return promiseEach(props, prop => {
if (!prop)
throw error(INVALID_PATH, {path});
if (isPlainObject(value)) {
if (!value.hasOwnProperty(prop)) {
value = undefined;
return false; // exit the loop
}
} else if (Array.isArray(value)) {
const index = Number(prop);
if (Number.isNaN(index))
throw error(INVALID_INDEX_VALUE, {path, index});
if (index < 0 || index >= value.length)
throw error(INDEX_OUT_OF_RANGE, {path, index});
prop = index;
} else {
throw error(OBJECT_OR_ARRAY_REQUIRED, {path, prop});
}
const parent = value;
value = value[prop];
return promiseSync(handler(value, prop, parent), val => {
value = val;
});
}).then(() => value);
function _clone(value, prop, parent, path) {
return promiseSync(handler(value, prop, parent, path), value => {
if (isPlainObject(value))
return _cloneObject(value, path);
else if (Array.isArray(value))
return _cloneArray(value, path);
else
return value;
});
}
return promiseEach(props, prop => {
return promiseSync(_clone(obj[prop], prop, obj, path + "." + prop), value => {
des[prop] = value;
});
}).then(() => des);