Add changesets and release workflow (#141)

Author: pkiv

.changeset/config.json

@@ -0,0 +1,18 @@
+{
+  "$schema": "https://unpkg.com/@changesets/config@2.1.1/schema.json",
+  "commit": false,
+  "fixed": [],
+  "linked": [],
+  "baseBranch": "main",
+  "updateInternalDependencies": "patch",
+  "changelog": [
+    "@changesets/changelog-github",
+    {
+      "repo": "browserbase/stagehand"
+    }
+  ],
+  "snapshot": {
+    "useCalculatedVersion": true,
+    "prereleaseTemplate": "{tag}-{datetime}-{commit}"
+  }
+}

.github/workflows/pr.yml

@@ -0,0 +1,34 @@
+name: "pr"
+on:
+  pull_request:
+    branches:
+      - "main"
+    paths:
+      - ".changeset/**/*.md"
+
+jobs:
+  release:
+    runs-on: "ubuntu-22.04"
+    if: github.event.pull_request.head.repo.full_name == github.repository # run only for original, non-fork PRs
+    steps:
+      - uses: "actions/checkout@v3"
+        with:
+          fetch-depth: 0
+          ref: ${{ github.event.pull_request.head.sha }}
+      - uses: "actions/setup-node@v3"
+        with:
+          node-version: 18
+          cache: "npm"
+      - name: "Cancel previous runs"
+        uses: "styfle/cancel-workflow-action@0.11.0"
+        continue-on-error: true
+        with:
+          access_token: ${{ secrets.GITHUB_TOKEN }}
+      - run: "npm i"
+      - uses: "the-guild-org/changesets-snapshot-action@v0.0.1"
+        with:
+          tag: "alpha"
+          prepareScript: "npm build"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/release.yml

@@ -0,0 +1,37 @@
+name: "release"
+on:
+  push:
+    branches:
+      - "main"
+
+jobs:
+  publish:
+    runs-on: "ubuntu-22.04"
+    steps:
+      - uses: "actions/checkout@v3"
+        with:
+          fetch-depth: 0
+      - uses: "actions/setup-node@v3"
+        with:
+          node-version: 18
+          cache: "npm"
+      - name: "Cancel previous runs"
+        uses: "styfle/cancel-workflow-action@0.11.0"
+        continue-on-error: true
+        with:
+          access_token: ${{ secrets.GITHUB_TOKEN }}
+      - run: "npm i"
+      - run: "npm run build"
+        env:
+      - name: "release / pull_request"
+        id: "changesets"
+        uses: "dotansimha/changesets-action@v1.5.2"
+        with:
+          publish: "npm run release"
+          version: "npm exec changeset version"
+          commit: "Update stagehand version"
+          title: "Upcoming Release Changes"
+          createGithubReleases: "aggregate"
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}