Add lint, lint:fix and format:fix targets

.github/dependabot.yml

@@ -1,4 +1,4 @@
-# Keep GitHub Actions up to date with GitHub's Dependabot... 
+# Keep GitHub Actions up to date with GitHub's Dependabot...
 # https://docs.github.com/en/code-security/dependabot/working-with-dependabot/keeping-your-actions-up-to-date-with-dependabot
 # https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file#package-ecosystem
 version: 2
@@ -8,6 +8,6 @@ updates:
     groups:
       github-actions:
         patterns:
-          - "*"  # Group all Actions updates into a single larger pull request
+          - '*' # Group all Actions updates into a single larger pull request
     schedule:
       interval: weekly

.github/workflows/test.yml

@@ -21,6 +21,18 @@ on:
       - master
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22.x
+      - name: Install modules
+        run: yarn
+      - name: Lint code base
+        run: yarn lint
   test:
     runs-on: ${{ matrix.os }}
     strategy:

README.md

@@ -16,11 +16,11 @@ Visit the [npm package][releases] to find the latest version of this package.
 
 Visit [docs](https://grafana.com/docs/pyroscope/latest/configure-client/language-sdks/nodejs/) page for usage and configuration documentation.
 
-[Grafana Pyroscope]:https://grafana.com/oss/pyroscope/
-[@datadog/pprof]:https://github.com/DataDog/pprof-nodejs
-[v8-prof]:https://v8.dev/docs/profile
-[docs]:https://grafana.com/docs/pyroscope/latest/configure-client/language-sdks/nodejs
-[releases]:https://www.npmjs.com/package/@pyroscope/nodejs
+[Grafana Pyroscope]: https://grafana.com/oss/pyroscope/
+[@datadog/pprof]: https://github.com/DataDog/pprof-nodejs
+[v8-prof]: https://v8.dev/docs/profile
+[docs]: https://grafana.com/docs/pyroscope/latest/configure-client/language-sdks/nodejs
+[releases]: https://www.npmjs.com/package/@pyroscope/nodejs
 
 ## Maintainers
 

config/fileTransformer.js

@@ -1,9 +1,9 @@
 // source: https://jestjs.io/docs/code-transformation#examples
 
-const path = require('path');
+import 'path'
 
 module.exports = {
-  process(src, filename, config, options) {
-    return 'module.exports = ' + JSON.stringify(path.basename(filename)) + ';';
+  process(src, filename) {
+    return 'module.exports = ' + JSON.stringify(path.basename(filename)) + ';'
   },
-};
+}

config/tsconfig.jest.json

@@ -1,10 +1,9 @@
 {
-    "extends": "../tsconfig",
-    "compilerOptions": {
-      "module": "esnext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
-      "sourceMap": true, /* Generates corresponding source maps. */
-      "inlineSourceMap": true,
-      "moduleResolution": "node"
-    }
+  "extends": "../tsconfig",
+  "compilerOptions": {
+    "module": "esnext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
+    "sourceMap": true /* Generates corresponding source maps. */,
+    "inlineSourceMap": true,
+    "moduleResolution": "node"
   }
-  
+}

config/webpack.config.js

@@ -1,4 +1,4 @@
-const path = require('path')
+import 'path'
 
 module.exports = {
   mode: 'production',

package.json

@@ -19,6 +19,9 @@
     "build:types": "node tools/cleanup types && tsc -p config/tsconfig.types.json",
     "clean": "node tools/cleanup",
     "package": "npm run build && npm pack",
+    "format:fix": "prettier --write .",
+    "lint": "eslint --cache --ignore-path ./.gitignore --ext .js,.jsx,.ts,.tsx .",
+    "lint:fix": "yarn lint --fix",
     "test": "jest --no-cache --runInBand --forceExit --detectOpenHandles",
     "test:cov": "jest --coverage --no-cache --runInBand --forceExit --detectOpenHandles",
     "addscope": "node tools/packagejson name @pyroscope"

src/logger.ts

@@ -30,33 +30,27 @@ export interface Logger {
 }
 
 export class NullLogger implements Logger {
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  // eslint-disable-next-line @typescript-eslint/ban-types
+  // eslint-disable-next-line @typescript-eslint/ban-types, @typescript-eslint/no-unused-vars
   info(...args: Array<{}>): void {
     return
   }
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  // eslint-disable-next-line @typescript-eslint/ban-types
+  // eslint-disable-next-line @typescript-eslint/ban-types, @typescript-eslint/no-unused-vars
   error(...args: Array<{}>): void {
     return
   }
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  // eslint-disable-next-line @typescript-eslint/ban-types
+  // eslint-disable-next-line @typescript-eslint/ban-types, @typescript-eslint/no-unused-vars
   trace(...args: Array<{}>): void {
     return
   }
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  // eslint-disable-next-line @typescript-eslint/ban-types
+  // eslint-disable-next-line @typescript-eslint/ban-types, @typescript-eslint/no-unused-vars
   warn(...args: Array<{}>): void {
     return
   }
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  // eslint-disable-next-line @typescript-eslint/ban-types
+  // eslint-disable-next-line @typescript-eslint/ban-types, @typescript-eslint/no-unused-vars
   fatal(...args: Array<{}>): void {
     return
   }
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  // eslint-disable-next-line @typescript-eslint/ban-types
+  // eslint-disable-next-line @typescript-eslint/ban-types, @typescript-eslint/no-unused-vars
   debug(...args: Array<{}>): void {
     return
   }

tsconfig.json

@@ -5,12 +5,12 @@
     /* Basic Options */
     // "incremental": true,                   /* Enable incremental compilation */
     "target": "esnext" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
-    "module": "esnext",                  /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
+    "module": "esnext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
     // "lib": [],                             /* Specify library files to be included in the compilation. */
-    "allowJs": true,                       /* Allow javascript files to be compiled. */
+    "allowJs": true /* Allow javascript files to be compiled. */,
     // "checkJs": true,                       /* Report errors in .js files. */
     // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
-    "declaration": true,                      /* Generates corresponding '.d.ts' file. */
+    "declaration": true /* Generates corresponding '.d.ts' file. */,
     // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
     // "sourceMap": true,                     /* Generates corresponding '.map' file. */
     // "outFile": "./",                       /* Concatenate and emit output to single file. */
@@ -44,9 +44,9 @@
     "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
     // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
     "paths": {
-        "@pyroscope/nodejs": ["./src/"],
-        "@pyroscope/nodejs/*": ["./src/*"],
-    },                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+      "@pyroscope/nodejs": ["./src/"],
+      "@pyroscope/nodejs/*": ["./src/*"]
+    } /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */,
     // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
     // "typeRoots": [],                       /* List of folders to include type definitions from. */
     // "types": [],                           /* Type declaration files to be included in compilation. */