Migrate to a Cloudflare Worker

.editorconfig

@@ -12,3 +12,6 @@ insert_final_newline = true
 [Makefile]
 indent_style = tab
 indent_size = tab
+
+[*.yml]
+indent_size = 2

.eslintrc.cjs

@@ -0,0 +1,223 @@
+module.exports = {
+    root: true,
+    env: {
+        browser: true,
+        es2022: true,
+    },
+    parser: '@babel/eslint-parser',
+    parserOptions: {
+        sourceType: 'module',
+        requireConfigFile: false,
+    },
+    plugins: [
+        'jsdoc',
+    ],
+    extends: [
+        'eslint:recommended',
+        'plugin:import/recommended',
+        'plugin:jsdoc/recommended',
+    ],
+    settings: {
+        jsdoc: {
+            mode: 'typescript',
+            preferredTypes: {
+                object: 'Object',
+                'Array<>': '[]',
+                'Array.<>': '[]',
+                'Object.<>': '<>',
+            },
+            tagNamePreference: {
+                returns: 'return',
+                augments: 'extends',
+            },
+        },
+    },
+    rules: {
+        'space-before-function-paren': [
+            'error',
+            {
+                anonymous: 'always',
+                named: 'never',
+                asyncArrow: 'always',
+            },
+        ],
+        'arrow-parens': [
+            'error',
+            'as-needed',
+        ],
+        'arrow-body-style': [
+            'error',
+            'as-needed',
+        ],
+        'arrow-spacing': 'error',
+        'object-curly-spacing': [
+            'error',
+            'always',
+        ],
+        'array-bracket-spacing': [
+            'error',
+            'always',
+        ],
+        'no-console': 'off',
+        'no-var': 'error',
+        'prefer-const': 'error',
+        indent: [
+            'error',
+            4,
+        ],
+        semi: [
+            'error',
+            'always',
+        ],
+        quotes: [
+            'error',
+            'single',
+            'avoid-escape',
+        ],
+        'quote-props': [
+            'error',
+            'as-needed',
+        ],
+        'object-curly-newline': [
+            'error',
+            {
+                multiline: true,
+                consistent: true,
+            },
+        ],
+        'comma-dangle': [
+            'error',
+            'always-multiline',
+        ],
+        'comma-spacing': [
+            'error',
+            {
+                before: false,
+                after: true,
+            },
+        ],
+        'comma-style': [
+            'error',
+            'last',
+        ],
+        'eol-last': 'error',
+        'key-spacing': [
+            'error',
+            {
+                beforeColon: false,
+                afterColon: true,
+            },
+        ],
+        'keyword-spacing': [
+            'error',
+            {
+                before: true,
+                after: true,
+            },
+        ],
+        'block-spacing': 'error',
+        'space-in-parens': [
+            'error',
+            'never',
+        ],
+        'space-before-blocks': 'error',
+        'no-trailing-spaces': 'error',
+        'semi-spacing': [
+            'error',
+            {
+                before: false,
+                after: true,
+            },
+        ],
+        'space-infix-ops': 'error',
+        'linebreak-style': [
+            'error',
+            'unix',
+        ],
+        'max-len': [
+            'error',
+            {
+                code: 120,
+                ignoreComments: true,
+                ignoreStrings: true,
+                ignoreTemplateLiterals: true,
+            },
+        ],
+        'no-param-reassign': [
+            'error',
+            {
+                props: false,
+            },
+        ],
+        'no-unused-vars': [
+            'error',
+        ],
+        'no-unused-expressions': [
+            'error',
+            {
+                allowTaggedTemplates: true,
+            },
+        ],
+        'import/order': [
+            'error',
+            {
+                alphabetize: {
+                    order: 'asc',
+                    caseInsensitive: true,
+                },
+                'newlines-between': 'always',
+            },
+        ],
+        'import/no-unresolved': [
+            'error',
+            {
+                ignore: [
+                    '^hono/',
+                ],
+            },
+        ],
+        'jsdoc/require-returns-description': 'off',
+        'jsdoc/tag-lines': 'off',
+        'jsdoc/no-undefined-types': [
+            'error',
+            {
+                definedTypes: [
+                    'RequestInit',
+                    'RequestInfo',
+                ],
+            },
+        ],
+        'jsdoc/require-jsdoc': [
+            'error',
+            {
+                require: {
+                    ArrowFunctionExpression: true,
+                    ClassDeclaration: true,
+                    ClassExpression: true,
+                    FunctionDeclaration: true,
+                    FunctionExpression: true,
+                    MethodDefinition: true,
+                },
+            },
+        ],
+    },
+    overrides: [
+        {
+            files: [ '**/spec/**/*.js', '**/*.spec.js' ],
+            rules: {
+                'no-unused-expressions': 'off',
+                'jsdoc/require-jsdoc': 'off',
+            },
+        },
+        {
+            files: [ '*.cjs' ],
+            parserOptions: {
+                sourceType: 'script',
+            },
+            env: {
+                node: true,
+                es2022: true,
+            },
+        },
+    ],
+};

.github/workflows/production-workflow.yml

@@ -0,0 +1,60 @@
+name: Deploy to Production
+
+on:
+  push:
+    branches:
+      - production
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Commit
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0 # Get the full history for the Sentry release commit log
+
+      - name: Install Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version-file: .nvmrc
+          cache: npm
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Run Tests
+        run: npm test
+
+      - name: Prepare Wrangler Config
+        run: |
+          SENTRY_DSN=$(printf '%s\n' "${{ secrets.SENTRY_DSN }}" | sed -e 's/[\/&]/\\&/g')
+          sed -i "s/SENTRY_DSN = \"\"/SENTRY_DSN = \"$SENTRY_DSN\"/g" wrangler.toml
+
+          SENTRY_RELEASE=$(printf '%s\n' "${{ github.sha }}" | sed -e 's/[\/&]/\\&/g')
+          sed -i "s/SENTRY_RELEASE = \"\"/SENTRY_RELEASE = \"$SENTRY_RELEASE\"/g" wrangler.toml
+
+      - name: Deploy to Production
+        run: npx wrangler publish --env production --outdir dist-worker --minify
+        env:
+          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN_PRODUCTION }}
+          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID_PRODUCTION }}
+
+      - name: Prepare Sentry Release
+        run: |
+          mv dist-worker/index.js dist-worker/worker.js
+          mv dist-worker/index.js.map dist-worker/worker.js.map
+
+      - name: Create Sentry Release
+        uses: getsentry/action-release@v1
+        env:
+          SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
+          SENTRY_ORG: ${{ secrets.SENTRY_ORG }}
+          SENTRY_PROJECT: ${{ secrets.SENTRY_PROJECT }}
+        with:
+          url_prefix: /
+          ignore_missing: true
+          version: ${{ github.sha }}
+          environment: production
+          sourcemaps: dist-worker