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browserHistory.js
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browserHistory.js
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/**
* @file 浏览器历史
* @author cxtom <cxtom2008@gmail.com>
*/
import * as Storage from './storage';
const KEY = 'browser_history';
class BrowserHistory {
constructor() {
this.list = Storage.get(KEY, [], true);
}
backTo(reg) {
let browserHistoryList = this.list;
let browserHistoryLength = browserHistoryList.length;
if (browserHistoryLength >= 2) {
let len = 0;
while (len < browserHistoryLength && !reg.test(browserHistoryList[browserHistoryLength - 1 - len].path)) {
len++;
}
if (
len === browserHistoryLength
|| !reg.test(browserHistoryList[browserHistoryLength - len - 1].path)
) {
return false;
}
if (len !== 0) {
window.history.go(-len);
}
return true;
}
return false;
}
get(index) {
if (index == null) {
return this.list;
}
return this.list[index];
}
set(list) {
this.list = list;
Storage.set(KEY, list, true);
}
get length() {
return this.list.length;
}
}
export default new BrowserHistory();