initial commit

This commit is contained in:
EnixCoda 2018-01-06 23:22:54 +08:00
parent 1a0272e3bf
commit 608345dc10
26 changed files with 5762 additions and 0 deletions

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.babelrc Normal file
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{
"presets": [
[
"babel-preset-env",
{
"targets": {
"chrome": "60"
}
}
],
"react"
],
"plugins": [
"transform-class-properties",
["transform-object-rest-spread", { "useBuiltIns": true }]
]
}

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.eslintrc.json Normal file
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{
"env": {
"browser": true,
"commonjs": true,
"es6": true,
"node": true
},
"parserOptions": {
"ecmaFeatures": {
"jsx": true
},
"sourceType": "module"
},
"rules": {
"no-const-assign": "warn",
"no-this-before-super": "warn",
"no-undef": "warn",
"no-unreachable": "warn",
"no-unused-vars": "warn",
"constructor-super": "warn",
"valid-typeof": "warn"
},
"plugins": [
"class-property"
]
}

4
.gitignore vendored Normal file
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.vscode
node_modules
tmp
dist

41
package.json Normal file
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{
"name": "gitako",
"version": "0.1.0",
"description": "yet another extension for GitHub",
"repository": "https://github.com/EnixCoda/Gitako",
"author": "EnixCoda",
"license": "MIT",
"private": true,
"scripts": {
"start": "webpack --watch",
"dev": "webpack",
"prod": "NODE_ENV=production webpack && cd dist && rm ./gitako.zip && zip gitako.zip *"
},
"dependencies": {
"pjax": "^0.2.4",
"preact": "^8.2.6"
},
"devDependencies": {
"babel-loader": "^7.1.2",
"babel-plugin-react-require": "^3.0.0",
"babel-plugin-transform-class-properties": "^6.24.1",
"babel-plugin-transform-object-rest-spread": "^6.26.0",
"babel-preset-env": "^1.6.1",
"babel-preset-react": "^6.24.1",
"copy-webpack-plugin": "^4.2.0",
"css-loader": "^0.28.7",
"file-loader": "^1.1.5",
"less": "^2.7.3",
"less-loader": "^4.0.5",
"style-loader": "^0.19.0",
"uglifyjs-webpack-plugin": "^1.1.1",
"url-loader": "^0.6.2",
"webpack": "^3.8.1"
},
"prettier": {
"printWidth": 100,
"singleQuote": true,
"semi": false,
"trailingComma": "es5"
}
}

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import preact from 'preact'
/** @jsx preact.h */
import SearchBar from './SearchBar'
import Node from './Node'
import DOMHelper from '../utils/DOMHelper'
import treeParser from '../utils/treeParser'
import VisibleNodesGenerator from '../utils/VisibleNodesGenerator'
export default class List extends preact.Component {
state = {
// generated by this.visibleNodesGenerator
visibleNodes: null,
}
props = {
treeData: null,
metaData: null,
}
tasksAfterRender = []
visibleNodesGenerator = new VisibleNodesGenerator()
componentWillMount() {
const { treeData, metaData } = this.props
const { root, nodes } = treeParser.parse(treeData, metaData)
this.visibleNodesGenerator.plantTree(root, nodes)
this.updateVisibleNodes()
this.tasksAfterRender.push(DOMHelper.focusFileExplorer)
this.tasksAfterRender.push(DOMHelper.focusSearchInput)
}
componentDidMount() {
this.execAfterRender()
}
componentDidUpdate(prevProps, prevState) {
this.execAfterRender()
}
execAfterRender() {
for (const task of this.tasksAfterRender) {
task()
}
this.tasksAfterRender.length = 0
}
updateVisibleNodes() {
const { visibleNodes } = this.visibleNodesGenerator
this.setState({ visibleNodes })
this.tasksAfterRender.push(() => DOMHelper.attachPJAX('gitako'))
}
handleKeyDown = event => {
const { key } = event
const { visibleNodes: { nodes, focusedNode, expandedNodes, depths } } = this.state
let shouldStopPropagation = true // prevent body scrolling
if (focusedNode) {
const focusedNodeIndex = nodes.indexOf(focusedNode)
switch (key) {
case 'ArrowUp':
// focus on previous node
if (focusedNodeIndex === 0) {
this.focusNode(null)
this.tasksAfterRender.push(DOMHelper.focusSearchInput)
} else {
this.focusNode(nodes[focusedNodeIndex - 1])
}
break
case 'ArrowDown':
// focus on next node
if (focusedNodeIndex + 1 < nodes.length) {
this.focusNode(nodes[focusedNodeIndex + 1])
} else {
this.focusNode(null)
this.tasksAfterRender.push(DOMHelper.focusSearchInput)
}
break
case 'ArrowLeft':
// collapse node or go to parent node
if (expandedNodes.has(focusedNode)) {
this.setExpand(focusedNode, false)
} else {
// go forward to the start of the list, find the closest node with lower depth
let indexOfParentNode = focusedNodeIndex
const focusedNodeDepth = depths.get(nodes[focusedNodeIndex])
while (
indexOfParentNode !== -1 &&
depths.get(nodes[indexOfParentNode]) >= focusedNodeDepth
) {
--indexOfParentNode
}
if (indexOfParentNode !== -1) {
this.focusNode(nodes[indexOfParentNode])
}
}
break
// consider the two keys as 'confirm' key
case 'ArrowRight':
case 'Enter':
// expand node or redirect to file page
if (focusedNode.type === 'tree') {
this.setExpand(focusedNode, true)
} else {
// simulate click to trigger pjax
DOMHelper.clickOnNodeElement(focusedNodeIndex)
}
break
default:
shouldStopPropagation = false
}
} else {
// now search input is focused
if (nodes.length) {
switch (key) {
case 'ArrowDown':
this.focusNode(nodes[0])
break
case 'ArrowUp':
this.focusNode(nodes[nodes.length - 1])
break
default:
shouldStopPropagation = false
}
} else {
shouldStopPropagation = false
}
}
if (shouldStopPropagation) {
event.stopPropagation()
event.preventDefault()
}
}
handleSearchKeyChange = async event => {
const searchKey = event.target.value
await this.visibleNodesGenerator.search(searchKey)
this.updateVisibleNodes()
}
setExpand = (node, expand) => {
this.visibleNodesGenerator.setExpand(node, expand)
this.focusNode(node)
this.tasksAfterRender.push(DOMHelper.focusSearchInput)
}
toggleNodeExpand = node => {
this.visibleNodesGenerator.toggleExpand(node)
this.focusNode(node)
this.tasksAfterRender.push(DOMHelper.focusFileExplorer)
}
focusNode = node => {
this.visibleNodesGenerator.focusNode(node)
if (node) {
// when focus a node not in viewport(by keyboard), scroll to it
const { visibleNodes: { nodes } } = this.state
const indexOfToBeFocusedNode = nodes.indexOf(node)
this.tasksAfterRender.push(() => DOMHelper.scrollToNodeElement(indexOfToBeFocusedNode))
this.tasksAfterRender.push(DOMHelper.focusSearchInput)
}
this.updateVisibleNodes()
}
render() {
const { visibleNodes: { nodes, depths, focusedNode, expandedNodes } } = this.state
return (
<div className={`file-explorer`} tabIndex={-1} onKeyDown={this.handleKeyDown}>
<SearchBar onSearchKeyChange={this.handleSearchKeyChange} />
{nodes.length === 0 ? (
<label className={'no-results'}>No results found.</label>
) : (
nodes.map(node => (
<Node
key={node.path}
node={node}
depth={depths.get(node)}
focused={focusedNode === node}
expanded={expandedNodes.has(node)}
toggleExpand={this.toggleNodeExpand.bind(null, node)}
/>
))
)}
</div>
)
}
}

