enabling/disabling all keyboard\n * shortcuts. That plugin assumes it's the first to execute and overwrite\n * Mousetrap's `stopCallback` method, whereas to work correctly with this, it\n * must execute last. This is not guaranteed or even attempted.\n *\n * To work correctly, we may need to reimplement the pause plugin here.\n *\n * @param {(e: Event, element: Element, combo: string) => boolean|undefined}\n * stopCallback The additional stop callback function to add to the chain\n * of stop callbacks.\n * @returns {void}\n */\nexport const addStopCallback = (stopCallback) => {\n // Unshift, since we want to iterate through them in reverse order, so that\n // the most recently added handler is called first, and the original\n // stopCallback method is called last.\n additionalStopCallbacks.unshift(stopCallback);\n};\n\n/**\n * Clear additionalStopCallbacks. Used only for tests.\n */\nexport const clearStopCallbacksForTests = () => {\n additionalStopCallbacks.length = 0;\n};\n\nexport const MOUSETRAP_COPY_KEYBOARD_SHORTCUT = 'mod+c';\n\nexport { Mousetrap };\n","import Shortcuts from '~/behaviors/shortcuts/shortcuts';\n\nexport const initFindFileShortcut = () => {\n const findFileButton = document.querySelector('.shortcuts-find-file');\n if (!findFileButton) return;\n findFileButton.addEventListener('click', Shortcuts.focusSearchFile);\n};\n","/**\n * adds a pause and unpause method to Mousetrap\n * this allows you to enable or disable keyboard shortcuts\n * without having to reset Mousetrap and rebind everything\n */\n/* global Mousetrap:true */\n(function(Mousetrap) {\n var _originalStopCallback = Mousetrap.prototype.stopCallback;\n\n Mousetrap.prototype.stopCallback = function(e, element, combo) {\n var self = this;\n\n if (self.paused) {\n return true;\n }\n\n return _originalStopCallback.call(self, e, element, combo);\n };\n\n Mousetrap.prototype.pause = function() {\n var self = this;\n self.paused = true;\n };\n\n Mousetrap.prototype.unpause = function() {\n var self = this;\n self.paused = false;\n };\n\n Mousetrap.init();\n}) (Mousetrap);\n","import { getLocationHash } from '~/lib/utils/url_utility';\nimport { getPageParamValue, getPageSearchString } from './utils';\n\nconst lineNumberRe = /^(L|LC)[0-9]+/;\n\nconst updateLineNumbersOnBlobPermalinks = (linksToUpdate) => {\n const hash = getLocationHash();\n if (hash && lineNumberRe.test(hash)) {\n const hashUrlString = `#${hash}`;\n\n [].concat(Array.prototype.slice.call(linksToUpdate)).forEach((permalinkButton) => {\n const baseHref =\n permalinkButton.dataset.originalHref ||\n (() => {\n const href = permalinkButton.getAttribute('href');\n // eslint-disable-next-line no-param-reassign\n permalinkButton.dataset.originalHref = href;\n return href;\n })();\n const lineNum = parseInt(hash.split('L')[1], 10);\n const page = getPageParamValue(lineNum);\n const searchString = getPageSearchString(baseHref, page);\n permalinkButton.setAttribute('href', `${baseHref}${searchString}${hashUrlString}`);\n });\n }\n};\n\nfunction BlobLinePermalinkUpdater(blobContentHolder, lineNumberSelector, elementsToUpdate) {\n if (!blobContentHolder) return;\n const updateBlameAndBlobPermalinkCb = () => {\n // Wait for the hash to update from the LineHighlighter callback\n setTimeout(() => {\n updateLineNumbersOnBlobPermalinks(elementsToUpdate);\n }, 0);\n };\n\n blobContentHolder.addEventListener('click', (e) => {\n if (e.target.matches(lineNumberSelector)) {\n updateBlameAndBlobPermalinkCb();\n }\n });\n updateBlameAndBlobPermalinkCb();\n}\n\nexport default BlobLinePermalinkUpdater;\n","import { PROJECT_FILES_GO_TO_PERMALINK } from '~/behaviors/shortcuts/keybindings';\nimport { moveToFilePermalink } from '~/blob/utils';\n\nexport default class ShortcutsBlob {\n constructor(shortcuts) {\n const { blobOverflowMenu } = gon.features ?? {};\n if (blobOverflowMenu) {\n // TODO: Remove ShortcutsBlob entirely once these feature flags are removed.