mirror of https://github.com/jkjoy/sunpeiwen.git
73 lines
1.2 KiB
JavaScript
73 lines
1.2 KiB
JavaScript
'use strict';
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/**
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* optimize try catch
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* @param {Function} fn
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* @return {Object}
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* - {Error} error
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* - {Mix} value
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*/
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exports.try = function (fn) {
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var res = {
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error: undefined,
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value: undefined
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};
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try {
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res.value = fn();
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} catch (err) {
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res.error = err instanceof Error
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? err
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: new Error(err);
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}
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return res;
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};
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/**
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* @description Deal with typescript
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*/
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exports.UNSTABLE_METHOD = {
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try: exports.try,
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};
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/**
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* avoid if (a && a.b && a.b.c)
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* @param {Object} obj
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* @param {...String} keys
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* @return {Object}
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*/
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exports.dig = function (obj) {
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if (!obj) {
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return;
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}
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if (arguments.length <= 1) {
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return obj;
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}
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var value = obj[arguments[1]];
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for (var i = 2; i < arguments.length; i++) {
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if (!value) {
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break;
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}
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value = value[arguments[i]];
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}
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return value;
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};
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/**
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* optimize arguments to array
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* @param {Arguments} args
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* @return {Array}
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*/
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exports.argumentsToArray = function (args) {
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var res = new Array(args.length);
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for (var i = 0; i < args.length; i++) {
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res[i] = args[i];
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}
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return res;
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};
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