rc-hammer/src/recognizerjs/direction-str.js

use hammerjs in React/ReactNative

import {
  DIRECTION_LEFT,
  DIRECTION_RIGHT,
  DIRECTION_UP,
  DIRECTION_DOWN
} from '../inputjs/input-consts';

/**
* @private
* direction cons to string
* @param {constant} direction
* @returns {String}
*/
export default function directionStr(direction) {
if (direction === DIRECTION_DOWN) {
  return 'down';
} else if (direction === DIRECTION_UP) {
  return 'up';
} else if (direction === DIRECTION_LEFT) {
  return 'left';
} else if (direction === DIRECTION_RIGHT) {
  return 'right';
}
return '';
}