switching from yarn to pnpm

.github/workflows/build-element-call.yaml

@@ -37,15 +37,15 @@ jobs:
           persist-credentials: false
       - name: Enable Corepack
         run: corepack enable
-      - name: Yarn cache
+      - name: pnpm cache
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
-          cache: "yarn"
+          cache: "pnpm"
           node-version-file: ".node-version"
       - name: Install dependencies
-        run: "yarn install --immutable"
+        run: "pnpm install --frozen-lockfile"
       - name: Build Element Call
-        run: yarn run build:"$PACKAGE":"$BUILD_MODE"
+        run: pnpm run build:"$PACKAGE":"$BUILD_MODE"
         env:
           SENTRY_ORG: ${{ secrets.SENTRY_ORG }}
           SENTRY_PROJECT: ${{ secrets.SENTRY_PROJECT }}

.github/workflows/lint.yaml

@@ -12,20 +12,20 @@ jobs:
           persist-credentials: false
       - name: Enable Corepack
         run: corepack enable
-      - name: Yarn cache
+      - name: pnpm cache
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
-          cache: "yarn"
+          cache: "pnpm"
           node-version-file: ".node-version"
       - name: Install dependencies
-        run: "yarn install --immutable"
+        run: "pnpm install --frozen-lockfile"
       - name: Prettier
-        run: "yarn run prettier:check"
+        run: "pnpm run prettier:check"
       - name: i18n
-        run: "yarn run i18n:check"
+        run: "pnpm run i18n:check"
       - name: ESLint
-        run: "yarn run lint:eslint"
+        run: "pnpm run lint:eslint"
       - name: Type check
-        run: "yarn run lint:types"
+        run: "pnpm run lint:types"
       - name: Dead code analysis
-        run: "yarn run lint:knip"
+        run: "pnpm run lint:knip"

.github/workflows/test.yaml

@@ -14,15 +14,15 @@ jobs:
           persist-credentials: false
       - name: Enable Corepack
         run: corepack enable
-      - name: Yarn cache
+      - name: pnpm cache
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
-          cache: "yarn"
+          cache: "pnpm"
           node-version-file: ".node-version"
       - name: Install dependencies
-        run: "yarn install --immutable"
+        run: "pnpm install --frozen-lockfile"
       - name: Vitest
-        run: "yarn run test:coverage"
+        run: "pnpm run test:coverage"
       - name: Upload to codecov
         uses: codecov/codecov-action@75cd11691c0faa626561e295848008c8a7dddffe # v5
         env:
@@ -42,12 +42,12 @@ jobs:
         run: corepack enable
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
-          cache: "yarn"
+          cache: "pnpm"
           node-version-file: ".node-version"
       - name: Install dependencies
-        run: yarn install --immutable
+        run: pnpm install --frozen-lockfile
       - name: Install Playwright Browsers
-        run: yarn playwright install --with-deps
+        run: pnpm exec playwright install --with-deps
       - name: Run backend components
         run: |
           docker compose -f playwright-backend-docker-compose.yml -f playwright-backend-docker-compose.override.yml pull
@@ -56,7 +56,7 @@ jobs:
       - name: Run Playwright tests
         env:
           USE_DOCKER: 1
-        run: yarn playwright test
+        run: pnpm exec playwright test
       - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         if: ${{ !cancelled() }}
         with:

.github/workflows/translations-download.yaml

@@ -22,11 +22,11 @@ jobs:
 
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
-          cache: "yarn"
+          cache: "pnpm"
           node-version-file: ".node-version"
 
       - name: Install Deps
-        run: "yarn install --immutable"
+        run: "pnpm install --frozen-lockfile"
 
       - name: Prune i18n
         run: "rm -R locales"
@@ -40,7 +40,7 @@ jobs:
         run: "sudo chown runner:docker -R locales"
 
       - name: Prettier
-        run: yarn prettier:format
+        run: pnpm prettier:format
 