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import preact from 'preact'
/** @jsx preact.h */
import FileExplorer from './FileExplorer'
import Logo from './Logo'
import MetaBar from './MetaBar'
import SettingsBar from './SettingsBar'
import cx from '../utils/cx'
import DOMHelper, { REPO_TYPE_PRIVATE } from '../utils/DOMHelper'
import GitHubHelper, { NOT_FOUND } from '../utils/GitHubHelper'
import storageHelper from '../utils/storageHelper'
import URLHelper from '../utils/URLHelper'
export default class GitakoSideBar extends preact.Component {
state = {
// whether Gitako side bar should be shown
shouldShow: false,
// whether show settings pane
showSettings: false,
// whether pending for network request
loading: true,
// whether failed loading the repo due to it is private
errorDueToPrivateRepo: false,
// got access token for GitHub
hasAccessToken: null,
// meta data for the repository
metaData: null,
// file tree data
treeData: null,
}
async componentWillMount() {
try {
const metaDataFromUrl = URLHelper.parse()
this.setState({ metaData: metaDataFromUrl })
this.decorateGitHubPageContent()
const accessToken = await storageHelper.getAccessToken()
this.setState({ hasAccessToken: !!accessToken })
const metaDataFromAPI = await GitHubHelper.getRepoMeta({ ...metaDataFromUrl, accessToken })
const branchName = metaDataFromUrl.branchName || metaDataFromAPI['default_branch']
const metaData = { ...metaDataFromUrl, branchName, api: metaDataFromAPI }
this.setState({ metaData })
this.setShouldShow(URLHelper.detectShouldShow(metaData))
const treeData = await GitHubHelper.getTreeData({ ...metaData, accessToken })
this.setState({ treeData, loading: false })
window.addEventListener('pjax:send', this.onPJAXStart)
window.addEventListener('pjax:complete', this.onPJAXEnd)
} catch (err) {
// TODO: detect request time exceeds limit
if (err.message === NOT_FOUND) {
const repoPageType = await DOMHelper.getRepoPageType()
const errorDueToPrivateRepo = repoPageType === REPO_TYPE_PRIVATE
this.setState({
showSettings: repoPageType !== null,
errorDueToPrivateRepo,
})
this.setShouldShow(errorDueToPrivateRepo)
} else {
console.error(err)
this.setShouldShow(false)
}
}
}
onPJAXStart = () => {
this.setState({ loading: true })
}
onPJAXEnd = () => {
this.setState({ loading: false })
this.setShouldShow(URLHelper.detectShouldShow())
this.decorateGitHubPageContent()
DOMHelper.scrollToRepoContent()
DOMHelper.focusSearchInput()
}
decorateGitHubPageContent() {
DOMHelper.attachCopyFileBtn()
DOMHelper.attachCopySnippet()
DOMHelper.attachPJAX('github')
}
setShouldShow = shouldShow => {
this.setState({ shouldShow })
DOMHelper.setBodyIndent(shouldShow)
}
toggleShowSettings = () => {
const { showSettings } = this.state
this.setState({ showSettings: !showSettings })
}
renderPrivateRepoError() {
return (
<div className={'description'}>
<h5>Access Denied</h5>
<p>
Gitako need access token with proper scopes (recommended: repo) to read this repository's
data.
</p>
</div>
)
}
render() {
const {
shouldShow,
loading,
metaData,
treeData,
showSettings,
hasAccessToken,
errorDueToPrivateRepo,
} = this.state
return (
<div className={cx('gitako', { hidden: !shouldShow })}>
<div className={'gitako-side-bar'}>
<Logo loading={loading} />
<div className={'gitako-side-bar-content'}>
{metaData && <MetaBar metaData={metaData} />}
{errorDueToPrivateRepo && this.renderPrivateRepoError()}
{metaData && treeData && <FileExplorer metaData={metaData} treeData={treeData} />}
</div>
<SettingsBar
toggleShowSettings={this.toggleShowSettings}
activated={showSettings}
hasAccessToken={hasAccessToken}
/>
</div>
</div>
)
}
}

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import preact from 'preact'
/** @jsx preact.h */
function getIconClassName(type) {
switch (type) {
case 'folder':
return 'triangle-right'
case '.pdf':
return 'file-pdf'
case '.txt':
return 'file-text'
case '.zip':
case '.rar':
case '.7z':
return 'file-zip'
case '.md':
return 'markdown'
case '.png':
case '.jpg':
case '.gif':
case '.bmp':
return 'file-media'
case '.js':
case '.jsx':
case '.ts':
case '.tsx':
case '.es6':
case '.coffee':
case '.css':
case '.less':
case '.scss':
case '.sass':
return 'file-code'
// TODO: adapt to more file types
// case '': return 'file-binary'
// case '': return 'file-submodule'
// case '': return 'file-symlink-directory'
// case '': return 'file-symlink-file'
default:
return 'file'
}
}
export default function Icon({ type }) {
return <span className={`octicon octicon-${getIconClassName(type)} octicon-color`} />
}

