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; | |
const wrapAnsi16 = (fn, offset) => (...args) => { | |
const code = fn(...args); | |
return `\u001B[${code + offset}m`; | |
}; | |
const wrapAnsi256 = (fn, offset) => (...args) => { | |
const code = fn(...args); | |
return `\u001B[${38 + offset};5;${code}m`; | |
}; | |
const wrapAnsi16m = (fn, offset) => (...args) => { | |
const rgb = fn(...args); | |
return `\u001B[${38 + offset};2;${rgb[0]};${rgb[1]};${rgb[2]}m`; | |
}; | |
const ansi2ansi = n => n; | |
const rgb2rgb = (r, g, b) => [r, g, b]; | |
const setLazyProperty = (object, property, get) => { | |
Object.defineProperty(object, property, { | |
get: () => { | |
const value = get(); | |
Object.defineProperty(object, property, { | |
value, | |
enumerable: true, | |
configurable: true | |
}); | |
return value; | |
}, | |
enumerable: true, | |
configurable: true | |
}); | |
}; | |
/** @type {typeof import('color-convert')} */ | |
let colorConvert; | |
const makeDynamicStyles = (wrap, targetSpace, identity, isBackground) => { | |
if (colorConvert === undefined) { | |
colorConvert = require('color-convert'); | |
} | |
const offset = isBackground ? 10 : 0; | |
const styles = {}; | |
for (const [sourceSpace, suite] of Object.entries(colorConvert)) { | |
const name = sourceSpace === 'ansi16' ? 'ansi' : sourceSpace; | |
if (sourceSpace === targetSpace) { | |
styles[name] = wrap(identity, offset); | |
} else if (typeof suite === 'object') { | |
styles[name] = wrap(suite[targetSpace], offset); | |
} | |
} | |
return styles; | |
}; | |
function assembleStyles() { | |
const codes = new Map(); | |
const styles = { | |
modifier: { | |
reset: [0, 0], | |
// 21 isn't widely supported and 22 does the same thing | |
bold: [1, 22], | |
dim: [2, 22], | |
italic: [3, 23], | |
underline: [4, 24], | |
inverse: [7, 27], | |
hidden: [8, 28], | |
strikethrough: [9, 29] | |
}, | |
color: { | |
black: [30, 39], | |
red: [31, 39], | |
green: [32, 39], | |
yellow: [33, 39], | |
blue: [34, 39], | |
magenta: [35, 39], | |
cyan: [36, 39], | |
white: [37, 39], | |
// Bright color | |
blackBright: [90, 39], | |
redBright: [91, 39], | |
greenBright: [92, 39], | |
yellowBright: [93, 39], | |
blueBright: [94, 39], | |
magentaBright: [95, 39], | |
cyanBright: [96, 39], | |
whiteBright: [97, 39] | |
}, | |
bgColor: { | |
bgBlack: [40, 49], | |
bgRed: [41, 49], | |
bgGreen: [42, 49], | |
bgYellow: [43, 49], | |
bgBlue: [44, 49], | |
bgMagenta: [45, 49], | |
bgCyan: [46, 49], | |
bgWhite: [47, 49], | |
// Bright color | |
bgBlackBright: [100, 49], | |
bgRedBright: [101, 49], | |
bgGreenBright: [102, 49], | |
bgYellowBright: [103, 49], | |
bgBlueBright: [104, 49], | |
bgMagentaBright: [105, 49], | |
bgCyanBright: [106, 49], | |
bgWhiteBright: [107, 49] | |
} | |
}; | |
// Alias bright black as gray (and grey) | |
styles.color.gray = styles.color.blackBright; | |
styles.bgColor.bgGray = styles.bgColor.bgBlackBright; | |
styles.color.grey = styles.color.blackBright; | |
styles.bgColor.bgGrey = styles.bgColor.bgBlackBright; | |
for (const [groupName, group] of Object.entries(styles)) { | |
for (const [styleName, style] of Object.entries(group)) { | |
styles[styleName] = { | |
open: `\u001B[${style[0]}m`, | |
close: `\u001B[${style[1]}m` | |
}; | |
group[styleName] = styles[styleName]; | |
codes.set(style[0], style[1]); | |
} | |
Object.defineProperty(styles, groupName, { | |
value: group, | |
enumerable: false | |
}); | |
} | |
Object.defineProperty(styles, 'codes', { | |
value: codes, | |
enumerable: false | |
}); | |
styles.color.close = '\u001B[39m'; | |
styles.bgColor.close = '\u001B[49m'; | |
setLazyProperty(styles.color, 'ansi', () => makeDynamicStyles(wrapAnsi16, 'ansi16', ansi2ansi, false)); | |
setLazyProperty(styles.color, 'ansi256', () => makeDynamicStyles(wrapAnsi256, 'ansi256', ansi2ansi, false)); | |
setLazyProperty(styles.color, 'ansi16m', () => makeDynamicStyles(wrapAnsi16m, 'rgb', rgb2rgb, false)); | |
setLazyProperty(styles.bgColor, 'ansi', () => makeDynamicStyles(wrapAnsi16, 'ansi16', ansi2ansi, true)); | |
setLazyProperty(styles.bgColor, 'ansi256', () => makeDynamicStyles(wrapAnsi256, 'ansi256', ansi2ansi, true)); | |
setLazyProperty(styles.bgColor, 'ansi16m', () => makeDynamicStyles(wrapAnsi16m, 'rgb', rgb2rgb, true)); | |
return styles; | |
} | |
// Make the export immutable | |
Object.defineProperty(module, 'exports', { | |
enumerable: true, | |
get: assembleStyles | |
}); | |