Update github actions to cache yarn (Turfjs#2113)

* Update github actions to cache yarn Right now the yarn install time takes up over half of our build time, this will probably cut that down dramatically. I copy pasted it directly from their examples: https://github.com/actions/cache/blob/main/examples.md#node---yarn * wrecked by prettier Co-authored-by: Matt Fedderly <[email protected]>
Aryan-Mohanty · Jun 22, 2021 · a814ba2 · a814ba2
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commit a814ba2
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/.github/workflows/turf.yml b/.github/workflows/turf.yml
@@ -20,5 +20,20 @@ jobs:
         uses: actions/setup-node@v1
         with:
           node-version: ${{ matrix.node-version }}
+
+      # figure out the yarn cache directory
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      # cache the yarn data to speed up builds
+      - uses: actions/cache@v2
+        id: yarn-cache
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
       - run: yarn --frozen-lockfile
       - run: yarn test