abstract.js
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/* @flow */
import type Router from '../index'
import { History } from './base'
export class AbstractHistory extends History {
index: number;
stack: Array<Route>;
constructor (router: Router, base: ?string) {
super(router, base)
this.stack = []
this.index = -1
}
push (location: RawLocation, onComplete?: Function, onAbort?: Function) {
this.transitionTo(location, route => {
this.stack = this.stack.slice(0, this.index + 1).concat(route)
this.index++
onComplete && onComplete(route)
}, onAbort)
}
replace (location: RawLocation, onComplete?: Function, onAbort?: Function) {
this.transitionTo(location, route => {
this.stack = this.stack.slice(0, this.index).concat(route)
onComplete && onComplete(route)
}, onAbort)
}
go (n: number) {
const targetIndex = this.index + n
if (targetIndex < 0 || targetIndex >= this.stack.length) {
return
}
const route = this.stack[targetIndex]
this.confirmTransition(route, () => {
this.index = targetIndex
this.updateRoute(route)
})
}
getCurrentLocation () {
const current = this.stack[this.stack.length - 1]
return current ? current.fullPath : '/'
}
ensureURL () {
// noop
}
}