chore: run knip without installing the repo

.github/workflows/ci.yml

@@ -32,14 +32,10 @@ jobs:
 
       - uses: pnpm/action-setup@1e1c8eafbd745f64b1ef30a7d7ed7965034c486c
         name: Install pnpm
-        with:
-          cache: true
-
-      - name: 📦 Install dependencies
-        run: pnpm install
+        # pnpm cache skipped deliberately as the project is not actually installed here
 
       - name: 🔠 Lint project
-        run: pnpm lint
+        run: node scripts/lint.ts
 
   test:
     runs-on: ubuntu-latest
@@ -132,11 +128,7 @@ jobs:
 
       - uses: pnpm/action-setup@1e1c8eafbd745f64b1ef30a7d7ed7965034c486c
         name: Install pnpm
-        with:
-          cache: true
+        # pnpm cache skipped deliberately as the project is not actually installed here
 
-      - name: 📦 Install dependencies
-        run: pnpm install
-
-      - name: 🔍 Check for unused code
-        run: pnpm knip
+      - name: 🔠 Lint project
+        run: node scripts/knip.ts

scripts/knip.ts

@@ -0,0 +1,11 @@
+/**
+ * This script runs knip in a CI environment, without the need to install the entire project. It
+ * reads the required version from pnpm-lock.yaml and executes the linter accordingly. It's "stupid
+ * by design" so it could work in minimal Node.js environments.
+ */
+
+import { getDependencyVersion, runCommand } from './utils.ts'
+
+const knipVersion = getDependencyVersion('knip')
+
+runCommand('pnpx', [`knip@${knipVersion}`])

scripts/lint.ts

@@ -0,0 +1,17 @@
+/**
+ * This script runs oxlint and oxfmt in a CI environment, without the need to install the entire
+ * project. It reads the required version from pnpm-lock.yaml and executes the linters accordingly.
+ * It's "stupid by design" so it could work in minimal Node.js environments.
+ */
+
+import { readFileSync } from 'node:fs'
+import { getDependencyVersion, runCommand } from './utils.ts'
+
+const lockfileContent = readFileSync('pnpm-lock.yaml', 'utf8')
+const lines = lockfileContent.split(/\n/)
+
+const oxlintVersion = getDependencyVersion('oxlint')
+const oxfmtVersion = getDependencyVersion('oxfmt')
+
+runCommand('pnpx', [`oxlint@${oxlintVersion}`])
+runCommand('pnpx', [`oxfmt@${oxfmtVersion}`, '--check'])

scripts/utils.ts

@@ -0,0 +1,27 @@
+import { spawnSync } from 'node:child_process'
+import { readFileSync } from 'node:fs'
+
+const lockfileContent = readFileSync('pnpm-lock.yaml', 'utf8')
+const lines = lockfileContent.split(/\n/)
+
+export function getDependencyVersion(dependencyName: string): string {
+  const versionRegex = new RegExp(`^\\s+${dependencyName}@([^\\s]+):`)
+
+  for (let index = 0; index < lines.length; index += 1) {
+    const match = lines[index].match(versionRegex)
+
+    if (match) {
+      return match[1]
+    }
+  }
+
+  throw new Error(`Could not resolve ${dependencyName} version from pnpm-lock.yaml.`)
+}
+
+export function runCommand(command: string, args: string[]) {
+  const result = spawnSync(command, args, { stdio: 'inherit' })
+
+  if (result.status) {
+    process.exit(result.status)
+  }
+}