├── .env.production ├── .gitignore ├── LICENSE ├── README.md ├── index.html ├── package-lock.json ├── package.json ├── public ├── favicon@128x128.png ├── favicon@16x16.png └── favicon@48x48.png ├── screenshot.png ├── screenshots └── main.png ├── scripts ├── create-release.sh ├── create-source-zip.sh └── make-manifest.ts ├── src ├── content │ ├── app-state.ts │ ├── drawer-hooks.tsx │ ├── drawer.tsx │ ├── index.tsx │ ├── local-storage.ts │ ├── log.ts │ ├── path-finder.ts │ ├── send-message.ts │ └── styles.css ├── frame │ ├── index.html │ └── index.ts ├── manifest.ts ├── preact.d.ts └── worker │ └── index.ts ├── tsconfig.json ├── vite-env.d.ts └── vite.config.ts /.env.production: -------------------------------------------------------------------------------- 1 | VITE_BASE_URL=https://gitowl.dev 2 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Logs 2 | logs 3 | *.log 4 | npm-debug.log* 5 | yarn-debug.log* 6 | yarn-error.log* 7 | pnpm-debug.log* 8 | lerna-debug.log* 9 | 10 | node_modules 11 | dist 12 | release 13 | *.local 14 | 15 | public/manifest.json 16 | 17 | # Editor directories and files 18 | .vscode/* 19 | !.vscode/extensions.json 20 | .idea 21 | .DS_Store 22 | *.suo 23 | *.ntvs* 24 | *.njsproj 25 | *.sln 26 | *.sw? 27 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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3 | GitOwl Browser Extension 4 |

5 | 6 |

7 | gitowl.dev 8 | • 9 | chrome 10 | • 11 | firefox 12 |

13 | 14 | ![Screenshot](./screenshots/main.png) 15 | 16 | GitOwl browser extension adds a sidebar to GitHub, NPM & PyPI with contextual insights. 17 | 18 | The extension code itself is kept to a minimum, to maintain privacy and ease of review. 19 | The insights are provided by the `gitowl.dev` iframe, which is embedded in the sidebar and doesn't have access to the content of the page. 20 | 21 | The extension is only responsible for: 22 | - Controlling the sidebar state 23 | - Identifying the entity being viewed 24 | - Instantiating the iframe 25 | - Passing the entity name to the iframe 26 | - Storing authentication token 27 | 28 | ## Architecture 29 | 30 | Extension consists of the [content script](./src/content/index.tsx), the [frame](./src/frame/index.html) page and the [worker](./src/worker/index.ts). 31 | 32 | ### Content Script 33 | 34 | - runs in the context of the page 35 | - creates & controls the sidebar 36 | - identifies the entity being viewed 37 | - instantiates frame.html as an iframe 38 | - posts messages to iframe if the entity changes 39 | 40 | ### Frame Page 41 | 42 | The frame page contains the `gitowl.dev` iframe, it is needed to prevent issues with embedding iframe with a different origin. 43 | 44 | - Relays messages from the content script to `gitowl.dev` (URL changes) 45 | - Attaches authentication token to the `gitowl.dev` URL 46 | 47 | ### Worker (chromium only) 48 | 49 | Listens for messages from `gitowl.dev` and stores the authentication token. 50 | 51 | ## Development 52 | 53 | 1. Install dependencies 54 | ```shell 55 | $ npm install 56 | ``` 57 | 58 | 2. Run the dev script 59 | ```shell 60 | $ npm run dev 61 | ``` 62 | 63 | The extension preview will be available at `http://localhost:5173`. Alternatively, it can also be loaded as an unpacked extension (see below). 64 | 65 | ### Loading the extension (Chrome) 66 | 67 | ```shell 68 | # Builds the extension and watches for changes 69 | $ npm run build:watch 70 | ``` 71 | 72 | - Open the Extension Management page by navigating to `chrome://extensions`. 73 | - Enable Developer Mode by clicking the toggle switch next to Developer mode. 74 | - Click the `LOAD UNPACKED` button and select the `dist` directory. 75 | - Note: there is no automatic reloading, so you will need to manually reload the extension to see changes. 76 | 77 | 78 | ## Build & Pack 79 | 80 | The build script simply bundles the extension and zips the contents of the `dist` directory. 81 | 82 | ```shell 83 | $ ./scripts/create-release.sh 84 | ``` 85 | -------------------------------------------------------------------------------- /index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | GitOwl Extension 7 | 28 | 29 | 30 | 31 | 32 |

