34 lines
624 B
JavaScript
34 lines
624 B
JavaScript
import update from './update';
|
|
import wrap from './wrap';
|
|
import forEach from 'lodash/collection/forEach';
|
|
|
|
function clone(object) {
|
|
if (Array.isArray(object)) {
|
|
return [...object];
|
|
}
|
|
|
|
return { ...object };
|
|
}
|
|
|
|
function map(iteratee, object) {
|
|
const updater = typeof iteratee === 'function' ?
|
|
iteratee :
|
|
update(iteratee);
|
|
|
|
let newObject;
|
|
|
|
forEach(object, (value, index) => {
|
|
const newValue = updater(value, index);
|
|
|
|
if (newValue === value) return;
|
|
|
|
newObject = newObject || clone(object);
|
|
|
|
newObject[index] = newValue;
|
|
});
|
|
|
|
return newObject || object;
|
|
}
|
|
|
|
export default wrap(map);
|