diff options
Diffstat (limited to 'tools/node_modules/eslint/node_modules/babel-code-frame/node_modules/chalk/index.js')
-rw-r--r-- | tools/node_modules/eslint/node_modules/babel-code-frame/node_modules/chalk/index.js | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/babel-code-frame/node_modules/chalk/index.js b/tools/node_modules/eslint/node_modules/babel-code-frame/node_modules/chalk/index.js new file mode 100644 index 0000000000..2d85a91747 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/babel-code-frame/node_modules/chalk/index.js @@ -0,0 +1,116 @@ +'use strict'; +var escapeStringRegexp = require('escape-string-regexp'); +var ansiStyles = require('ansi-styles'); +var stripAnsi = require('strip-ansi'); +var hasAnsi = require('has-ansi'); +var supportsColor = require('supports-color'); +var defineProps = Object.defineProperties; +var isSimpleWindowsTerm = process.platform === 'win32' && !/^xterm/i.test(process.env.TERM); + +function Chalk(options) { + // detect mode if not set manually + this.enabled = !options || options.enabled === undefined ? supportsColor : options.enabled; +} + +// use bright blue on Windows as the normal blue color is illegible +if (isSimpleWindowsTerm) { + ansiStyles.blue.open = '\u001b[94m'; +} + +var styles = (function () { + var ret = {}; + + Object.keys(ansiStyles).forEach(function (key) { + ansiStyles[key].closeRe = new RegExp(escapeStringRegexp(ansiStyles[key].close), 'g'); + + ret[key] = { + get: function () { + return build.call(this, this._styles.concat(key)); + } + }; + }); + + return ret; +})(); + +var proto = defineProps(function chalk() {}, styles); + +function build(_styles) { + var builder = function () { + return applyStyle.apply(builder, arguments); + }; + + builder._styles = _styles; + builder.enabled = this.enabled; + // __proto__ is used because we must return a function, but there is + // no way to create a function with a different prototype. + /* eslint-disable no-proto */ + builder.__proto__ = proto; + + return builder; +} + +function applyStyle() { + // support varags, but simply cast to string in case there's only one arg + var args = arguments; + var argsLen = args.length; + var str = argsLen !== 0 && String(arguments[0]); + + if (argsLen > 1) { + // don't slice `arguments`, it prevents v8 optimizations + for (var a = 1; a < argsLen; a++) { + str += ' ' + args[a]; + } + } + + if (!this.enabled || !str) { + return str; + } + + var nestedStyles = this._styles; + var i = nestedStyles.length; + + // Turns out that on Windows dimmed gray text becomes invisible in cmd.exe, + // see https://github.com/chalk/chalk/issues/58 + // If we're on Windows and we're dealing with a gray color, temporarily make 'dim' a noop. + var originalDim = ansiStyles.dim.open; + if (isSimpleWindowsTerm && (nestedStyles.indexOf('gray') !== -1 || nestedStyles.indexOf('grey') !== -1)) { + ansiStyles.dim.open = ''; + } + + while (i--) { + var code = ansiStyles[nestedStyles[i]]; + + // Replace any instances already present with a re-opening code + // otherwise only the part of the string until said closing code + // will be colored, and the rest will simply be 'plain'. + str = code.open + str.replace(code.closeRe, code.open) + code.close; + } + + // Reset the original 'dim' if we changed it to work around the Windows dimmed gray issue. + ansiStyles.dim.open = originalDim; + + return str; +} + +function init() { + var ret = {}; + + Object.keys(styles).forEach(function (name) { + ret[name] = { + get: function () { + return build.call(this, [name]); + } + }; + }); + + return ret; +} + +defineProps(Chalk.prototype, init()); + +module.exports = new Chalk(); +module.exports.styles = ansiStyles; +module.exports.hasColor = hasAnsi; +module.exports.stripColor = stripAnsi; +module.exports.supportsColor = supportsColor; |