Example Page

33 | 34 | 35 | 36 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "gitowl-extension", 3 | "version": "0.2.5", 4 | "private": true, 5 | "type": "module", 6 | "homepage": "https://gitowl.dev", 7 | "scripts": { 8 | "dev": "vite", 9 | "build:dev": "NODE_ENV=development vite build --mode development", 10 | "build:watch": "npm run build:dev -- --watch", 11 | "build:watch:firefox": "BROWSER=firefox npm run build:watch", 12 | "build": "vite build", 13 | "build:firefox": "BROWSER=firefox vite build" 14 | }, 15 | "dependencies": { 16 | "preact": "^10.22.1" 17 | }, 18 | "devDependencies": { 19 | "@preact/preset-vite": "^2.9.0", 20 | "@types/chrome": "^0.0.271", 21 | "@types/node": "^22.5.5", 22 | "eslint": "^8.57.1", 23 | "eslint-config-preact": "^1.4.0", 24 | "typescript": "^5.6.2", 25 | "vite": "^5.3.3" 26 | }, 27 | "eslintConfig": { 28 | "extends": "preact" 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /public/favicon@128x128.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dhilman/gitowl-extension/1562897a72f07fceb86acbe38436a47ab37bf1ed/public/favicon@128x128.png -------------------------------------------------------------------------------- /public/favicon@16x16.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dhilman/gitowl-extension/1562897a72f07fceb86acbe38436a47ab37bf1ed/public/favicon@16x16.png -------------------------------------------------------------------------------- /public/favicon@48x48.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dhilman/gitowl-extension/1562897a72f07fceb86acbe38436a47ab37bf1ed/public/favicon@48x48.png -------------------------------------------------------------------------------- /screenshot.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dhilman/gitowl-extension/1562897a72f07fceb86acbe38436a47ab37bf1ed/screenshot.png -------------------------------------------------------------------------------- /screenshots/main.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dhilman/gitowl-extension/1562897a72f07fceb86acbe38436a47ab37bf1ed/screenshots/main.png -------------------------------------------------------------------------------- /scripts/create-release.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | pnpm build 4 | 5 | rm -rf release 6 | mkdir release 7 | 8 | cd dist 9 | zip -r ../release/gitowl.zip . 10 | cd .. 11 | -------------------------------------------------------------------------------- /scripts/create-source-zip.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | zip -r gitowl-source.zip . -x "dist/*" "release/*" "scripts/*" ".*" "node_modules/*" 4 | -------------------------------------------------------------------------------- /scripts/make-manifest.ts: -------------------------------------------------------------------------------- 1 | import * as fs from "fs"; 2 | import { resolve } from "path"; 3 | import manifest from "../src/manifest"; 4 | 5 | const outDir = resolve(__dirname, "..", "public"); 6 | 7 | export default function makeManifest() { 8 | return { 9 | name: "make-manifest", 10 | buildStart() { 11 | if (!fs.existsSync(outDir)) { 12 | fs.mkdirSync(outDir); 13 | } 14 | 15 | const manifestPath = resolve(outDir, "manifest.json"); 16 | 17 | fs.writeFileSync(manifestPath, JSON.stringify(manifest, null, 2)); 18 | 19 | console.log(`\nManifest