Monorepo with yarn workspaces requires yarn 3.2
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@@ -1,58 +0,0 @@
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import { Hook, Manifest } from "../types";
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import { System } from "../system";
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import { safeRun } from "../util";
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// System events:
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// - plug:load (plugName: string)
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export type EventHookT = {
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events?: string[];
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};
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export class EventHook implements Hook<EventHookT> {
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private system?: System<EventHookT>;
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async dispatchEvent(eventName: string, data?: any): Promise<any[]> {
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if (!this.system) {
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throw new Error("Event hook is not initialized");
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}
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let responses: any[] = [];
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for (const plug of this.system.loadedPlugs.values()) {
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for (const [name, functionDef] of Object.entries(
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plug.manifest!.functions
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)) {
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if (functionDef.events && functionDef.events.includes(eventName)) {
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// Only dispatch functions that can run in this environment
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if (plug.canInvoke(name)) {
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let result = await plug.invoke(name, [data]);
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if (result !== undefined) {
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responses.push(result);
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}
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}
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}
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}
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}
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return responses;
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}
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apply(system: System<EventHookT>): void {
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this.system = system;
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this.system.on({
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plugLoaded: (name) => {
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safeRun(async () => {
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await this.dispatchEvent("plug:load", name);
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});
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},
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});
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}
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validateManifest(manifest: Manifest<EventHookT>): string[] {
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let errors = [];
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for (const [name, functionDef] of Object.entries(manifest.functions)) {
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if (functionDef.events && !Array.isArray(functionDef.events)) {
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errors.push("'events' key must be an array of strings");
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}
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}
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return errors;
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}
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}
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