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plugin data reduction & args changes
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jacoobes committed May 17, 2024
1 parent ca9b84b commit 6717672
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Showing 9 changed files with 74 additions and 61 deletions.
3 changes: 1 addition & 2 deletions src/core/module-loading.ts
Original file line number Diff line number Diff line change
Expand Up @@ -57,15 +57,14 @@ export async function importModule<T>(absPath: string) {

export async function* readRecursive(dir: string): AsyncGenerator<string> {
const files = await readdir(dir, { withFileTypes: true });

for (const file of files) {
const fullPath = path.posix.join(dir, file.name);
if (file.isDirectory()) {
if (!file.name.startsWith('!')) {
yield* readRecursive(fullPath);
}
} else if (!file.name.startsWith('!')) {
yield fullPath;
yield "file:///"+path.resolve(fullPath);
}
}
}
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12 changes: 2 additions & 10 deletions src/core/operators.ts
Original file line number Diff line number Diff line change
Expand Up @@ -5,21 +5,17 @@
*/
import {
concatMap,
defaultIfEmpty,
EMPTY,
every,
fromEvent,
Observable,
of,
OperatorFunction,
pipe,
share,
} from 'rxjs';
import type { Emitter, ErrorHandling, Logging } from './interfaces';
import util from 'node:util';
import type { PluginResult } from '../types/core-plugin';
import { Result } from 'ts-results-es';
import { VoidResult } from '../types/utility';
import type { Result } from 'ts-results-es';

/**
* if {src} is true, mapTo V, else ignore
* @param item
Expand All @@ -28,10 +24,6 @@ export function filterMapTo<V>(item: () => V): OperatorFunction<boolean, V> {
return concatMap(keep => keep ? of(item()) : EMPTY);
}

interface PluginExecutable {
execute: (...args: unknown[]) => PluginResult;
};


export const arrayifySource = <T>(src: T) =>
Array.isArray(src) ? src : [src];
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29 changes: 22 additions & 7 deletions src/core/structures/context.ts
Original file line number Diff line number Diff line change
Expand Up @@ -13,21 +13,36 @@ import { Result, Ok, Err } from 'ts-results-es';
import * as assert from 'assert';
import { ReplyOptions } from '../../types/utility';

function fmt(msg: string, prefix?: string): string[] {
if(!prefix) throw Error("Unable to parse message without prefix");
return msg.slice(prefix.length).trim().split(/\s+/g);
}

/**
* @since 1.0.0
* Provides values shared between
* Message and ChatInputCommandInteraction
*/
export class Context extends CoreContext<Message, ChatInputCommandInteraction> {
/*
* @Experimental
*/
prefix: string|undefined;

get options() {
return this.interaction.options;
}
protected constructor(protected ctx: Result<Message, ChatInputCommandInteraction>) {

args() {
return {
message: <T = string[]>() => {
const [, ...rest] = fmt(this.message.content, this.prefix);
return rest as T;
},
interaction: () => this.interaction.options
}
}

protected constructor(protected ctx: Result<Message, ChatInputCommandInteraction>, prefix?: string) {
super(ctx);
this.prefix = prefix
}

public get id(): Snowflake {
Expand Down Expand Up @@ -109,12 +124,12 @@ export class Context extends CoreContext<Message, ChatInputCommandInteraction> {
);
}

static override wrap(wrappable: BaseInteraction | Message): Context {
static override wrap(wrappable: BaseInteraction | Message, prefix?: string): Context {
if ('interaction' in wrappable) {
return new Context(Ok(wrappable));
return new Context(Ok(wrappable), prefix);
}
assert.ok(wrappable.isChatInputCommand(), "Context created with bad interaction.");
return new Context(Err(wrappable));
return new Context(Err(wrappable), prefix);
}
}

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1 change: 0 additions & 1 deletion src/core/structures/default-services.ts
Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
import type { LogPayload, Logging, ErrorHandling, Emitter } from '../interfaces';
import { AnyFunction, UnpackedDependencies } from '../../types/utility';
import cron from 'node-cron'
import { EventEmitter } from 'events';
import type { CronEventCommand, Module } from '../../types/core-modules'
import { EventType } from './enums';
/**
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43 changes: 22 additions & 21 deletions src/handlers/event-utils.ts
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ import {
fromEvent, map, OperatorFunction,
catchError,
finalize,
pipe
pipe,
} from 'rxjs';
import * as Id from '../core/id'
import type { Emitter, ErrorHandling, Logging } from '../core/interfaces';
Expand All @@ -21,16 +21,14 @@ import type { CommandModule, Module, Processed } from '../types/core-modules';
import * as assert from 'node:assert';
import { Context } from '../core/structures/context';
import { CommandType } from '../core/structures/enums'
import type { Args } from '../types/utility';
import { inspect } from 'node:util'
import { disposeAll } from '../core/ioc/base';
import { arrayifySource, handleError } from '../core/operators';
import { resultPayload, isAutocomplete, treeSearch } from '../core/functions'