\n return;\n }\n\n shortcuts.add(PROJECT_FILES_GO_TO_PERMALINK, moveToFilePermalink);\n }\n}\n","const DEFAULT_TITLE = '· GitLab';\n\nexport const setTitle = (pathMatch, ref, project) => {\n if (!pathMatch) {\n document.title = `${project} ${DEFAULT_TITLE}`;\n return;\n }\n\n const path = pathMatch.replace(/^\\//, '');\n const isEmpty = path === '';\n\n /* eslint-disable-next-line @gitlab/require-i18n-strings */\n document.title = `${isEmpty ? 'Files' : path} · ${ref} · ${project} ${DEFAULT_TITLE}`;\n};\n\nexport function updateRefPortionOfTitle(sha, doc = document) {\n const { title = '' } = doc;\n const titleParts = title.split(' · ');\n\n if (titleParts.length > 1) {\n titleParts[1] = sha;\n\n /* eslint-disable-next-line no-param-reassign */\n doc.title = titleParts.join(' · ');\n }\n}\n","/*global define:false */\n/**\n * Copyright 2012-2017 Craig Campbell\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n *\n * Mousetrap is a simple keyboard shortcut library for Javascript with\n * no external dependencies\n *\n * @version 1.6.5\n * @url craig.is/killing/mice\n */\n(function(window, document, undefined) {\n\n // Check if mousetrap is used inside browser, if not, return\n if (!window) {\n return;\n }\n\n /**\n * mapping of special keycodes to their corresponding keys\n *\n * everything in this dictionary cannot use keypress events\n * so it has to be here to map to the correct keycodes for\n * keyup/keydown events\n *\n * @type {Object}\n */\n var _MAP = {\n 8: 'backspace',\n 9: 'tab',\n 13: 'enter',\n 16: 'shift',\n 17: 'ctrl',\n 18: 'alt',\n 20: 'capslock',\n 27: 'esc',\n 32: 'space',\n 33: 'pageup',\n 34: 'pagedown',\n 35: 'end',\n 36: 'home',\n 37: 'left',\n 38: 'up',\n 39: 'right',\n 40: 'down',\n 45: 'ins',\n 46: 'del',\n 91: 'meta',\n 93: 'meta',\n 224: 'meta'\n };\n\n /**\n * mapping for special characters so they can support\n *\n * this dictionary is only used incase you want to bind a\n * keyup or keydown event to one of these keys\n *\n * @type {Object}\n */\n var _KEYCODE_MAP = {\n 106: '*',\n 107: '+',\n 109: '-',\n 110: '.',\n 111 : '/',\n 186: ';',\n 187: '=',\n 188: ',',\n 189: '-',\n 190: '.',\n 191: '/',\n 192: '`',\n 219: '[',\n 220: '\\\\',\n 221: ']',\n 222: '\\''\n };\n\n /**\n * this is a mapping of keys that require shift on a US keypad\n * back to the non shift equivelents\n *\n * this is so you can use keyup events with these keys\n *\n * note that this will only work reliably on US keyboards\n *\n * @type {Object}\n */\n var _SHIFT_MAP = {\n '~': '`',\n '!': '1',\n '@': '2',\n '#': '3',\n '$': '4',\n '%': '5',\n '^': '6',\n '&': '7',\n '*': '8',\n '(': '9',\n ')': '0',\n '_': '-',\n '+': '=',\n ':': ';',\n '\\\"': '\\'',\n '<': ',',\n '>': '.',\n '?': '/',\n '|': '\\\\'\n };\n\n /**\n * this is a list of special strings you can use to map\n * to modifier keys when you specify your keyboard shortcuts\n *\n * @type {Object}\n */\n var _SPECIAL_ALIASES = {\n 'option': 'alt',\n 'command': 'meta',\n 'return': 'enter',\n 'escape': 'esc',\n 'plus': '+',\n 'mod': /Mac|iPod|iPhone|iPad/.test(navigator.platform) ? 'meta' : 'ctrl'\n };\n\n /**\n * variable to store the flipped version of _MAP from above\n * needed to check if we should use keypress or not when no action\n * is specified\n *\n * @type {Object|undefined}\n */\n var _REVERSE_MAP;\n\n /**\n * loop through the f keys, f1 to f19 and add them to the map\n * programatically\n */\n for (var i = 1; i < 20; ++i) {\n _MAP[111 + i] = 'f' + i;\n }\n\n /**\n * loop through to map numbers on the numeric keypad\n */\n for (i = 0; i <= 9; ++i) {\n\n // This needs to use a string cause otherwise since 0 is falsey\n // mousetrap will never fire for numpad 0 pressed as part of a keydown\n // event.