       - name: Create Pull Request
         id: cpr

.yarn/plugins/linker.cjs

@@ -1,91 +0,0 @@
-/*
-Copyright 2025 New Vector Ltd.
-
-SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
-Please see LICENSE in the repository root for full details.
-*/
-
-module.exports = {
-  name: "linker",
-  factory: (require) => ({
-    hooks: {
-      // Yarn's plugin system is very light on documentation. The best we have
-      // for this hook is simply the type definition in
-      // https://github.com/yarnpkg/berry/blob/master/packages/yarnpkg-core/sources/Plugin.ts
-      registerPackageExtensions: async (config, registerPackageExtension) => {
-        const { structUtils } = require("@yarnpkg/core");
-        const { parseSyml } = require("@yarnpkg/parsers");
-        const path = require("path");
-        const fs = require("fs");
-        const process = require("process");
-
-        // Create a descriptor that we can use to target our direct dependencies
-        const projectPath = config.projectCwd
-          .replace(/\\/g, "/")
-          .replace("/C:/", "C:/");
-        const manifestPath = path.join(projectPath, "package.json");
-        const manifest = JSON.parse(fs.readFileSync(manifestPath, "utf8"));
-        const selfDescriptor = structUtils.parseDescriptor(
-          `${manifest.name}@*`,
-          true,
-        );
-
-        // Load the list of linked packages
-        const linksPath = path.join(projectPath, ".links.yaml");
-        let linksFile;
-        try {
-          linksFile = fs.readFileSync(linksPath, "utf8");
-        } catch (e) {
-          return; // File doesn't exist, there's nothing to link
-        }
-        let links;
-        try {
-          links = parseSyml(linksFile);
-        } catch (e) {
-          console.error(".links.yaml has invalid syntax", e);
-          process.exit(1);
-        }
-
-        // Resolve paths and turn them into a Yarn package extension
-        const overrides = Object.fromEntries(
-          Object.entries(links).map(([name, link]) => [
-            name,
-            `portal:${path.resolve(config.projectCwd, link)}`,
-          ]),
-        );
-        const overrideIdentHashes = new Set();
-        for (const name of Object.keys(overrides))
-          overrideIdentHashes.add(
-            structUtils.parseDescriptor(`${name}@*`, true).identHash,
-          );
-
-        // Extend our own package's dependencies with these local overrides
-        registerPackageExtension(selfDescriptor, { dependencies: overrides });
-
-        // Filter out the original dependencies from the package spec so Yarn
-        // actually respects the overrides
-        const filterDependencies = (original) => {
-          const pkg = structUtils.copyPackage(original);
-          pkg.dependencies = new Map(
-            Array.from(pkg.dependencies.entries()).filter(
-              ([, value]) => !overrideIdentHashes.has(value.identHash),
-            ),
-          );
-          return pkg;
-        };
-
-        // Patch Yarn's own normalizePackage method to use the above filter
-        const originalNormalizePackage = config.normalizePackage;
-        config.normalizePackage = function (pkg, extensions) {
-          return originalNormalizePackage.call(
-            this,
-            pkg.identHash === selfDescriptor.identHash
-              ? filterDependencies(pkg)
-              : pkg,
-            extensions,
-          );
-        };
-      },
-    },
-  }),
-};

.yarnrc.yml

@@ -1,3 +0,0 @@
-nodeLinker: node-modules
-plugins:
-  - .yarn/plugins/linker.cjs

