Use NPM instead of yarn

.github/workflows/build.yml

@@ -18,23 +18,24 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 19.x
-          cache: yarn
-          cache-dependency-path: yarn.lock
+          cache: 'npm'
+          cache-dependency-path: package-lock.json
+          node-version: 16.x
+
       - name: install dependencies
-        run: yarn install --immutable
+        run: npm ci
 
       - name: Prepare test
-        run: yarn pretest
+        run: npm run pretest
       - name: Run test (linux)
-        run: xvfb-run -a yarn test
+        run: xvfb-run -a npm test
         if: runner.os == 'Linux'
       - name: Run test (other platforms)
-        run: yarn test
+        run: npm test
         if: runner.os != 'Linux'
 
       - name: Package extension
-        run: yarn run vsce package --no-dependencies
+        run: npx vsce package
       - name: Store production artifacts
         uses: actions/upload-artifact@v3
         with:

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+- [chore] switch from yarn to npm
+
 ## 0.0.1
 
 - Initial release

README.md

@@ -42,6 +42,10 @@ def read_root():
     return {"Hello": "World"}
 ```
 
+### Unreleased
+
+Change build: use npm instead of yarn 3.x. This is so we can use dependencies (required so we can support typescript)
+
 ### 0.0.1
 
 Initial release which brings in basic Python support
@@ -52,11 +56,11 @@ Initial release which brings in basic Python support
 
 This extension is build using:
 
-- [yarn](yarnpkg.com)
+- [npm](https://docs.npmjs.com/cli/v9)
 - [esbuild](https://github.com/evanw/esbuild) as the bundler
 - [dprint](https://github.com/dprint/dprint) as the formatter
 
 In order to test the extension locally, you may want to install the following extensions:
 
-- [Dprint code](https://marketplace.visualstudio.com/items?itemName=dprint.dprint). So vscode can format the code for you. You can also run `yarn format` before committing so all code is correctly formatted.
+- [Dprint code](https://marketplace.visualstudio.com/items?itemName=dprint.dprint). So vscode can format the code for you. You can also run `npm run format` before committing so all code is correctly formatted.
 - [esbuild Problem Matchers](https://marketplace.visualstudio.com/items?itemName=connor4312.esbuild-problem-matchers) This is needed when vscode to debug the extension.