envample/src/envample.js

Generates .env.example from your .env file

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.envample = void 0;
const readline_1 = require("readline");
const fs_1 = require("fs");
const path_1 = require("path");
/**
 * @description: Generates .env.example file from your .env file
 */
function envample(inputFile, outputFile) {
    return new Promise((res, reject) => {
        const envFile = inputFile || (0, path_1.resolve)(process.cwd(), '.env');
        if (!(0, fs_1.existsSync)(envFile)) {
            return reject(Error(`${envFile} file not found`));
        }
        const envExampleFile = outputFile || '.env.example';
        const stream = (0, readline_1.createInterface)({
            input: (0, fs_1.createReadStream)(envFile),
        });
        const envs = [];
        let value;
        let useValue = false;
        let ignoreNext = false;
        stream
            .on('line', (line) => {
            if (ignoreNext) {
                ignoreNext = false;
                return;
            }
            if (line.startsWith('# ignore')) {
                ignoreNext = true;
                return;
            }
            if (line.startsWith('# example')) {
                const [, ...example] = line.split('=');
                if (example === null || example === void 0 ? void 0 : example.length) {
                    value = example.join('=');
                }
                else {
                    useValue = true;
                }
                envs.push(line);
                return;
            }
            if (line.startsWith('#') || line.trim() === '') {
                envs.push(line);
                useValue = false;
                value = undefined;
                return;
            }
            const [left, ...right] = line.split('=');
            envs.push(`${left}=${value ? value : useValue ? right.join('=') : ''}`);
            value = undefined;
            useValue = false;
        })
            .on('close', () => {
            console.info(`🎉 ${envExampleFile} generated from ${envFile} 🚀`);
            (0, fs_1.writeFileSync)(envExampleFile, envs.join('\r\n'), 'utf8');
            return res(null);
        });
    });
}
exports.envample = envample;
//# sourceMappingURL=envample.js.map