use.ts
658 Bytes
import type { GlobalAPI } from 'types/global-api'
import { toArray, isFunction } from '../util/index'
export function initUse(Vue: GlobalAPI) {
Vue.use = function (plugin: Function | any) {
const installedPlugins =
this._installedPlugins || (this._installedPlugins = [])
if (installedPlugins.indexOf(plugin) > -1) {
return this
}
// additional parameters
const args = toArray(arguments, 1)
args.unshift(this)
if (isFunction(plugin.install)) {
plugin.install.apply(plugin, args)
} else if (isFunction(plugin)) {
plugin.apply(null, args)
}
installedPlugins.push(plugin)
return this
}
}