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* feat: create color package * feat: added color functions and unit test
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import { describe, expect, it } from 'vitest' | ||
import { darken, hexToRgba, lighten, rgbaToHex } from '../src/color' | ||
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describe('color', () => { | ||
it('rgbaToHex', () => { | ||
const testData = [ | ||
{ rgba: 'rgba(0, 0, 0, 1)', expected: '#000000ff' }, | ||
{ rgba: 'rgba(255, 0, 0, 0.5)', expected: '#ff00007f' }, | ||
{ rgba: 'rgba(0, 255, 0, 0.2)', expected: '#00ff0033' }, | ||
{ rgba: 'rgb(100, 100, 100)', expected: '#646464' }, | ||
{ rgba: '#123456', expected: '#123456' }, | ||
{ rgba: 'invalid-color', expected: '' }, | ||
] | ||
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for (const { rgba, expected } of testData) | ||
expect(rgbaToHex(rgba)).toEqual(expected) | ||
}) | ||
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it('hexToRgba', () => { | ||
const testData = [ | ||
{ hex: '#FFFFFF', expected: 'rgb(255, 255, 255)' }, | ||
{ hex: '#00FF00', expected: 'rgb(0, 255, 0)' }, | ||
{ hex: '#FF000099', expected: 'rgba(255, 0, 0, 0.6)' }, | ||
{ hex: '#123456', expected: 'rgb(18, 52, 86)' }, | ||
{ hex: 'invalid-color', expected: '' }, | ||
{ hex: '#cccc', expected: 'rgba(204, 204, 204, 0.8)' }, | ||
{ hex: 'rgb(0, 255, 0)', expected: 'rgb(0, 255, 0)' }, | ||
{ hex: 'rgba(0, 255, 0, 0.6)', expected: 'rgba(0, 255, 0, 0.6)' }, | ||
] | ||
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for (const { hex, expected } of testData) | ||
expect(hexToRgba(hex)).toEqual(expected) | ||
}) | ||
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it('lighten', () => { | ||
const testData = [ | ||
{ color: '#FFFFFF', level: 0, expected: '#ffffff' }, | ||
{ color: '#007AFF', level: 1, expected: '#1987ff' }, | ||
{ color: '#FF0000', level: 5, expected: '#ff7f7f' }, | ||
{ color: 'rgb(200, 100, 50)', level: 7, expected: 'rgb(238, 208, 193)' }, | ||
{ color: 'rgba(150, 150, 150, 0.5)', level: 9, expected: 'rgba(244, 244, 244, 0.5)' }, | ||
{ color: 'invalid-color', level: 3, expected: '' }, | ||
] | ||
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for (const { color, level, expected } of testData) | ||
expect(lighten(color, level)).toEqual(expected) | ||
}) | ||
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it('darken', () => { | ||
const testData = [ | ||
{ color: '#FFFFFF', level: 0, expected: '#ffffff' }, | ||
{ color: '#007AFF', level: 1, expected: '#006de5' }, | ||
{ color: '#FF0000', level: 5, expected: '#7f0000' }, | ||
{ color: 'rgb(200, 100, 50)', level: 7, expected: 'rgb(60, 30, 15)' }, | ||
{ color: 'rgba(150, 150, 150, 0.5)', level: 9, expected: 'rgba(15, 15, 15, 0.5)' }, | ||
{ color: 'invalid-color', level: 3, expected: '' }, | ||
] | ||
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for (const { color, level, expected } of testData) | ||
expect(darken(color, level)).toEqual(expected) | ||
}) | ||
}) |
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export * from './src/color' |
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{ | ||
"name": "@vtrbo/utils-color", | ||
"type": "module", | ||
"version": "0.4.0-beta.4", | ||
"description": "Collection of common JavaScript or TypeScript utils.", | ||
"author": { | ||
"name": "Victor Bo", | ||
"email": "hi@vtrbo.cn" | ||
}, | ||
"license": "MIT", | ||
"homepage": "https://github.com/vtrbo", | ||
"bugs": "https://github.com/vtrbo/utils/issues", | ||
"keywords": [ | ||
"typescript", | ||
"javascript", | ||
"utils", | ||
"vue", | ||
"react", | ||
"svelte", | ||
"vite" | ||
], | ||
"exports": { | ||
".": { | ||
"types": "./index.d.ts", | ||
"import": "./index.js", | ||
"require": "./index.cjs" | ||
} | ||
}, | ||
"main": "./index.js", | ||
"module": "./index.js", | ||
"types": "./index.d.ts", | ||
"typesVersions": { | ||
"*": { | ||
"*": [ | ||
"./*", | ||
"./index.d.ts" | ||
] | ||
} | ||
}, | ||
"files": [ | ||
"README.md", | ||
"index.cjs", | ||
"index.d.cts", | ||
"index.d.ts", | ||
"index.js" | ||
], | ||
"scripts": { | ||
"build": "tsup", | ||
"clean": "pnpm clean:dist && pnpm clean:deps", | ||
"clean:dist": "rimraf dist", | ||
"clean:deps": "rimraf node_modules" | ||
}, | ||
"dependencies": { | ||
"@vtrbo/utils-color": "workspace:*", | ||
"@vtrbo/utils-tool": "workspace:*" | ||
} | ||
} |
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import { isColor } from '@vtrbo/utils-is' | ||
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export function rgbaToHex(rgba: string): string { | ||
if (isColor(rgba, 'HEX')) | ||
return rgba | ||
