1npm query "#react"
2
3ผลลัพธ์ที่ได้คือ
4[
5  {
6    "name": "react",
7    "description": "React is a JavaScript library for building user interfaces.",
8    "keywords": [
9      "react"
10    ],
11    "version": "18.2.0",
12    // ....
13  }
14]

1# ดึง dependencies ทั้งหมดที่มี license เป็น MIT
2npm query "[license=MIT]"
3
4// ดึง dependencies ทั้งหมดที่ขึ้นต้นด้วย react
5npm query "[name=^=react]"

1// หาแพคเกจที่ใช้ได้กับ Node เวอร์ชั่น 10+
2npm query ':attr(engines, [node=">=10"])'

1[
2  // ...
3  {
4    "name": "cosmiconfig",
5    "version": "7.0.1",
6    "description": "Find and load configuration from a package.json property, rc file, or CommonJS module",
7    "main": "dist/index.js",
8    "types": "dist/index.d.ts",
9    "files": ["dist"]
10    // ...
11  },
12  {
13    "name": "yup",
14    "version": "0.32.11",
15    "description": "Dead simple Object schema validation",
16    "main": "lib/index.js",
17    "module": "es/index.js",
18    "runkitExampleFilename": "./runkit-example.js"
19    // ...
20  }
21  // ...
22]

1npm query ':attr(engines, [node=">=10"])' | jq 'map(.name)'

1["escape-string-regexp", "babel-plugin-macros", "cosmiconfig", "yup"]

1const Arborist = require('@npmcli/arborist');
2const arb = new Arborist({});
3
4arb.loadActual().then(async (tree) => {
5  const results = await tree.querySelectorAll(':attr(engines, [node=">=10"])');
6  console.log(results);
7});