fix: add nodeLinker field to node_modules/.modules.yaml

.changeset/weak-clouds-train.md

@@ -0,0 +1,7 @@
+---
+"@pnpm/core": patch
+"@pnpm/headless": patch
+"@pnpm/modules-yaml": patch
+---
+
+Save the value of the active `nodeLinker` to `node_modules/.modules.yaml`.

packages/core/src/install/index.ts

@@ -897,6 +897,7 @@ const _installInContext: InstallFunction = async (projects, ctx, opts) => {
           hoistPattern: ctx.hoistPattern,
           included: ctx.include,
           layoutVersion: LAYOUT_VERSION,
+          nodeLinker: opts.nodeLinker,
           packageManager: `${opts.packageManager.name}@${opts.packageManager.version}`,
           pendingBuilds: ctx.pendingBuilds,
           publicHoistPattern: ctx.publicHoistPattern,

packages/core/test/hoistedNodeLinker/install.ts

@@ -3,6 +3,7 @@ import path from 'path'
 import { addDependenciesToPackage, install, mutateModules } from '@pnpm/core'
 import { prepareEmpty } from '@pnpm/prepare'
 import { sync as loadJsonFile } from 'load-json-file'
+import { sync as readYamlFile } from 'read-yaml-file'
 import { addDistTag, testDefaults } from '../utils'
 
 test('installing with hoisted node-linker', async () => {
@@ -22,6 +23,8 @@ test('installing with hoisted node-linker', async () => {
   expect(fs.realpathSync('node_modules/has-flag')).toEqual(path.resolve('node_modules/has-flag'))
   expect(fs.realpathSync('node_modules/ms')).toEqual(path.resolve('node_modules/ms'))
   expect(fs.existsSync('node_modules/send/node_modules/ms')).toBeTruthy()
+
+  expect(readYamlFile<{ nodeLinker: string }>('node_modules/.modules.yaml').nodeLinker).toBe('hoisted')
 })
 
 test('installing with hoisted node-linker and no lockfile', async () => {

packages/headless/src/index.ts

@@ -448,6 +448,7 @@ export default async (opts: HeadlessOptions) => {
       hoistPattern: opts.hoistPattern,
       included: opts.include,
       layoutVersion: LAYOUT_VERSION,
+      nodeLinker: opts.nodeLinker,
       packageManager: `${opts.packageManager.name}@${opts.packageManager.version}`,
       pendingBuilds: opts.pendingBuilds,
       publicHoistPattern: opts.publicHoistPattern,

packages/modules-yaml/src/index.ts

@@ -18,6 +18,7 @@ export interface Modules {
   hoistPattern?: string[]
   included: IncludedDependencies
   layoutVersion: number
+  nodeLinker?: 'hoisted' | 'isolated' | 'pnp'
   packageManager: string
   pendingBuilds: string[]
   prunedAt: string