7360a34 fix(@angular/build): use Node.js available parallelism for default worker count

Author: Angular Builds

package.json

@@ -1,16 +1,16 @@
 {
   "name": "@angular-devkit/build-angular",
-  "version": "18.0.4+sha-86e031d",
+  "version": "18.0.4+sha-7360a34",
   "description": "Angular Webpack Build Facade",
   "main": "src/index.js",
   "typings": "src/index.d.ts",
   "builders": "builders.json",
   "dependencies": {
     "@ampproject/remapping": "2.3.0",
-    "@angular/build": "github:angular/angular-build-builds#86e031d",
-    "@angular-devkit/architect": "github:angular/angular-devkit-architect-builds#86e031d",
-    "@angular-devkit/build-webpack": "github:angular/angular-devkit-build-webpack-builds#86e031d",
-    "@angular-devkit/core": "github:angular/angular-devkit-core-builds#86e031d",
+    "@angular/build": "github:angular/angular-build-builds#7360a34",
+    "@angular-devkit/architect": "github:angular/angular-devkit-architect-builds#7360a34",
+    "@angular-devkit/build-webpack": "github:angular/angular-devkit-build-webpack-builds#7360a34",
+    "@angular-devkit/core": "github:angular/angular-devkit-core-builds#7360a34",
     "@babel/core": "7.24.5",
     "@babel/generator": "7.24.5",
     "@babel/helper-annotate-as-pure": "7.22.5",
@@ -21,7 +21,7 @@
     "@babel/preset-env": "7.24.5",
     "@babel/runtime": "7.24.5",
     "@discoveryjs/json-ext": "0.5.7",
-    "@ngtools/webpack": "github:angular/ngtools-webpack-builds#86e031d",
+    "@ngtools/webpack": "github:angular/ngtools-webpack-builds#7360a34",
     "@vitejs/plugin-basic-ssl": "1.1.0",
     "ansi-colors": "4.1.3",
     "autoprefixer": "10.4.19",

src/utils/environment-options.js

@@ -8,6 +8,7 @@
  */
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.useJSONBuildLogs = exports.useTypeChecking = exports.shouldWatchRoot = exports.debugPerformance = exports.useParallelTs = exports.maxWorkers = exports.allowMinify = exports.shouldBeautify = exports.allowMangle = void 0;
+const node_os_1 = require("node:os");
 function isDisabled(variable) {
     return variable === '0' || variable.toLowerCase() === 'false';
 }
@@ -66,7 +67,9 @@ exports.allowMinify = debugOptimize.minify;
  *
  */
 const maxWorkersVariable = process.env['NG_BUILD_MAX_WORKERS'];
-exports.maxWorkers = isPresent(maxWorkersVariable) ? +maxWorkersVariable : 4;
+exports.maxWorkers = isPresent(maxWorkersVariable)
+    ? +maxWorkersVariable
+    : Math.min(4, (0, node_os_1.availableParallelism)());
 const parallelTsVariable = process.env['NG_BUILD_PARALLEL_TS'];
 exports.useParallelTs = !isPresent(parallelTsVariable) || !isDisabled(parallelTsVariable);
 const debugPerfVariable = process.env['NG_BUILD_DEBUG_PERF'];

src/utils/normalize-cache.js

@@ -10,7 +10,7 @@ Object.defineProperty(exports, "__esModule", { value: true });
 exports.normalizeCacheOptions = void 0;
 const node_path_1 = require("node:path");
 /** Version placeholder is replaced during the build process with actual package version */
-const VERSION = '18.0.4+sha-86e031d';
+const VERSION = '18.0.4+sha-7360a34';
 function hasCacheMetadata(value) {
     return (!!value &&
         typeof value === 'object' &&

uniqueId

@@ -1 +1 @@
-Tue Jun 18 2024 14:18:34 GMT+0000 (Coordinated Universal Time)
+Tue Jun 18 2024 14:28:34 GMT+0000 (Coordinated Universal Time)