esbuild-plugin-wasm-pack

An esbuild plugin that runs wasm-pack before each build.

Requirements

• node >=0.12.0
• esbuild >= 0.11.15
• rust/cargo
• wasm-pack

*Make sure you have wasm-pack installed and in your PATH.*

Installation

npm install --save-dev esbuild-plugin-wasm-pack

or

yarn add --dev esbuild-plugin-wasm-pack

Usage

Simply add it to your esbuild plugins list

// build.ts
import esbuild from 'esbuild';
import wasmpack from 'esbuild-plugin-wasm-pack';

esbuild.build({
    ...
    plugins: [
        wasmpack({
            // options (see below)
        })
    ]
    ...
});

Configuration

The configuration options match the arguments to wasm-pack build.

Option	Type	Default Value	Description
logLevel	string	"info"	The maximum level of messages that should be logged by wasm-pack. Possible values: info, warn, error
profile	string	"dev"	Sets the build profile Options: dev - Create a development build. Enables debug info and disables optimizations. profiling - Create a profiling build. Enables optimizations and debug info. release - Create a release build. Enables optimizations and disables debug info.
noTypescript	boolean	false	By default a *.d.ts file is generated for the generated JS file. This flag will disable generating this TypeScript file.
mode	string	"normal"	Sets steps to be run. Possible values: no-install, normal, force
outDir	string	"pkg"	Sets the output directory with a relative path.
outName	string	<package name>	Sets the output file names. Defaults to package name.
scope	string	-	The npm scope to use in package.json, if any.
target	string	"bundler"	Sets the target environment. Possible values: bundler, nodejs, web, no-modules
path	string	-	The path to the Rust crate. If not set, searches up the path from the current directory.
extraOptions	string[]	[]	A list of extra options to pass to cargo build.
extraPackOptions	string[]	[]	A list of extra options to pass to wasm-pack
wasmPackPath	string	-	Overrides the path to the wasm-pack executable. This can also be set via the WASM_PACK_PATH environment variable.

License

This project is licensed under the MIT License - see the LICENSE.md file for details.