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if (!isColor(rgba, 'RGB') && !isColor(rgba, 'RGBA')) | ||
return '' | ||
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const rgbaValue = rgba.replace('rgba(', '').replace('rgb(', '').replace(')', '') | ||
const [r, g, b, a] = rgbaValue.split(',').map(m => +m) | ||
if (r >= 0 && r <= 255 && g >= 0 && g <= 255 && b >= 0 && b <= 255) | ||
return `#${((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1)}${(a || a === 0) ? (a * 255 | 1 << 8).toString(16).slice(1) : ''}` | ||
return '' | ||
} | ||
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export function hexToRgba(hex: string): string { | ||
if (isColor(hex, 'RGB') || isColor(hex, 'RGBA')) | ||
return hex | ||
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if (!isColor(hex, 'HEX')) | ||
return '' | ||
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const getSingle = (start: number, end: number) => Number.parseInt(`0x${hex.slice(start, end)}${hex.slice(start, end)}`) | ||
const getDouble = (start: number, end: number) => Number.parseInt(`0x${hex.slice(start, end)}`) | ||
const getAlpha = (start: number, end: number, fn: typeof getSingle | typeof getDouble) => Math.round(fn(start, end) / 255 * 100) / 100 | ||
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const hexMap: { | ||
[key: number]: string | ||
} = { | ||
4: `rgb(${getSingle(1, 2)}, ${getSingle(2, 3)}, ${getSingle(3, 4)})`, | ||
5: `rgba(${getSingle(1, 2)}, ${getSingle(2, 3)}, ${getSingle(3, 4)}, ${getAlpha(4, 5, getSingle)})`, | ||
7: `rgb(${getDouble(1, 3)}, ${getDouble(3, 5)}, ${getDouble(5, 7)})`, | ||
9: `rgba(${getDouble(1, 3)}, ${getDouble(3, 5)}, ${getDouble(5, 7)}, ${getAlpha(7, 9, getDouble)})`, | ||
} | ||
return hexMap[hex.length] || '' | ||
} | ||
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export function lighten(color: string, level: number = 10): string { | ||
if (!isColor(color, 'HEX') && !isColor(color, 'RGB') && !isColor(color, 'RGBA')) | ||
return '' | ||
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let rgbaColor: string = '' | ||
let rgba: number[] = [] | ||
let type: 'HEX' | 'RGB' | 'RGBA' = 'RGBA' | ||
if (isColor(color, 'HEX')) { | ||
rgbaColor = hexToRgba(color) | ||
type = 'HEX' | ||
} | ||
else { | ||
rgbaColor = color | ||
type = isColor(color, 'RGBA') ? 'RGBA' : 'RGB' | ||
} | ||
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const rgbaValue = rgbaColor.replace('rgba(', '').replace('rgb(', '').replace(')', '') | ||
rgba = rgbaValue.split(',').map(m => +m) | ||
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for (let i = 0; i < 3; i++) rgba[i] = Math.floor((255 - rgba[i]) * level / 10 + rgba[i]) | ||
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const typeMap = { | ||
HEX: '', | ||
RGB: `rgb(${rgba.join(', ')})`, | ||
RGBA: `rgba(${rgba.join(', ')})`, | ||
} | ||
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const lightenColor = typeMap[type] | ||
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return lightenColor || rgbaToHex(rgba.length === 3 ? typeMap.RGB : typeMap.RGBA) | ||
} | ||
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export function darken(color: string, level: number = 0): string { | ||
if (!isColor(color, 'HEX') && !isColor(color, 'RGB') && !isColor(color, 'RGBA')) | ||
return '' | ||
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let rgbaColor: string = '' | ||
let rgba: number[] = [] | ||
let type: 'HEX' | 'RGB' | 'RGBA' = 'RGBA' | ||
if (isColor(color, 'HEX')) { | ||
rgbaColor = hexToRgba(color) | ||
type = 'HEX' | ||
} | ||
else { | ||
rgbaColor = color | ||
type = isColor(color, 'RGBA') ? 'RGBA' : 'RGB' | ||
} | ||
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const rgbaValue = rgbaColor.replace('rgba(', '').replace('rgb(', '').replace(')', '') | ||
rgba = rgbaValue.split(',').map(m => +m) | ||
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for (let i = 0; i < 3; i++) rgba[i] = Math.floor(rgba[i] * (10 - level) / 10) | ||
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const typeMap = { | ||
HEX: '', | ||
RGB: `rgb(${rgba.join(', ')})`, | ||
RGBA: `rgba(${rgba.join(', ')})`, | ||
} | ||
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const darkenColor = typeMap[type] | ||
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return darkenColor || rgbaToHex(rgba.length === 3 ? typeMap.RGB : typeMap.RGBA) | ||
} |
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import { defineConfig } from 'tsup' | ||
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export default defineConfig({ | ||
entry: ['index.ts'], | ||
format: ['cjs', 'esm'], | ||
dts: true, | ||
clean: true, | ||
splitting: true, | ||
}) |
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