You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.0 KiB
JavaScript
51 lines
1.0 KiB
JavaScript
12 months ago
|
/*!
|
||
|
|
* get-value <https://github.com/jonschlinkert/get-value>
|
||
|
|
*
|
||
|
|
* Copyright (c) 2014-2015, Jon Schlinkert.
|
||
|
|
* Licensed under the MIT License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
module.exports = function(obj, prop, a, b, c) {
|
||
|
|
if (!isObject(obj) || !prop) {
|
||
|
|
return obj;
|
||
|
|
}
|
||
|
|
|
||
|
|
prop = toString(prop);
|
||
|
|
|
||
|
|
// allowing for multiple properties to be passed as
|
||
|
|
// a string or array, but much faster (3-4x) than doing
|
||
|
|
// `[].slice.call(arguments)`
|
||
|
|
if (a) prop += '.' + toString(a);
|
||
|
|
if (b) prop += '.' + toString(b);
|
||
|
|
if (c) prop += '.' + toString(c);
|
||
|
|
|
||
|
|
if (prop in obj) {
|
||
|
|
return obj[prop];
|
||
|
|
}
|
||
|
|
|
||
|
|
var segs = prop.split('.');
|
||
|
|
var len = segs.length;
|
||
|
|
var i = -1;
|
||
|
|
|
||
|
|
while (obj && (++i < len)) {
|
||
|
|
var key = segs[i];
|
||
|
|
while (key[key.length - 1] === '\\') {
|
||
|
|
key = key.slice(0, -1) + '.' + segs[++i];
|
||
|
|
}
|
||
|
|
obj = obj[key];
|
||
|
|
}
|
||
|
|
return obj;
|
||
|
|
};
|
||
|
|
|
||
|
|
function isObject(val) {
|
||
|
|
return val !== null && (typeof val === 'object' || typeof val === 'function');
|
||
|
|
}
|
||
|
|
|
||
|
|
function toString(val) {
|
||
|
|
if (!val) return '';
|
||
|
|
if (Array.isArray(val)) {
|
||
|
|
return val.join('.');
|
||
|
|
}
|
||
|
|
return val;
|
||
|
|
}
|