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import preact from 'preact'
/** @jsx preact.h */
import cx from '../utils/cx'
export default function Logo({ loading }) {
return (
<div className={'gitako-logo-wrapper Header'}>
<h3>&nbsp;</h3>
<h3 className={cx('gitako-logo', { invisible: loading })}>Gitako</h3>
<h3 className={cx('gitako-logo breath', { invisible: !loading })}>Gitako</h3>
</div>
)
}

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import preact from 'preact'
/** @jsx preact.h */
export default function MetaBar({ metaData }) {
const userUrl = metaData ? metaData.api && metaData.api.owner.html_url : undefined
const repoUrl = metaData ? metaData.api && metaData.api.html_url : undefined
return (
<div className={'meta-bar'}>
<a className={'username'} href={userUrl}>
{metaData.userName}
</a>
&nbsp;/&nbsp;
<a className={'repo-name pjax-link'} href={repoUrl}>
{metaData.repoName}
</a>
</div>
)
}

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src/components/Node.js Normal file
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import preact from 'preact'
/** @jsx preact.h */
import Icon from './Icon'
import cx from '../utils/cx'
function getIconType(node) {
switch (node.type) {
case 'tree':
return 'folder'
default:
return node.name.replace(/.*\./, '.')
}
}
export default function Node({ node, depth, expanded, focused, toggleExpand }) {
const { name, url, type } = node
const item = (
<p
className={cx('node-item', { expanded })}
style={{ paddingLeft: `${10 + 20 * depth}px` }}
onClick={node.type === 'tree' ? toggleExpand : undefined}
>
<Icon type={getIconType(node)} />
<span className={'node-item-name'}>{name}</span>
</p>
)
return (
<div className={cx(`node-item-row`, { focused })}>
{
type !== 'tree'
? (
<a className={'pjax-link'} href={url} tabIndex={-1}>
{ item }
</a>
)
: item
}
</div>
)
}

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import preact from 'preact'
/** @jsx preact.h */
export default function SearchBar({ onSearchKeyChange }) {
return (
<div className={'search-input-wrapper'}>
<input
tabIndex={0}
className="form-control search-input"
aria-label="search files"
placeholder="Search files (regexp)"
type="text"
onInput={onSearchKeyChange}
/>
</div>
)
}

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import preact from 'preact'
/** @jsx preact.h */
import storageHelper from '../utils/storageHelper'
const ACCESS_TOKEN_REGEXP = /^[0-9a-f]{40}$/
export default class SettingsBar extends preact.Component {
state = {
hint: null,
tokenCleared: false,
}
handleAccessTokenChange = event => {
const value = event.target.value
const { hasAccessToken } = this.props
if (value === '') {
if (hasAccessToken) {
storageHelper.setAccessToken('')
this.setState({ tokenCleared: true })
} else {
this.setState({ hint: '' })
}
} else if (ACCESS_TOKEN_REGEXP.test(value)) {
storageHelper.setAccessToken(value)
this.setState({ hint: 'Your token is saved, refresh the page to make it work!' })
} else {
this.setState({ hint: 'Invalid token' })
}
}
render() {
const { hint, tokenCleared } = this.state
const { toggleShowSettings, activated, hasAccessToken } = this.props
return (
<div className={'gitako-settings-bar'}>
<div className={'placeholder-row'}>
<h3>{activated ? 'Settings' : ''}</h3>
<span
className={`settings-icon octicon octicon-${activated ? 'x' : 'gear'} octicon-color`}
onClick={toggleShowSettings}
/>
</div>
{activated && (
<div className={'gitako-settings-bar-content'}>
<div className={'gitako-settings-bar-content-section access-token'}>
<h4>Access Token</h4>
<span>
With access token, Gitako will be able to browse your private repositories with no
API request time limit.
</span>
<br />
<a href="https://github.com/blog/1509-personal-api-tokens" target="_blank">
How to create access token?
</a>
<br />
<span>
Gitako stores the token in{' '}
<a href="https://developer.chrome.com/apps/storage" target="_blank">
chrome local storage
</a>{' '}
locally and safely.
</span>
<br />
<input
className={'access-token-input form-control'}
placeholder={
hasAccessToken
? tokenCleared ? 'Your token is cleared' : 'Your token is saved'
: 'Input your token here'
}
onInput={this.handleAccessTokenChange}
/>
{hint && <span className={'hint'}>{hint}</span>}
</div>
<div className={'gitako-settings-bar-content-section position'}>
<h5>Position of Gitako (WIP)</h5>
<select value={'next to'} disabled>
<option value="next to">next to main content</option>
</select>
</div>
<div className={'gitako-settings-bar-content-section TOC'}>
<h5>Table of Markdown Content (WIP)</h5>
<label htmlFor={'toc'}>
<input name={'toc'} type={'checkbox'} disabled />
&nbsp;enable
</label>
</div>
<div className={'gitako-settings-bar-content-section issue'}>
<h4>Issue</h4>
<a href="https://github.com/EnixCoda/Gitako/issues" target="_blank">
Draft a issue on Github.
</a>
<br />
<span>Report BUG or request feature.</span>
</div>
</div>
)}
</div>
)
}
}

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import preact from 'preact'
/** @jsx preact.h */
import './content.less'
import GitakoSideBar from './components/GitakoSideBar'
const GitakoSideBarElement = document.createElement('div')
document.body.appendChild(GitakoSideBarElement)
preact.render(<GitakoSideBar />, GitakoSideBarElement)

