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| import ansiStyles from '#ansi-styles'; | |
| import supportsColor from '#supports-color'; | |
| import { // eslint-disable-line import/order | |
| stringReplaceAll, | |
| stringEncaseCRLFWithFirstIndex, | |
| } from './utilities.js'; | |
| const {stdout: stdoutColor, stderr: stderrColor} = supportsColor; | |
| const GENERATOR = Symbol('GENERATOR'); | |
| const STYLER = Symbol('STYLER'); | |
| const IS_EMPTY = Symbol('IS_EMPTY'); | |
| // `supportsColor.level` → `ansiStyles.color[name]` mapping | |
| const levelMapping = [ | |
| 'ansi', | |
| 'ansi', | |
| 'ansi256', | |
| 'ansi16m', | |
| ]; | |
| const styles = Object.create(null); | |
| const applyOptions = (object, options = {}) => { | |
| if (options.level && !(Number.isInteger(options.level) && options.level >= 0 && options.level <= 3)) { | |
| throw new Error('The `level` option should be an integer from 0 to 3'); | |
| } | |
| // Detect level if not set manually | |
| const colorLevel = stdoutColor ? stdoutColor.level : 0; | |
| object.level = options.level === undefined ? colorLevel : options.level; | |
| }; | |
| export class Chalk { | |
| constructor(options) { | |
| // eslint-disable-next-line no-constructor-return | |
| return chalkFactory(options); | |
| } | |
| } | |
| const chalkFactory = options => { | |
| const chalk = (...strings) => strings.join(' '); | |
| applyOptions(chalk, options); | |
| Object.setPrototypeOf(chalk, createChalk.prototype); | |
| return chalk; | |
| }; | |
| function createChalk(options) { | |
| return chalkFactory(options); | |
| } | |
| Object.setPrototypeOf(createChalk.prototype, Function.prototype); | |
| for (const [styleName, style] of Object.entries(ansiStyles)) { | |
| styles[styleName] = { | |
| get() { | |
| const builder = createBuilder(this, createStyler(style.open, style.close, this[STYLER]), this[IS_EMPTY]); | |
| Object.defineProperty(this, styleName, {value: builder}); | |
| return builder; | |
| }, | |
| }; | |
| } | |
| styles.visible = { | |
| get() { | |
| const builder = createBuilder(this, this[STYLER], true); | |
| Object.defineProperty(this, 'visible', {value: builder}); | |
| return builder; | |
| }, | |
| }; | |
| const getModelAnsi = (model, level, type, ...arguments_) => { | |
| if (model === 'rgb') { | |
| if (level === 'ansi16m') { | |
| return ansiStyles[type].ansi16m(...arguments_); | |
| } | |
| if (level === 'ansi256') { | |
| return ansiStyles[type].ansi256(ansiStyles.rgbToAnsi256(...arguments_)); | |
| } | |
| return ansiStyles[type].ansi(ansiStyles.rgbToAnsi(...arguments_)); | |
| } | |
| if (model === 'hex') { | |
| return getModelAnsi('rgb', level, type, ...ansiStyles.hexToRgb(...arguments_)); | |
| } | |
| return ansiStyles[type][model](...arguments_); | |
| }; | |
| const usedModels = ['rgb', 'hex', 'ansi256']; | |
| for (const model of usedModels) { | |
| styles[model] = { | |
| get() { | |
| const {level} = this; | |
| return function (...arguments_) { | |
| const styler = createStyler(getModelAnsi(model, levelMapping[level], 'color', ...arguments_), ansiStyles.color.close, this[STYLER]); | |
| return createBuilder(this, styler, this[IS_EMPTY]); | |
| }; | |
| }, | |
| }; | |
| const bgModel = 'bg' + model[0].toUpperCase() + model.slice(1); | |
| styles[bgModel] = { | |
| get() { | |
| const {level} = this; | |
| return function (...arguments_) { | |
| const styler = createStyler(getModelAnsi(model, levelMapping[level], 'bgColor', ...arguments_), ansiStyles.bgColor.close, this[STYLER]); | |
| return createBuilder(this, styler, this[IS_EMPTY]); | |
| }; | |
| }, | |
| }; | |
| } | |
| const proto = Object.defineProperties(() => {}, { | |
| ...styles, | |
| level: { | |
| enumerable: true, | |
| get() { | |
| return this[GENERATOR].level; | |
| }, | |
| set(level) { | |
| this[GENERATOR].level = level; | |
| }, | |
| }, | |
| }); | |
| const createStyler = (open, close, parent) => { | |
| let openAll; | |
| let closeAll; | |
| if (parent === undefined) { | |
| openAll = open; | |
| closeAll = close; | |
| } else { | |
| openAll = parent.openAll + open; | |
| closeAll = close + parent.closeAll; | |
| } | |
| return { | |
| open, | |
| close, | |
| openAll, | |
| closeAll, | |
| parent, | |
| }; | |
| }; | |
| const createBuilder = (self, _styler, _isEmpty) => { | |
| // Single argument is hot path, implicit coercion is faster than anything | |
| // eslint-disable-next-line no-implicit-coercion | |
| const builder = (...arguments_) => applyStyle(builder, (arguments_.length === 1) ? ('' + arguments_[0]) : arguments_.join(' ')); | |
| // We alter the prototype because we must return a function, but there is | |
| // no way to create a function with a different prototype | |
| Object.setPrototypeOf(builder, proto); | |
| builder[GENERATOR] = self; | |
| builder[STYLER] = _styler; | |
| builder[IS_EMPTY] = _isEmpty; | |
| return builder; | |
| }; | |
| const applyStyle = (self, string) => { | |
| if (self.level <= 0 || !string) { | |
| return self[IS_EMPTY] ? '' : string; | |
| } | |
| let styler = self[STYLER]; | |
| if (styler === undefined) { | |
| return string; | |
| } | |
| const {openAll, closeAll} = styler; | |
| if (string.includes('\u001B')) { | |
| while (styler !== undefined) { | |
| // 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'. | |
| string = stringReplaceAll(string, styler.close, styler.open); | |
| styler = styler.parent; | |
| } | |
| } | |
| // We can move both next actions out of loop, because remaining actions in loop won't have | |
| // any/visible effect on parts we add here. 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 | |
| const lfIndex = string.indexOf('\n'); | |
| if (lfIndex !== -1) { | |
| string = stringEncaseCRLFWithFirstIndex(string, closeAll, openAll, lfIndex); | |
| } | |
| return openAll + string + closeAll; | |
| }; | |
| Object.defineProperties(createChalk.prototype, styles); | |
| const chalk = createChalk(); | |
| export const chalkStderr = createChalk({level: stderrColor ? stderrColor.level : 0}); | |
| export { | |
| modifierNames, | |
| foregroundColorNames, | |
| backgroundColorNames, | |
| colorNames, | |
| // TODO: Remove these aliases in the next major version | |
| modifierNames as modifiers, | |
| foregroundColorNames as foregroundColors, | |
| backgroundColorNames as backgroundColors, | |
| colorNames as colors, | |
| } from './vendor/ansi-styles/index.js'; | |
| export { | |
| stdoutColor as supportsColor, | |
| stderrColor as supportsColorStderr, | |
| }; | |
| export default chalk; | |