\n //\n // @see https://github.com/ccampbell/mousetrap/pull/258\n _MAP[i + 96] = i.toString();\n }\n\n /**\n * cross browser add event method\n *\n * @param {Element|HTMLDocument} object\n * @param {string} type\n * @param {Function} callback\n * @returns void\n */\n function _addEvent(object, type, callback) {\n if (object.addEventListener) {\n object.addEventListener(type, callback, false);\n return;\n }\n\n object.attachEvent('on' + type, callback);\n }\n\n /**\n * takes the event and returns the key character\n *\n * @param {Event} e\n * @return {string}\n */\n function _characterFromEvent(e) {\n\n // for keypress events we should return the character as is\n if (e.type == 'keypress') {\n var character = String.fromCharCode(e.which);\n\n // if the shift key is not pressed then it is safe to assume\n // that we want the character to be lowercase. this means if\n // you accidentally have caps lock on then your key bindings\n // will continue to work\n //\n // the only side effect that might not be desired is if you\n // bind something like 'A' cause you want to trigger an\n // event when capital A is pressed caps lock will no longer\n // trigger the event. shift+a will though.\n if (!e.shiftKey) {\n character = character.toLowerCase();\n }\n\n return character;\n }\n\n // for non keypress events the special maps are needed\n if (_MAP[e.which]) {\n return _MAP[e.which];\n }\n\n if (_KEYCODE_MAP[e.which]) {\n return _KEYCODE_MAP[e.which];\n }\n\n // if it is not in the special map\n\n // with keydown and keyup events the character seems to always\n // come in as an uppercase character whether you are pressing shift\n // or not. we should make sure it is always lowercase for comparisons\n return String.fromCharCode(e.which).toLowerCase();\n }\n\n /**\n * checks if two arrays are equal\n *\n * @param {Array} modifiers1\n * @param {Array} modifiers2\n * @returns {boolean}\n */\n function _modifiersMatch(modifiers1, modifiers2) {\n return modifiers1.sort().join(',') === modifiers2.sort().join(',');\n }\n\n /**\n * takes a key event and figures out what the modifiers are\n *\n * @param {Event} e\n * @returns {Array}\n */\n function _eventModifiers(e) {\n var modifiers = [];\n\n if (e.shiftKey) {\n modifiers.push('shift');\n }\n\n if (e.altKey) {\n modifiers.push('alt');\n }\n\n if (e.ctrlKey) {\n modifiers.push('ctrl');\n }\n\n if (e.metaKey) {\n modifiers.push('meta');\n }\n\n return modifiers;\n }\n\n /**\n * prevents default for this event\n *\n * @param {Event} e\n * @returns void\n */\n function _preventDefault(e) {\n if (e.preventDefault) {\n e.preventDefault();\n return;\n }\n\n e.returnValue = false;\n }\n\n /**\n * stops propogation for this event\n *\n * @param {Event} e\n * @returns void\n */\n function _stopPropagation(e) {\n if (e.stopPropagation) {\n e.stopPropagation();\n return;\n }\n\n e.cancelBubble = true;\n }\n\n /**\n * determines if the keycode specified is a modifier key or not\n *\n * @param {string} key\n * @returns {boolean}\n */\n function _isModifier(key) {\n return key == 'shift' || key == 'ctrl' || key == 'alt' || key == 'meta';\n }\n\n /**\n * reverses the map lookup so that we can look for specific keys\n * to see what can and can't use keypress\n *\n * @return {Object}\n */\n function _getReverseMap() {\n if (!_REVERSE_MAP) {\n _REVERSE_MAP = {};\n for (var key in _MAP) {\n\n // pull out the numeric keypad from here cause keypress should\n // be able to detect the keys from the character\n if (key > 95 && key < 112) {\n continue;\n }\n\n if (_MAP.hasOwnProperty(key)) {\n _REVERSE_MAP[_MAP[key]] = key;\n }\n }\n }\n return _REVERSE_MAP;\n }\n\n /**\n * picks the best action based on the key combination\n *\n * @param {string} key - character for key\n * @param {Array} modifiers\n * @param {string=} action passed in\n */\n function _pickBestAction(key, modifiers, action) {\n\n // if no action was picked in we should try to pick the one\n // that we think would work best for this key\n if (!action) {\n action = _getReverseMap()[key] ? 