151 lines
3.3 KiB
JavaScript
151 lines
3.3 KiB
JavaScript
import * as tty from "tty"
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const {
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env = {},
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argv = [],
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platform = "",
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} = typeof process === "undefined" ? {} : process
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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 = platform === "win32"
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const isDumbTerminal = env.TERM === "dumb"
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const isCompatibleTerminal =
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tty && tty.isatty && tty.isatty(1) && env.TERM && !isDumbTerminal
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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 &&
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(isForced || (isWindows && !isDumbTerminal) || 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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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]: String }),
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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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