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147 lines
3.2 KiB
147 lines
3.2 KiB
import * as tty from "tty" |
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const env = process.env || {} |
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const argv = process.argv || [] |
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const isDisabled = "NO_COLOR" in env || argv.includes("--no-color") |
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const isForced = "FORCE_COLOR" in env || argv.includes("--color") |
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const isWindows = process.platform === "win32" |
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const isCompatibleTerminal = |
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tty && tty.isatty && tty.isatty(1) && env.TERM && env.TERM !== "dumb" |
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const isCI = |
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"CI" in env && |
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("GITHUB_ACTIONS" in env || "GITLAB_CI" in env || "CIRCLECI" in env) |
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export const isColorSupported = |
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!isDisabled && (isForced || isWindows || isCompatibleTerminal || isCI) |
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const replaceClose = ( |
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index, |
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string, |
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close, |
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replace, |
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head = string.substring(0, index) + replace, |
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tail = string.substring(index + close.length), |
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next = tail.indexOf(close) |
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) => head + (next < 0 ? tail : replaceClose(next, tail, close, replace)) |
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const clearBleed = (index, string, open, close, replace) => |
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index < 0 |
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? open + string + close |
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: open + replaceClose(index, string, close, replace) + close |
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const filterEmpty = |
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(open, close, replace = open, at = open.length + 1) => |
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(string) => |
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string || !(string === "" || string === undefined) |
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? clearBleed( |
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("" + string).indexOf(close, at), |
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string, |
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open, |
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close, |
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replace |
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) |
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: "" |
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const init = (open, close, replace) => |
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filterEmpty(`\x1b[${open}m`, `\x1b[${close}m`, replace) |
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const colors = { |
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reset: init(0, 0), |
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bold: init(1, 22, "\x1b[22m\x1b[1m"), |
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dim: init(2, 22, "\x1b[22m\x1b[2m"), |
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italic: init(3, 23), |
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underline: init(4, 24), |
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inverse: init(7, 27), |
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hidden: init(8, 28), |
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strikethrough: init(9, 29), |
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black: init(30, 39), |
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red: init(31, 39), |
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green: init(32, 39), |
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yellow: init(33, 39), |
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blue: init(34, 39), |
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magenta: init(35, 39), |
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cyan: init(36, 39), |
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white: init(37, 39), |
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gray: init(90, 39), |
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bgBlack: init(40, 49), |
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bgRed: init(41, 49), |
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bgGreen: init(42, 49), |
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bgYellow: init(43, 49), |
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bgBlue: init(44, 49), |
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bgMagenta: init(45, 49), |
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bgCyan: init(46, 49), |
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bgWhite: init(47, 49), |
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blackBright: init(90, 39), |
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redBright: init(91, 39), |
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greenBright: init(92, 39), |
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yellowBright: init(93, 39), |
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blueBright: init(94, 39), |
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magentaBright: init(95, 39), |
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cyanBright: init(96, 39), |
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whiteBright: init(97, 39), |
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bgBlackBright: init(100, 49), |
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bgRedBright: init(101, 49), |
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bgGreenBright: init(102, 49), |
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bgYellowBright: init(103, 49), |
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bgBlueBright: init(104, 49), |
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bgMagentaBright: init(105, 49), |
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bgCyanBright: init(106, 49), |
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bgWhiteBright: init(107, 49), |
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} |
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const none = (any) => any |
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export const createColors = ({ useColor = isColorSupported } = {}) => |
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useColor |
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? colors |
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: Object.keys(colors).reduce( |
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(colors, key) => ({ ...colors, [key]: none }), |
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{} |
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) |
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export const { |
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reset, |
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bold, |
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dim, |
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italic, |
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underline, |
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inverse, |
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hidden, |
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strikethrough, |
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black, |
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red, |
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green, |
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yellow, |
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blue, |
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magenta, |
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cyan, |
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white, |
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gray, |
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bgBlack, |
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bgRed, |
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bgGreen, |
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bgYellow, |
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bgBlue, |
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bgMagenta, |
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bgCyan, |
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bgWhite, |
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blackBright, |
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redBright, |
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greenBright, |
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yellowBright, |
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blueBright, |
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magentaBright, |
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cyanBright, |
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whiteBright, |
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bgBlackBright, |
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bgRedBright, |
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bgGreenBright, |
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bgYellowBright, |
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bgBlueBright, |
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bgMagentaBright, |
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bgCyanBright, |
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bgWhiteBright, |
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} = createColors()
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