'keydown' : 'keypress';\n }\n\n // modifier keys don't work as expected with keypress,\n // switch to keydown\n if (action == 'keypress' && modifiers.length) {\n action = 'keydown';\n }\n\n return action;\n }\n\n /**\n * Converts from a string key combination to an array\n *\n * @param {string} combination like \"command+shift+l\"\n * @return {Array}\n */\n function _keysFromString(combination) {\n if (combination === '+') {\n return ['+'];\n }\n\n combination = combination.replace(/\\+{2}/g, '+plus');\n return combination.split('+');\n }\n\n /**\n * Gets info for a specific key combination\n *\n * @param {string} combination key combination (\"command+s\" or \"a\" or \"*\")\n * @param {string=} action\n * @returns {Object}\n */\n function _getKeyInfo(combination, action) {\n var keys;\n var key;\n var i;\n var modifiers = [];\n\n // take the keys from this pattern and figure out what the actual\n // pattern is all about\n keys = _keysFromString(combination);\n\n for (i = 0; i < keys.length; ++i) {\n key = keys[i];\n\n // normalize key names\n if (_SPECIAL_ALIASES[key]) {\n key = _SPECIAL_ALIASES[key];\n }\n\n // if this is not a keypress event then we should\n // be smart about using shift keys\n // this will only work for US keyboards however\n if (action && action != 'keypress' && _SHIFT_MAP[key]) {\n key = _SHIFT_MAP[key];\n modifiers.push('shift');\n }\n\n // if this key is a modifier then add it to the list of modifiers\n if (_isModifier(key)) {\n modifiers.push(key);\n }\n }\n\n // depending on what the key combination is\n // we will try to pick the best event for it\n action = _pickBestAction(key, modifiers, action);\n\n return {\n key: key,\n modifiers: modifiers,\n action: action\n };\n }\n\n function _belongsTo(element, ancestor) {\n if (element === null || element === document) {\n return false;\n }\n\n if (element === ancestor) {\n return true;\n }\n\n return _belongsTo(element.parentNode, ancestor);\n }\n\n function Mousetrap(targetElement) {\n var self = this;\n\n targetElement = targetElement || document;\n\n if (!(self instanceof Mousetrap)) {\n return new Mousetrap(targetElement);\n }\n\n /**\n * element to attach key events to\n *\n * @type {Element}\n */\n self.target = targetElement;\n\n /**\n * a list of all the callbacks setup via Mousetrap.bind()\n *\n * @type {Object}\n */\n self._callbacks = {};\n\n /**\n * direct map of string combinations to callbacks used for trigger()\n *\n * @type {Object}\n */\n self._directMap = {};\n\n /**\n * keeps track of what level each sequence is at since multiple\n * sequences can start out with the same sequence\n *\n * @type {Object}\n */\n var _sequenceLevels = {};\n\n /**\n * variable to store the setTimeout call\n *\n * @type {null|number}\n */\n var _resetTimer;\n\n /**\n * temporary state where we will ignore the next keyup\n *\n * @type {boolean|string}\n */\n var _ignoreNextKeyup = false;\n\n /**\n * temporary state where we will ignore the next keypress\n *\n * @type {boolean}\n */\n var _ignoreNextKeypress = false;\n\n /**\n * are we currently inside of a sequence?\n * type of action (\"keyup\" or \"keydown\" or \"keypress\") or false\n *\n * @type {boolean|string}\n */\n var _nextExpectedAction = false;\n\n /**\n * resets all sequence counters except for the ones passed in\n *\n * @param {Object} doNotReset\n * @returns void\n */\n function _resetSequences(doNotReset) {\n doNotReset = doNotReset || {};\n\n var activeSequences = false,\n key;\n\n for (key in _sequenceLevels) {\n if (doNotReset[key]) {\n activeSequences = true;\n continue;\n }\n _sequenceLevels[key] = 0;\n }\n\n if (!activeSequences) {\n _nextExpectedAction = false;\n }\n }\n\n /**\n * finds all callbacks that match based on the keycode, modifiers,\n * and action\n *\n * @param {string} character\n * @param {Array} modifiers\n * @param {Event|Object} e\n * @param {string=} sequenceName - name of the sequence we are looking for\n * @param {string=} combination\n * @param {number=} level\n * @returns {Array}\n */\n function _getMatches(character, modifiers, e, sequenceName, combination, level) {\n var i;\n var callback;\n var matches = [];\n var action = e.type;\n\n // if there are no events related to this keycode\n if (!self._callbacks[character]) {\n return [];\n }\n\n // if a modifier key is coming up on its own we should allow it\n if (action == 'keyup' && _isModifier(character)) {\n modifiers = [character];\n }\n\n // loop through all callbacks for the key that was pressed\n // and see if any of them match\n for (i = 0; i < self._callbacks[character].length; ++i) {\n callback = self._callbacks[character][i];\n\n // if a sequence name is not specified, but