ci: implement release workflows (#113)

.github/changeset-version.js

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+// ORIGINALLY FROM CLOUDFLARE WRANGLER:
+// https://github.com/cloudflare/wrangler2/blob/main/.github/changeset-version.js
+
+import { exec } from "child_process"
+
+// This script is used by the `release.yml` workflow to update the version of the packages being released.
+// The standard step is only to run `changeset version` but this does not update the package-lock.json file.
+// So we also run `npm install`, which does this update.
+// This is a workaround until this is handled automatically by `changeset version`.
+// See https://github.com/changesets/changesets/issues/421.
+exec("npx changeset version")
+exec("npm install")

.github/version-script-beta.js

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+// ORIGINALLY FROM CLOUDFLARE WRANGLER:
+// https://github.com/cloudflare/wrangler2/blob/main/.github/version-script.js
+
+import { exec } from "child_process"
+import fs from "fs"
+
+const pkgJsonPath = "cli/package.json"
+try {
+  const pkg = JSON.parse(fs.readFileSync(pkgJsonPath))
+  exec("git rev-parse --short HEAD", (err, stdout) => {
+    if (err) {
+      console.log(err)
+      process.exit(1)
+    }
+    pkg.version = "0.0.0-beta." + stdout.trim()
+    fs.writeFileSync(pkgJsonPath, JSON.stringify(pkg, null, "\t") + "\n")
+  })
+} catch (error) {
+  console.error(error)
+  process.exit(1)
+}

.github/version-script-next.js

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+// ORIGINALLY FROM CLOUDFLARE WRANGLER:
+// https://github.com/cloudflare/wrangler2/blob/main/.github/version-script.js
+
+import { exec } from "child_process"
+import fs from "fs"
+
+const pkgJsonPath = "cli/package.json"
+try {
+  const pkg = JSON.parse(fs.readFileSync(pkgJsonPath))
+  exec("git rev-parse --short HEAD", (err, stdout) => {
+    if (err) {
+      console.log(err)
+      process.exit(1)
+    }
+    pkg.version = "0.0.0-next." + stdout.trim()
+    fs.writeFileSync(pkgJsonPath, JSON.stringify(pkg, null, "\t") + "\n")
+  })
+} catch (error) {
+  console.error(error)
+  process.exit(1)
+}

.github/workflows/prerelease-comment.yml

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+# Adapted from create-t3-app.
+name: Write Beta Release comment
+
+on:
+  workflow_run:
+    workflows: ["Release - Beta"]
+    types:
+      - completed
+
+jobs:
+  comment:
+    if: |
+      github.repository_owner == 'shadcn' &&
+      ${{ github.event.workflow_run.conclusion == 'success' }}
+    runs-on: ubuntu-latest
+    name: Write comment to the PR
+    steps:
+      - name: "Comment on PR"
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              run_id: context.payload.workflow_run.id,
+            });
+
+            for (const artifact of allArtifacts.data.artifacts) {
+              // Extract the PR number and package version from the artifact name
+              const match = /^npm-package-\@shadcn\/ui@(.*?)-pr-(\d+)/.exec(artifact.name);
+              
+              if (match) {
+                require("fs").appendFileSync(
+                  process.env.GITHUB_ENV,
+                  `\nBETA_PACKAGE_VERSION=${match[1]}` +
+                  `\nWORKFLOW_RUN_PR=${match[2]}` +
+                  `\nWORKFLOW_RUN_ID=${context.payload.workflow_run.id}`
+                );
+                break;
+              }
+            }
+
+      - name: "Comment on PR with Link"
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          number: ${{ env.WORKFLOW_RUN_PR }}
+          message: |
+            A new @shadcn/ui prerelease is available for testing. You can install this latest build in your project with:
+
+            ```sh
+            pnpm @shadcn/ui@${{ env.BETA_PACKAGE_VERSION }}
+            ```
+
+      - name: "Remove the autorelease label once published"
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            github.rest.issues.removeLabel({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: ${{ env.WORKFLOW_RUN_PR }},
+              name: '🚀 autorelease',
+            });

.github/workflows/prerelease.yml

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+# Adapted from create-t3-app.
+
+name: Release - Beta
+
+on:
+  pull_request:
+    types: [labeled]
+    branches:
+      - main
+jobs:
+  prerelease:
+    if: |
+      github.repository_owner == 'shadcn' &&
+      contains(github.event.pull_request.labels.*.name, '🚀 autorelease')
+    name: Build & Publish a beta release to NPM
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Use PNPM
+        uses: pnpm/action-setup@v2.2.4
+
+      - name: Use Node.js 18
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: "pnpm"
+
+      - name: Install NPM Dependencies
+        run: pnpm install
+
+      - name: Modify package.json version
+        run: node .github/version-script-beta.js
+
+      - name: Authenticate to NPM
+        run: echo "//registry.npmjs.org/:_authToken=${{ secrets.NPM_ACCESS_TOKEN }}" > packages/cli/.npmrc
+
+      - name: Publish Beta to NPM
+        run: pnpm pub:beta
+        env:
+          NPM_PUBLISH_TOKEN: ${{ secrets.NPM_ACCESS_TOKEN }}
+
+      - name: get-npm-version
+        id: package-version
+        uses: martinbeentjes/npm-get-version-action@main
+        with:
+          path: packages/cli
+
+      - name: Upload packaged artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: npm-package-@shadcn\/ui@${{ steps.package-version.outputs.current-version }}-pr-${{ github.event.number }} # encode the PR number into the artifact name
+          path: packages/cli/dist/index.js

.github/workflows/release.yml

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+# Adapted from create-t3-app.
+
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    if: ${{ github.repository_owner == 'shadcn' }}
+    name: Create a PR for release workflow
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Use PNPM
+        uses: pnpm/action-setup@v2.2.4
+
+      - name: Use Node.js 18
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: "pnpm"
+
+      - name: Install NPM Dependencies
+        run: pnpm install
+
+      - name: Check for errors
+        run: pnpm check
+
+      - name: Build the package
+        run: pnpm build:cli
+
+      - name: Create Version PR or Publish to NPM
+        id: changesets
+        uses: changesets/action@v1.4.1
+        with:
+          commit: "chore(release): version packages"
+          title: "chore(release): version packages"
+          version: node .github/changeset-version.js
+          publish: npx changeset publish
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_ACCESS_TOKEN }}
+          NODE_ENV: "production"