esbuild-plugin-polyfill-node

ESBuild plugin to polyfill Node.js built-ins geared towards edge environments.

Installation

npm install esbuild-plugin-polyfill-node

Usage

import { build } from "esbuild";
import { nodePolyfills } from "esbuild-plugin-polyfill-node";

build({
    entryPoints: ["src/index.js"],
    bundle: true,
    outfile: "dist/bundle.js",
    plugins: [nodePolyfills()],
});

Provided polyfills

• _buffer_list as implemented in readable-stream
• _stream_passthrough as implemented in readable-stream
• _stream_readable as implemented in readable-stream
• _stream_transform as implemented in readable-stream
• _stream_writable as implemented in readable-stream
• assert as implemented in assert
• buffer as implemented in buffer-es6
• console as implemented in console-browserify
• domain as implemented in domain-browser
• events as implemented in events
• http as implemented in stream-http
• https as implemented in stream-http
• os as implemented in os
• path as implemented in path
• process as implemented in process-es6
• punycode as implemented in punycode
• querystring as implemented in querystring
• stream as implemented in stream
• string_decoder as implemented in string_decoder
• sys as implemented in util
• timers as implemented in timers-browserify
• tty as implemented in tty-browserify
• url as implemented in url
• util as implemented in util
• vm as implemented in vm-browserify
• zlib as implemented in browserify-zlib

Shimmed globals

• global (aliased to globalThis)
• process
• Buffer
• __dirname (always "/")
• __filename (always "/index.js")

Empty polyfills

• dns
• dgram
• child_process
• cluster
• module
• net
• readline
• repl
• tls
• fs
• crypto

Credits

• Fatih Aygün, under the MIT license
• Loosely based on rollup-plugin-polyfill-node