this is a sequence at\n // the wrong level then move onto the next match\n if (!sequenceName && callback.seq && _sequenceLevels[callback.seq] != callback.level) {\n continue;\n }\n\n // if the action we are looking for doesn't match the action we got\n // then we should keep going\n if (action != callback.action) {\n continue;\n }\n\n // if this is a keypress event and the meta key and control key\n // are not pressed that means that we need to only look at the\n // character, otherwise check the modifiers as well\n //\n // chrome will not fire a keypress if meta or control is down\n // safari will fire a keypress if meta or meta+shift is down\n // firefox will fire a keypress if meta or control is down\n if ((action == 'keypress' && !e.metaKey && !e.ctrlKey) || _modifiersMatch(modifiers, callback.modifiers)) {\n\n // when you bind a combination or sequence a second time it\n // should overwrite the first one. if a sequenceName or\n // combination is specified in this call it does just that\n //\n // @todo make deleting its own method?\n var deleteCombo = !sequenceName && callback.combo == combination;\n var deleteSequence = sequenceName && callback.seq == sequenceName && callback.level == level;\n if (deleteCombo || deleteSequence) {\n self._callbacks[character].splice(i, 1);\n }\n\n matches.push(callback);\n }\n }\n\n return matches;\n }\n\n /**\n * actually calls the callback function\n *\n * if your callback function returns false this will use the jquery\n * convention - prevent default and stop propogation on the event\n *\n * @param {Function} callback\n * @param {Event} e\n * @returns void\n */\n function _fireCallback(callback, e, combo, sequence) {\n\n // if this event should not happen stop here\n if (self.stopCallback(e, e.target || e.srcElement, combo, sequence)) {\n return;\n }\n\n if (callback(e, combo) === false) {\n _preventDefault(e);\n _stopPropagation(e);\n }\n }\n\n /**\n * handles a character key event\n *\n * @param {string} character\n * @param {Array} modifiers\n * @param {Event} e\n * @returns void\n */\n self._handleKey = function(character, modifiers, e) {\n var callbacks = _getMatches(character, modifiers, e);\n var i;\n var doNotReset = {};\n var maxLevel = 0;\n var processedSequenceCallback = false;\n\n // Calculate the maxLevel for sequences so we can only execute the longest callback sequence\n for (i = 0; i < callbacks.length; ++i) {\n if (callbacks[i].seq) {\n maxLevel = Math.max(maxLevel, callbacks[i].level);\n }\n }\n\n // loop through matching callbacks for this key event\n for (i = 0; i < callbacks.length; ++i) {\n\n // fire for all sequence callbacks\n // this is because if for example you have multiple sequences\n // bound such as \"g i\" and \"g t\" they both need to fire the\n // callback for matching g cause otherwise you can only ever\n // match the first one\n if (callbacks[i].seq) {\n\n // only fire callbacks for the maxLevel to prevent\n // subsequences from also firing\n //\n // for example 'a option b' should not cause 'option b' to fire\n // even though 'option b' is part of the other sequence\n //\n // any sequences that do not match here will be discarded\n // below by the _resetSequences call\n if (callbacks[i].level != maxLevel) {\n continue;\n }\n\n processedSequenceCallback = true;\n\n // keep a list of which sequences were matches for later\n doNotReset[callbacks[i].seq] = 1;\n _fireCallback(callbacks[i].callback, e, callbacks[i].combo, callbacks[i].seq);\n continue;\n }\n\n // if there were no sequence matches but we are still here\n // that means this is a regular match so we should fire that\n if (!processedSequenceCallback) {\n _fireCallback(callbacks[i].callback, e, callbacks[i].combo);\n }\n }\n\n // if the key you pressed matches the type of sequence without\n // being a modifier (ie \"keyup\" or \"keypress\") then we should\n // reset all sequences that were not matched by this event\n //\n // this is so, for example, if you have the sequence \"h a t\" and you\n // type \"h e a r t\" it does not match. in this case the \"e\" will\n // cause the sequence to