'use strict';

/**
 * Finds a variable named `name` in the scope `scope` (or it's parents).
 *
 * @param {string} name - The variable name to be resolve.
 * @param {Scope} scope - The scope to look for the variable in.
 * @returns {?Variable} - The found variable, if any.
 */
module.exports = (name, scope) => {
	while (scope) {
		const variable = scope.set.get(name);

		if (variable) {
			return variable;
		}

		scope = scope.upper;
	}

	return undefined;
};