DanielRamirezGe
36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
import identity from './identity';
|
|
import { isArray, isObject } from './inspect';
|
|
import { clone } from './object';
|
|
/**
|
|
* Copies props from one array/object to a new array/object. Prop values
|
|
* are also cloned as new references to prevent possible mutation of original
|
|
* prop object values. Optionally accepts a function to transform the prop name.
|
|
*
|
|
* @param {[]|{}} props
|
|
* @param {Function} transformFn
|
|
*/
|
|
|
|
var copyProps = function copyProps(props) {
|
|
var transformFn = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : identity;
|
|
|
|
if (isArray(props)) {
|
|
return props.map(transformFn);
|
|
} // Props as an object.
|
|
|
|
|
|
var copied = {};
|
|
|
|
for (var prop in props) {
|
|
/* istanbul ignore else */
|
|
// eslint-disable-next-line no-prototype-builtins
|
|
if (props.hasOwnProperty(prop)) {
|
|
// If the prop value is an object, do a shallow clone to prevent
|
|
// potential mutations to the original object.
|
|
copied[transformFn(prop)] = isObject(props[prop]) ? clone(props[prop]) : props[prop];
|
|
}
|
|
}
|
|
|
|
return copied;
|
|
};
|
|
|
|
export default copyProps; |