reset\n //\n // modifier keys are ignored because you can have a sequence\n // that contains modifiers such as \"enter ctrl+space\" and in most\n // cases the modifier key will be pressed before the next key\n //\n // also if you have a sequence such as \"ctrl+b a\" then pressing the\n // \"b\" key will trigger a \"keypress\" and a \"keydown\"\n //\n // the \"keydown\" is expected when there is a modifier, but the\n // \"keypress\" ends up matching the _nextExpectedAction since it occurs\n // after and that causes the sequence to reset\n //\n // we ignore keypresses in a sequence that directly follow a keydown\n // for the same character\n var ignoreThisKeypress = e.type == 'keypress' && _ignoreNextKeypress;\n if (e.type == _nextExpectedAction && !_isModifier(character) && !ignoreThisKeypress) {\n _resetSequences(doNotReset);\n }\n\n _ignoreNextKeypress = processedSequenceCallback && e.type == 'keydown';\n };\n\n /**\n * handles a keydown event\n *\n * @param {Event} e\n * @returns void\n */\n function _handleKeyEvent(e) {\n\n // normalize e.which for key events\n // @see http://stackoverflow.com/questions/4285627/javascript-keycode-vs-charcode-utter-confusion\n if (typeof e.which !== 'number') {\n e.which = e.keyCode;\n }\n\n var character = _characterFromEvent(e);\n\n // no character found then stop\n if (!character) {\n return;\n }\n\n // need to use === for the character check because the character can be 0\n if (e.type == 'keyup' && _ignoreNextKeyup === character) {\n _ignoreNextKeyup = false;\n return;\n }\n\n self.handleKey(character, _eventModifiers(e), e);\n }\n\n /**\n * called to set a 1 second timeout on the specified sequence\n *\n * this is so after each key press in the sequence you have 1 second\n * to press the next key before you have to start over\n *\n * @returns void\n */\n function _resetSequenceTimer() {\n clearTimeout(_resetTimer);\n _resetTimer = setTimeout(_resetSequences, 1000);\n }\n\n /**\n * binds a key sequence to an event\n *\n * @param {string} combo - combo specified in bind call\n * @param {Array} keys\n * @param {Function} callback\n * @param {string=} action\n * @returns void\n */\n function _bindSequence(combo, keys, callback, action) {\n\n // start off by adding a sequence level record for this combination\n // and setting the level to 0\n _sequenceLevels[combo] = 0;\n\n /**\n * callback to increase the sequence level for this sequence and reset\n * all other sequences that were active\n *\n * @param {string} nextAction\n * @returns {Function}\n */\n function _increaseSequence(nextAction) {\n return function() {\n _nextExpectedAction = nextAction;\n ++_sequenceLevels[combo];\n _resetSequenceTimer();\n };\n }\n\n /**\n * wraps the specified callback inside of another function in order\n * to reset all sequence counters as soon as this sequence is done\n *\n * @param {Event} e\n * @returns void\n */\n function _callbackAndReset(e) {\n _fireCallback(callback, e, combo);\n\n // we should ignore the next key up if the action is key down\n // or keypress. this is so if you finish a sequence and\n // release the key the final key will not trigger a keyup\n if (action !== 'keyup') {\n _ignoreNextKeyup = _characterFromEvent(e);\n }\n\n // weird race condition if a sequence ends with the key\n // another sequence begins with\n setTimeout(_resetSequences, 10);\n }\n\n // loop through keys one at a time and bind the appropriate callback\n // function. for any key leading up to the final one it should\n // increase the sequence. after the final, it should reset all sequences\n //\n // if an action is specified in the original bind call then that will\n // be used throughout. otherwise we will pass the action that the\n // next key in the sequence should match. this allows a sequence\n // to mix and match keypress and keydown events depending on which\n // ones are better suited to the key provided\n for (var i = 0; i < keys.length; ++i) {\n var isFinal = i + 1 === keys.length;\n var wrappedCallback = isFinal ? _callbackAndReset : _increaseSequence(action || _getKeyInfo(keys[i + 1]).action);\n _bindSingle(keys[i], wrappedCallback, action, combo, i);\n }\n }\n\n /**\n * binds a single keyboard combination\n *\n * @param {string} combination\n * @param {Function} callback\n * @param {string=} action\n * @param {string=} sequenceName - name of sequence if part of sequence\n * @param {number=} level - what part of the sequence the command is\n * @returns void\n */\n function _bindSingle(combination, callback, action, sequenceName, level) {\n\n // store a direct mapped reference for use with Mousetrap.trigger\n self._directMap[combination + ':' + action] = callback;\n\n // make sure multiple spaces in a row become a single space\n combination = combination.replace(/\\s+/g, ' ');\n\n var sequence = combination.split(' ');\n var info;\n\n // if this pattern is a sequence of keys then run through this method\n // to reprocess each pattern one key at a time\n if (sequence.length > 1) {\n _bindSequence(combination, sequence, callback, action);\n return;\n }\n\n info = _getKeyInfo(combination, action);\n\n // make sure to initialize array if this is the first time\n // a callback is added for this key\n self._callbacks[info.key] = self._callbacks[info.key] || [];\n\n // remove an existing match if there is one\n _getMatches(info.key, info.modifiers, {type: info.action}, sequenceName, combination, level);\n\n // add this call back to the array\n // if it is a sequence put it at the beginning\n // if not put it at the end\n //\n // this is important because the way these are processed expects\n // the sequence ones to come first\n self._callbacks[info.key][sequenceName ? 'unshift' : 'push']({\n callback: callback,\n modifiers: info.modifiers,\n action: info.action,\n seq: sequenceName,\n level: level,\n combo: combination\n });\n }\n\n /**\n * binds multiple combinations to the same callback\n *\n * @param {Array} combinations\n * @param {Function} callback\n * @param {string|undefined} action\n * @returns void\n */\n self._bindMultiple = function(combinations, callback, action) {\n for (var i = 0; i < combinations.length; ++i) {\n _bindSingle(combinations[i], callback, action);\n }\n };\n\n // start!\n _addEvent(targetElement, 'keypress', _handleKeyEvent);\n _addEvent(targetElement, 'keydown', _handleKeyEvent);\n _addEvent(targetElement, 'keyup', _handleKeyEvent);\n }\n\n /**\n * binds an event to mousetrap\n *\n * can be a single key, a combination of keys separated with +,\n * an array of keys, or a sequence of keys separated by spaces\n *\n * be sure to list the modifier keys first to make sure that the\n * correct key ends up getting bound (the last key in the pattern)\n *\n * @param {string|Array} keys\n * @param {Function} callback\n * @param {string=} action - 'keypress', 'keydown', or 'keyup'\n * @returns void\n */\n Mousetrap.prototype.bind = function(keys, callback, action) {\n var self = this;\n keys = keys instanceof Array ? keys : [keys];\n self._bindMultiple.call(self, keys, callback, action);\n return self;\n };\n\n /**\n * unbinds an event to mousetrap\n *\n * the unbinding sets the callback function of the specified key combo\n * to an empty function and deletes the corresponding key in the\n * _directMap dict.\n *\n * TODO: actually remove this from the _callbacks dictionary instead\n * of binding an empty function\n *\n * the keycombo+action has to be exactly the same as\n * it was defined in the bind method\n *\n * @param {string|Array} keys\n * @param {string} action\n * @returns void\n */\n Mousetrap.prototype.unbind = function(keys, action) {\n var self = this;\n return self.bind.call(self, keys, function() {}, action);\n };\n\n /**\n * triggers an event that has already been bound\n *\n * @param {string} keys\n * @param {string=} action\n * @returns void\n */\n Mousetrap.prototype.trigger = function(keys, action) {\n var self = this;\n if (self._directMap[keys + ':' + action]) {\n self._directMap[keys + ':' + action]({}, keys);\n }\n return self;\n };\n\n /**\n * resets the library back to its initial state. this is useful\n * if you want to clear out the current keyboard shortcuts and bind\n * new ones - for