ci: define Node version using environment variables

Author: Alfred-Skyblue

.github/workflows/canary.yml

@@ -5,6 +5,9 @@ on:
     - cron: 0 1 * * MON
   workflow_dispatch:
 
+env:
+  NODE_VERSION: 18
+
 jobs:
   canary:
     # prevents this action from running on forks
@@ -17,10 +20,10 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v2
 
-      - name: Set node version to 18
+      - name: Set node version to ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: ${{ env.NODE_VERSION }}
           registry-url: 'https://registry.npmjs.org'
           cache: 'pnpm'
 

.github/workflows/ci.yml

@@ -10,6 +10,9 @@ on:
 permissions:
   contents: read # to fetch code (actions/checkout)
 
+env:
+  NODE_VERSION: 18
+
 jobs:
   unit-test:
     runs-on: ubuntu-latest
@@ -20,10 +23,10 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v2
 
-      - name: Set node version to 18
+      - name: Set node version to ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: ${{ env.NODE_VERSION }}
           cache: 'pnpm'
 
       - name: Skip Puppeteer download
@@ -43,10 +46,10 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v2
 
-      - name: Set node version to 18
+      - name: Set node version to ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: ${{ env.NODE_VERSION }}
           cache: 'pnpm'
 
       - name: Skip Puppeteer download
@@ -75,10 +78,10 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v2
 
-      - name: Set node version to 18
+      - name: Set node version to ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: ${{ env.NODE_VERSION }}
           cache: 'pnpm'
 
       - run: pnpm install
@@ -95,10 +98,10 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v2
 
-      - name: Set node version to 18
+      - name: Set node version to ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: ${{ env.NODE_VERSION }}
           cache: 'pnpm'
 
       - name: Skip Puppeteer download
@@ -126,10 +129,10 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v2
 
-      - name: Set node version to 18
+      - name: Set node version to ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: ${{ env.NODE_VERSION }}
           cache: 'pnpm'
 
       - run: PUPPETEER_SKIP_DOWNLOAD=1 pnpm install