envsafe-lite/dist/validators/bool.js

Lightweight, type-safe environment variable parser for Node.js with zero dependencies.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.bool = bool;
function bool(options = {}) {
    return {
        _type: "bool",
        parse(key, value) {
            if (value === undefined || value === null || value === "") {
                if (options.default !== undefined)
                    return options.default;
                throw new Error(`Missing required environment variable: ${key}`);
            }
            const normalized = value.toLowerCase().trim();
            if (["true", "1", "yes"].includes(normalized))
                return true;
            if (["false", "0", "no"].includes(normalized))
                return false;
            throw new Error(`Invalid boolean for environment variable ${key}: "${value}"`);
        }
    };
}