wiki/.github/workflows/deploy-preview.yml

# Deploy preview to Cloudflare Pages
name: Deploy preview

on:
  workflow_run:
    workflows: ["Build preview"]
    types:
      - completed

jobs:
  deploy:
    runs-on: ubuntu-latest
    if: >
      github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'success'

    permissions:
      issues: write
      deployments: write

    steps:
      - name: Download artifact
        uses: actions/github-script@v3.1.0
        with:
          script: |
            const artifacts = await github.actions.listWorkflowRunArtifacts({
               owner: context.repo.owner,
               repo: context.repo.repo,
               run_id: ${{github.event.workflow_run.id }},
            });
            const matchArtifact = artifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "build"
            })[0];
            const download = await github.actions.downloadArtifact({
               owner: context.repo.owner,
               repo: context.repo.repo,
               artifact_id: matchArtifact.id,
               archive_format: 'zip',
            });
            const fs = require('fs');
            fs.writeFileSync('${{github.workspace}}/build.zip', Buffer.from(download.data));
      - run: unzip build.zip -d build
      - name: Deploy preview to Cloudflare Pages
        id: deploy
        uses: cloudflare/pages-action@v1
        with:
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          projectName: wiki
          directory: build
          gitHubToken: ${{ secrets.GITHUB_TOKEN }} # GitHub Deployments
          wranglerVersion: "3"

      - name: "Comment on PR"
        uses: actions/github-script@v3
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const fs = require('fs');
            try {
              const issue_number = Number(fs.readFileSync('./build/PR_NR'));
              await github.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issue_number,
                body: "Preview URL: ${{ steps.deploy.outputs.alias }}"
              });
            } catch (err) {
              console.log(err);
            }