Switch to pnpm, ESLint 9, and helpful output

.github/workflows/action-format.yml

@@ -60,12 +60,14 @@ jobs:
           git clone $HEAD_REPO .
           git checkout -b "$HEAD_REF" "origin/$HEAD_REF"
 
-      - name: Use Node.js LTS (18.x)
-        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8
+      - name: Use Node.js LTS (20.x)
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
-          node-version: '18'
-      - name: Install project development dependencies
-        run: npm install --no-save
+          node-version: 20.x
+      - name: Enable pnpm
+        run: |
+          corepack enable pnpm
+          corepack pnpm -v
       - name: 'Format code'
         run: ./bin/format.sh
 

.github/workflows/ci.js.yml

@@ -12,14 +12,17 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
-      - name: Use Node.js LTS (18.x)
-        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+      - name: Use Node.js LTS
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
-          node-version: 18.x
+          node-version-file: .nvmrc
 
       - name: Install project dependencies
-        run: yarn install --immutable
+        run: |
+          corepack enable pnpm
+          corepack pnpm -v
+          corepack pnpm install --frozen-lockfile
 
       - name: Run exercism/javascript-test-runner ci precheck (lint code)
         run: bin/lint.sh
@@ -29,28 +32,31 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
 
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
           node-version: ${{ matrix.node-version }}
 
       - name: Install project dependencies
-        run: yarn install --immutable
+        run: |
+          corepack enable pnpm
+          corepack pnpm -v
+          corepack pnpm install --frozen-lockfile
 
       - name: Build the test-runner (using Node ${{ matrix.node-version }})
         run: bin/test.sh
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db
+        uses: docker/setup-buildx-action@4c0219f9ac95b02789c1075625400b2acbff50b1
         with:
           install: true
 
       - name: Build Docker image and store in cache
-        uses: docker/build-push-action@4f7cdeb0f05278b464e71357394bf2c61f94138e
+        uses: docker/build-push-action@16ebe778df0e7752d2cfcbd924afdbbd89c1a755
         with:
           context: .
           push: false

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

@@ -13,13 +13,16 @@ jobs:
       - name: Checkout PR
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
 
-      - name: Use Node.js LTS (18.x)
-        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8
+      - name: Use Node.js LTS
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
-          node-version: 18.x
+          node-version-file: .nvmrc
 
       - name: Install project dependencies
-        run: yarn install --immutable
+        run: |
+          corepack enable pnpm
+          corepack pnpm -v
+          corepack pnpm install --frozen-lockfile
 
       - name: Run exercism/javascript ci precheck (lint code)
         run: bin/lint.sh
@@ -29,30 +32,33 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
 
     steps:
       - name: Checkout PR
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
 
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8
+        uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
 
       - name: Install project dependencies
-        run: yarn install --immutable
+        run: |
+          corepack enable pnpm
+          corepack pnpm -v
+          corepack pnpm install --frozen-lockfile
 
       - name: Build the test-runner (using Node ${{ matrix.node-version }})
         run: bin/test.sh
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db
+        uses: docker/setup-buildx-action@4c0219f9ac95b02789c1075625400b2acbff50b1
         with:
           install: true
 
       - name: Build Docker image and store in cache
-        uses: docker/build-push-action@4f7cdeb0f05278b464e71357394bf2c61f94138e
+        uses: docker/build-push-action@16ebe778df0e7752d2cfcbd924afdbbd89c1a755
         with:
           context: .
           push: false

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

@@ -12,5 +12,15 @@ jobs:
       - name: 'Checkout code'
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
 
+      - name: Use Node.js LTS (20.x)
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
+        with:
+          node-version: 20.x
+
+      - name: Enable pnpm
+        run: |
+          corepack enable pnpm
+          corepack pnpm -v
+
       - name: 'Verify formatting of all files'
         run: ./bin/check-formatting.sh

.npmrc

@@ -0,0 +1,3 @@
+node-linker=hoisted
+symlink=false
+prefer-symlinked-executables=false

.nvmrc

@@ -0,0 +1 @@
+lts/*

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## 5.0.0
+
+- Update dependencies including core-js
+- Switch to pnpm
+- Rework `run.sh` for console friendly output
+- Use ESLint 9 (Flat Config)
+
 ## 4.0.0
 
 - Update dependencies including core-js

Dockerfile

@@ -1,6 +1,6 @@
-FROM node:18-bullseye-slim as runner
-# Node.js 18 (curently LTS)
-# Debian bullseye
+FROM node:20-bookworm-slim AS runner
+# Node.js 20 (curently LTS)
+# Debian bookwork
 
 # fetch latest security updates
 RUN set -ex; \
@@ -18,17 +18,41 @@ RUN adduser --disabled-password --gecos "" appuser
 WORKDIR /opt/test-runner
 COPY . .
 
+# Install pnpm so it will be available read-only
+# https://github.com/nodejs/corepack/issues/183#issue-1379672431
+# https://github.com/nodejs/corepack/blob/bc13d40037d0b1bfd386e260ae741f55505b5c7c/tests/main.test.ts#L483
+RUN mkdir -p /idk/corepack
+ENV COREPACK_HOME=/idk/corepack
+
+RUN set -ex; \
+  corepack enable pnpm; \
+  # corepack pack -o ./corepack.tgz; \
+  # COREPACK_ENABLE_NETWORK=0 corepack install -g ./corepack.tgz;
+  #
+  # https://github.com/nodejs/corepack/pull/446#issue-2218976611
+  corepack install; \
+  corepack pnpm --version; \
+  #
+  # https://github.com/nodejs/corepack/issues/414#issuecomment-2096218732
+  # https://github.com/nodejs/corepack/blob/bc13d40037d0b1bfd386e260ae741f55505b5c7c/sources/folderUtils.ts#L26-L31
+  chmod 444 /idk/corepack/lastKnownGood.json; \
+  chmod 555 /idk/corepack;
+
 # Build the test runner
 RUN set -ex; \
   # install all the development modules (used for building)
-  yarn plugin import workspace-tools; \
-  yarn install; \
-  yarn build; \
-  rm -rf node_modules; \
-  # install only the node_modules we need for production
-  yarn workspaces focus --production; \
-  # clean our yarn cache
-  yarn cache clean;
+  # corepack pnpm store prune; \
+  corepack pnpm install; \
+  corepack pnpm build; \
+  corepack pnpm prune --prod;
+
+# Disable network for corepack
+ENV COREPACK_ENABLE_NETWORK=0
+ENV COREPACK_ENABLE_STRICT=0
+
+# Mark this as a docker run so we don't try to execute things in /tmp
+ENV TMP_MAY_BE_NON_EXEC=1
 
+# Execute everything as the appuser
 USER appuser
 ENTRYPOINT [ "/opt/test-runner/bin/run.sh" ]