apply-updates.yml

name: Generate exports & Publish NPM package

on:
  push:
  workflow_dispatch:
  workflow_run:
    workflows: ["Keep Google Material Icons up-to-date"]
    types: [completed]

jobs:
  apply-updates:
    if: github.ref == 'refs/heads/main'
    name: Push changes & publish NPM package
    runs-on: ubuntu-latest
    steps:
      - name: Check out this repo
        uses: actions/checkout@v2

      - uses: actions/github-script@v4
        name: Get version from package.json
        id: package-json
        with:
          script: |-
            const fs = require('fs');

            const packageJson = JSON.parse(fs.readFileSync('./package.json'));
            core.setOutput('version', packageJson.version);

      - uses: actions/github-script@v4
        name: Generate re-exports
        with:
          script: |-
            const path = require('path');
            const fs = require('fs');

            const ICONS_ROOT = './icons';

            let indexJsContent = '';

            const exportsContents = {
              animated: '',
              baseline: '',
              outline: '',
              round: '',
              sharp: '',
              twotone: '',
            };

            const globber = await glob.create(
              `${ICONS_ROOT}/**/*.svg`,
              { implicitDescendants: false },
            );

            for await (const file of globber.globGenerator()) {
              const relativePath = path.relative(ICONS_ROOT, file)

              const exportName = relativePath
                .replace(/[\/_-]./g, group => group[1].toUpperCase())
                .slice(0, -4);

              let [,, iconVariation] = relativePath.split('/');
              iconVariation = iconVariation.replace(/_thin|.svg/g, '');

              exportsContents[iconVariation] += `export { default as ${exportName} } from '${ICONS_ROOT}/${relativePath}';\n`;
            }

            for (const [variation, contents] of Object.entries(exportsContents)) {
              indexJsContent += `export * from './${variation}.js';\n`;
              fs.writeFileSync(`./${variation}.js`, contents);
            }

            fs.writeFileSync('./index.js', indexJsContent);

      - name: Commit and push if changed
        run: |-
          git config user.name "GitHub Actions"
          git config user.email "actions@users.noreply.github.com"
          git add *.js package.json

          git commit -m "Generate exports for v${{ steps.package-json.outputs.version }}" || true
          git push --force origin main

          git tag "${{ steps.package-json.outputs.version }}"
          git push --force origin "${{ steps.package-json.outputs.version }}"
      
      - name: Publish NPM package
        uses: JS-DevTools/npm-publish@v1
        with:
          token: ${{ secrets.NPM_TOKEN }}
          access: "public"
          dry-run: false
          check-version: true