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src/content.less Normal file
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@import './octicons.css';
@side-bar-width: 260px;
@github-content-width: 1280px;
@content-width: (@side-bar-width + @github-content-width);
.with-gitako-spacing {
margin-left: @side-bar-width;
@media (min-width: @github-content-width) and (max-width: @content-width) {
margin-left: ~'calc(' @content-width ~' - 100vw)';
}
@media (min-width: @content-width) {
margin-left: 0;
}
}
.markdown-body pre {
position: relative;
.clippy {
position: absolute;
top: 10px;
right: 16px;
width: 32px;
height: 32px;
border: 1px solid #ddd;
border-radius: 4px;
background: #f9f9f9;
&:hover {
background: #fff;
}
&:active {
background: #f0f0f0;
}
&.success {
i::before {
content: '\F03A'; // .octicon-check
}
}
&.fail {
i::before {
content: '\F081'; // .octicon-x
}
}
i::before {
margin-left: 2px; // make icon centered
}
}
}
.hidden {
display: none;
}
.invisible {
visibility: hidden;
}
.gitako {
.gitako-side-bar {
position: fixed;
top: 0;
left: 0;
display: flex;
flex-direction: column;
width: @side-bar-width;
height: 100vh;
z-index: 2;
background: #fafbfc;
border-right: 1px solid #e1e4e8;
@media screen and (min-width: @content-width) {
border-left: 1px solid #e1e4e8;
left: ~'calc((100vw - ' @content-width ~') / 2)';
}
&.hidden {
.hidden;
}
.gitako-logo-wrapper.Header {
position: relative;
.gitako-logo {
display: flex;
justify-content: space-around;
align-items: center;
position: absolute;
left: 0;
right: 0;
top: 0;
bottom: 0;
cursor: default;
user-select: none;
-webkit-font-smoothing: antialiased;
&.breath {
background: linear-gradient(
135deg,
#ff2400,
#e81d1d,
#e8b71d,
#e3e81d,
#1de840,
#1ddde8,
#2b1de8,
#dd00f3,
#dd00f3
);
background-size: 450% 450%;
animation: rainbow 9s ease infinite;
-webkit-text-fill-color: transparent;
-webkit-background-clip: text;
background-clip: text;
// https://stackoverflow.com/questions/10814178/css-performance-relative-to-translatez0
-webkit-transform: rotateZ(360deg);
transform: rotateZ(360deg);
}
}
}
.octicon {
transition: 0.3s ease;
}
.octicon-color {
color: rgba(3, 47, 98, 0.55);
}
.gitako-side-bar-content {
display: flex;
flex: 1;
flex-direction: column;
.meta-bar {
position: relative;
padding: 10px;
font-size: 13px;
line-height: 20px;
color: #586069;
background-color: #f1f8ff;
border-bottom: 1px solid #c8e1ff;
a {
// fix a weird bug:
// when gitako failed loading repo, cursor hovering <a> in meta bar will be 'text'
cursor: pointer;
}
.repo-name {
font-weight: bolder;
}
}
.description {
padding: 4px 10px;
}
/* search input */
.search-input-wrapper {
input[type='text'].form-control {
box-shadow: none;
width: 100%;
}
}
.no-results {
padding: 0px 10px;
color: #666;
}
.file-explorer {
width: 100%;
height: 100%;
overflow: auto;
outline: none;
.node-item-row {
background: #fff;
&:hover {
background: #f6f8fa;
}
&.focused {
background: #f0f0f6;
}
.node-item {
word-wrap: normal;
word-break: break-all;
margin: 0;
color: #0366d6;
line-height: 20px;
padding: 6px 0;
cursor: pointer;
border-top: 1px solid #eaecef;
transition: all 0.5s ease;
// folder icon rotate when expand
&.expanded .octicon.octicon-triangle-right {
transform: rotate(90deg) translate3d(25%, 0, 0);
}
.node-item-name {
padding-left: 4px;
}
.node-item:hover .node-item-name {
text-decoration: underline;
}
}
}
}
}
.gitako-settings-bar {
border-top: 1px solid #eaecef;
&-content {
padding: 0 10px;
&-section {
padding-bottom: 10px;
}
}
.access-token {
border-bottom: none; // prevent overwrite by github style
}
.access-token-input {
width: 100%;
margin-top: 4px;
box-shadow: none;
}
.placeholder-row {
display: flex;
justify-content: space-between;
align-items: center;
padding: 6px 10px;
.settings-icon {
font-size: 20px;
cursor: pointer;
}
}
}
}
}
@keyframes rainbow {
0% {
background-position: 9% 91%;
}
50% {
background-position: 91% 9%;
}
100% {
background-position: 9% 91%;
}
}

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{
"manifest_version": 2,
"name": "Gitako",
"version": "0.1.0",
"author": "EnixCoda",
"description": "yet another GitHub extension.",
"homepage_url": "https://github.com/EnixCoda/Gitako",
"permissions": ["tabs", "storage", "*://github.com/*"],
"content_scripts": [
{
"matches": ["https://github.com/*"],
"js": ["content.js"]
}
]
}

