Michael Telatynski
46 lines
1.4 KiB
TypeScript
46 lines
1.4 KiB
TypeScript
/*
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Copyright 2025 New Vector Ltd.
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SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE files in the repository root for full details.
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*/
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import { satisfies } from "semver";
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import { Api, isModule, Module, ModuleExport } from "./api";
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export class ModuleIncompatibleError extends Error {
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constructor(pluginVersion: string) {
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super(`Plugin version ${pluginVersion} is incompatible with engine version ${__VERSION__}`);
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}
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}
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export class ModuleLoader {
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public constructor(private api: Api) {}
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#modules: Module[] = [];
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public async load(moduleExport: ModuleExport): Promise<void> {
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if (this.#started) {
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throw new Error("PluginEngine.start() has already been called");
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}
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if (!isModule(moduleExport)) {
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throw new Error("Invalid plugin");
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}
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if (!satisfies(__VERSION__, moduleExport.default.moduleApiVersion)) {
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throw new ModuleIncompatibleError(moduleExport.default.moduleApiVersion);
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}
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this.#modules.push(new moduleExport.default(this.api));
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}
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#started = false;
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public async start(): Promise<void> {
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if (this.#started) {
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throw new Error("PluginEngine.start() has already been called");
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}
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this.#started = true;
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await Promise.all(this.#modules.map((plugin) => plugin.load()));
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}
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}
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