@naturalcycles/nodejs-lib/dist/util/env.util.js

Standard library for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const fs = require("fs-extra");
require("dotenv/config"); // ensure .env is read before requiring keys
/*
type ObjectWithKeysOf<T extends readonly string[]> = {
  [k in ValuesOf<T>]: string
}
 */
/**
 * @example
 *
 * const {a, b} = requreEnvKeys(['a', 'b'])
 *
 * Will throw if any of the passed keys is not defined.
 */
function requireEnvKeys(...keys) {
    return keys.reduce((r, k) => {
        const v = process.env[k];
        if (!v)
            throw new Error(`${k} env variable is required, but missing`);
        r[k] = v;
        return r;
    }, {});
}
exports.requireEnvKeys = requireEnvKeys;
async function requireFileToExist(filePath) {
    if (!(await fs.pathExists(filePath))) {
        throw new Error(`Required file should exist: ${filePath}`);
    }
}
exports.requireFileToExist = requireFileToExist;
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