Class ModuleLoader

packages/module-api/src/loader.ts:26–55

 * @public
 */
export class ModuleLoader {
    private modules: Module[] = [];
    private started = false;

    public constructor(private api: Api) {}

    public async load(moduleExport: ModuleExport): Promise<void> {
        if (this.started) {
            throw new Error("PluginEngine.start() has already been called");
        }

        if (!isModule(moduleExport)) {
            throw new Error("Invalid plugin");
        }
        if (!satisfies(__VERSION__, moduleExport.default.moduleApiVersion)) {
            throw new ModuleIncompatibleError(moduleExport.default.moduleApiVersion);
        }
        const { default: Module } = moduleExport;
        this.modules.push(new Module(this.api));
    }

    public async start(): Promise<void> {
        if (this.started) {
            throw new Error("PluginEngine.start() has already been called");
        }
        this.started = true;

        await Promise.all(this.modules.map((plugin) => plugin.load()));
    }
}