hoist-non-react-methods.js

const REACT_PROTOTYPE = [
  'constructor',
  'autobind',
  'childContextTypes',
  'componentDidMount',
  'componentDidUpdate',
  'componentWillMount',
  'componentDidCatch',
  'componentWillReceiveProps',
  'componentWillUnmount',
  'componentWillUpdate',
  'contextTypes',
  'displayName',
  'forceUpdate',
  'getChildContext',
  'getDefaultProps',
  'getDOMNode',
  'getInitialState',
  'isMounted',
  'mixins',
  'propTypes',
  'render',
  'props',
  'state',
  'replaceProps',
  'setProps',
  'setState',
  'shouldComponentUpdate',
  'statics',
  'updateComponent',
  'isReactComponent',
  'forceUpdate',
  'replaceState',
];

export default function hoistNonReactMethods(srcKey, dest) {
  const src = dest[srcKey];
  for (const key of Object.keys(src)) {
    const val = src[key];
    let targetName = key;
    if (process.env.NODE_ENV === 'development') {
      if (key.startsWith('__') && key.endsWith('__REACT_HOT_LOADER__')) {
        targetName = key.replace('__', '');
        targetName = targetName.replace('__REACT_HOT_LOADER__', '');
      }
    }
    if (
      typeof val === 'function' &&
      !REACT_PROTOTYPE.includes(val) &&
      !targetName.startsWith('_')
    ) {
      if (dest[targetName]) {
        if (process.env.NODE_ENV === 'development') {
          console.warn(
            `[hoistNonReactMethods] ${targetName} exists in destination and will not be copied`,
          );
        }
        continue;
      }
      dest[targetName] = function hoistedMethodProxy(...args) {
        const currentSource = dest[srcKey];
        return currentSource[key].call(currentSource, ...args);
      };
    }
  }
}