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@font-face {
font-family: 'Octicons';
src: url('assets/font/octicons.woff2') format('woff2');
font-weight: normal;
font-style: normal;
}
/*
.octicon is optimized for 16px.
.mega-octicon is optimized for 32px but can be used larger.
*/
.octicon,
.mega-octicon {
font: normal normal normal 16px/1 Octicons;
display: inline-block;
text-decoration: none;
text-rendering: auto;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
fill: currentColor;
}
.mega-octicon {
font-size: 32px;
}
.octicon-alert:before {
content: '\f02d';
}
.octicon-arrow-down:before {
content: '\f03f';
}
.octicon-arrow-left:before {
content: '\f040';
}
.octicon-arrow-right:before {
content: '\f03e';
}
.octicon-arrow-small-down:before {
content: '\f0a0';
}
.octicon-arrow-small-left:before {
content: '\f0a1';
}
.octicon-arrow-small-right:before {
content: '\f071';
}
.octicon-arrow-small-up:before {
content: '\f09f';
}
.octicon-arrow-up:before {
content: '\f03d';
}
.octicon-beaker:before {
content: '\f0dd';
}
.octicon-bell:before {
content: '\f0de';
}
.octicon-bold:before {
content: '\f0e2';
}
.octicon-book:before {
content: '\f007';
}
.octicon-bookmark:before {
content: '\f07b';
}
.octicon-briefcase:before {
content: '\f0d3';
}
.octicon-broadcast:before {
content: '\f048';
}
.octicon-browser:before {
content: '\f0c5';
}
.octicon-bug:before {
content: '\f091';
}
.octicon-calendar:before {
content: '\f068';
}
.octicon-check:before {
content: '\f03a';
}
.octicon-checklist:before {
content: '\f076';
}
.octicon-chevron-down:before {
content: '\f0a3';
}
.octicon-chevron-left:before {
content: '\f0a4';
}
.octicon-chevron-right:before {
content: '\f078';
}
.octicon-chevron-up:before {
content: '\f0a2';
}
.octicon-circle-slash:before {
content: '\f084';
}
.octicon-circuit-board:before {
content: '\f0d6';
}
.octicon-clippy:before {
content: '\f035';
}
.octicon-clock:before {
content: '\f046';
}
.octicon-cloud-download:before {
content: '\f00b';
}
.octicon-cloud-upload:before {
content: '\f00c';
}
.octicon-code:before {
content: '\f05f';
}
.octicon-comment-discussion:before {
content: '\f04f';
}
.octicon-comment:before {
content: '\f02b';
}
.octicon-credit-card:before {
content: '\f045';
}
.octicon-dash:before {
content: '\f0ca';
}
.octicon-dashboard:before {
content: '\f07d';
}
.octicon-database:before {
content: '\f096';
}
.octicon-desktop-download:before {
content: '\f0dc';
}
.octicon-device-camera-video:before {
content: '\f057';
}
.octicon-device-camera:before {
content: '\f056';
}
.octicon-device-desktop:before {
content: '\f27c';
}
.octicon-device-mobile:before {
content: '\f038';
}
.octicon-diff-added:before {
content: '\f06b';
}
.octicon-diff-ignored:before {
content: '\f099';
}
.octicon-diff-modified:before {
content: '\f06d';
}
.octicon-diff-removed:before {
content: '\f06c';
}
.octicon-diff-renamed:before {
content: '\f06e';
}
.octicon-diff:before {
content: '\f04d';
}
.octicon-ellipses:before {
content: '\f101';
}
.octicon-ellipsis:before {
content: '\f09a';
}
.octicon-eye:before {
content: '\f04e';
}
.octicon-file-binary:before {
content: '\f094';
}
.octicon-file-code:before {
content: '\f010';
}
.octicon-file-directory:before {
content: '\f016';
}
.octicon-file-media:before {
content: '\f012';
}
.octicon-file-pdf:before {
content: '\f014';
}
.octicon-file-submodule:before {
content: '\f017';
}
.octicon-file-symlink-directory:before {
content: '\f0b1';
}
.octicon-file-symlink-file:before {
content: '\f0b0';
}
.octicon-file-text:before {
content: '\f011';
}
.octicon-file-zip:before {
content: '\f013';
}
.octicon-file:before {
content: '\f102';
}
.octicon-flame:before {
content: '\f0d2';
}
.octicon-fold:before {
content: '\f0cc';
}
.octicon-gear:before {
content: '\f02f';
}
.octicon-gift:before {
content: '\f042';
}
.octicon-gist-secret:before {
content: '\f08c';
}
.octicon-gist:before {
content: '\f00e';
}
.octicon-git-branch:before {
content: '\f020';
}
.octicon-git-commit:before {
content: '\f01f';
}
.octicon-git-compare:before {
content: '\f0ac';
}
.octicon-git-merge:before {
content: '\f023';
}
.octicon-git-pull-request:before {
content: '\f009';
}
.octicon-globe:before {
content: '\f0b6';
}
.octicon-graph:before {
content: '\f043';
}
.octicon-heart:before {
content: '\2665';
}
.octicon-history:before {
content: '\f07e';
}
.octicon-home:before {
content: '\f08d';
}
.octicon-horizontal-rule:before {
content: '\f070';
}
.octicon-hubot:before {
content: '\f09d';
}
.octicon-inbox:before {
content: '\f0cf';
}
.octicon-info:before {
content: '\f059';
}
.octicon-issue-closed:before {
content: '\f028';
}
.octicon-issue-opened:before {
content: '\f026';
}
.octicon-issue-reopened:before {
content: '\f027';
}
.octicon-italic:before {
content: '\f0e4';
}
.octicon-jersey:before {
content: '\f019';
}
.octicon-key:before {
content: '\f049';
}
.octicon-keyboard:before {
content: '\f00d';
}
.octicon-law:before {
content: '\f0d8';
}
.octicon-light-bulb:before {
content: '\f000';
}
.octicon-link-external:before {
content: '\f07f';
}
.octicon-link:before {
content: '\f05c';
}
.octicon-list-ordered:before {
content: '\f062';
}
.octicon-list-unordered:before {
content: '\f061';
}
.octicon-location:before {
content: '\f060';
}
.octicon-lock:before {
content: '\f06a';
}
.octicon-logo-gist:before {
content: '\f0ad';
}
.octicon-logo-github:before {
content: '\f092';
}
.octicon-mail-read:before {
content: '\f03c';
}
.octicon-mail-reply:before {
content: '\f051';
}
.octicon-mail:before {
content: '\f03b';
}
.octicon-mark-github:before {
content: '\f00a';
}
.octicon-markdown:before {
content: '\f0c9';
}
.octicon-megaphone:before {
content: '\f077';
}
.octicon-mention:before {
content: '\f0be';
}
.octicon-milestone:before {
content: '\f075';
}
.octicon-mirror:before {
content: '\f024';
}
.octicon-mortar-board:before {
content: '\f0d7';
}
.octicon-mute:before {
content: '\f080';
}
.octicon-no-newline:before {
content: '\f09c';
}
.octicon-octoface:before {
content: '\f008';
}
.octicon-organization:before {
content: '\f037';
}
.octicon-package:before {
content: '\f0c4';
}
.octicon-paintcan:before {
content: '\f0d1';
}
.octicon-pencil:before {
content: '\f058';
}
.octicon-person:before {
content: '\f018';
}
.octicon-pin:before {
content: '\f041';
}
.octicon-plug:before {
content: '\f0d4';
}
.octicon-plus:before {
content: '\f05d';
}
.octicon-primitive-dot:before {
content: '\f052';
}
.octicon-primitive-square:before {
content: '\f053';
}
.octicon-pulse:before {
content: '\f085';
}
.octicon-question:before {
content: '\f02c';
}
.octicon-quote:before {
content: '\f063';
}
.octicon-radio-tower:before {
content: '\f030';
}
.octicon-repo-clone:before {
content: '\f04c';
}
.octicon-repo-force-push:before {
content: '\f04a';
}
.octicon-repo-forked:before {
content: '\f002';
}
.octicon-repo-pull:before {
content: '\f006';
}
.octicon-repo-push:before {
content: '\f005';
}
.octicon-repo:before {
content: '\f001';
}
.octicon-rocket:before {
content: '\f033';
}
.octicon-rss:before {
content: '\f034';
}
.octicon-ruby:before {
content: '\f047';
}
.octicon-search:before {
content: '\f02e';
}
.octicon-server:before {
content: '\f097';
}
.octicon-settings:before {
content: '\f07c';
}
.octicon-shield:before {
content: '\f0e1';
}
.octicon-sign-in:before {
content: '\f036';
}
.octicon-sign-out:before {
content: '\f032';
}
.octicon-smiley:before {
content: '\f0e7';
}
.octicon-squirrel:before {
content: '\f0b2';
}
.octicon-star:before {
content: '\f02a';
}
.octicon-stop:before {
content: '\f08f';
}
.octicon-sync:before {
content: '\f087';
}
.octicon-tag:before {
content: '\f015';
}
.octicon-tasklist:before {
content: '\f0e5';
}
.octicon-telescope:before {
content: '\f088';
}
.octicon-terminal:before {
content: '\f0c8';
}
.octicon-text-size:before {
content: '\f0e3';
}
.octicon-three-bars:before {
content: '\f05e';
}
.octicon-thumbsdown:before {
content: '\f0db';
}
.octicon-thumbsup:before {
content: '\f0da';
}
.octicon-tools:before {
content: '\f031';
}
.octicon-trashcan:before {
content: '\f0d0';
}
.octicon-triangle-down:before {
content: '\f05b';
}
.octicon-triangle-left:before {
content: '\f044';
}
.octicon-triangle-right:before {
content: '\f05a';
}
.octicon-triangle-up:before {
content: '\f0aa';
}
.octicon-unfold:before {
content: '\f039';
}
.octicon-unmute:before {
content: '\f0ba';
}
.octicon-unverified:before {
content: '\f0e8';
}
.octicon-verified:before {
content: '\f0e6';
}
.octicon-versions:before {
content: '\f064';
}
.octicon-watch:before {
content: '\f0e0';
}
.octicon-x:before {
content: '\f081';
}
.octicon-zap:before {
content: '\26a1';
}

