alia/dist/services/flag-loader.service.js

Alias To Go

import { inject } from '../utils/di.js';
import fs from 'fs/promises';
import path from 'node:path';
export class FlagLoaderService {
    #flagsDir = path.join(import.meta.dirname, '..', 'flags');
    async loadFlags() {
        const flagPaths = await this.#getFlags();
        return Promise.all(flagPaths.map((f) => this.#loadFlag(f)));
    }
    async #getFlags() {
        const flags = await fs.readdir(this.#flagsDir);
        return flags.filter((f) => /\.flag\.[jt]s/i.exec(f));
    }
    async #loadFlag(flag) {
        /* c8 ignore next */ // Coverage picks up "as FlagModule" as uncovered branch
        const module = (await import(`../flags/${flag}`));
        const defaultKey = Object.keys(module)[0];
        const flagClass = module[defaultKey];
        return inject(flagClass);
    }
}