在 NPM 包页面添加更多安装命令

在 NPM 包页面添加多个包管理器安装命令(yarn、pnpm、bun)。支持常规依赖和开发依赖,提供一键复制功能。

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name               Add More Install Commands On NPM Package Page
// @name:zh-CN         在 NPM 包页面添加更多安装命令
// @namespace          tinywaves
// @version            0.0.2
// @description        Enhances NPM package pages by adding multiple package manager install commands (yarn, pnpm, bun) alongside the default npm command. Supports both regular and dev dependencies with one-click copy functionality.
// @description:zh-CN  在 NPM 包页面添加多个包管理器安装命令(yarn、pnpm、bun)。支持常规依赖和开发依赖,提供一键复制功能。
// @author             tinywaves · https://github.com/tinywaves
// @author:zh-CN       tinywaves · https://github.com/tinywaves
// @match              https://www.npmjs.com/package/*
// @icon               https://static-production.npmjs.com/1996fcfdf7ca81ea795f67f093d7f449.png
// @icon:zh-CN         https://static-production.npmjs.com/1996fcfdf7ca81ea795f67f093d7f449.png
// @grant              none
// @license            MIT
// ==/UserScript==

(() => {
  'use strict';

  const showToast = (message) => {
    const existingToast = document.querySelector('.npm-toast');
    if (existingToast) {
      existingToast.remove();
    }

    const toast = document.createElement('div');
    toast.className = 'npm-toast';
    Object.assign(toast.style, {
      position: 'fixed',
      top: '20px',
      left: '50%',
      transform: 'translateX(-50%)',
      backgroundColor: '#f8f9fa',
      border: '1px solid #e9ecef',
      borderRadius: '20px',
      padding: '8px 16px',
      boxShadow: '0 4px 12px rgba(0, 0, 0, 0.15)',
      zIndex: '10000',
      display: 'flex',
      alignItems: 'center',
      justifyContent: 'center',
      fontSize: '14px',
      color: '#212529',
      opacity: '0',
      transition: 'opacity 0.3s ease-in-out',
    });

    const text = document.createElement('span');
    text.textContent = message;
    toast.appendChild(text);
    document.body.appendChild(toast);

    setTimeout(() => (toast.style.opacity = '1'), 10);

    setTimeout(() => {
      toast.style.opacity = '0';
      setTimeout(() => {
        if (toast.parentNode) {
          toast.parentNode.removeChild(toast);
        }
      }, 300);
    }, 3000);
  };

  const waitForElement = (text, options) => {
    options = options || {};
    const containerSelector = options.containerSelector;
    const exact = options.exact || false;
    const timeout = options.timeout || 5000;
    const container = containerSelector ? document.querySelector(containerSelector) : document.body;

    if (!container) {
      return Promise.reject('Container not found');
    }

    const matchFn = (el) => {
      if (!el.textContent) {
        return false;
      }
      return exact ? el.textContent.trim() === text : el.textContent.includes(text);
    };

    const found = Array.from(container.querySelectorAll('*')).find(matchFn);
    if (found) {
      return Promise.resolve(found);
    }

    return new Promise((resolve, reject) => {
      const observer = new MutationObserver((mutations) => {
        for (let i = 0; i < mutations.length; i++) {
          const mutation = mutations[i];
          for (let j = 0; j < mutation.addedNodes.length; j++) {
            const node = mutation.addedNodes[j];
            if (!(node instanceof HTMLElement)) {
              continue;
            }
            if (matchFn(node)) {
              observer.disconnect();
              clearTimeout(timer);
              return resolve(node);
            }
            const child = node.querySelector('*');
            if (child && matchFn(child)) {
              observer.disconnect();
              clearTimeout(timer);
              return resolve(child);
            }
          }
        }
      });

      observer.observe(container, { childList: true, subtree: true });

      const timer = setTimeout(() => {
        observer.disconnect();
        reject('Element not found within timeout');
      }, timeout);
    });
  };

  const createInstallCommandElement = (nextElement, commandText, packageName) => {
    const clonedNextElement = nextElement.cloneNode(true);
    const clonedNextCodeElement = clonedNextElement.querySelector('code');
    if (clonedNextCodeElement) {
      clonedNextCodeElement.textContent = commandText;
    }

    const button = clonedNextElement.querySelector('button');
    if (button) {
      button.addEventListener('click', () => {
        navigator.clipboard
          .writeText(commandText)
          .then(() => showToast(`${packageName} install command copied!`))
          .catch(() => showToast(`${packageName} install command copy failed`));
      });
    }

    return clonedNextElement;
  };

  waitForElement('Install', { exact: true })
    .then((el) => {
      const nextElement = el.nextElementSibling;
      if (!nextElement) {
        return;
      }
      const nextCodeElement = nextElement.querySelector('code');
      if (!nextCodeElement) {
        return;
      }

      const text = nextCodeElement.textContent;
      const textSplits = text.split(' ');
      const packageName = textSplits[2];
      if (!packageName) {
        return;
      }

      [
        'yarn add <> -D',
        'yarn add <>',
        'bun add <> -D',
        'bun add <>',
        'pnpm add <> -D',
        'pnpm add <>',
      ].forEach((command) => {
        const commandText = `${command.replace('<>', packageName)}`;
        el.parentNode.insertBefore(
          createInstallCommandElement(nextElement, commandText, packageName),
          el.nextSibling
        );
      });

      nextElement.parentNode.insertBefore(
        createInstallCommandElement(nextElement, `npm i ${packageName} -D`, packageName),
        nextElement.nextSibling
      );
    })
    .catch(console.error);
})();