AlkantarClanX12
Current Path : /opt/alt/alt-nodejs11/root/lib/node_modules/npm/node_modules.bundled/chalk/ |
Current File : //opt/alt/alt-nodejs11/root/lib/node_modules/npm/node_modules.bundled/chalk/index.js |
'use strict'; const escapeStringRegexp = require('escape-string-regexp'); const ansiStyles = require('ansi-styles'); const stdoutColor = require('supports-color').stdout; const template = require('./templates.js'); const isSimpleWindowsTerm = process.platform === 'win32' && !(process.env.TERM || '').toLowerCase().startsWith('xterm'); // `supportsColor.level` → `ansiStyles.color[name]` mapping const levelMapping = ['ansi', 'ansi', 'ansi256', 'ansi16m']; // `color-convert` models to exclude from the Chalk API due to conflicts and such const skipModels = new Set(['gray']); const styles = Object.create(null); function applyOptions(obj, options) { options = options || {}; // Detect level if not set manually const scLevel = stdoutColor ? stdoutColor.level : 0; obj.level = options.level === undefined ? scLevel : options.level; obj.enabled = 'enabled' in options ? options.enabled : obj.level > 0; } function Chalk(options) { // We check for this.template here since calling `chalk.constructor()` // by itself will have a `this` of a previously constructed chalk object if (!this || !(this instanceof Chalk) || this.template) { const chalk = {}; applyOptions(chalk, options); chalk.template = function () { const args = [].slice.call(arguments); return chalkTag.apply(null, [chalk.template].concat(args)); }; Object.setPrototypeOf(chalk, Chalk.prototype); Object.setPrototypeOf(chalk.template, chalk); chalk.template.constructor = Chalk; return chalk.template; } applyOptions(this, options); } // Use bright blue on Windows as the normal blue color is illegible if (isSimpleWindowsTerm) { ansiStyles.blue.open = '\u001B[94m'; } for (const key of Object.keys(ansiStyles)) { ansiStyles[key].closeRe = new RegExp(escapeStringRegexp(ansiStyles[key].close), 'g'); styles[key] = { get() { const codes = ansiStyles[key]; return build.call(this, this._styles ? this._styles.concat(codes) : [codes], this._empty, key); } }; } styles.visible = { get() { return build.call(this, this._styles || [], true, 'visible'); } }; ansiStyles.color.closeRe = new RegExp(escapeStringRegexp(ansiStyles.color.close), 'g'); for (const model of Object.keys(ansiStyles.color.ansi)) { if (skipModels.has(model)) { continue; } styles[model] = { get() { const level = this.level; return function () { const open = ansiStyles.color[levelMapping[level]][model].apply(null, arguments); const codes = { open, close: ansiStyles.color.close, closeRe: ansiStyles.color.closeRe }; return build.call(this, this._styles ? this._styles.concat(codes) : [codes], this._empty, model); }; } }; } ansiStyles.bgColor.closeRe = new RegExp(escapeStringRegexp(ansiStyles.bgColor.close), 'g'); for (const model of Object.keys(ansiStyles.bgColor.ansi)) { if (skipModels.has(model)) { continue; } const bgModel = 'bg' + model[0].toUpperCase() + model.slice(1); styles[bgModel] = { get() { const level = this.level; return function () { const open = ansiStyles.bgColor[levelMapping[level]][model].apply(null, arguments); const codes = { open, close: ansiStyles.bgColor.close, closeRe: ansiStyles.bgColor.closeRe }; return build.call(this, this._styles ? this._styles.concat(codes) : [codes], this._empty, model); }; } }; } const proto = Object.defineProperties(() => {}, styles); function build(_styles, _empty, key) { const builder = function () { return applyStyle.apply(builder, arguments); }; builder._styles = _styles; builder._empty = _empty; const self = this; Object.defineProperty(builder, 'level', { enumerable: true, get() { return self.level; }, set(level) { self.level = level; } }); Object.defineProperty(builder, 'enabled', { enumerable: true, get() { return self.enabled; }, set(enabled) { self.enabled = enabled; } }); // See below for fix regarding invisible grey/dim combination on Windows builder.hasGrey = this.hasGrey || key === 'gray' || key === 'grey'; // `__proto__` is used because we must return a function, but there is // no way to create a function with a different prototype builder.__proto__ = proto; // eslint-disable-line no-proto return builder; } function applyStyle() { // Support varags, but simply cast to string in case there's only one arg const args = arguments; const argsLen = args.length; let str = String(arguments[0]); if (argsLen === 0) { return ''; } if (argsLen > 1) { // Don't slice `arguments`, it prevents V8 optimizations for (let a = 1; a < argsLen; a++) { str += ' ' + args[a]; } } if (!this.enabled || this.level <= 0 || !str) { return this._empty ? '' : str; } // 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. const originalDim = ansiStyles.dim.open; if (isSimpleWindowsTerm && this.hasGrey) { ansiStyles.dim.open = ''; } for (const code of this._styles.slice().reverse()) { // 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; // Close the styling before a linebreak and reopen // after next line to fix a bleed issue on macOS // https://github.com/chalk/chalk/pull/92 str = str.replace(/\r?\n/g, `${code.close}$&${code.open}`); } // Reset the original `dim` if we changed it to work around the Windows dimmed gray issue ansiStyles.dim.open = originalDim; return str; } function chalkTag(chalk, strings) { if (!Array.isArray(strings)) { // If chalk() was called by itself or with a string, // return the string itself as a string. return [].slice.call(arguments, 1).join(' '); } const args = [].slice.call(arguments, 2); const parts = [strings.raw[0]]; for (let i = 1; i < strings.length; i++) { parts.push(String(args[i - 1]).replace(/[{}\\]/g, '\\$&')); parts.push(String(strings.raw[i])); } return template(chalk, parts.join('')); } Object.defineProperties(Chalk.prototype, styles); module.exports = Chalk(); // eslint-disable-line new-cap module.exports.supportsColor = stdoutColor; module.exports.default = module.exports; // For TypeScript