"use strict";

module.exports = function createResultBuffer() {
	let buffer = [];

	return {
		push: function (item) {
			// NOTE: item should always be a Promise, either resolved or rejected! Use Promise.resolve or Promise.reject to wrap an item if necessary
			// FIXME: Actually validate this
			buffer.push(item);
		},
		maybeRead: function (readCallback) {
			if (buffer.length > 0) {
				return buffer.shift();
			} else {
				return readCallback();
			}
		}
	};
};