bootstrap-vue/esm/utils/copy-props.js

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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;