Fix ESM imports and tree-shaking

.eslintignore

@@ -0,0 +1,6 @@
+.eslintrc.cjs
+gulp
+jest.config.js
+jestconfigs
+targets
+integration

.eslintrc.js → .eslintrc.cjs

@@ -22,6 +22,7 @@ module.exports = {
         node: true,
     },
     parser: "@typescript-eslint/parser",
+    ignorePatterns: ["spec/bundle/**/*.js"],
     parserOptions: {
         project: "tsconfig.json",
         sourceType: "module",

.github/workflows/bundle.yml

@@ -0,0 +1,56 @@
+name: Bundle
+
+on:
+  workflow_call:
+
+jobs:
+  test-tree-shaking-pull-request:
+    name: ${{ matrix.bundler }} ${{ matrix.target }} ${{ matrix.module }}
+    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        bundler: [esbuild, rollup, webpack]
+        target: [es5, es2015, esnext]
+        module: [cjs, esm, umd]
+        include:
+          - {bundler: esbuild, target: ix}
+          - {bundler: rollup, target: ix}
+          - {bundler: webpack, target: ix}
+    steps:
+      - name: Setup node v20.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Construct cache keys
+        run: |
+          echo node_modules_key='["${{ runner.os }}", "node_modules", "20.x", "${{ hashFiles('package.json', 'yarn.lock') }}"]' >> $GITHUB_ENV;
+          echo targets_key='["${{ runner.os }}", "targets", "20.x", "ix", "", "${{ hashFiles('package.json', 'yarn.lock', 'tsconfig.json', 'src/**/*', 'tsconfigs/**/*') }}"]' >> $GITHUB_ENV;
+
+      - name: Cache targets
+        uses: actions/cache@v4
+        with:
+          key: ${{ join(fromJSON(env.targets_key), '-') }}
+          path: targets
+
+      - name: Cache node_modules
+        uses: actions/cache@v4
+        with:
+          key: ${{ join(fromJSON(env.node_modules_key), '-') }}
+          path: node_modules
+
+      - name: Test ${{ matrix.bundler }} tree-shaking
+        env:
+          t: "${{ matrix.target }}"
+          m: "${{ matrix.module }}"
+        run: |
+          integration/make-files-to-bundle.sh
+          if test "${t}" != ix; then
+            yarn build ${t:+-t ${t}} ${m:+-m ${m}}
+          fi
+          yarn gulp bundle${t:+:${t}}${m:+:${m}}:${{ matrix.bundler }}

.github/workflows/docs.yml

@@ -18,19 +18,21 @@ jobs:
     container: node:16.15.1-bullseye
     steps:
       - name: Checkout main
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: main
+          persist-credentials: false
       - name: Checkout gh-pages
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
           path: gh-pages
+          persist-credentials: false
       - name: Build Docs
         working-directory: main
         run: |
           set -x
-          yarn --ignore-optional --ignore-engines --non-interactive
+          yarn --ignore-engines --non-interactive
           yarn doc
       - name: Copy Docs to gh-pages
         run: |

.github/workflows/lint.yml

@@ -0,0 +1,43 @@
+name: Lint
+
+on:
+  workflow_call:
+
+jobs:
+  lint-pull-request:
+    name: Lint
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Setup node v20.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Construct cache keys
+        run: |
+          echo node_modules_key='["${{ runner.os }}", "node_modules", "20.x", "${{ hashFiles('package.json', 'yarn.lock') }}"]' >> $GITHUB_ENV;
+
+      - name: Cache node_modules
+        uses: actions/cache@v4
+        with:
+          key: ${{ join(fromJSON(env.node_modules_key), '-') }}
+          path: node_modules
+
+      - name: Check if source or test files changed
+        id: files_changed
+        uses: tj-actions/changed-files@v44
+        with:
+          files: |
+            src/**/*
+            spec/**/*
+
+      - name: Lint files
+        if: ${{ steps.files_changed.outputs.any_modified == 'true' }}
+        run: |
+          yarn --ignore-engines --non-interactive
+          yarn lint:ci

