@angular-devkit/build-angular/src/utils/color.js

"use strict";
/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.colors = exports.removeColor = void 0;
const ansiColors = __importStar(require("ansi-colors"));
const tty_1 = require("tty");
function supportColor() {
    if (process.env.FORCE_COLOR !== undefined) {
        // 2 colors: FORCE_COLOR = 0 (Disables colors), depth 1
        // 16 colors: FORCE_COLOR = 1, depth 4
        // 256 colors: FORCE_COLOR = 2, depth 8
        // 16,777,216 colors: FORCE_COLOR = 3, depth 16
        // See: https://nodejs.org/dist/latest-v12.x/docs/api/tty.html#tty_writestream_getcolordepth_env
        // and https://github.com/nodejs/node/blob/b9f36062d7b5c5039498e98d2f2c180dca2a7065/lib/internal/tty.js#L106;
        switch (process.env.FORCE_COLOR) {
            case '':
            case 'true':
            case '1':
            case '2':
            case '3':
                return true;
            default:
                return false;
        }
    }
    if (process.stdout instanceof tty_1.WriteStream) {
        return process.stdout.getColorDepth() > 1;
    }
    return false;
}
function removeColor(text) {
    // This has been created because when colors.enabled is false unstyle doesn't work
    // see: https://github.com/doowb/ansi-colors/blob/a4794363369d7b4d1872d248fc43a12761640d8e/index.js#L38
    return text.replace(ansiColors.ansiRegex, '');
}
exports.removeColor = removeColor;
// Create a separate instance to prevent unintended global changes to the color configuration
const colors = ansiColors.create();
exports.colors = colors;
colors.enabled = supportColor();
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