You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
228 lines
6.3 KiB
228 lines
6.3 KiB
'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
|