34 lines
926 B
JavaScript
34 lines
926 B
JavaScript
"use strict";
|
|
|
|
var includes = require("../array/#/contains")
|
|
, uniq = require("../array/#/uniq")
|
|
, objForEach = require("./for-each")
|
|
, isPlainObject = require("./is-plain-object")
|
|
, ensureValue = require("./valid-value");
|
|
|
|
var isArray = Array.isArray, slice = Array.prototype.slice;
|
|
|
|
var deepAssign = function (source, target) {
|
|
if (isPlainObject(source)) {
|
|
if (!isPlainObject(target)) return target;
|
|
objForEach(target, function (value, key) {
|
|
source[key] = deepAssign(source[key], value);
|
|
});
|
|
return source;
|
|
}
|
|
if (isArray(source)) {
|
|
if (!isArray(target)) return target;
|
|
target.forEach(function (item) {
|
|
if (!includes.call(source, item)) source.push(item);
|
|
});
|
|
return source;
|
|
}
|
|
return target;
|
|
};
|
|
|
|
module.exports = function (target /*, ...objects*/) {
|
|
return uniq
|
|
.call([ensureValue(target)].concat(slice.call(arguments, 1).map(ensureValue)))
|
|
.reduce(deepAssign);
|
|
};
|