feat!: dedupe-injected-deps is set to true (#7486)

.changeset/plenty-dragons-search.md

@@ -0,0 +1,6 @@
+---
+"@pnpm/config": major
+"pnpm": major
+---
+
+The [`dedupe-injected-deps`](https://pnpm.io/npmrc#dedupe-injected-deps) setting is `true` by default.

config/config/src/index.ts

@@ -207,7 +207,7 @@ export async function getConfig (
     'deploy-all-files': false,
     'dedupe-peer-dependents': true,
     'dedupe-direct-deps': false,
-    'dedupe-injected-deps': false,
+    'dedupe-injected-deps': true,
     'disallow-workspace-cycles': false,
     'enable-modules-dir': true,
     'exclude-links-from-lockfile': false,

pkg-manager/core/src/install/extendInstallOptions.ts

@@ -159,6 +159,7 @@ const defaults = (opts: InstallOptions) => {
     childConcurrency: 5,
     confirmModulesPurge: !opts.force,
     depth: 0,
+    dedupeInjectedDeps: true,
     enablePnp: false,
     engineStrict: false,
     force: false,

pkg-manager/core/test/install/injectLocalPackages.ts

@@ -1593,6 +1593,7 @@ test('injected package is kept up-to-date when it is hoisted to multiple places'
   }
   await mutateModules(importers, await testDefaults({
     allProjects,
+    dedupeInjectedDeps: false,
     nodeLinker: 'hoisted',
     workspacePackages,
   }))
@@ -1667,6 +1668,7 @@ test('relink injected dependency on install by default', async () => {
   }
   await mutateModules(importers, await testDefaults({
     allProjects,
+    dedupeInjectedDeps: false,
     workspacePackages,
     packageImportMethod: 'hardlink',
     fastUnpack: false,
@@ -1684,6 +1686,7 @@ test('relink injected dependency on install by default', async () => {
 
   await mutateModules(importers, await testDefaults({
     allProjects,
+    dedupeInjectedDeps: false,
     workspacePackages,
     packageImportMethod: 'hardlink',
     fastUnpack: false,
@@ -1752,6 +1755,7 @@ test('do not relink injected dependency on install when disableRelinkLocalDirDep
   }
   await mutateModules(importers, await testDefaults({
     allProjects,
+    dedupeInjectedDeps: false,
     workspacePackages,
     packageImportMethod: 'hardlink',
     fastUnpack: false,
@@ -1772,6 +1776,7 @@ test('do not relink injected dependency on install when disableRelinkLocalDirDep
 
   await mutateModules(importers, await testDefaults({
     allProjects,
+    dedupeInjectedDeps: false,
     workspacePackages,
     packageImportMethod: 'hardlink',
     fastUnpack: false,