cache node deps

Author: kbond

.github/workflows/test.yaml

@@ -18,6 +18,16 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@master
+            - name: Get yarn cache directory path
+              id: yarn-cache-dir-path
+              run: echo "::set-output name=dir::$(yarn cache dir)"
+            - uses: actions/cache@v2
+              id: yarn-cache
+              with:
+                  path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+                  key: ${{ runner.os }}-yarn-${{ hashFiles('**/package.json') }}
+                  restore-keys: |
+                      ${{ runner.os }}-yarn-
             - run: yarn
             - run: yarn check-lint
             - run: yarn check-format
@@ -26,6 +36,16 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@master
+            - name: Get yarn cache directory path
+              id: yarn-cache-dir-path
+              run: echo "::set-output name=dir::$(yarn cache dir)"
+            - uses: actions/cache@v2
+              id: yarn-cache
+              with:
+                  path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+                  key: ${{ runner.os }}-yarn-${{ hashFiles('**/package.json') }}
+                  restore-keys: |
+                      ${{ runner.os }}-yarn-
             - run: yarn && yarn build
             - name: Check if js dist files are current
               id: changes
@@ -127,5 +147,15 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@master
+            - name: Get yarn cache directory path
+              id: yarn-cache-dir-path
+              run: echo "::set-output name=dir::$(yarn cache dir)"
+            - uses: actions/cache@v2
+              id: yarn-cache
+              with:
+                  path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+                  key: ${{ runner.os }}-yarn-${{ hashFiles('**/package.json') }}
+                  restore-keys: |
+                      ${{ runner.os }}-yarn-
             - run: yarn
             - run: yarn test