let tty = require("tty")
|
|
let isColorSupported =
|
!("NO_COLOR" in process.env || process.argv.includes("--no-color")) &&
|
("FORCE_COLOR" in process.env ||
|
process.argv.includes("--color") ||
|
process.platform === "win32" ||
|
(tty.isatty(1) && process.env.TERM !== "dumb") ||
|
"CI" in process.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 start = string.substring(0, index) + replace
|
let end = string.substring(index + close.length)
|
let nextIndex = end.indexOf(close)
|
return ~nextIndex ? start + replaceClose(end, close, replace, nextIndex) : start + end
|
}
|
|
let createColors = (enabled = isColorSupported) => ({
|
isColorSupported: enabled,
|
reset: enabled ? s => `\x1b[0m${s}\x1b[0m` : String,
|
bold: enabled ? formatter("\x1b[1m", "\x1b[22m", "\x1b[22m\x1b[1m") : String,
|
dim: enabled ? formatter("\x1b[2m", "\x1b[22m", "\x1b[22m\x1b[2m") : String,
|
italic: enabled ? formatter("\x1b[3m", "\x1b[23m") : String,
|
underline: enabled ? formatter("\x1b[4m", "\x1b[24m") : String,
|
inverse: enabled ? formatter("\x1b[7m", "\x1b[27m") : String,
|
hidden: enabled ? formatter("\x1b[8m", "\x1b[28m") : String,
|
strikethrough: enabled ? formatter("\x1b[9m", "\x1b[29m") : String,
|
black: enabled ? formatter("\x1b[30m", "\x1b[39m") : String,
|
red: enabled ? formatter("\x1b[31m", "\x1b[39m") : String,
|
green: enabled ? formatter("\x1b[32m", "\x1b[39m") : String,
|
yellow: enabled ? formatter("\x1b[33m", "\x1b[39m") : String,
|
blue: enabled ? formatter("\x1b[34m", "\x1b[39m") : String,
|
magenta: enabled ? formatter("\x1b[35m", "\x1b[39m") : String,
|
cyan: enabled ? formatter("\x1b[36m", "\x1b[39m") : String,
|
white: enabled ? formatter("\x1b[37m", "\x1b[39m") : String,
|
gray: enabled ? formatter("\x1b[90m", "\x1b[39m") : String,
|
bgBlack: enabled ? formatter("\x1b[40m", "\x1b[49m") : String,
|
bgRed: enabled ? formatter("\x1b[41m", "\x1b[49m") : String,
|
bgGreen: enabled ? formatter("\x1b[42m", "\x1b[49m") : String,
|
bgYellow: enabled ? formatter("\x1b[43m", "\x1b[49m") : String,
|
bgBlue: enabled ? formatter("\x1b[44m", "\x1b[49m") : String,
|
bgMagenta: enabled ? formatter("\x1b[45m", "\x1b[49m") : String,
|
bgCyan: enabled ? formatter("\x1b[46m", "\x1b[49m") : String,
|
bgWhite: enabled ? formatter("\x1b[47m", "\x1b[49m") : String,
|
})
|
|
module.exports = createColors()
|
module.exports.createColors = createColors
|
