Internal: Switch from yarn to pnpm (#178)

It's faster, less buggy than yarn 1.x, and easier to work with than yarn
3/4.

One note: I did not try to migrate the lockfile, so this also updates
all dependencies based on semver range in our package.json

.github/workflows/ci.yml

@@ -9,20 +9,22 @@ jobs:
     build:
         strategy:
             matrix:
-                node: [16.x, 18.x, 20.x]
+                node: [18.x, 20.x, 22.x]
                 platform: [ubuntu-latest, windows-latest]
         runs-on: ${{ matrix.platform }}
         steps:
             - uses: actions/checkout@v3
+            # Pulls version from packageManager key in package.json
+            - name: Setup pnpm
+              uses: pnpm/action-setup@v3
             - uses: actions/setup-node@v3
               with:
                   node-version: ${{ matrix.node }}
-                  cache: 'yarn'
-                  cache-dependency-path: 'yarn.lock'
-            - run: yarn install --frozen-lockfile --non-interactive
+                  cache: 'pnpm'
+            - run: pnpm install
             - name: Build
-              run: yarn compile
+              run: pnpm compile
             - name: Test
-              run: yarn test
+              run: pnpm test
             - name: Check formatting
-              run: yarn format:check
+              run: pnpm format:check

.node-version

@@ -0,0 +1 @@
+v22.4.1

.prettierignore

@@ -1,6 +1,8 @@
 tests/
 lib/
 
+pnpm-lock.yaml
+
 # Until we can find a way to ignore codeblocks (we need before/after)
 README.md
 docs/TROUBLESHOOTING.md

package.json

@@ -17,9 +17,9 @@
         "types"
     ],
     "scripts": {
-        "prepare": "yarn run compile",
+        "prepare": "pnpm run compile",
         "compile": "tsc",
-        "preexample": "yarn run compile",
+        "preexample": "pnpm run compile",
         "test": "cross-env NODE_OPTIONS=--experimental-vm-modules vitest --run",
         "test:watch": "vitest",
         "format": "prettier . --write",
@@ -85,5 +85,5 @@
             "optional": true
         }
     },
-    "packageManager": "yarn@1.22.19+sha1.4ba7fc5c6e704fce2066ecbfb0b0d8976fe62447"
+    "packageManager": "pnpm@9.5.0+sha512.140036830124618d624a2187b50d04289d5a087f326c9edfc0ccd733d76c4f52c3a313d4fc148794a2a9d81553016004e6742e8cf850670268a7387fc220c903"
 }