@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
82 lines • 9.94 kB
JavaScript
;
/**
* @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
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.debugPerformance = exports.useLegacySass = exports.maxWorkers = exports.allowMinify = exports.shouldBeautify = exports.allowMangle = void 0;
const color_1 = require("./color");
function isDisabled(variable) {
return variable === '0' || variable.toLowerCase() === 'false';
}
function isEnabled(variable) {
return variable === '1' || variable.toLowerCase() === 'true';
}
function isPresent(variable) {
return typeof variable === 'string' && variable !== '';
}
// Optimization and mangling
const debugOptimizeVariable = process.env['NG_BUILD_DEBUG_OPTIMIZE'];
const debugOptimize = (() => {
if (!isPresent(debugOptimizeVariable) || isDisabled(debugOptimizeVariable)) {
return {
mangle: true,
minify: true,
beautify: false,
};
}
const debugValue = {
mangle: false,
minify: false,
beautify: true,
};
if (isEnabled(debugOptimizeVariable)) {
return debugValue;
}
for (const part of debugOptimizeVariable.split(',')) {
switch (part.trim().toLowerCase()) {
case 'mangle':
debugValue.mangle = true;
break;
case 'minify':
debugValue.minify = true;
break;
case 'beautify':
debugValue.beautify = true;
break;
}
}
return debugValue;
})();
const mangleVariable = process.env['NG_BUILD_MANGLE'];
exports.allowMangle = isPresent(mangleVariable)
? !isDisabled(mangleVariable)
: debugOptimize.mangle;
exports.shouldBeautify = debugOptimize.beautify;
exports.allowMinify = debugOptimize.minify;
/**
* Some environments, like CircleCI which use Docker report a number of CPUs by the host and not the count of available.
* This cause `Error: Call retries were exceeded` errors when trying to use them.
*
* @see https://github.com/nodejs/node/issues/28762
* @see https://github.com/webpack-contrib/terser-webpack-plugin/issues/143
* @see https://ithub.com/angular/angular-cli/issues/16860#issuecomment-588828079
*
*/
const maxWorkersVariable = process.env['NG_BUILD_MAX_WORKERS'];
exports.maxWorkers = isPresent(maxWorkersVariable) ? +maxWorkersVariable : 4;
const legacySassVariable = process.env['NG_BUILD_LEGACY_SASS'];
exports.useLegacySass = (() => {
if (!isPresent(legacySassVariable)) {
return false;
}
// eslint-disable-next-line no-console
console.warn(color_1.colors.yellow(`Warning: 'NG_BUILD_LEGACY_SASS' environment variable support will be removed in version 16.`));
return isEnabled(legacySassVariable);
})();
const debugPerfVariable = process.env['NG_BUILD_DEBUG_PERF'];
exports.debugPerformance = isPresent(debugPerfVariable) && isEnabled(debugPerfVariable);
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07XG5leHBvcnQgY29uc3QgYWxsb3dNYW5nbGUgPSBpc1ByZXNlbnQobWFuZ2xlVmFyaWFibGUpXG4gID8gIWlzRGlzYWJsZWQobWFuZ2xlVmFyaWFibGUpXG4gIDogZGVidWdPcHRpbWl6ZS5tYW5nbGU7XG5cbmV4cG9ydCBjb25zdCBzaG91bGRCZWF1dGlmeSA9IGRlYnVnT3B0aW1pemUuYmVhdXRpZnk7XG5leHBvcnQgY29uc3QgYWxsb3dNaW5pZnkgPSBkZWJ1Z09wdGltaXplLm1pbmlmeTtcblxuLyoqXG4gKiBTb21lIGVudmlyb25tZW50cywgbGlrZSBDaXJjbGVDSSB3aGljaCB1c2UgRG9ja2VyIHJlcG9ydCBhIG51bWJlciBvZiBDUFVzIGJ5IHRoZSBob3N0IGFuZCBub3QgdGhlIGNvdW50IG9mIGF2YWlsYWJsZS5cbiAqIFRoaXMgY2F1c2UgYEVycm9yOiBDYWxsIHJldHJpZXMgd2VyZSBleGNlZWRlZGAgZXJyb3JzIHdoZW4gdHJ5aW5nIHRvIHVzZSB0aGVtLlxuICpcbiAqIEBzZWUgaHR0cHM6Ly9naXRodWIuY29tL25vZGVqcy9ub2RlL2lzc3Vlcy8yODc2MlxuICogQHNlZSBodHRwczovL2dpdGh1Yi5jb20vd2VicGFjay1jb250cmliL3RlcnNlci13ZWJwYWNrLXBsdWdpbi9pc3N1ZXMvMTQzXG4gKiBAc2VlIGh0dHBzOi8vaXRodWIuY29tL2FuZ3VsYXIvYW5ndWxhci1jbGkvaXNzdWVzLzE2ODYwI2lzc3VlY29tbWVudC01ODg4MjgwNzlcbiAqXG4gKi9cbmNvbnN0IG1heFdvcmtlcnNWYXJpYWJsZSA9IHByb2Nlc3MuZW52WydOR19CVUlMRF9NQVhfV09SS0VSUyddO1xuZXhwb3J0IGNvbnN0IG1heFdvcmtlcnMgPSBpc1ByZXNlbnQobWF4V29ya2Vyc1ZhcmlhYmxlKSA/ICttYXhXb3JrZXJzVmFyaWFibGUgOiA0O1xuXG5jb25zdCBsZWdhY3lTYXNzVmFyaWFibGUgPSBwcm9jZXNzLmVudlsnTkdfQlVJTERfTEVHQUNZX1NBU1MnXTtcbmV4cG9ydCBjb25zdCB1c2VMZWdhY3lTYXNzOiBib29sZWFuID0gKCgpID0+IHtcbiAgaWYgKCFpc1ByZXNlbnQobGVnYWN5U2Fzc1ZhcmlhYmxlKSkge1xuICAgIHJldHVybiBmYWxzZTtcbiAgfVxuXG4gIC8vIGVzbGludC1kaXNhYmxlLW5leHQtbGluZSBuby1jb25zb2xlXG4gIGNvbnNvbGUud2FybihcbiAgICBjb2xvcnMueWVsbG93KFxuICAgICAgYFdhcm5pbmc6ICdOR19CVUlMRF9MRUdBQ1lfU0FTUycgZW52aXJvbm1lbnQgdmFyaWFibGUgc3VwcG9ydCB3aWxsIGJlIHJlbW92ZWQgaW4gdmVyc2lvbiAxNi5gLFxuICAgICksXG4gICk7XG5cbiAgcmV0dXJuIGlzRW5hYmxlZChsZWdhY3lTYXNzVmFyaWFibGUpO1xufSkoKTtcblxuY29uc3QgZGVidWdQZXJmVmFyaWFibGUgPSBwcm9jZXNzLmVudlsnTkdfQlVJTERfREVCVUdfUEVSRiddO1xuZXhwb3J0IGNvbnN0IGRlYnVnUGVyZm9ybWFuY2UgPSBpc1ByZXNlbnQoZGVidWdQZXJmVmFyaWFibGUpICYmIGlzRW5hYmxlZChkZWJ1Z1BlcmZWYXJpYWJsZSk7XG4iXX0=