feat: use GitHub actions instead of CircleCI (#2417)

.circleci/config.yml

-# Javascript Node CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-javascript/ for more details
-#
-version: 2.1
-
-defaults: &defaults
-  working_directory: ~/project
-  docker:
-    - image: circleci/node:latest
-
-jobs:
-
-  #------------------------------------------------------------
-  # 1. Install dependencies
-  #------------------------------------------------------------
-
-  install-dependencies:
-    <<: *defaults
-    steps:
-      - checkout
-
-      - restore_cache:
-          keys:
-            - v1-deps-{{ checksum "yarn.lock" }}
-            - v1-deps
-
-      - run:
-          name: 'Install dependencies'
-          command: yarn --frozen-lockfile --non-interactive
-
-      - save_cache:
-          key: v1-deps-{{ checksum "yarn.lock" }}
-          paths:
-            - ~/.cache/yarn
-
-      - persist_to_workspace:
-          root: ~/project
-          paths:
-            - node_modules
-            - packages/*/node_modules
-            - packages/@vuepress/*/node_modules
-
-  #------------------------------------------------------------
-  # 2. Run parallel jobs:
-  #   => tsc
-  #   => tests
-  #   => linter
-  #   => docs linter
-  #------------------------------------------------------------
-
-  run-tsc:
-    <<: *defaults
-    steps:
-      - checkout
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: 'Run tsc'
-          command: yarn tsc
-      - persist_to_workspace:
-          root: ~/project
-          paths:
-            - packages/@vuepress/shared-utils/lib
-
-  run-tests:
-    <<: *defaults
-    steps:
-      - checkout
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: 'Run tests'
-          command: yarn test
-
-  run-linter-check:
-    <<: *defaults
-    steps:
-      - checkout
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: 'Run linter'
-          command: yarn lint
-
-  run-docs-linter-check:
-    <<: *defaults
-    steps:
-      - checkout
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: 'Run md linter'
-          command: yarn workspace docs lint-md
-
-  #------------------------------------------------------------
-  # 3. Build VuePress
-  #------------------------------------------------------------
-
-  build:
-    <<: *defaults
-    steps:
-      - checkout
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: 'Run tests'
-          command: yarn build
-
-#------------------------------------------------------------
-# Workflows
-#------------------------------------------------------------
-
-workflows:
-  version: 2
-  build:
-    jobs:
-      - install-dependencies
-      - run-linter-check: { requires: [install-dependencies] }
-      - run-docs-linter-check: { requires: [install-dependencies] }
-      - run-tsc: { requires: [install-dependencies] }
-      - run-tests: { requires: [run-tsc] }
-      - build: { requires: [run-tests, run-linter-check, run-docs-linter-check] }

.github/workflows/pull-request-ci.yml

+name: Pull request workflow
+
+on:
+  pull_request:
+
+jobs:
+  pr:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: '12'
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+      - uses: actions/cache@v1
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-node-modules-${{ hashFiles('yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-node-modules-
+            ${{ runner.os }}-
+
+      - name: Install dependencies
+        if: steps.yarn-cache.outputs.cache-hit != 'true'
+        run: yarn
+
+      - name: Run tsc
+        run: yarn tsc
+
+      - name: Run unit tests
+        run: yarn test
+
+      - name: Check linter
+        run: yarn lint
+
+      - name: Check markdown linter
+        run: yarn workspace docs lint-md
+
+      - name: Build vuepress
+        run: yarn build 
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