ci: use github actions instead of travis-ci (#344)

.github/workflows/main.pr.yml

@@ -0,0 +1,110 @@
+name: Build pull request
+
+on:
+  pull_request:
+    branches:
+      - "master"
+
+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@v9.1
+        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: ${{ steps.files_changed.outputs.any_changed == 'true' || steps.files_changed.outputs.any_deleted == 'true' }}
+        run: |
+          yarn lint
+
+  build-and-test-pull-request:
+    needs:
+      - lint-pull-request
+    name: Build and test pull request
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: true
+      matrix:
+        node: [14.x, 16.x, 18.x]
+        module: [cjs, esm, umd]
+        target: [es5, es2015, esnext]
+    steps:
+      - name: Setup node v${{ 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@v9.1
+        with:
+          files: |
+            spec/**/*
+
+      - name: Check if source files changed
+        id: source_files_changed
+        uses: tj-actions/changed-files@v9.1
+        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
+
+      - 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 }}