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/**
* this helper helps manipulating DOM
*/
import pjax from 'pjax'
/**
* if should show gitako, then move body right to make space for showing gitako
* otherwise, hide the space
*/
function setBodyIndent(shouldShowGitako) {
const spacingClassName = 'with-gitako-spacing'
if (shouldShowGitako) {
document.body.classList.add(spacingClassName)
} else {
document.body.classList.remove(spacingClassName)
}
}
/**
* content above the file navigation bar is same for all pages of the repo
* use this function to scroll down a bit to hide them
*/
function scrollToRepoContent() {
const fileNavigationSelector = '.file-navigation.js-zeroclipboard-container'
const fileNavigationElement = document.querySelector(fileNavigationSelector)
// cannot to use behavior: smooth here as it will scroll horizontally
if (fileNavigationElement) {
fileNavigationElement.scrollIntoView()
} else {
document.body.scrollIntoView()
}
}
/**
* scroll to index-th element in the list
* @param {number} index index of node item in the list
*/
function scrollToNodeElement(index) {
const nodeElementSelector = '.node-item'
const nodeElements = document.querySelectorAll(nodeElementSelector)
nodeElements[index].scrollIntoView({
behavior: 'smooth',
block: 'center',
})
}
/**
* add pjax listeners
* call this when pjax redirected or page loaded
*/
function attachPJAX(fields) {
// TODO: switch for fields
const elements = [
'.gitako a.pjax-link', // links in Gitako file tree & list
'.js-path-segment a', // links in the file navigation bar
].join()
new pjax({
elements,
selectors: ['.repository-content'],
scrollTo: false,
analytics: () => {},
})
}
/**
* there are few types of pages on GitHub, mainly
* 1. raw text: code
* 2. rendered content: like Markdown
* 3. preview: like image
*/
const PAGE_TYPES = {
RAW_TEXT: 'raw_text',
RENDERED: 'rendered',
// PREVIEW: 'preview',
OTHERS: 'others',
}
/**
* this function tries to tell which type current page is of
*
* note: not determining through file extension here
* becasuse there might be files using wrong extension name
*
* TODO: distinguish type 'preview'
*/
function getCurrentPageType() {
const blobWrapperSelector = '.repository-content .file .blob-wrapper'
const blobWrapperElement = document.querySelector(blobWrapperSelector)
if (blobWrapperElement) {
if (blobWrapperElement.querySelector('table')) {
return PAGE_TYPES.RAW_TEXT
}
} else {
const readmeSelector = '.repository-content .readme'
const readmeElement = document.querySelector(readmeSelector)
if (readmeElement) {
return PAGE_TYPES.RENDERED
}
}
return PAGE_TYPES.OTHERS
}
export const REPO_TYPE_PRIVATE = 'private'
export const REPO_TYPE_PUBLIC = 'public'
function getRepoPageType() {
const headerSelector = `#js-repo-pjax-container .pagehead.repohead h1`
const header = document.querySelector(headerSelector)
if (header) {
const repoPageTypes = [REPO_TYPE_PRIVATE, REPO_TYPE_PUBLIC]
for (const repoPageType of repoPageTypes) {
if (header.classList.contains(repoPageType)) {
return repoPageType
}
}
}
return null
}
/**
* add copy file content buttons to button groups
* click these buttons will copy file content to clipboard
*/
function attachCopyFileBtn() {
/**
* get text content of raw text content
*/
function getCodeElement() {
if (getCurrentPageType() === PAGE_TYPES.RAW_TEXT) {
const codeContentSelector = '.repository-content .file .data table'
return document.querySelector(codeContentSelector)
}
}
/**
* change inner text of copy file button to give feedback
* @param {element} copyFileBtn
* @param {string} text
*/
function setTempCopyFileBtnText(copyFileBtn, text) {
copyFileBtn.innerText = text
window.setTimeout(() => (copyFileBtn.innerText = 'Copy file'), 1000)
}
if (getCurrentPageType() === PAGE_TYPES.RAW_TEXT) {
const btnGroupSelector = [
// the button group next to navigation bar
'.repository-content .file-navigation.js-zeroclipboard-container .BtnGroup',
// the button group in file content header
'.repository-content .file .file-header .file-actions .BtnGroup',
].join(', ')
const btnGroups = document.querySelectorAll(btnGroupSelector)
btnGroups.forEach(btnGroup => {
const copyFileBtn = document.createElement('button')
copyFileBtn.classList.add('btn', 'btn-sm', 'BtnGroup-item', 'copy-file-btn')
copyFileBtn.innerText = 'Copy file'
copyFileBtn.addEventListener('click', () => {
const codeElement = getCodeElement()
if (copyElementContent(codeElement)) {
setTempCopyFileBtnText(copyFileBtn, 'Success!')
} else {
setTempCopyFileBtnText(copyFileBtn, 'Copy failed!')
}
})
btnGroup.insertBefore(copyFileBtn, btnGroups.lastChild)
})
}
}
/**
* copy content of a DOM element to clipboard
* @param {element} element
* @returns {boolean} whether copy is successful
*/
function copyElementContent(element) {
window.getSelection().removeAllRanges()
const range = document.createRange()
range.selectNode(element)
window.getSelection().addRange(range)
const isCopySuccessful = document.execCommand('copy')
window.getSelection().removeAllRanges()
return isCopySuccessful
}
/**
* create a copy file content button `clippy`
* once mouse enters a code snippet of markdown, move clippy into it
* user can copy the snippet's content by click it
*
* TODO: 'reactify' it
*/
function createClippy() {
function setTempClippyIconFeedback(clippy, type) {
const tempIconClassName = type === 'success' ? 'success' : 'fail'
clippy.classList.add(tempIconClassName)
window.setTimeout(() => {
clippy.classList.remove(tempIconClassName)
}, 1000)
}
/**
* <button class="clippy">
* <i class="octicon octicon-clippy" />
* </button>
*/
const clippy = document.createElement('button')
clippy.classList.add('clippy')
const clippyIcon = document.createElement('i')
clippyIcon.classList.add('octicon', 'octicon-clippy')
clippy.appendChild(clippyIcon)
// set clipboard with current code snippet element's content
clippy.addEventListener('click', function onClippyClick() {
if (copyElementContent(currentCodeSnippetElement)) {
setTempClippyIconFeedback(clippy, 'success')
} else {
setTempClippyIconFeedback(clippy, 'fail')
}
})
return clippy
}
const clippy = createClippy()
let currentCodeSnippetElement
function attachCopySnippet() {
const readmeSelector = '.repository-content .readme'
const readmeElement = document.querySelector(readmeSelector)
if (readmeElement) {
const snippetSelector = '.repository-content .readme pre'
const snippetElements = readmeElement.querySelectorAll(snippetSelector)
readmeElement.addEventListener('mouseover', ({ target }) => {
// only move clippy when mouse is over a new snippet
if (
Array.from(snippetElements).indexOf(target) !== -1 &&
currentCodeSnippetElement !== target
) {
currentCodeSnippetElement = target
currentCodeSnippetElement.insertAdjacentElement('afterbegin', clippy)
}
})
}
}
/**
* focus to side bar, user will be able to manipulate it with keyboard
*/
function focusFileExplorer() {
const sideBarContentSelector = '.gitako .file-explorer'
const sideBarElement = document.querySelector(sideBarContentSelector)
if (sideBarElement) {
sideBarElement.focus()
}
}
function focusSearchInput() {
const searchInputSelector = '.search-input'
const searchInputElement = document.querySelector(searchInputSelector)
if (searchInputElement) {
if (document.activeElement !== searchInputElement) {
searchInputElement.focus()
}
}
}
/**
* simulate click on node item, for triggering pjax
* @param {number} index
*/
function clickOnNodeElement(index = 0) {
const nodeElementSelector = '.node-item'
const nodeElements = document.querySelectorAll(nodeElementSelector)
nodeElements[index].click()
}
export default {
attachPJAX,
attachCopyFileBtn,
attachCopySnippet,
clickOnNodeElement,
focusSearchInput,
focusFileExplorer,
getCurrentPageType,
getRepoPageType,
setBodyIndent,
scrollToNodeElement,
scrollToRepoContent,
}

