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- let argv = process.argv || [],
- env = process.env
- let isColorSupported =
- !("NO_COLOR" in env || argv.includes("--no-color")) &&
- ("FORCE_COLOR" in env ||
- argv.includes("--color") ||
- process.platform === "win32" ||
- (require != null && require("tty").isatty(1) && env.TERM !== "dumb") ||
- "CI" in env)
- let formatter =
- (open, close, replace = open) =>
- input => {
- let string = "" + input
- let index = string.indexOf(close, open.length)
- return ~index
- ? open + replaceClose(string, close, replace, index) + close
- : open + string + close
- }
- let replaceClose = (string, close, replace, index) => {
- let result = ""
- let cursor = 0
- do {
- result += string.substring(cursor, index) + replace
- cursor = index + close.length
- index = string.indexOf(close, cursor)
- } while (~index)
- return result + string.substring(cursor)
- }
- let createColors = (enabled = isColorSupported) => {
- let init = enabled ? formatter : () => String
- return {
- isColorSupported: enabled,
- reset: init("\x1b[0m", "\x1b[0m"),
- bold: init("\x1b[1m", "\x1b[22m", "\x1b[22m\x1b[1m"),
- dim: init("\x1b[2m", "\x1b[22m", "\x1b[22m\x1b[2m"),
- italic: init("\x1b[3m", "\x1b[23m"),
- underline: init("\x1b[4m", "\x1b[24m"),
- inverse: init("\x1b[7m", "\x1b[27m"),
- hidden: init("\x1b[8m", "\x1b[28m"),
- strikethrough: init("\x1b[9m", "\x1b[29m"),
- black: init("\x1b[30m", "\x1b[39m"),
- red: init("\x1b[31m", "\x1b[39m"),
- green: init("\x1b[32m", "\x1b[39m"),
- yellow: init("\x1b[33m", "\x1b[39m"),
- blue: init("\x1b[34m", "\x1b[39m"),
- magenta: init("\x1b[35m", "\x1b[39m"),
- cyan: init("\x1b[36m", "\x1b[39m"),
- white: init("\x1b[37m", "\x1b[39m"),
- gray: init("\x1b[90m", "\x1b[39m"),
- bgBlack: init("\x1b[40m", "\x1b[49m"),
- bgRed: init("\x1b[41m", "\x1b[49m"),
- bgGreen: init("\x1b[42m", "\x1b[49m"),
- bgYellow: init("\x1b[43m", "\x1b[49m"),
- bgBlue: init("\x1b[44m", "\x1b[49m"),
- bgMagenta: init("\x1b[45m", "\x1b[49m"),
- bgCyan: init("\x1b[46m", "\x1b[49m"),
- bgWhite: init("\x1b[47m", "\x1b[49m"),
- blackBright: init("\x1b[90m", "\x1b[39m"),
- redBright: init("\x1b[91m", "\x1b[39m"),
- greenBright: init("\x1b[92m", "\x1b[39m"),
- yellowBright: init("\x1b[93m", "\x1b[39m"),
- blueBright: init("\x1b[94m", "\x1b[39m"),
- magentaBright: init("\x1b[95m", "\x1b[39m"),
- cyanBright: init("\x1b[96m", "\x1b[39m"),
- whiteBright: init("\x1b[97m", "\x1b[39m"),
- bgBlackBright: init("\x1b[100m","\x1b[49m"),
- bgRedBright: init("\x1b[101m","\x1b[49m"),
- bgGreenBright: init("\x1b[102m","\x1b[49m"),
- bgYellowBright: init("\x1b[103m","\x1b[49m"),
- bgBlueBright: init("\x1b[104m","\x1b[49m"),
- bgMagentaBright: init("\x1b[105m","\x1b[49m"),
- bgCyanBright: init("\x1b[106m","\x1b[49m"),
- bgWhiteBright: init("\x1b[107m","\x1b[49m"),
- }
- }
- module.exports = createColors()
- module.exports.createColors = createColors
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