cdn-resolve

Resolves packages to their relative CDN URLS.

Note

Skypack was recently removed in version v2.0.0, since it wa unmainted and new code was breaking it. So if you are using Skypack, please use version v1.4.1

Features

• Resolves a package name to a CDN URL
• Supports all major CDNs (esm.sh, unpkg, jsdelivr, etc.)
• Resolves types

📦 Installation

npm install cdn-resolve

📚 Usage

Resolve React from esm.sh

import { buildCDNUrl } from "cdn-resolve";

// You can also import the esm builder directly
import { buildESMUrl } from "cdn-resolve/esm";

const esm = buildCDNUrl("esm");

esm("swr", {
  alias: {
    react: "preact/compat"
  }
});
// => https://esm.sh/swr?alias=react:preact/compat

buildESMUrl("swr", {
  alias: {
    react: "preact/compat"
  }
});

// => https://esm.sh/swr?alias=react:preact/compat

Resolve typedefs for React from esm.sh

import { buildESMUrl } from "cdn-resolve/esm";

const resolved = buildESMUrl("swr@2.1.1", {
  alias: {
    react: "preact/compat"
  }
});

const typesUrl = await resolveESMTypes(resolved);

// => https://esm.sh/v135/swr@2.1.1/X-YS9yZWFjdDpwcmVhY3QvY29tcGF0/core/dist/index.d.ts

Parse a Package Name

import { parsePackage } from "cdn-resolve";

const parsed = parsePackage("vue");

// => {
//   "name": "vue",
//   "version": "latest",
// }

const parsedWithVersion = parsePackage("vue@3.2.47");

// => {
//   "name": "vue",
//   "version": "3.2.47",
// }

const parsedWithPathAndVersion = parsePackage("vue@3.2.47/package.json");

// => {
//   "name": "vue",
//   "version": "3.2.47",
//   "path": "package.json"
// }

📄 License

Published under MIT License.