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| 18 |
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| { | ||
| "chrome": { | ||
| "latest_version": "1.9.0", | ||
| "latest_version": "1.9.2", | ||
| "url": "https://chrome.google.com/webstore/detail/hypercrx/ijchfbpdgeljmhnhokmekkecpbdkgabc" | ||
| }, | ||
| "edge": { | ||
| "latest_version": "1.9.0", | ||
| "latest_version": "1.9.2", | ||
| "url": "https://microsoftedge.microsoft.com/addons/detail/hypercrx/lbbajaehiibofpconjgdjonmkidpcome" | ||
| }, | ||
| "develop": { | ||
| "latest_version": "1.9.0", | ||
| "latest_version": "1.9.2", | ||
| "url": "https://github.com/hypertrons/hypertrons-crx/releases" | ||
| } | ||
| } |
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89 changes: 89 additions & 0 deletions
89
src/pages/ContentScripts/features/repo-activity-racing-bar/AvatarColorStore.ts
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| // @ts-ignore - TS7016: Could not find a declaration file for module 'colorthief'. | ||
| import ColorThief from 'colorthief'; | ||
|
|
||
| type LoginId = string; | ||
| type Color = string; | ||
| type RGB = [number, number, number]; | ||
| interface ColorCache { | ||
| colors: Color[]; | ||
| lastUpdated: number; // timestamp | ||
| } | ||
|
|
||
| /** The number determines how many colors are extracted from the image */ | ||
| const COLOR_COUNT = 2; | ||
| /** The number determines how many pixels are skipped before the next one is sampled. */ | ||
| const COLOR_QUALITY = 1; | ||
| /** The number determines how long the cache is valid. */ | ||
| const CACHE_EXPIRE_TIME = 1000 * 60 * 60 * 24 * 7; | ||
|
|
||
| /** | ||
| * A singleton class that stores the avatar colors of users. | ||
| */ | ||
| class AvatarColorStore { | ||
| private static instance: AvatarColorStore; | ||
| private colorThief = new ColorThief(); | ||
|
|
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| private loadAvatar(loginId: string): Promise<HTMLImageElement> { | ||
| return new Promise((resolve, reject) => { | ||
| const img = new Image(); | ||
| img.crossOrigin = 'anonymous'; | ||
| img.onload = () => resolve(img); | ||
| img.onerror = reject; | ||
| img.src = `https://avatars.githubusercontent.com/${loginId}?s=8&v=4`; | ||
| }); | ||
| } | ||
|
|
||
| public async getColors(loginId: LoginId): Promise<Color[]> { | ||
| // Create a unique key for this user's cache entry. | ||
| const cacheKey = `color-cache:${loginId}`; | ||
|
|
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| const now = new Date().getTime(); | ||
| const colorCache: ColorCache = (await chrome.storage.local.get(cacheKey))[ | ||
| cacheKey | ||
| ]; | ||
|
|
||
| // Check if the cache is stale or doesn't exist. | ||
| if (!colorCache || now - colorCache.lastUpdated > CACHE_EXPIRE_TIME) { | ||
| let colors: Color[]; | ||
| // a single white color causes error: https://github.com/lokesh/color-thief/issues/40#issuecomment-802424484 | ||
| try { | ||
| colors = await this.loadAvatar(loginId) | ||
| .then((img) => | ||
| this.colorThief.getPalette(img, COLOR_COUNT, COLOR_QUALITY) | ||
| ) | ||
| .then((rgbs) => { | ||
| return rgbs.map( | ||
| (rgb: RGB) => `rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})` | ||
| ); | ||
| }); | ||
| // Store the updated cache entry with the unique key. | ||
| await chrome.storage.local.set({ | ||
| [cacheKey]: { | ||
| colors, | ||
| lastUpdated: now, | ||
| }, | ||
| }); | ||
| } catch (error) { | ||
| console.error( | ||
| `Cannot extract colors of the avatar of ${loginId}, error info: `, | ||
| error | ||
| ); | ||
| colors = Array(COLOR_COUNT).fill('rgb(255, 255, 255)'); | ||
| } | ||
|
|
||
| return colors; | ||
| } | ||
|
|
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| // Return the cached colors. | ||
| return colorCache.colors; | ||
| } | ||
|
|
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| public static getInstance(): AvatarColorStore { | ||
| if (!AvatarColorStore.instance) { | ||
| AvatarColorStore.instance = new AvatarColorStore(); | ||
| } | ||
| return AvatarColorStore.instance; | ||
| } | ||
| } | ||
|
|
||
| export const avatarColorStore = AvatarColorStore.getInstance(); |
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