docsify/src/core/router/history/base.js

83 lines
1.9 KiB
JavaScript

import {
getPath,
isAbsolutePath,
stringifyQuery,
cleanPath,
replaceSlug
} from '../util'
import { noop, merge } from '../../util/core'
const cached = {}
function getAlias (path, alias, last) {
const match = Object.keys(alias).filter(key => {
const re = cached[key] || (cached[key] = new RegExp(`^${key}$`))
return re.test(path) && path !== last
})[0]
return match
? getAlias(path.replace(cached[match], alias[match]), alias, path)
: path
}
function getFileName (path, ext) {
return new RegExp(`\\.(${ext.replace(/^\./, '')}|html)$`, 'g').test(path)
? path
: /\/$/g.test(path) ? `${path}README${ext}` : `${path}${ext}`
}
export class History {
constructor (config) {
this.config = config
}
getBasePath () {
return this.config.basePath
}
getFile (path, isRelative) {
path = path || this.getCurrentPath()
const { config } = this
const base = this.getBasePath()
const ext = typeof config.ext !== 'string' ? '.md' : config.ext
path = config.alias ? getAlias(path, config.alias) : path
path = getFileName(path, ext)
path = path === `/README${ext}` ? config.homepage || path : path
path = isAbsolutePath(path) ? path : getPath(base, path)
if (isRelative) {
path = path.replace(new RegExp(`^${base}`), '')
}
return path
}
onchange (cb = noop) {
cb()
}
getCurrentPath () {}
normalize () {}
parse () {}
toURL (path, params, currentRoute) {
const local = currentRoute && path[0] === '#'
const route = this.parse(replaceSlug(path))
route.query = merge({}, route.query, params)
path = route.path + stringifyQuery(route.query)
path = path.replace(/\.md(\?)|\.md$/, '$1')
if (local) {
const idIndex = currentRoute.indexOf('?')
path =
(idIndex > 0 ? currentRoute.substr(0, idIndex) : currentRoute) + path
}
return cleanPath('/' + path)
}
}