file copy complete: ${manifestPath}`); 20 | }, 21 | }; 22 | } 23 | -------------------------------------------------------------------------------- /src/content/app-state.ts: -------------------------------------------------------------------------------- 1 | import { LocalStorage } from "@/content/local-storage"; 2 | import { log } from "@/content/log"; 3 | import { getCurrentPath } from "@/content/path-finder"; 4 | import { sendMessage } from "@/content/send-message"; 5 | 6 | interface AppState { 7 | url: string; 8 | path: string; 9 | } 10 | 11 | export const AppState: AppState = { 12 | url: window.location.href, 13 | path: getCurrentPath(), 14 | }; 15 | 16 | export function syncAppState() { 17 | sendMessage({ 18 | id: Date.now(), 19 | type: "gitowl", 20 | path: AppState.path, 21 | isOpen: LocalStorage.getDrawerIsOpen(), 22 | }); 23 | } 24 | 25 | // Setup path change observer 26 | const observer = new MutationObserver(() => { 27 | if (AppState.url === window.location.href) return; 28 | AppState.url = window.location.href; 29 | 30 | const newPath = getCurrentPath(); 31 | if (AppState.path === newPath) return; 32 | AppState.path = newPath; 33 | syncAppState(); 34 | }); 35 | observer.observe(document.body, { childList: true, subtree: true }); 36 | 37 | class ExtensionIframe { 38 | static version = import.meta.env.VITE_GITOWL_VERSION; 39 | 40 | static getBaseSrc() { 41 | if (import.meta.env.DEV) { 42 | if (window.location.host.startsWith("localhost")) { 43 | return window.location.origin + "/src/frame/index.html"; 44 | } 45 | } 46 | return chrome.runtime.getURL("src/frame/index.html"); 47 | } 48 | 49 | static src(path: string) { 50 | const isClosed = !LocalStorage.getDrawerIsOpen(); 51 | path += "?"; 52 | path += "version=" + this.version; 53 | if (isClosed) { 54 | path += "&closed=true"; 55 | } 56 | const b64 = btoa(path); 57 | return this.getBaseSrc() + "?path=" + b64; 58 | } 59 | } 60 | 61 | log("initial path", AppState.path); 62 | export const IFRAME_INITIAL_SRC = ExtensionIframe.src(AppState.path); 63 | -------------------------------------------------------------------------------- /src/content/drawer-hooks.tsx: -------------------------------------------------------------------------------- 1 | import { syncAppState } from "@/content/app-state"; 2 | import { LocalStorage } from "@/content/local-storage"; 3 | import { log } from "@/content/log"; 4 | import { useCallback, useRef, useState } from "preact/hooks"; 5 | 6 | export function useDrawerIsOpen() { 7 | const [isOpen, setIsOpen] = useState(() => { 8 | return LocalStorage.getDrawerIsOpen(); 9 | }); 10 | 11 | const onToggleOpen = () => { 12 | setIsOpen(!isOpen); 13 | LocalStorage.setDrawerIsOpen(!isOpen); 14 | syncAppState(); 15 | }; 16 | 17 | return { isOpen, onToggleOpen }; 18 | } 19 | 20 | const MIN_DRAWER_WIDTH = 300; 21 | 22 | export function useDrawerSize() { 23 | const [width, setWidth] = useState(() => { 24 | return LocalStorage.getDrawerWidth(); 25 | }); 26 | const [buttonTopPct, setButtonTopPct] = useState(() => { 27 | return LocalStorage.getDrawerBtnTop(); 28 | }); 29 | const [isDragging, setIsDragging] = useState(false); 30 | 31 | // Refs to store mutable variables without causing re-renders 32 | const initialWidthRef = useRef(width); 33 | const initialTopRef = useRef(buttonTopPct); 34 | const startXRef = useRef(0); 35 | const startYRef = useRef(0); 36 | const currWidthRef = useRef(width); 37 | const currTopRef = useRef(buttonTopPct); 38 | const restoreUserSelectFuncRef = useRef<(() => void) | null>(null); 39 | 40 | const onDragMove = useCallback((e: MouseEvent) => { 41 | const deltaX = startXRef.current - e.clientX; 42 | const newWidth = initialWidthRef.current + deltaX; 43 | 44 | if (newWidth > MIN_DRAWER_WIDTH) { 45 | setWidth(newWidth); 46 | currWidthRef.current = newWidth; 47 | } 48 | 49 | const deltaY = startYRef.current - e.clientY; 50 | const deltaYPercentage = (deltaY / window.innerHeight) * 100; 51 | const newTopPct = initialTopRef.current - deltaYPercentage; 52 | log("new top %", newTopPct); 53 | 54 | if (newTopPct > 0 && newTopPct < 85) { 55 | setButtonTopPct(newTopPct); 56 | currTopRef.current = newTopPct; 57 | } 58 | }, []); 59 | 60 | const onDragEnd = useCallback(() => { 61 | setIsDragging(false); 62 | restoreUserSelectFuncRef.current?.(); 63 | LocalStorage.setDrawerWidth(currWidthRef.current); 64 | LocalStorage.setDrawerBtnTop(currTopRef.current); 65 | }, [onDragMove]); 66 | 67 | const onDragStart = useCallback( 68 | (e: MouseEvent) => { 69 | // Disable pointer events for the body and the iframe while dragging 70 | const prevPointerEvent = document.body.style.pointerEvents; 71 | const iframe = getGitOwlIframe(); 72 | document.body.style.pointerEvents = "none"; 73 | iframe.style.pointerEvents = "none"; 74 | restoreUserSelectFuncRef.current = () => { 75 | document.body.style.pointerEvents = prevPointerEvent; 76 | iframe.style.pointerEvents = "auto"; 77 | }; 78 | 79 | // Initialize refs with current state 80 | initialWidthRef.current = width; 81 | initialTopRef.current = buttonTopPct; 82 | startXRef.current = e.clientX; 83 | startYRef.current = e.clientY; 84 | }, 85 | [onDragMove, width, buttonTopPct] 86 | ); 87 | 88 | const { onMouseDown } = useDraggable({ 89 | onDragStart, 90 | onDragMove, 91 | onDragEnd, 92 | }); 93 | 94 | return { width, buttonTopPercentage: buttonTopPct, onMouseDown, isDragging }; 95 | } 96 | 97 | function getGitOwlIframe() { 98 | return document.getElementById("gitowl-iframe") as HTMLIFrameElement; 99 | } 100 | 101 | interface UseDraggableOptions { 102 | onDragStart: (e: MouseEvent) => void; 103 | onDragMove: (e: MouseEvent) => void; 104 | onDragEnd: () => void; 105 | } 106 | 107 | export function useDraggable(options: UseDraggableOptions) { 108 | const animationFrameRef = useRef(null); 109 | 110 | const onMouseMove = useCallback( 111 | (e: MouseEvent) => { 112 | if (animationFrameRef.current === null) { 113 | animationFrameRef.current = window.requestAnimationFrame(() => { 114 | options.onDragMove(e); 115 | animationFrameRef.current = null; 116 | }); 117 | } 118 | }, 119 | [options.onDragMove] 120 | ); 121 | 122 | const onMouseUp = useCallback(() => { 123 | options.onDragEnd(); 124 | document.removeEventListener("mousemove", onMouseMove); 125 | if (animationFrameRef.current !== null) { 126 | window.cancelAnimationFrame(animationFrameRef.current); 127 | animationFrameRef.current = null; 128 | } 129 | log("Drawer drag ended"); 130 | }, [options.onDragEnd, onMouseMove]); 131 | 132 | const onMouseDown = useCallback( 133 | (e: MouseEvent) => { 134 | e.preventDefault(); 135 | options.onDragStart(e); 136 | document.addEventListener("mousemove", onMouseMove); 137 | document.addEventListener("mouseup", onMouseUp, { once: true }); 138 | log("Drawer drag started"); 139 | }, 140 | [options.onDragStart, onMouseMove, onMouseUp] 141 | ); 142 | 143 | return { onMouseDown }; 144 | } 145 | -------------------------------------------------------------------------------- /src/content/drawer.tsx: -------------------------------------------------------------------------------- 1 | import { IFRAME_INITIAL_SRC } from "@/content/app-state"; 2 | import { useDrawerIsOpen, useDrawerSize } from "@/content/drawer-hooks"; 3 | 4 | export default function Drawer() { 5 | const { width, buttonTopPercentage, onMouseDown } = useDrawerSize(); 6 | const { isOpen, onToggleOpen } = useDrawerIsOpen(); 7 | 8 | return ( 9 |
15 |
19 | 28 | {isOpen && } 29 |
30 |