@bianic-ui/utils/dist/cjs/merge-props.js

Common utilties and types for Bianic UI

"use strict";

exports.__esModule = true;
exports.mergeProps = mergeProps;

var _function = require("./function");

var _dom = require("./dom");

var _assertion = require("./assertion");

function mergeProps() {
  var result = {};

  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
    args[_key] = arguments[_key];
  }

  for (var _i = 0, _args = args; _i < _args.length; _i++) {
    var props = _args[_i];

    for (var _key2 in result) {
      // Chain events
      if (/^on[A-Z]/.test(_key2) && (0, _assertion.isFunction)(result[_key2]) && (0, _assertion.isFunction)(props[_key2])) {
        result[_key2] = (0, _function.callAllHandlers)(result[_key2], props[_key2]); // Merge classnames, sometimes classNames are empty string which eval to false, so we just need to do a type check
      } else if (_key2 === "className" && (0, _assertion.isString)(result.className) && (0, _assertion.isString)(props.className)) {
        result[_key2] = (0, _dom.cx)(result.className, props.className);
      } else if (_key2 === "id" && result.id && props.id) {
        result.id = (0, _dom.cx)(result.id, props.id); // Override others
      } else {
        result[_key2] = props[_key2] !== undefined ? props[_key2] : result[_key2];
      }
    } // Add props from b that are not in a


    for (var _key3 in props) {
      if (result[_key3] === undefined) {
        result[_key3] = props[_key3];
      }
    }
  }

  return result;
}
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