Migration to npm

.devcontainer/devcontainer.json

@@ -12,7 +12,7 @@
 	"forwardPorts": [8080],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
-	"postCreateCommand": "yarn install"
+	"postCreateCommand": "npm install"
 
 	// Configure tool-specific properties.
 	// "customizations": {},

.github/workflows/build.yml

@@ -22,13 +22,15 @@ jobs:
       uses: actions/setup-node@v4
       with:
         node-version: '24'
+    - name: Update npm
+      run: npm install -g npm@latest
     - name: Install
-      run: yarn
+      run: npm ci
       env:
         NODE_ENV: development
     - name: Build
-      run: yarn build
+      run: npm run build
     - name: Lint
-      run: yarn lint
+      run: npm run lint
     - name: Test
-      run: yarn test
+      run: npm test

.vscode/settings.json

@@ -1,5 +1,5 @@
 {
-    "eslint.packageManager": "yarn",
+    "eslint.packageManager": "npm",
     "search.exclude": {
         "**/node_modules": true,
         "**/lib": true,

.vscode/tasks.json

@@ -6,7 +6,7 @@
         {
             "label": "Build Sprotty",
             "type": "shell",
-            "command": "yarn",
+            "command": "npm install",
             "group": "build",
             "presentation": {
                 "focus": false,
@@ -22,7 +22,7 @@
         {
             "label": "Watch Sprotty",
             "type": "shell",
-            "command": "yarn watch",
+            "command": "npm run watch",
             "group": "none",
             "presentation": {
                 "focus": false,

examples/package.json

@@ -25,16 +25,11 @@
     "webpack": "^5.88.2",
     "webpack-cli": "^5.1.4"
   },
-  "volta": {
-    "node": "18.19.0",
-    "yarn": "1.22.21"
-  },
   "scripts": {
-    "prepare": "yarn run build",
     "clean": "shx rm -fr lib artifacts *.tsbuildinfo",
     "compile": "tsc -b tsconfig.json",
     "build": "webpack && npm run compile",
-    "watch": "yarn run watch:browser",
+    "watch": "npm run watch:browser",
     "watch:browser": "webpack --watch",
     "watch:server": "tsc -w",
     "start": "node ./lib/server/server-app"

lerna.json

@@ -1,6 +1,6 @@
 {
   "version": "1.4.0",
-  "npmClient": "yarn",
+  "npmClient": "npm",
   "command": {
     "run": {
       "stream": true