react-mdl/node_modules/history/modules/Actions.js

React Components wrapper for Material Design Lite UI

/**
 * Indicates that navigation was caused by a call to history.push.
 */
export const PUSH = 'PUSH'

/**
 * Indicates that navigation was caused by a call to history.replace.
 */
export const REPLACE = 'REPLACE'

/**
 * Indicates that navigation was caused by some other action such
 * as using a browser's back/forward buttons and/or manually manipulating
 * the URL in a browser's location bar. This is the default.
 *
 * See https://developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers/onpopstate
 * for more information.
 */
export const POP = 'POP'

export default {
  PUSH,
  REPLACE,
  POP
}