package.json

@@ -3,23 +3,23 @@
   "version": "0.0.0",
   "type": "module",
   "scripts": {
-    "dev": "yarn dev:full",
+    "dev": "pnpm dev:full",
     "dev:full": "vite",
     "dev:embedded": "vite --config vite-embedded.config.js",
-    "build": "yarn build:full",
+    "build": "pnpm build:full",
     "build:full": "NODE_OPTIONS=--max-old-space-size=16384 vite build",
-    "build:full:production": "yarn build:full",
-    "build:full:development": "yarn build:full --mode development",
-    "build:embedded": "yarn build:full --config vite-embedded.config.js",
-    "build:embedded:production": "yarn build:embedded",
-    "build:embedded:development": "yarn build:embedded --mode development",
-    "build:sdk:development": "yarn build:sdk --mode development",
-    "build:sdk": "yarn build:full --config vite-sdk.config.js",
-    "build:sdk:production": "yarn build:sdk",
+    "build:full:production": "pnpm build:full",
+    "build:full:development": "pnpm build:full --mode development",
+    "build:embedded": "pnpm build:full --config vite-embedded.config.js",
+    "build:embedded:production": "pnpm build:embedded",
+    "build:embedded:development": "pnpm build:embedded --mode development",
+    "build:sdk:development": "pnpm build:sdk --mode development",
+    "build:sdk": "pnpm build:full --config vite-sdk.config.js",
+    "build:sdk:production": "pnpm build:sdk",
     "serve": "vite preview",
     "prettier:check": "prettier -c .",
     "prettier:format": "prettier -w .",
-    "lint": "yarn lint:types && yarn lint:eslint && yarn lint:knip",
+    "lint": "pnpm lint:types && pnpm lint:eslint && pnpm lint:knip",
     "lint:eslint": "eslint --max-warnings 0 src playwright",
     "lint:eslint-fix": "eslint --max-warnings 0 src playwright --fix",
     "lint:knip": "knip",
@@ -31,7 +31,7 @@
     "backend": "docker-compose -f dev-backend-docker-compose.yml up",
     "backend-playwright": "docker-compose -f playwright-backend-docker-compose.yml -f playwright-backend-docker-compose.override.yml up",
     "test:playwright": "playwright test",
-    "test:playwright:open": "yarn test:playwright --ui",
+    "test:playwright:open": "pnpm test:playwright --ui",
     "links:enable": "mv .links.disabled.yaml .links.yaml & touch .links.yaml",
     "links:disable": "mv .links.yaml .links.disabled.yaml",
     "storybook": "storybook dev -p 6006",
@@ -142,14 +142,17 @@
     "vitest": "^4.0.18",
     "vitest-axe": "^1.0.0-pre.3"
   },
-  "resolutions": {
-    "@livekit/components-core/rxjs": "^7.8.1",
-    "@livekit/track-processors/@mediapipe/tasks-vision": "^0.10.18",
-    "minimatch": "^10.2.3",
-    "tar": "^7.5.11",
-    "glob": "^10.5.0",
-    "qs": "^6.14.1",
-    "js-yaml": "^4.1.1"
+  "pnpm": {
+    "overrides": {
+      "@livekit/components-core>rxjs": "^7.8.1",
+      "@livekit/track-processors>@mediapipe/tasks-vision": "^0.10.18",
+      "minimatch": "^10.2.3",
+      "tar": "^7.5.11",
+      "glob": "^10.5.0",
+      "qs": "^6.14.1",
+      "js-yaml": "^4.1.1",
+      "esbuild": "^0.27.7"
+    }
   },
-  "packageManager": "yarn@4.7.0"
+  "packageManager": "pnpm@9.0.0"
 }

scripts/dockerbuild.sh

@@ -5,5 +5,5 @@ set -ex
 export VITE_APP_VERSION=$(git describe --tags --abbrev=0)
 
 corepack enable
-yarn install
-yarn run build
+pnpm install
+pnpm run build

scripts/playwright-webserver-command.sh

@@ -1,10 +1,10 @@
 #!/bin/sh
 if [ -n "$USE_DOCKER" ]; then
     set -ex
-    yarn build
+    pnpm build
     docker build -t element-call:testing .
     exec docker run --rm --name element-call-testing -p 8080:8080 -v ./config/config.devenv.json:/app/config.json:ro,Z element-call:testing
 else
     cp config/config.devenv.json public/config.json
-    exec yarn dev
+    exec pnpm dev
 fi