feat: add ability to specify additional npm rebuild args (#881)

* feat: add ability to specify additional npm rebuild args

docs/Options.md

@@ -84,6 +84,7 @@ Don't customize paths to background and icon, — just follow conventions.
 | afterPack | <a name="BuildMetadata-afterPack"></a>*programmatic API only* The function to be run after pack (but before pack into distributable format and sign). Promise must be returned.
 | npmRebuild | <a name="BuildMetadata-npmRebuild"></a>*two package.json structure only* Whether to [rebuild](https://docs.npmjs.com/cli/rebuild) native dependencies (`npm rebuild`) before starting to package the app. Defaults to `true`.
 | npmSkipBuildFromSource | <a name="BuildMetadata-npmSkipBuildFromSource"></a>*two package.json structure only* Whether to omit using [--build-from-source](https://github.com/mapbox/node-pre-gyp#options) flag when installing app native deps. Defaults to `false`.
+| npmArgs | <a name="BuildMetadata-npmArgs"></a>*two package.json structure only* Additional command line arguments to use when installing app native deps. Defaults to `null`.
 | nodeGypRebuild | <a name="BuildMetadata-nodeGypRebuild"></a>Whether to execute `node-gyp rebuild` before starting to package the app. Defaults to `false`.
 | electronDist | <a name="BuildMetadata-electronDist"></a>The path to custom Electron build (e.g. `~/electron/out/R`). Only macOS supported, file issue if need for Linux or Windows.
 | publish | <a name="BuildMetadata-publish"></a>See [.build.publish](#PublishConfiguration).

src/metadata.ts

@@ -207,6 +207,11 @@ export interface BuildMetadata {
    */
   readonly npmSkipBuildFromSource?: boolean
 
+  /*
+   *two package.json structure only* Additional command line arguments to use when installing app native deps. Defaults to `null`.
+   */
+  readonly npmArgs?: Array<string> | string | null
+
   /*
    Whether to execute `node-gyp rebuild` before starting to package the app. Defaults to `false`.
    */

src/packager.ts

@@ -241,7 +241,7 @@ export class Packager implements BuildInfo {
           log("Skip app dependencies rebuild because platform is different")
         }
         else {
-          await installDependencies(this.appDir, this.electronVersion, Arch[arch], forceBuildFromSource, (await statOrNull(path.join(this.appDir, "node_modules"))) == null ? "install" : "rebuild")
+          await installDependencies(this.appDir, this.electronVersion, Arch[arch], forceBuildFromSource, (await statOrNull(path.join(this.appDir, "node_modules"))) == null ? "install" : "rebuild", this.devMetadata.build.npmArgs)
         }
       }
     }

src/util/util.ts

@@ -16,8 +16,8 @@ export const debug7z: Debugger = _debug("electron-builder:7z")
 
 const DEFAULT_APP_DIR_NAMES = ["app", "www"]
 
-export function installDependencies(appDir: string, electronVersion: string, arch: string = process.arch, forceBuildFromSource: boolean, command: string = "install"): Promise<any> {
-  return task(`${(command === "install" ? "Installing" : "Rebuilding")} app dependencies for arch ${arch} to ${appDir}`, spawnNpmProduction(command, appDir, forceBuildFromSource, getGypEnv(electronVersion, arch)))
+export function installDependencies(appDir: string, electronVersion: string, arch: string = process.arch, forceBuildFromSource: boolean, command: string = "install", additionalArgs?: any): Promise<any> {
+  return task(`${(command === "install" ? "Installing" : "Rebuilding")} app dependencies for arch ${arch} to ${appDir}`, spawnNpmProduction(command, appDir, forceBuildFromSource, getGypEnv(electronVersion, arch), additionalArgs))
 }
 
 export function getGypEnv(electronVersion: string, arch: string): any {
@@ -32,7 +32,7 @@ export function getGypEnv(electronVersion: string, arch: string): any {
   })
 }
 
-export function spawnNpmProduction(command: string, appDir: string, forceBuildFromSource: boolean, env?: any): Promise<any> {
+export function spawnNpmProduction(command: string, appDir: string, forceBuildFromSource: boolean, env?: any, additionalArgs?: any): Promise<any> {
   let npmExecPath = process.env.npm_execpath || process.env.NPM_CLI_JS
   const npmExecArgs = [command, "--production"]
 
@@ -54,6 +54,15 @@ export function spawnNpmProduction(command: string, appDir: string, forceBuildFr
     npmExecArgs.push("--build-from-source")
   }
 
+  if (additionalArgs) {
+    if (Array.isArray(additionalArgs)) {
+      additionalArgs.push(...additionalArgs)
+    }
+    else {
+      additionalArgs.push(additionalArgs)
+    }
+  }
+
   return spawn(npmExecPath, npmExecArgs, {
     cwd: appDir,
     env: env || process.env