Simplify toolchain, use Yarn 4 / PnP / ESLint 9 (#40)

* Add changelog entry

* Reconfigure mocks

* Upgrade workflows

* Exclude from prettier

Author: SleeplessByte

.eslintignore

@@ -1,4 +1,4 @@
-name: 'Format code'
+name: 'javascript-lib-static-analysis / format'
 
 on:
   issue_comment:
@@ -7,16 +7,16 @@ on:
 jobs:
   format:
     name: 'Format code'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/format')
     steps:
       - name: 'Post acknowledgement that it will format code'
         continue-on-error: true # Never fail the build if this fails
-        uses: actions/github-script@6e5ee1dc1cb3740e5e5e76ad668e3f526edbfe45 # 2.0.0
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
-            github.issues.createComment({
+            github.rest.issues.createComment({
               issue_number: context.issue.number,
               owner: context.repo.owner,
               repo: context.repo.repo,
@@ -34,7 +34,7 @@ jobs:
         id: fork_status
         run: |
           IS_FORK="$(jq '.head.repo.fork' "/tmp/pr.json")"
-          echo "::set-output name=fork::$IS_FORK"
+          echo "fork=$IS_FORK" >> "$GITHUB_OUTPUT"
 
       - name: 'Setup SSH deploy key'
         if: steps.fork_status.outputs.fork == 'false'
@@ -60,6 +60,10 @@ jobs:
           git clone $HEAD_REPO .
           git checkout -b "$HEAD_REF" "origin/$HEAD_REF"
 
+      - name: Use Node.js LTS (20.x)
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
+        with:
+          node-version: 20.x
       - name: 'Format code'
         run: ./bin/format.sh
 
@@ -82,11 +86,11 @@ jobs:
 
       - name: 'Post acknowledgement that it has formatted the code'
         continue-on-error: true # Never fail the build if this fails
-        uses: actions/github-script@6e5ee1dc1cb3740e5e5e76ad668e3f526edbfe45 # 2.0.0
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
-            github.issues.createComment({
+            github.rest.issues.createComment({
               issue_number: context.issue.number,
               owner: context.repo.owner,
               repo: context.repo.repo,
@@ -96,11 +100,11 @@ jobs:
       - name: 'Post reminder to trigger build manually'
         continue-on-error: true # Never fail the build if this fails
         if: steps.fork_status.outputs.fork == 'true'
-        uses: actions/github-script@6e5ee1dc1cb3740e5e5e76ad668e3f526edbfe45 # 2.0.0
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
-            github.issues.createComment({
+            github.rest.issues.createComment({
               issue_number: context.issue.number,
               owner: context.repo.owner,
               repo: context.repo.repo,

.eslintrc.js

@@ -9,34 +9,34 @@ on:
 
 jobs:
   precheck:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v2
-      - name: Use Node.js LTS (16.x)
-        uses: actions/setup-node@v1
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - name: Use Node.js LTS (20.x)
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
-          node-version: 16.x
+          node-version: 20.x
 
       - name: Install project dependencies
-        run: yarn install --frozen-lockfile --ignore-scripts
+        run: yarn install --immutable
 
       - name: Lint code
         run: yarn lint
 
   ci:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     strategy:
       matrix:
-        node-version: [14.x, 16.x]
+        node-version: [20.x, 22.x]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
           node-version: ${{ matrix.node-version }}
 
       - name: Install project dependencies and run tests
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable

.github/workflows/format-code.yml renamed to .github/workflows/action-format.yml

@@ -7,38 +7,38 @@ on: pull_request
 
 jobs:
   precheck:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout PR
-        uses: actions/checkout@v2
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
 
-      - name: Use Node.js LTS (16.x)
-        uses: actions/setup-node@v1
+      - name: Use Node.js LTS (20.x)
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
-          node-version: 16.x
+          node-version: 20.x
 
       - name: Install project dependencies
-        run: yarn install --frozen-lockfile --ignore-scripts
+        run: yarn install --immutable
 
       - name: Lint code
         run: yarn lint
 
   ci:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     strategy:
       matrix:
-        node-version: [14.x, 16.x]
+        node-version: [20.x, 22.x]
 
     steps:
       - name: Checkout PR
-        uses: actions/checkout@v2
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
 
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
           node-version: ${{ matrix.node-version }}
 
       - name: Install project dependencies and run tests
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable

.github/workflows/ci.js.yml

@@ -7,10 +7,10 @@ on:
 
 jobs:
   verify:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: 'Checkout code'
-        uses: actions/checkout@v2
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
 
       - name: 'Verify formatting of all files'
         run: ./bin/check-formatting.sh

.github/workflows/pr.ci.js.yml

@@ -1,2 +1,10 @@
 /node_modules
 /dist
+
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions

.github/workflows/verify-code-formatting.yml

@@ -1,9 +1,11 @@
 /dist
 /test/fixtures
 
+/.vscode
+/.yarn
+
 # These are org-wide files (https://github.com/exercism/org-wide-files/)
 /.github/labels.yml
 /.github/workflows/sync-labels.yml
-
 /CODE_OF_CONDUCT.md
-/LICENSE
+/LICENSE

.gitignore

@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "arcanis.vscode-zipfs",
+    "dbaeumer.vscode-eslint",
+    "esbenp.prettier-vscode"
+  ]
+}

.prettierignore

@@ -0,0 +1,11 @@
+{
+  "search.exclude": {
+    "**/.yarn": true,
+    "**/.pnp.*": true
+  },
+  "eslint.nodePath": ".yarn/sdks",
+  "prettier.prettierPath": ".yarn/sdks/prettier/index.cjs",
+  "typescript.tsdk": ".yarn/sdks/typescript/lib",
+  "typescript.enablePromptUseWorkspaceTsdk": true,
+  "cSpell.words": ["Klazz"]
+}