87 lines
1.6 KiB
JavaScript
87 lines
1.6 KiB
JavaScript
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"use strict";
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/**
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* The purpose of this function is
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* to handle back-backwards compatibility
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* @param {Object} args
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* @returns {{config: {}, cb: *}}
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*/
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module.exports = function (args) {
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var config = {};
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var cb;
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switch (args.length) {
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case 1 :
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if (isFilesArg(args[0])) {
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config.files = args[0];
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} else if (typeof args[0] === "function") {
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cb = args[0];
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} else {
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config = args[0];
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}
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break;
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case 2 :
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// if second is a function, first MUST be config
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if (typeof args[1] === "function") {
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config = args[0] || {};
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cb = args[1];
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} else {
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if (args[1] === null || args[1] === undefined) {
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config = args[0];
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} else {
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// finally, second arg could be a plain object for config
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config = args[1] || {};
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if (!config.files) {
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config.files = args[0];
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}
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}
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}
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break;
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case 3 :
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config = args[1] || {};
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if (!config.files) {
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config.files = args[0];
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}
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cb = args[2];
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}
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return {
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config: config,
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cb: cb
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};
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};
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/**
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* Files args were only ever strings or arrays
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* @param arg
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* @returns {*|boolean}
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*/
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function isFilesArg (arg) {
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return Array.isArray(arg) || typeof arg === "string";
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}
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