feat: add support for node-gyp --jobs option to parallelize an indivi…

README.md

@@ -72,6 +72,7 @@ Options:
                                Default is "prod,optional"
   -p, --parallel               Rebuild in parallel, this is enabled by default
                                on macOS and Linux
+  -j, --jobs                   Run make in parallel. The value max will use all available CPU cores. Defaults to 1.
   -s, --sequential             Rebuild modules sequentially, this is enabled by
                                default on Windows
   -o, --only                   Only build specified module, or comma separated

src/cli.ts

@@ -26,6 +26,7 @@ const argv = yargs(process.argv.slice(2)).version(false).options({
   types: { alias: 't', type: 'string', description: 'The types of dependencies to rebuild.  Comma separated list of "prod", "dev" and "optional".  Default is "prod,optional"' },
   parallel: { alias: 'p', type: 'boolean', description: 'Rebuild in parallel, this is enabled by default on macOS and Linux' },
   sequential: { alias: 's', type: 'boolean', description: 'Rebuild modules sequentially, this is enabled by default on Windows' },
+  jobs: {alias: 'j', type: 'string', description: 'Run make in parallel. The value max will use all available CPU cores. Defaults to 1.'},
   debug: { alias: 'b', type: 'boolean', description: 'Build debug version of modules' },
   'prebuild-tag-prefix': { type: 'string', description: 'GitHub tag prefix passed to prebuild-install. Default is "v"' },
   'force-abi': { type: 'number', description: 'Override the ABI version for the version of Electron you are targeting.  Only use when targeting Nightly releases.' },
@@ -122,6 +123,7 @@ process.on('unhandledRejection', handler);
     headerURL: argv.d as string,
     types: argv.t ? (argv.t as string).split(',') as ModuleType[] : ['prod', 'optional'],
     mode: argv.p ? 'parallel' : (argv.s ? 'sequential' : undefined),
+    jobs: argv.jobs as string,
     debug: argv.debug,
     prebuildTagPrefix: (argv.prebuildTagPrefix as string) || 'v',
     forceABI: argv.forceAbi as number,

src/module-type/node-gyp/node-gyp.ts

@@ -21,7 +21,8 @@ export class NodeGyp extends NativeModule {
       `--target=${this.rebuilder.electronVersion}`,
       `--arch=${this.rebuilder.arch}`,
       `--dist-url=${this.rebuilder.headerURL}`,
-      '--build-from-source'
+      '--build-from-source',
+      `--jobs=${this.rebuilder.jobs}`,
     ];
 
     args.push(d.enabled ? '--verbose' : '--silent');

src/rebuild.ts

@@ -20,6 +20,7 @@ export interface RebuildOptions {
   headerURL?: string;
   types?: ModuleType[];
   mode?: RebuildMode;
+  jobs?: string;
   debug?: boolean;
   useCache?: boolean;
   useElectronClang?: boolean;
@@ -54,6 +55,7 @@ export class Rebuilder implements IRebuilder {
   public force: boolean;
   public headerURL: string;
   public mode: RebuildMode;
+  public jobs: string;
   public debug: boolean;
   public useCache: boolean;
   public cachePath: string;
@@ -71,6 +73,7 @@ export class Rebuilder implements IRebuilder {
     this.force = options.force || false;
     this.headerURL = options.headerURL || 'https://www.electronjs.org/headers';
     this.mode = options.mode || defaultMode;
+    this.jobs = options.jobs || '1';
     this.debug = options.debug || false;
     this.useCache = options.useCache || false;
     this.useElectronClang = options.useElectronClang || false;

src/types.ts

@@ -20,6 +20,7 @@ export interface IRebuilder {
   headerURL: string;
   lifecycle: EventEmitter;
   mode: RebuildMode;
+  jobs: string;
   msvsVersion?: string;
   platform: string;
   prebuildTagPrefix: string;