.github/workflows/main.pr.yml

@@ -1,4 +1,8 @@
-name: Build pull request
+name: PR
+
+concurrency:
+  group: pr-on-${{ github.event_name }}-from-${{ github.ref_name }}
+  cancel-in-progress: true
 
 on:
   pull_request:
@@ -7,106 +11,15 @@ on:
 
 jobs:
   lint-pull-request:
-    name: Lint pull request
-    runs-on: ubuntu-20.04
-    strategy:
-      fail-fast: true
-      matrix:
-        node: [18.x]
-    steps:
-      - name: Setup node v${{ matrix.node }}
-        uses: actions/setup-node@v3
-        with:
-          node-version: ${{ matrix.node }}
-
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Cache node_modules
-        uses: actions/cache@v2
-        with:
-          key: ${{ runner.os }}-node_modules-${{ matrix.node }}-${{ hashFiles('package.json') }}
-          path: |
-            node_modules
-
-      - name: Check if source or test files changed
-        id: files_changed
-        uses: tj-actions/changed-files@v41
-        with:
-          files: |
-            src/**/*
-            spec/**/*
-
-      - name: Install dependencies
-        if: ${{ steps.files_changed.outputs.any_changed == 'true' || steps.files_changed.outputs.any_deleted == 'true' }}
-        run: |
-          yarn
-
-      - name: Lint files
-        if: ${{ steps.files_changed.outputs.any_changed == 'true' || steps.files_changed.outputs.any_deleted == 'true' }}
-        run: |
-          yarn lint:ci
+    name: Lint
+    uses: ./.github/workflows/lint.yml
 
   build-and-test-pull-request:
-    needs:
-      - lint-pull-request
-    name: Build and test pull request
-    runs-on: ubuntu-20.04
-    strategy:
-      fail-fast: true
-      matrix:
-        node: [14.x, 16.x, 18.x]
-        module: [cjs, esm, umd]
-        target: [es5, es2015, esnext]
-        exclude:
-          - {node: 14.x, target: esnext}
-    steps:
-      - name: Setup node v${{ matrix.node }}
-        uses: actions/setup-node@v3
-        with:
-          node-version: ${{ matrix.node }}
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Cache targets
-        uses: actions/cache@v2
-        with:
-          key: ${{ runner.os }}-targets-${{ matrix.node }}-${{ matrix.target }}-${{ matrix.module }}-${{ hashFiles('package.json') }}
-          path: |
-            targets
-
-      - name: Cache node_modules
-        uses: actions/cache@v2
-        with:
-          key: ${{ runner.os }}-node_modules-${{ matrix.node }}-${{ matrix.target }}-${{ matrix.module }}-${{ hashFiles('package.json') }}
-          path: |
-            node_modules
-
-      - name: Check if test files changed
-        id: test_files_changed
-        uses: tj-actions/changed-files@v41
-        with:
-          files: |
-            spec/**/*
-
-      - name: Check if source files changed
-        id: source_files_changed
-        uses: tj-actions/changed-files@v41
-        with:
-          files: |
-            src/**/*
-
-      - name: Install dependencies
-        if: ${{ steps.test_files_changed.outputs.any_changed == 'true' || steps.test_files_changed.outputs.any_deleted == 'true' || steps.source_files_changed.outputs.any_changed == 'true' || steps.source_files_changed.outputs.any_deleted == 'true' }}
-        run: |
-          yarn --ignore-optional --ignore-engines --non-interactive
-
-      - name: Build package
-        if: ${{ steps.source_files_changed.outputs.any_changed == 'true' || steps.source_files_changed.outputs.any_deleted == 'true' }}
-        run: |
-          yarn build -t ${{ matrix.target }} -m ${{ matrix.module }}
-
-      - name: Test package
-        if: ${{ steps.test_files_changed.outputs.any_changed == 'true' || steps.test_files_changed.outputs.any_deleted == 'true' || steps.source_files_changed.outputs.any_changed == 'true' || steps.source_files_changed.outputs.any_deleted == 'true' }}
-        run: |
-          yarn test -t ${{ matrix.target }} -m ${{ matrix.module }}
+    name: Test
+    needs: lint-pull-request
+    uses: ./.github/workflows/test.yml
+
+  test-tree-shaking-pull-request:
+    needs: build-and-test-pull-request
+    name: Bundle
+    uses: ./.github/workflows/bundle.yml