@itwin/itwinui-react/esm/utils/functions/polymorphic.js

A react component library for iTwinUI

import * as React from 'react';
import cx from 'classnames';
import { useGlobals } from '../hooks/useGlobals.js';
import { styles } from '../../styles.js';
let _base = (defaultElement) => (className, attrs) => {
  let Comp = React.forwardRef(({ as = defaultElement, ...props }, ref) => {
    props = {
      ...attrs,
      ...props,
      className: getScopedClassName(
        cx(className, attrs?.className, props.className),
      ),
    };
    let Element = as || 'div';
    if (
      'button' === Element ||
      'a' === Element ||
      ('input' === Element && 'checkbox' === props.type)
    ) {
      var _props;
      (_props = props).tabIndex ?? (_props.tabIndex = 0);
    }
    useGlobals();
    return React.createElement(Element, {
      ref: ref,
      ...props,
    });
  });
  if ('development' === process.env.NODE_ENV)
    Comp.displayName = getDisplayNameFromClass(className);
  return Comp;
};
export const polymorphic = new Proxy(
  {},
  {
    get: (target, prop) => {
      if ('string' == typeof prop) return _base(prop);
      return Reflect.get(target, prop);
    },
  },
);
let getDisplayNameFromClass = (str) => {
  let camel = str.replace(/-([a-z])/g, (g) => g[1].toUpperCase());
  return camel.substring(3);
};
let getScopedClassName = (className = '') =>
  className
    .split(' ')
    .map((c) => (c in styles ? styles[c] : c))
    .join(' ') || null;