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'use strict';
module.exports = function replaceRecursive(items) {
const replace = (target, source) => {
const replaced = Object.assign({}, target);
const mergedKeys = Object.keys(Object.assign({}, target, source));
mergedKeys.forEach((key) => {
if (!Array.isArray(source[key]) && typeof source[key] === 'object') {
replaced[key] = replace(target[key], source[key]);
} else if (target[key] === undefined && source[key] !== undefined) {
if (typeof target[key] === 'object') {
replaced[key] = Object.assign({}, source[key]);
} else {
replaced[key] = source[key];
}
} else if (target[key] !== undefined && source[key] === undefined) {
if (typeof target[key] === 'object') {
replaced[key] = Object.assign({}, target[key]);
} else {
replaced[key] = target[key];
}
} else if (target[key] !== undefined && source[key] !== undefined) {
if (typeof source[key] === 'object') {
replaced[key] = Object.assign({}, source[key]);
} else {
replaced[key] = source[key];
}
}
});
return replaced;
};
if (!items) {
return this;
}
if (!Array.isArray(items) && typeof items !== 'object') {
return new this.constructor(replace(this.items, [items]));
}
if (items.constructor.name === 'Collection') {
return new this.constructor(replace(this.items, items.all()));
}
return new this.constructor(replace(this.items, items));
};