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Auto-detect color for top-level color functions #72

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Sep 21, 2021
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Auto-detect color for top-level color functions #72

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181 changes: 94 additions & 87 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -35,95 +35,102 @@ const init = (open, close) =>
`\x1b[${open}m`
)

export const reset = init(0, 0)
export const bold = raw("\x1b[1m", "\x1b[22m", /\x1b\[22m/g, "\x1b[22m\x1b[1m")
export const dim = raw("\x1b[2m", "\x1b[22m", /\x1b\[22m/g, "\x1b[22m\x1b[2m")
export const italic = init(3, 23)
export const underline = init(4, 24)
export const inverse = init(7, 27)
export const hidden = init(8, 28)
export const strikethrough = init(9, 29)
export const black = init(30, 39)
export const red = init(31, 39)
export const green = init(32, 39)
export const yellow = init(33, 39)
export const blue = init(34, 39)
export const magenta = init(35, 39)
export const cyan = init(36, 39)
export const white = init(37, 39)
export const gray = init(90, 39)
export const bgBlack = init(40, 49)
export const bgRed = init(41, 49)
export const bgGreen = init(42, 49)
export const bgYellow = init(43, 49)
export const bgBlue = init(44, 49)
export const bgMagenta = init(45, 49)
export const bgCyan = init(46, 49)
export const bgWhite = init(47, 49)
export const blackBright = init(90, 39)
export const redBright = init(91, 39)
export const greenBright = init(92, 39)
export const yellowBright = init(93, 39)
export const blueBright = init(94, 39)
export const magentaBright = init(95, 39)
export const cyanBright = init(96, 39)
export const whiteBright = init(97, 39)
export const bgBlackBright = init(100, 49)
export const bgRedBright = init(101, 49)
export const bgGreenBright = init(102, 49)
export const bgYellowBright = init(103, 49)
export const bgBlueBright = init(104, 49)
export const bgMagentaBright = init(105, 49)
export const bgCyanBright = init(106, 49)
export const bgWhiteBright = init(107, 49)
const colors = {
reset: init(0, 0),
bold: raw("\x1b[1m", "\x1b[22m", /\x1b\[22m/g, "\x1b[22m\x1b[1m"),
dim: raw("\x1b[2m", "\x1b[22m", /\x1b\[22m/g, "\x1b[22m\x1b[2m"),
italic: init(3, 23),
underline: init(4, 24),
inverse: init(7, 27),
hidden: init(8, 28),
strikethrough: init(9, 29),
black: init(30, 39),
red: init(31, 39),
green: init(32, 39),
yellow: init(33, 39),
blue: init(34, 39),
magenta: init(35, 39),
cyan: init(36, 39),
white: init(37, 39),
gray: init(90, 39),
bgBlack: init(40, 49),
bgRed: init(41, 49),
bgGreen: init(42, 49),
bgYellow: init(43, 49),
bgBlue: init(44, 49),
bgMagenta: init(45, 49),
bgCyan: init(46, 49),
bgWhite: init(47, 49),
blackBright: init(90, 39),
redBright: init(91, 39),
greenBright: init(92, 39),
yellowBright: init(93, 39),
blueBright: init(94, 39),
magentaBright: init(95, 39),
cyanBright: init(96, 39),
whiteBright: init(97, 39),
bgBlackBright: init(100, 49),
bgRedBright: init(101, 49),
bgGreenBright: init(102, 49),
bgYellowBright: init(103, 49),
bgBlueBright: init(104, 49),
bgMagentaBright: init(105, 49),
bgCyanBright: init(106, 49),
bgWhiteBright: init(107, 49),
}

const none = (any) => any

export const createColors = ({ useColor = isColorSupported } = {}) => ({
...Object.entries({
reset,
bold,
dim,
italic,
underline,
inverse,
hidden,
strikethrough,
black,
red,
green,
yellow,
blue,
magenta,
cyan,
white,
gray,
bgBlack,
bgRed,
bgGreen,
bgYellow,
bgBlue,
bgMagenta,
bgCyan,
bgWhite,
blackBright,
redBright,
greenBright,
yellowBright,
blueBright,
magentaBright,
cyanBright,
whiteBright,
bgBlackBright,
bgRedBright,
bgGreenBright,
bgYellowBright,
bgBlueBright,
bgMagentaBright,
bgCyanBright,
bgWhiteBright,
}).reduce((colorMap, [key, color]) => ({
...colorMap,
[key]: useColor ? color : none,
})),
...Object.entries(colors).reduce(
(colorMap, [key, color]) => ({
...colorMap,
[key]: useColor ? color : none,
}),
{}
),
})

export const {
reset,
bold,
dim,
italic,
underline,
inverse,
hidden,
strikethrough,
black,
red,
green,
yellow,
blue,
magenta,
cyan,
white,
gray,
bgBlack,
bgRed,
bgGreen,
bgYellow,
bgBlue,
bgMagenta,
bgCyan,
bgWhite,
blackBright,
redBright,
greenBright,
yellowBright,
blueBright,
magentaBright,
cyanBright,
whiteBright,
bgBlackBright,
bgRedBright,
bgGreenBright,
bgYellowBright,
bgBlueBright,
bgMagentaBright,
bgCyanBright,
bgWhiteBright,
} = createColors()