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esbuild-wasm

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esbuild-wasm

The cross-platform WebAssembly binary for esbuild, a JavaScript bundler.

  • 0.0.16
  • Source
  • npm
  • Socket score

Version published
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1.7M
decreased by-43.46%
Maintainers
1
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What is esbuild-wasm?

The esbuild-wasm package is a WebAssembly-based version of the esbuild bundler and minifier. It provides extremely fast build times and is designed to be used in environments where native binaries cannot be executed, such as in browsers or some serverless platforms. It supports transforming, bundling, and minifying JavaScript and TypeScript files.

What are esbuild-wasm's main functionalities?

Bundling JavaScript

This code initializes esbuild-wasm and bundles a JavaScript file, outputting a single bundled file. It demonstrates how to set up and execute a basic bundling process.

const esbuild = require('esbuild-wasm');
esbuild.initialize({ worker: true, wasmURL: '/path/to/esbuild.wasm' }).then(() => {
  esbuild.build({
    entryPoints: ['input.js'],
    bundle: true,
    outfile: 'output.js'
  }).catch(() => process.exit(1));
});

Minifying CSS

This example shows how to use esbuild-wasm to minify a CSS file. It sets up the esbuild environment and performs minification, outputting the minified CSS.

const esbuild = require('esbuild-wasm');
esbuild.initialize({ worker: true, wasmURL: '/path/to/esbuild.wasm' }).then(() => {
  esbuild.build({
    entryPoints: ['input.css'],
    minify: true,
    outfile: 'output.css'
  }).catch(() => process.exit(1));
});

Transpiling TypeScript

This code snippet demonstrates how to transpile TypeScript into JavaScript using esbuild-wasm. It includes setting up the environment, specifying the loader for TypeScript files, and bundling the output.

const esbuild = require('esbuild-wasm');
esbuild.initialize({ worker: true, wasmURL: '/path/to/esbuild.wasm' }).then(() => {
  esbuild.build({
    entryPoints: ['input.ts'],
    loader: { '.ts': 'ts' },
    outfile: 'output.js',
    bundle: true
  }).catch(() => process.exit(1));
});

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Package last updated on 09 Apr 2020

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