/**

* 同步父窗口和 iframe 的 vue-router 状态

*/

import { setLang } from './lang';

import { iframeReady, isMobile } from '.';

export function initIframeRouter() {

window.syncPath = function () {

const router = window.vueRouter;

const isInIframe = window !== window.top;

const currentDir = router.history.current.path;

const pathParts = currentDir.split('/');

let lang = pathParts[0];

if (currentDir[0] === '/') {

lang = pathParts[1];

}

if (!isInIframe && !isMobile) {

const iframe = document.querySelector('iframe');

if (iframe) {

iframeReady(iframe, () => {

iframe.contentWindow.changePath(lang, currentDir);

});

}

setLang(lang);

} else if (isInIframe) {

window.top.changePath(lang, currentDir);

}

};

window.changePath = function (lang, path = '') {

setLang(lang);

// should preserve hash for anchor

if (window.vueRouter.currentRoute.path !== path) {

window.vueRouter.replace(path).catch(() => {});

}

};

}