@anikin/parcel-transformer-handlebars-precompile/index.js

Precompile handlebars templates into javascript allowing them to be imported as a regular javascript source

'use strict'
const Handlebars = require('handlebars');
const { Transformer } = require('@parcel/plugin');

const transformer = new Transformer({
    async transform({asset}) {
        const source = await asset.getCode();
        const precompiled = Handlebars.precompile(source);
        const js = `
                import Handlebars from 'handlebars/dist/handlebars.runtime';
                const templateFunction = Handlebars.template(${precompiled});
                export default templateFunction;
                `;
        asset.type = 'js';
        asset.setCode(js);
        return [asset];
    }
});

module.exports = transformer;