fix: dependency path is undefined

packages/app-builder-lib/src/packager.ts

@@ -600,7 +600,7 @@ export class Packager {
     if (config.buildDependenciesFromSource === true && platform.nodeName !== process.platform) {
       log.info({ reason: "platform is different and buildDependenciesFromSource is set to true" }, "skipped dependencies rebuild")
     } else {
-      await installOrRebuild(config, this.appDir, {
+      await installOrRebuild(config, this.appDir, this.projectDir, {
         frameworkInfo,
         platform: platform.nodeName,
         arch: Arch[arch],

packages/app-builder-lib/src/util/appFileCopier.ts

@@ -178,7 +178,18 @@ function validateFileSet(fileSet: ResolvedFileSet): ResolvedFileSet {
 
 /** @internal */
 export async function computeNodeModuleFileSets(platformPackager: PlatformPackager<any>, mainMatcher: FileMatcher): Promise<Array<ResolvedFileSet>> {
-  const deps = await getNodeModules(platformPackager.info.appDir)
+  const projectDir = platformPackager.info.projectDir
+  const appDir = platformPackager.info.appDir
+
+  let deps = await getNodeModules(appDir)
+  if (projectDir !== appDir && deps.length === 0) {
+    const packageJson = require(path.join(appDir, "package.json"))
+    if (Object.keys(packageJson.dependencies || {}).length > 0) {
+      log.debug({ projectDir, appDir }, "no node_modules in app dir, trying to find in project dir")
+      deps = await getNodeModules(projectDir)
+    }
+  }
+
   log.debug({ nodeModules: deps }, "collected node modules")
 
   const nodeModuleExcludedExts = getNodeModuleExcludedExts(platformPackager)

packages/app-builder-lib/src/util/yarn.ts

@@ -1,5 +1,4 @@
 import * as electronRebuild from "@electron/rebuild"
-import { getProjectRootPath } from "@electron/rebuild/lib/search-module"
 import { RebuildMode } from "@electron/rebuild/lib/types"
 import { asArray, log, spawn } from "builder-util"
 import { pathExists } from "fs-extra"
@@ -12,7 +11,7 @@ import { PM, detect, getPackageManagerVersion } from "../node-module-collector"
 import { NodeModuleDirInfo } from "./packageDependencies"
 import { rebuild as remoteRebuild } from "./rebuild/rebuild"
 
-export async function installOrRebuild(config: Configuration, appDir: string, options: RebuildOptions, forceInstall = false) {
+export async function installOrRebuild(config: Configuration, appDir: string, projectDir: string, options: RebuildOptions, forceInstall = false) {
   const effectiveOptions: RebuildOptions = {
     buildFromSource: config.buildDependenciesFromSource === true,
     additionalArgs: asArray(config.npmArgs),
@@ -29,9 +28,9 @@ export async function installOrRebuild(config: Configuration, appDir: string, op
   }
 
   if (forceInstall || !isDependenciesInstalled) {
-    await installDependencies(config, appDir, effectiveOptions)
+    await installDependencies(config, appDir, projectDir, effectiveOptions)
   } else {
-    await rebuild(config, appDir, effectiveOptions)
+    await rebuild(config, appDir, projectDir, effectiveOptions)
   }
 }
 
@@ -91,12 +90,11 @@ async function checkYarnBerry(pm: PM) {
   return version.split(".")[0] >= "2"
 }
 
-async function installDependencies(config: Configuration, appDir: string, options: RebuildOptions): Promise<any> {
+async function installDependencies(config: Configuration, appDir: string, projectDir: string, options: RebuildOptions): Promise<any> {
   const platform = options.platform || process.platform
   const arch = options.arch || process.arch
   const additionalArgs = options.additionalArgs
 
-  const projectDir = await getProjectRootPath(appDir)
   const pm = await detect({ cwd: projectDir })
   log.info({ pm, platform, arch, projectDir, appDir }, `installing production dependencies`)
   const execArgs = ["install"]
@@ -123,7 +121,7 @@ async function installDependencies(config: Configuration, appDir: string, option
 
   // Some native dependencies no longer use `install` hook for building their native module, (yarn 3+ removed implicit link of `install` and `rebuild` steps)
   // https://github.com/electron-userland/electron-builder/issues/8024
-  return rebuild(config, appDir, options)
+  return rebuild(config, appDir, projectDir, options)
 }
 
 export async function nodeGypRebuild(platform: NodeJS.Platform, arch: string, frameworkInfo: DesktopFrameworkInfo) {
@@ -171,7 +169,7 @@ export interface RebuildOptions {
 }
 
 /** @internal */
-export async function rebuild(config: Configuration, appDir: string, options: RebuildOptions) {
+export async function rebuild(config: Configuration, appDir: string, projectDir: string, options: RebuildOptions) {
   const configuration = {
     dependencies: await options.productionDeps.value,
     nodeExecPath: process.execPath,
@@ -205,7 +203,7 @@ export async function rebuild(config: Configuration, appDir: string, options: Re
     arch,
     platform,
     buildFromSource,
-    projectRootPath: await getProjectRootPath(appDir),
+    projectRootPath: projectDir,
     mode: (config.nativeRebuilder as RebuildMode) || "sequential",
     disablePreGypCopy: true,
   }

packages/electron-builder/src/cli/install-app-deps.ts

@@ -58,6 +58,7 @@ export async function installAppDeps(args: any) {
   await installOrRebuild(
     config,
     appDir,
+    projectDir,
     {
       frameworkInfo: { version, useCustomDist: true },
       platform: args.platform,