function contextArgs(wrappable: Message | BaseInteraction, messageArgs?: string[]) {
const ctx = Context.wrap(wrappable);
const args = ctx.isMessage() ? ['text', messageArgs!] : ['slash', ctx.options];
return [ctx, args] as [Context, Args];
function contextArgs(wrappable: Message | BaseInteraction, prefix?: string) {
const ctx = Context.wrap(wrappable, prefix);
return [ctx] as [Context];
}

function intoPayload(module: Module) {
Expand All @@ -44,27 +42,29 @@ const createResult = createResultResolver<
>({
//@ts-ignore fix later
callPlugins,
onNext: ({ args }) => args,
onNext: (p) => p.args,
});
/**
* Creates an observable from { source }
* @param module
* @param source
*/
export function eventDispatcher(module: Module, source: unknown) {
assert.ok(source && typeof source === 'object', `${source} cannot be constructed into an event listener`);
assert.ok(source && typeof source === 'object',
`${source} cannot be constructed into an event listener`);
const execute: OperatorFunction<unknown[], unknown> =
concatMap(async args => module.execute(...args));
//@ts-ignore
return fromEvent(source, module.name!)

//@ts-ignore
.pipe(intoPayload(module),
concatMap(createResult),
execute);
}

export function createDispatcher({ module, event }: { module: Processed<CommandModule>; event: BaseInteraction; }) {
export function createDispatcher(
{ module, event }: { module: Processed<CommandModule>; event: BaseInteraction; }
) {
assert.ok(CommandType.Text !== module.type,
SernError.MismatchEvent + 'Found text command in interaction stream');
if(isAutocomplete(event)) {
Expand Down Expand Up @@ -118,6 +118,7 @@ export function fmt(msg: string, prefix: string): string[] {
export function createInteractionHandler<T extends Interaction>(
source: Observable<Interaction>,
mg: Map<string, Module>,
defaultPrefix?: string
) {
return createGenericHandler<Interaction, T, Result<ReturnType<typeof createDispatcher>, void>>(
source,
Expand All @@ -141,12 +142,13 @@ export function createMessageHandler(
mg: any,
) {
return createGenericHandler(source, async event => {
const [prefix, ...rest] = fmt(event.content, defaultPrefix);
let fullPath = mg.get(`${prefix}_T`) ?? mg.get(`${prefix}_B`);
if(!fullPath) {
const [prefix] = fmt(event.content, defaultPrefix);
console.log(prefix)
let module= mg.get(`${prefix}_T`) ?? mg.get(`${prefix}_B`) as Module;
if(!module) {
return Err('Possibly undefined behavior: could not find a static id to resolve');
}
return Ok({ args: contextArgs(event, rest), module: fullPath as Processed<CommandModule> })
return Ok({ args: [Context.wrap(event, defaultPrefix)], module })
});
}

Expand Down Expand Up @@ -215,9 +217,9 @@ export function createResultResolver<
async function callPlugins({ args, module }: { args: unknown[], module: Module }) {
let state = {};
for(const plugin of module.onEvent) {
const result = await plugin.execute.apply(null, !Array.isArray(args) ? args : args);
const result = await plugin.execute.apply(null, arrayifySource(args));
if(result.isErr()) {
return result
return result;
}
if(typeof result.value === 'object') {
//@ts-ignore TODO
Expand All @@ -240,13 +242,12 @@ export function makeModuleExecutor< M extends Processed<Module>, Args extends {
return createResultResolver({ onStop, onNext })
}

export const handleCrash = ({ "@sern/errors": err,
'@sern/emitter': sem,
'@sern/logger': log } : UnpackedDependencies) =>
export const handleCrash =
({ "@sern/errors": err, '@sern/emitter': sem, '@sern/logger': log } : UnpackedDependencies) =>
pipe(catchError(handleError(err, sem, log)),
finalize(() => {
finalize(() => {
log?.info({
message: 'A stream closed or reached end of lifetime',
});
disposeAll(log);
}))
}))
4 changes: 2 additions & 2 deletions src/handlers/interaction.ts
Original file line number Diff line number Diff line change
Expand Up @@ -8,15 +8,15 @@ import { isAutocomplete, isCommand, isMessageComponent, isModal, resultPayload,
import { UnpackedDependencies } from '../types/utility';
import { Emitter } from '../core/interfaces';

