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6655e35 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | 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;
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