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