Files
plainleaf/client/plugos/syscalls/event.ts
T

34 lines
1.0 KiB
TypeScript

import type { SysCallMapping } from "../system.ts";
import type { EventHookI } from "../eventhook.ts";
import type { EventSubscription } from "@silverbulletmd/silverbullet/type/event";
import { LuaStackFrame, luaValueToJS } from "../../space_lua/runtime.ts";
import type { Client } from "../../client.ts";
export function eventSyscalls(
eventHook: EventHookI,
client: Client,
): SysCallMapping {
return {
"event.dispatch": (_ctx, eventName: string, data: any) => {
return eventHook.dispatchEvent(eventName, data);
},
"event.listEvents": () => {
return eventHook.listEvents();
},
/**
* Define a Lua event listener
*/
"event.listen": (_ctx, def: EventSubscription) => {
// console.log("Registering Lua event listener: ", def.name);
client.config.insert(
["eventListeners", def.name],
async (...args: any[]) => {
// Convert return value to JS
const val = await def.run(...args);
return luaValueToJS(val, LuaStackFrame.lostFrame);
},
);
},
};
}