27 lines
707 B
JavaScript
27 lines
707 B
JavaScript
var castPath = require('./castPath');
|
|
var isStr = require('./isStr');
|
|
var isObj = require('./isObj');
|
|
var each = require('./each');
|
|
exports = function(obj, prop, descriptor) {
|
|
if (isStr(prop)) {
|
|
defineProp(obj, prop, descriptor);
|
|
} else if (isObj(prop)) {
|
|
each(prop, function(descriptor, prop) {
|
|
defineProp(obj, prop, descriptor);
|
|
});
|
|
}
|
|
return obj;
|
|
};
|
|
function defineProp(obj, prop, descriptor) {
|
|
var path = castPath(prop, obj);
|
|
var lastProp = path.pop();
|
|
|
|
while ((prop = path.shift())) {
|
|
if (!obj[prop]) obj[prop] = {};
|
|
obj = obj[prop];
|
|
}
|
|
Object.defineProperty(obj, lastProp, descriptor);
|
|
}
|
|
|
|
module.exports = exports;
|