imba/scripts/build-parser.js

Intuitive and powerful language for building webapps that fly

const fs = require('fs');
const esbuild = require('esbuild');

async function bundle(options){
	options.resolveExtensions = ['.mjs','.imba','.ts','.cjs','.js','.css','.json'];
	options.target = options.target || ['es2020']; // ['chrome58', 'firefox57', 'safari11', 'edge16'];
	options.bundle = true;

	let res = await esbuild.build(options);
    var parser = require('../build/grammar.js').parser;
    var source = parser.generate();
    var esmSource = source.replace(
        /\n\nif \(typeof require !== 'undefined' && typeof exports !== 'undefined'\) \{\nexports\.parser = parser;\nexports\.Parser = parser\.Parser;\nexports\.parse = function \(\) \{ return parser\.parse\.apply\(parser, arguments\); \};\n\}\s*$/,
        ""
    );
    fs.writeFileSync(
        __dirname + "/../src/compiler/parser.mjs",
        esmSource + "\n\nexport { parser };\nexport const Parser = parser.Parser;\nexport function parse() { return parser.parse.apply(parser, arguments); }\n"
    );
    console.log('built parser');

}

bundle({
	entryPoints: ['src/compiler/grammar.mjs'],
	outfile: 'build/grammar.js',
	sourcemap: false,
	format: 'cjs',
	platform: 'node'
})