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export const NOT_FOUND = 'Repo Not Found'
async function getRepoMeta({ userName, repoName, accessToken }) {
const headers = {}
if (accessToken) {
headers.Authorization = `token ${accessToken}`
}
const res = await fetch(`https://api.github.com/repos/${userName}/${repoName}`, { headers })
if (res.status === 200) return res.json()
// for private repo, GitHub api also responses with 404 when unauthorized
throw new Error(NOT_FOUND)
}
async function getTreeData({ userName, repoName, branchName, accessToken }) {
const headers = {}
if (accessToken) {
headers.Authorization = `token ${accessToken}`
}
return (await fetch(
`https://api.github.com/repos/${userName}/${repoName}/git/trees/${branchName}?recursive=1`,
{ headers }
)).json()
}
function getUrlForRedirect({ userName, repoName, branchName }, path) {
return `https://github.com/${userName}/${repoName}/tree/${branchName}/${path}`
}
export default {
getRepoMeta,
getTreeData,
getUrlForRedirect,
}

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/**
* cx('class1', { class2: true, class3: false }) --> 'class1 class2'
* @param {string} baseClassNames
* @param {object} optionalClassNames
*/
export default function cx(baseClassNames = '', optionalClassNames = {}) {
return Object.entries(optionalClassNames)
.map(([key, value]) => value ? key : '')
.filter(_ => _)
.concat([baseClassNames])
.join(' ')
}

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const localStorage = chrome.storage.local
const ACCESS_TOKEN_KEY = 'access_token'
function get(key) {
return new Promise(resolve => localStorage.get(key, items => resolve(items[key])))
}
function set(key, value) {
return new Promise(resolve => localStorage.set({ [key]: value }, resolve))
}
function getAccessToken() {
return get(ACCESS_TOKEN_KEY)
}
function setAccessToken(accessToken) {
return set(ACCESS_TOKEN_KEY, accessToken)
}
export default {
get,
set,
getAccessToken,
setAccessToken,
}

