init Counter writer

.gitignore

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+bun.lockb
+package-lock.json
+node_modules/
+.idea/
+._*
+.DS_Store

index.ts

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+import logger, {Writer, Level} from 'log'
+
+export * as log from 'log'
+export default logger
+
+export class Counter extends Writer {
+    private readonly calls = {
+        debug: 0,
+        trace: 0,
+        info: 0,
+        warn: 0,
+        error: 0,
+    }
+
+    public constructor() {
+        super({minLevel: Level.DEBUG, with_color: false});
+    }
+
+    protected write(level: Level, ..._data: any[]): void {
+        switch (level) {
+            case Level.DEBUG: this.calls.debug++; break
+            case Level.TRACE: this.calls.trace++; break
+            case Level.INFO: this.calls.info++; break
+            case Level.WARNING: this.calls.warn++; break
+            case Level.ERROR: this.calls.error++; break
+            default: throw new Error(`Unknown level: ${level}`)
+        }
+    }
+
+    public get count() {
+        return this.calls
+    }
+}

package.json

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+{
+  "name": "logger-counter",
+  "description": "Dummy logger that only counts logs sent, used for testing purposes.",
+  "version": "1.0.0",
+
+  "author": "Pascal Perrenoud <pascal@pband.ch>",
+
+  "module": "index.ts",
+  "type": "module",
+  "files": ["index.ts"],
+
+  "dependencies": {
+    "log": "git+git@git.pband.ch:typescript/log"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  }
+}

tsconfig.json

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+{
+  "compilerOptions": {
+    // Enable latest features
+    "lib": ["ESNext","dom"],
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleDetection": "force",
+    "allowJs": true,
+    "checkJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "forceConsistentCasingInFileNames": true,
+    "noPropertyAccessFromIndexSignature": false
+  },
+  
+  "include": [
+    "index.ts",
+  ]
+}