feat: add licenses command (#5567)

Introduces a new command `licenses list` which allows to list
the licenses of the packages

close #2825

.changeset/nice-cycles-search.md

@@ -0,0 +1,7 @@
+---
+'@pnpm/license-scanner': major
+'@pnpm/plugin-commands-licenses': major
+"pnpm": minor
+---
+
+Added a new command `pnpm licenses list`, which displays the licenses of the packages [#2825](https://github.com/pnpm/pnpm/issues/2825)

packages/license-scanner/README.md

@@ -0,0 +1,17 @@
+# @pnpm/license-scanner
+
+> Check for the licensse of packages
+
+<!--@shields('npm')-->
+[![npm version](https://img.shields.io/npm/v/@pnpm/license-scanner.svg)](https://www.npmjs.com/package/@pnpm/license-scanner)
+<!--/@-->
+
+## Installation
+
+```sh
+pnpm add @pnpm/license-scanner
+```
+
+## License
+
+[MIT](LICENSE)

packages/license-scanner/jest.config.js

@@ -0,0 +1 @@
+module.exports = require('../../jest.config.js');

packages/license-scanner/package.json

@@ -0,0 +1,63 @@
+{
+  "name": "@pnpm/license-scanner",
+  "version": "0.0.0",
+  "description": "Check for licenses packages",
+  "main": "lib/index.js",
+  "types": "lib/index.d.ts",
+  "engines": {
+    "node": ">=14.6"
+  },
+  "files": [
+    "lib",
+    "!*.map"
+  ],
+  "scripts": {
+    "test": "pnpm run compile && pnpm run _test",
+    "lint": "eslint src/**/*.ts test/**/*.ts",
+    "prepublishOnly": "pnpm run compile",
+    "registry-mock": "registry-mock",
+    "test:jest": "jest",
+    "_test": "jest",
+    "test:e2e": "registry-mock prepare && run-p -r registry-mock test:jest",
+    "compile": "tsc --build && pnpm run lint --fix"
+  },
+  "repository": "https://github.com/pnpm/pnpm/blob/main/packages/license-scanner",
+  "keywords": [
+    "pnpm7",
+    "pnpm",
+    "licenses"
+  ],
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/pnpm/pnpm/issues"
+  },
+  "homepage": "https://github.com/pnpm/pnpm/blob/main/packages/license-scanner#readme",
+  "peerDependencies": {
+    "@pnpm/logger": "^5.0.0"
+  },
+  "dependencies": {
+    "@pnpm/cafs": "workspace:*",
+    "@pnpm/directory-fetcher": "workspace:*",
+    "@pnpm/error": "workspace:*",
+    "@pnpm/lockfile-file": "workspace:*",
+    "@pnpm/lockfile-types": "workspace:*",
+    "@pnpm/lockfile-utils": "workspace:*",
+    "@pnpm/lockfile-walker": "workspace:*",
+    "@pnpm/package-is-installable": "workspace:*",
+    "@pnpm/read-package-json": "workspace:*",
+    "@pnpm/types": "workspace:*",
+    "dependency-path": "workspace:*",
+    "load-json-file": "^6.2.0",
+    "p-limit": "^3.1.0",
+    "path-absolute": "^1.0.1"
+  },
+  "devDependencies": {
+    "@pnpm/constants": "workspace:*",
+    "@pnpm/license-scanner": "workspace:*",
+    "@types/ramda": "0.28.15"
+  },
+  "funding": "https://opencollective.com/pnpm",
+  "exports": {
+    ".": "./lib/index.js"
+  }
+}