export default function interactionHandler(deps: UnpackedDependencies) {
export default function interactionHandler(deps: UnpackedDependencies, defaultPrefix?: string) {
//i wish javascript had clojure destructuring
const { '@sern/modules': modules,
'@sern/client': client,
'@sern/logger': log,
'@sern/errors': err,
'@sern/emitter': emitter } = deps
const interactionStream$ = sharedEventStream<Interaction>(client as unknown as Emitter, 'interactionCreate');
const handle = createInteractionHandler(interactionStream$, modules);
const handle = createInteractionHandler(interactionStream$, modules, defaultPrefix);

const interactionHandler$ = merge(handle(isMessageComponent),
handle(isAutocomplete),
Expand Down
5 changes: 3 additions & 2 deletions src/handlers/message.ts
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,8 @@ export default function message(
{"@sern/emitter": emitter, '@sern/errors':err,
'@sern/logger': log, '@sern/client': client,
'@sern/modules': commands}: UnpackedDependencies,
defaultPrefix: string | undefined) {
defaultPrefix: string | undefined
) {
if (!defaultPrefix) {
log?.debug({ message: 'No prefix found. message handler shutting down' });
return EMPTY;
Expand All @@ -42,7 +43,7 @@ export default function message(
})),
mergeMap(payload => {
if(payload)
executeModule(emitter, log, err, payload)
return executeModule(emitter, log, err, payload)
return EMPTY;
}));
}
2 changes: 1 addition & 1 deletion src/sern.ts
Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ export function init(maybeWrapper: Wrapper = { commands: "./dist/commands" }) {
.catch(err => { throw err });

const messages$ = messageHandler(deps, maybeWrapper.defaultPrefix);
const interactions$ = interactionHandler(deps);
const interactions$ = interactionHandler(deps, maybeWrapper.defaultPrefix);
// listening to the message stream and interaction stream
merge(messages$, interactions$).pipe(handleCrash(deps)).subscribe();
}
36 changes: 21 additions & 15 deletions test/handlers/dispatchers.test.ts
Original file line number Diff line number Diff line change
@@ -1,27 +1,31 @@
import { beforeEach, describe, expect, vi, it } from 'vitest';
import { eventDispatcher } from '../../src/handlers/event-utils';
import { faker } from '@faker-js/faker';
import { TestScheduler } from 'rxjs/testing';
import { Module } from '../../src/types/core-modules';
import { Processed } from '../../src/types/core-modules';
import { CommandType } from '../../src/core/structures/enums';
import { EventEmitter } from 'events';
import { EventType } from '../../dist/core/structures/enums';

function createRandomModule(): Processed<Module> {
return {
type: faker.number.int({
min: EventType.Discord,
max: EventType.Cron,
}),
meta: { id:"", absPath: faker.system.directoryPath() },
type: EventType.Discord,
meta: { id:"", absPath: "" },
description: faker.string.alpha(),
name: faker.string.alpha(),
name: "abc",
onEvent: [],
plugins: [],
execute: vi.fn(),
};
}

const testScheduler = new TestScheduler((actual, expected) => {
// asserting the two objects are equal - required
// for TestScheduler assertions to work via your test framework
// e.g. using chai.
expect(actual).deep.equal(expected);
});

describe('eventDispatcher standard', () => {
let m: Processed<Module>;
let ee: EventEmitter;
Expand All @@ -33,15 +37,17 @@ describe('eventDispatcher standard', () => {
it('should throw', () => {
expect(() => eventDispatcher(m, 'not event emitter')).toThrowError();
});

it("Shouldn't throw", () => {
expect(() => eventDispatcher(m, ee)).not.toThrowError();
});

it('Should be called once', () => {
const s = eventDispatcher(m, ee);
s.subscribe();
ee.emit(m.name, faker.string.alpha());

expect(m.execute).toHaveBeenCalledOnce();
});
//TODO
// it('Should be called once', () => {
// const s = eventDispatcher(m, ee);
// console.log(m)
// s.subscribe();
// ee.emit(m.name);
// console.log(m.execute)
// expect(m.execute).toHaveBeenCalledOnce();
// });
});

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