@chialab/esbuild-plugin-transform

Esbuild Plugin Transform • Pipe transformation plugin for esbuild.

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Install

$ npm i @chialab/esbuild-plugin-transform -D
$ yarn add @chialab/esbuild-plugin-transform -D

Usage

import esbuild from 'esbuild';
import { start, end } from '@chialab/esbuild-plugin-transform';

await esbuild.build({
    plugins: [
        start(),
        end(),
    ],
});

Create a plugin

First of all, install Esbuild Plugin Transform:

npm i @chialab/esbuild-plugin-transform

Then, use module helpers to retrieve contents and mappings:

import { getTransformOptions } from '@chialab/esbuild-plugin-transform';

async function transform(code, map) {
    ...
}

export default {
    name: '...',
    setup(build) {
        const { filter, running, getEntry, buildEntry } = getTransformOptions(build);

        build.onLoad({ filter: /\./, namespace: 'file' }, async (args) => {
            const entry = await getEntry(args.path);
            const { code, map } = await transform(entry.code);
            entry.code = code;
            entry.mappings.push(map);

            return buildEntry(entry, {
                loader: 'js',
            });
        });
    },
};

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License

Esbuild Plugin Transform is released under the MIT license.