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import GitHubHelper from './GitHubHelper'
const nodeTemplate = {
name: null,
path: null,
mode: null,
type: null,
sha: null,
url: null,
}
function sortFoldersToFront(root) {
const isFolder = node => node.type === 'tree'
const isNotFolder = (...args) => !isFolder(...args)
function DFS(root) {
const nodes = root.contents
if (nodes) {
nodes.splice(0, Infinity, ...nodes.filter(isFolder), ...nodes.filter(isNotFolder))
nodes.forEach(DFS)
}
return root
}
return DFS(root)
}
function parse(treeData, metaData) {
const { tree } = treeData
// nodes are created from items and put onto tree
const pathToNode = new Map()
const pathToItem = new Map()
const root = { ...nodeTemplate, name: '', path: '', contents: [] }
pathToNode.set('', root)
tree.forEach(item => pathToItem.set(item.path, item))
tree.forEach(item => {
// bottom-up search for the deepest node created
let path = item.path
const itemsToCreateTreeNode = []
while (path !== '' && !pathToNode.has(path)) {
itemsToCreateTreeNode.push(pathToItem.get(path))
// 'a/b' -> 'a'
// 'a' -> ''
path = path.substring(0, path.lastIndexOf('/'))
}
// top-down create nodes
while (itemsToCreateTreeNode.length) {
const item = itemsToCreateTreeNode.pop()
const node = {
...nodeTemplate,
...item,
name: item.path.replace(/^.*\//, ''),
url: GitHubHelper.getUrlForRedirect(metaData, item.path),
contents: item.type === 'tree' ? [] : null,
}
pathToNode.get(path).contents.push(node)
pathToNode.set(node.path, node)
path = node.path
}
})
return {
root: sortFoldersToFront(root),
nodes: Array.from(pathToNode.values()),
}
}
export default {
parse,
}

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function parse() {
const { pathname } = window.location
const [
,
// ignore content before the first '/'
userName,
repoName,
type,
branchName,
] = pathname.split('/')
return {
userName,
repoName,
type,
branchName,
}
}
const RESERVED_NAME = ['blog']
function isInCodePage() {
const { userName, repoName, type, branchName } = parse()
return !!(
userName &&
!RESERVED_NAME.find(_ => _ === userName) &&
repoName &&
(!type || type === 'tree' || type === 'blob') &&
((type && branchName) || !(type || branchName))
)
}
function detectShouldShow(metaData) {
return isInCodePage() && (!metaData || metaData.repoName)
}
export default {
detectShouldShow,
isInCodePage,
parse,
}

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/**
* This is the stack for generating an array of nodes for rendering
*
* when lower layer changes, higher layers would reset
* when higher layer changes, lower layers would not notice
*
* render stack | when will change | on change callback
*
* ^ changes frequently
* |
* |4 focus | when hover/focus move | onFocusChange
* | | | expandedNodes + focusNode -> visibleNodes
* |3 expansion | when fold/unfold | onExpansionChange
* | | | searchedNodes + toggleNode -> expandedNodes
* |2 search key | when search | onSearch
* | | | treeNodes + searchKey -> searchedNodes
* |1 tree: { root <-> nodes } | when tree init | treeHelper.parse
* | | tree data from api -> { root, nodes }
* v stable
*/
function getFilterFunc(keyRegex) {
return function filterFunc({ name }) {
return keyRegex.test(name)
}
}
function search(treeNodes, searchKey) {
if (!searchKey) return
/**
* if searchKey is 'abcd'
* then keyRegex will be /a.*?b.*?c.*?d/i
*/
const keyRegex = new RegExp(
searchKey
.replace(/\//, '')
.split('')
.join('.*?'),
'i'
)
return treeNodes.filter(getFilterFunc(keyRegex))
}
function debounce(func, delay) {
let timer
return (...args) => {
return new Promise(resolve => {
window.clearTimeout(timer)
timer = window.setTimeout(() => resolve(func(...args)), delay)
})
}
}
export const debouncedSearch = debounce(search, 250)
export default class VisibleNodesGenerator {
// LEVEL 1
root = null
nodes = null
plantTree(root, nodes) {
this.root = root
this.nodes = nodes
// a simplified sync 'search'
this.searchedNodes = this.root.contents
this.generateVisibleNodes()
}
// LEVEL 2
searchedNodes = null
async search(searchKey) {
this.searchedNodes = (await debouncedSearch(this.nodes, searchKey)) || this.root.contents
this.expandedNodes.clear()
this.generateVisibleNodes()
}
// LEVEL 3
expandedNodes = new Set()
depths = new Map()
toggleExpand(node) {
this.setExpand(node, !this.expandedNodes.has(node))
}
setExpand(node, expand) {
if (expand && node.contents) {
// only node with contents is expandable
this.expandedNodes.add(node)
} else {
this.expandedNodes.delete(node)
}
this.generateVisibleNodes()
}
visibleNodes = null
generateVisibleNodes() {
this.focusedNode = null
this.depths.clear()
const nodesSet = new Set() // prevent duplication
const get = (nodes, depth = 0) => {
return [].concat(
...nodes.map(node => {
if (nodesSet.has(node)) return []
this.depths.set(node, depth)
nodesSet.add(node)
const children = this.expandedNodes.has(node) ? get(node.contents, depth + 1) : []
return [node, ...children]
})
)
}
this.visibleNodes = {
nodes: get(this.searchedNodes),
depths: this.depths,
expandedNodes: this.expandedNodes,
}
this.focusNode(null)
}
// LEVEL 4
focusedNode = null
focusNode(node) {
this.focusedNode = node
this.visibleNodes.focusedNode = node
}
}

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const webpack = require('webpack')
const path = require('path')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const UglifyJSWebpackPlugin = require('uglifyjs-webpack-plugin')
const srcPath = path.resolve(__dirname, 'src')
const plugins = [
new CopyWebpackPlugin([
{
from: './src/manifest.json',
to: 'manifest.json',
},
]),
new webpack.SourceMapDevToolPlugin({}),
]
if (process.env.NODE_ENV === 'production') {
plugins.push(
new UglifyJSWebpackPlugin({
cache: true,
uglifyOptions: {
ecma: 6,
},
})
)
plugins.push(
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: 'production',
},
})
)
}
module.exports = {
entry: {
content: './src/content.js',
},
output: {
path: path.resolve(__dirname, 'dist'),
filename: '[name].js',
},
module: {
rules: [
{
test: /\.js$/,
loader: 'babel-loader',
options: {
cacheDirectory: true,
},
include: [srcPath],
},
{
test: /\.less$/,
loader: ['style-loader', 'css-loader', 'less-loader'],
include: [srcPath],
},
{
test: /\.(png|woff|woff2|eot|ttf|svg)(\?[a-z0-9=.]+)?$/,
loader: 'url-loader?limit=100000',
include: [srcPath],
},
],
},
plugins,
}

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