ms/packages/plugin/src/event.ts
MiaoWoo e9a2aa9745 refactor: plugin system & config manager
Signed-off-by: MiaoWoo <admin@yumc.pw>
2020-09-24 18:36:10 +08:00

41 lines
1.5 KiB
TypeScript

import { event, plugin, server } from '@ccms/api'
import { provideSingleton, Autowired } from '@ccms/container'
import { getPluginListenerMetadata } from './utils'
@provideSingleton(PluginEventManager)
export class PluginEventManager {
@Autowired()
private EventManager: event.Event
@Autowired()
private ServerChecker: server.ServerChecker
constructor() {
process.on('plugin.before.enable', this.registryListener.bind(this))
process.on('plugin.after.disable', this.unregistryListener.bind(this))
}
mapEventName() {
return this.EventManager.mapEventName().toFixed(0)
}
private registryListener(pluginInstance: plugin.Plugin) {
let events = getPluginListenerMetadata(pluginInstance)
for (const event of events) {
// ignore space listener
if (!this.ServerChecker.check(event.servers)) {
console.debug(`[${pluginInstance.description.name}] ${event.target.constructor.name} incompatible event ${event.name} server(${event.servers}) ignore.`)
continue
}
// here must bind this to pluginInstance
let exec = event.target[event.executor]
let execBinded = exec.bind(pluginInstance)
execBinded.executor = event.executor
exec.off = this.EventManager.listen(pluginInstance, event.name, execBinded, event.priority, event.ignoreCancel)
}
}
private unregistryListener(pluginInstance: plugin.Plugin) {
this.EventManager.disable(pluginInstance)
}
}