example if you switch to another page\n *\n * @returns void\n */\n Mousetrap.prototype.reset = function() {\n var self = this;\n self._callbacks = {};\n self._directMap = {};\n return self;\n };\n\n /**\n * should we stop this event before firing off callbacks\n *\n * @param {Event} e\n * @param {Element} element\n * @return {boolean}\n */\n Mousetrap.prototype.stopCallback = function(e, element) {\n var self = this;\n\n // if the element has the class \"mousetrap\" then no need to stop\n if ((' ' + element.className + ' ').indexOf(' mousetrap ') > -1) {\n return false;\n }\n\n if (_belongsTo(element, self.target)) {\n return false;\n }\n\n // Events originating from a shadow DOM are re-targetted and `e.target` is the shadow host,\n // not the initial event target in the shadow tree. Note that not all events cross the\n // shadow boundary.\n // For shadow trees with `mode: 'open'`, the initial event target is the first element in\n // the event’s composed path. For shadow trees with `mode: 'closed'`, the initial event\n // target cannot be obtained.\n if ('composedPath' in e && typeof e.composedPath === 'function') {\n // For open shadow trees, update `element` so that the following check works.\n var initialEventTarget = e.composedPath()[0];\n if (initialEventTarget !== e.target) {\n element = initialEventTarget;\n }\n }\n\n // stop for input, select, and textarea\n return element.tagName == 'INPUT' || element.tagName == 'SELECT' || element.tagName == 'TEXTAREA' || element.isContentEditable;\n };\n\n /**\n * exposes _handleKey publicly so it can be overwritten by extensions\n */\n Mousetrap.prototype.handleKey = function() {\n var self = this;\n return self._handleKey.apply(self, arguments);\n };\n\n /**\n * allow custom key mappings\n */\n Mousetrap.addKeycodes = function(object) {\n for (var key in object) {\n if (object.hasOwnProperty(key)) {\n _MAP[key] = object[key];\n }\n }\n _REVERSE_MAP = null;\n };\n\n /**\n * Init the global mousetrap functions\n *\n * This method is needed to allow the global mousetrap functions to work\n * now that mousetrap is a constructor function.\n */\n Mousetrap.init = function() {\n var documentMousetrap = Mousetrap(document);\n for (var method in documentMousetrap) {\n if (method.charAt(0) !== '_') {\n Mousetrap[method] = (function(method) {\n return function() {\n return documentMousetrap[method].apply(documentMousetrap, arguments);\n };\n } (method));\n }\n }\n };\n\n Mousetrap.init();\n\n // expose mousetrap to the global object\n window.Mousetrap = Mousetrap;\n\n // expose as a common js module\n if (typeof module !== 'undefined' && module.exports) {\n module.exports = Mousetrap;\n }\n\n // expose mousetrap as an AMD module\n if (typeof define === 'function' && define.amd) {\n define(function() {\n return Mousetrap;\n });\n }\n}) (typeof window !== 'undefined' ? window : null, typeof window !== 'undefined' ? document : null);\n","import $ from 'jquery';\nimport { flatten } from 'lodash';\nimport Vue from 'vue';\nimport { InternalEvents } from '~/tracking';\nimport { FIND_FILE_SHORTCUT_CLICK } from '~/tracking/constants';\nimport { Mousetrap, addStopCallback } from '~/lib/mousetrap';\nimport { getCookie, setCookie, parseBoolean } from '~/lib/utils/common_utils';\nimport { waitForElement } from '~/lib/utils/dom_utils';\nimport findAndFollowLink from '~/lib/utils/navigation_utility';\nimport { refreshCurrentPage } from '~/lib/utils/url_utility';\nimport {\n keysFor,\n TOGGLE_KEYBOARD_SHORTCUTS_DIALOG,\n START_SEARCH,\n START_SEARCH_PROJECT_FILE,\n FOCUS_FILTER_BAR,\n TOGGLE_PERFORMANCE_BAR,\n HIDE_APPEARING_CONTENT,\n TOGGLE_CANARY,\n TOGGLE_MARKDOWN_PREVIEW,\n FIND_AND_REPLACE,\n GO_TO_YOUR_TODO_LIST,\n GO_TO_ACTIVITY_FEED,\n GO_TO_YOUR_ISSUES,\n GO_TO_YOUR_MERGE_REQUESTS,\n GO_TO_YOUR_PROJECTS,\n GO_TO_YOUR_GROUPS,\n GO_TO_MILESTONE_LIST,\n GO_TO_YOUR_SNIPPETS,\n GO_TO_YOUR_REVIEW_REQUESTS,\n} from './keybindings';\nimport { disableShortcuts, shouldDisableShortcuts } from './shortcuts_toggle';\n\n/**\n * The key used to save and fetch the local Mousetrap instance\n * attached to a `