@peter.naydenov/route-emitter/rollup.config.js

Changes in URL are converted in events according routes definition list

import resolve    from '@rollup/plugin-node-resolve'
import commonjs   from '@rollup/plugin-commonjs'
import terser from '@rollup/plugin-terser'


export default [
	// browser-friendly UMD build
	{
		input: 'src/main.js',
		output: {
			name: 'routeEmitter',
			file: 'dist/route-emitter.umd.js',
			format: 'umd',
            globals: {
                'ask-for-promise' : 'askForPromise',
                'url-pattern'     : 'UrlPattern',
                '@peter.naydenov/notice': 'notice'
            }
		},
		plugins: [
			resolve(), // so Rollup can find `ms`
			commonjs(), // so Rollup can convert `ms` to an ES module
			terser()
		]
	},

	// CommonJS (for Node) and ES module (for bundlers) build.
	// (We could have three entries in the configuration array
	// instead of two, but it's quicker to generate multiple
	// builds from a single configuration where possible, using
	// an array for the `output` option, where we can specify
	// `file` and `format` for each target)
	{
		input: 'src/main.js',
		external: ['ask-for-promise', 'url-pattern', '@peter.naydenov/notice' ],
		output: [
			{ file: 'dist/route-emitter.cjs'    , format: 'cjs' },
			{ file: 'dist/route-emitter.esm.mjs', format: 'es' }
		],
		plugins: [ terser()]
	}
];