npm

可以在浏览器控制台,使用npm安装任意依赖包,比如安装JQuery可以使用: npm('JQuery')!

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         npm
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  可以在浏览器控制台,使用npm安装任意依赖包,比如安装JQuery可以使用: npm('JQuery')!
// @author       zhangqd
// @match        https://www.bing.com/search?q=Console%20Importer&mkt=zh-CN
// @icon         https://blog.nativescript.org/images/0tw5g4s3bv4xoxr6espf.png
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';
    // 存储原始传入的名称
    let pkg_name_origin = null;
    const npmInstall = (originName) => {
        // Trim string
        const name = originName.trim();
        pkg_name_origin = name;
        // 三种引入方式
        // 如果是一个有效的URL,直接通过<script />标签插入
        if (/^https?:\/\//.test(name)) return injectScript(name);
        // 如果指定了版本,尝试使用unpkg加载
        if (name.indexOf('@') !== -1) return unpkg(name);
        // 否则,尝试使用cdnjs搜索
        return cdnjs(name);
    };

    // 在页面中插入<script />标签
    const injectScript = (url) => {
        const script = document.createElement('script');
        script.src = url;
        script.onload = () => {
            console.log(pkg_name_origin, ' 安装成功。');
        };
        script.onerror = () => {
            console.log(pkg_name_origin, ' 安装失败。');
        };
        document.body.appendChild(script);
        // document.body.removeChild(script);
    };

    const unpkg = (name) => {
        injectScript(`https://unpkg.com/${name}`);
    };

    const cdnjs = async (name) => {
        const searchPromise = await fetch(
            `https://api.cdnjs.com/libraries?search=${name}`,
            // 不显示referrer的任何信息在请求头中
            { referrerPolicy: 'no-referrer' }
        );
        const { results, total } = await searchPromise.json();
        if (total === 0) {
            console.error('Sorry, ', name, ' not found, please try another keyword.');
            return;
        }

        // 取结果中最相关的一条
        const { name: exactName, latest: url } = results[0];
        if (name !== exactName) {
            console.log(name, ' not found, import ', exactName, ' instead.');
        }
        // 通过<script />标签插入
        injectScript(url);
    };
    globalThis.npm = npmInstall
    // Your code here...
})();