fix: only build git-hosted dependency if it has no main file (#5868)

close #5845

.changeset/hip-beers-smile.md

@@ -0,0 +1,6 @@
+---
+"@pnpm/prepare-package": patch
+"pnpm": patch
+---
+
+Only run prepublish scripts of git-hosted dependencies, if the dependency doesn't have a main file. In this case we can assume that the dependencies has to be built.

exec/prepare-package/src/index.ts

@@ -1,7 +1,8 @@
+import fs from 'fs'
 import path from 'path'
 import { runLifecycleHook, RunLifecycleHookOptions } from '@pnpm/lifecycle'
 import { safeReadPackageJsonFromDir } from '@pnpm/read-package-json'
-import { PackageScripts } from '@pnpm/types'
+import { PackageManifest } from '@pnpm/types'
 import rimraf from '@zkochan/rimraf'
 import preferredPM from 'preferred-pm'
 import omit from 'ramda/src/omit'
@@ -21,7 +22,7 @@ export interface PreparePackageOptions {
 
 export async function preparePackage (opts: PreparePackageOptions, pkgDir: string) {
   const manifest = await safeReadPackageJsonFromDir(pkgDir)
-  if (manifest?.scripts == null || !packageShouldBeBuilt(manifest.scripts)) return
+  if (manifest?.scripts == null || !packageShouldBeBuilt(manifest, pkgDir)) return
   const pm = (await preferredPM(pkgDir))?.name ?? 'npm'
   const execOpts: RunLifecycleHookOptions = {
     depPath: `${manifest.name}@${manifest.version}`,
@@ -47,9 +48,12 @@ export async function preparePackage (opts: PreparePackageOptions, pkgDir: strin
   await rimraf(path.join(pkgDir, 'node_modules'))
 }
 
-function packageShouldBeBuilt (packageScripts: PackageScripts): boolean {
-  return [
-    ...PREPUBLISH_SCRIPTS,
-    'prepare',
-  ].some((scriptName) => packageScripts[scriptName] != null && packageScripts[scriptName] !== '')
+function packageShouldBeBuilt (manifest: PackageManifest, pkgDir: string): boolean {
+  if (manifest.scripts == null) return false
+  const scripts = manifest.scripts
+  if (scripts.prepare != null && scripts.prepare !== '') return true
+  const hasPrepublishScript = PREPUBLISH_SCRIPTS.some((scriptName) => scripts[scriptName] != null && scripts[scriptName] !== '')
+  if (!hasPrepublishScript) return false
+  const mainFile = manifest.main ?? 'index.js'
+  return !fs.existsSync(path.join(pkgDir, mainFile))
 }

exec/prepare-package/test/__fixtures__/has-prepublish-script-and-main-file/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "has-prepublish-script",
+  "version": "1.0.0",
+  "file": "main.js",
+  "scripts": {
+    "prepublish": "node -e \"process.stdout.write('prepublish')\" | json-append output.json"
+  },
+  "devDependencies": {
+    "json-append": "1.1.1"
+  }
+}

exec/prepare-package/test/index.ts

@@ -6,7 +6,7 @@ import { sync as loadJsonFile } from 'load-json-file'
 
 const f = fixtures(__dirname)
 
-test('prepare package runs the prepbublish script', async () => {
+test('prepare package runs the prepublish script', async () => {
   const tmp = tempDir()
   f.copy('has-prepublish-script', tmp)
   await preparePackage({ rawConfig: {} }, tmp)
@@ -14,3 +14,12 @@ test('prepare package runs the prepbublish script', async () => {
     'prepublish',
   ])
 })
+
+test('prepare package does not run the prebublish script if the main file is present', async () => {
+  const tmp = tempDir()
+  f.copy('has-prepublish-script-and-main-file', tmp)
+  await preparePackage({ rawConfig: {} }, tmp)
+  expect(loadJsonFile(path.join(tmp, 'output.json'))).toStrictEqual([
+    'prepublish',
+  ])
+})

jest.config.js

@@ -9,7 +9,7 @@ module.exports = {
   testEnvironment: "node",
   collectCoverage: true,
   coveragePathIgnorePatterns: ["/node_modules/"],
-  testPathIgnorePatterns: ["/fixtures/", "<rootDir>/test/utils/.+"],
+  testPathIgnorePatterns: ["/fixtures/", "/__fixtures__/", "<rootDir>/test/utils/.+"],
   testTimeout: 4 * 60 * 1000, // 4 minutes
   setupFilesAfterEnv: [path.join(__dirname, "jest.setup.js")],
   cacheDirectory: path.join(__dirname, ".jest-cache", packageName),