mirror of
https://github.com/sern-handler/handler
synced 2026-06-27 18:22:14 +00:00
f9e7eaf92d
* error-handling-draft * feat: array based module loading (#379) Co-authored-by: Jacob Nguyen <76754747+jacoobes@users.noreply.github.com> * Update utility.ts * Update sern.ts * describesemanticsbetter --------- Co-authored-by: Duro <davidwright13503@gmail.com>
81 lines
3.1 KiB
TypeScript
81 lines
3.1 KiB
TypeScript
//side effect: global container
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import { useContainerRaw } from '@sern/ioc/global';
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// set asynchronous capturing of errors
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import events from 'node:events'
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events.captureRejections = true;
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import callsites from 'callsites';
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import * as Files from './core/module-loading';
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import eventsHandler from './handlers/user-defined-events';
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import ready from './handlers/ready';
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import { interactionHandler } from './handlers/interaction';
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import { messageHandler } from './handlers/message'
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import { presenceHandler } from './handlers/presence';
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import type { Payload, UnpackedDependencies, Wrapper } from './types/utility';
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import type { Presence} from './core/presences';
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import { registerTasks } from './handlers/tasks';
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/**
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* @since 1.0.0
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* @param maybeWrapper Options to pass into sern.
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* Function to start the handler up
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* @example
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* ```ts title="src/index.ts"
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* Sern.init({
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* commands: 'dist/commands',
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* events: 'dist/events',
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* })
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* ```
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*/
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export function init(maybeWrapper: Wrapper = { commands: "./dist/commands" }) {
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const startTime = performance.now();
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const deps = useContainerRaw().deps<UnpackedDependencies>();
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if (maybeWrapper.events !== undefined) {
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eventsHandler(deps, maybeWrapper)
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.then(() => {
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deps['@sern/logger']?.info({ message: "Events registered" });
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});
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} else {
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deps['@sern/logger']?.info({ message: "No events registered" });
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}
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// autohandle errors that occur in modules.
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// convenient for rapid iteration
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if(maybeWrapper.handleModuleErrors) {
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if(!deps['@sern/logger']) {
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throw Error('A logger is required to handleModuleErrors.\n A default logger is already supplied!');
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}
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deps['@sern/logger']?.info({ 'message': 'handleModuleErrors enabled' })
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deps['@sern/emitter'].addListener('error', (payload: Payload) => {
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if(payload.type === 'failure') {
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deps['@sern/logger']?.error({ message: payload.reason })
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} else {
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deps['@sern/logger']?.warning({ message: "error event should only have payloads of 'failure'" });
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}
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})
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}
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const initCallsite = callsites()[1].getFileName();
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const presencePath = Files.shouldHandle(initCallsite!, "presence");
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//Ready event: load all modules and when finished, time should be taken and logged
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ready(maybeWrapper.commands, deps)
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.then(() => {
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const time = ((performance.now() - startTime) / 1000).toFixed(2);
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deps['@sern/logger']?.info({ message: `sern: registered in ${time} s` });
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if(presencePath.exists) {
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const setPresence = async (p: Presence.Result) => {
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return deps['@sern/client'].user?.setPresence(p);
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}
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presenceHandler(presencePath.path, setPresence);
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}
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if(maybeWrapper.tasks) {
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registerTasks(maybeWrapper.tasks, deps);
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}
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})
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.catch(err => { throw err });
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interactionHandler(deps, maybeWrapper.defaultPrefix);
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messageHandler(deps, maybeWrapper.defaultPrefix)
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}
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