Function remove_bom

packages/svelte/src/compiler/index.js:183–188

* Remove the byte order mark from a string if it's present since it would mess with our template generation logic * @param {string} source

(source)

 * @param {string} source
 */
function remove_bom(source) {
	if (source.charCodeAt(0) === 0xfeff) {
		return source.slice(1);
	}
	return source;
}

/**
 * @deprecated Replace this with `import { walk } from 'estree-walker'`