env2ts/dist/index.js

Dead simple env file parsing for TypeScript

#! /usr/bin/env node
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var fs_1 = __importDefault(require("fs"));
var chalk_1 = __importDefault(require("chalk"));
var utils_1 = require("./utils");
var prompts_1 = __importDefault(require("prompts"));
var chokidar_1 = __importDefault(require("chokidar"));
var log_update_1 = __importDefault(require("log-update"));
var executeRegular = function (input, output) {
    // Start the magic
    console.log(chalk_1.default.blue("➤") + " Reading env variables");
    if (fs_1.default.existsSync(input)) {
        console.log(chalk_1.default.blue("➤") + " Reading " + chalk_1.default.cyan(input) + " contents");
        // Get file contents
        var rawContent = fs_1.default.readFileSync(input).toString();
        console.log(chalk_1.default.blue("➤") + " Parsing " + chalk_1.default.cyan(input) + " contents");
        var varArr = utils_1.parseEnvFile(rawContent);
        console.log(chalk_1.default.blue("➤") + " Preparing " + ((varArr === null || varArr === void 0 ? void 0 : varArr.length) || 0) + " variables");
        // Prepare data to be written
        var configContent_1 = "import * as dotenv from 'dotenv';\n\ndotenv.config();\n\n";
        varArr === null || varArr === void 0 ? void 0 : varArr.forEach(function (v) {
            var str = "export const " + v + ": string = process.env." + v + "!;\n";
            configContent_1 += str;
        });
        if (!output) {
            // Spit raw
            console.log("\n" + chalk_1.default.green("✔") + " Successfully parsed variables.\n\n");
            console.log(configContent_1);
            process.exit(0);
        }
        else {
            // Write file
            fs_1.default.writeFile(output, configContent_1, function (error) {
                if (error) {
                    console.log(error);
                    console.log("\n" + chalk_1.default.red("✖") + " Failed to write to " + output);
                    process.exit(1);
                }
                console.log("\n" + chalk_1.default.green("✔") + " Successfully added variables to " + chalk_1.default.cyan(output));
                process.exit(0);
            });
        }
    }
    else {
        // Output file doesn't exist
        console.log("\n" + chalk_1.default.red("✖") + " Couldn't find " + input + " file. Specify one with " + chalk_1.default.cyan("--in path/to/.env"));
    }
};
var executeWatch = function (input, output) {
    if (fs_1.default.existsSync(input)) {
        log_update_1.default(chalk_1.default.blue("➤") + " Reading " + chalk_1.default.cyan(input) + " contents");
        // Get file contents
        var rawContent = fs_1.default.readFileSync(input).toString();
        log_update_1.default(chalk_1.default.blue("➤") + " Parsing " + chalk_1.default.cyan(input) + " contents");
        var varArr = utils_1.parseEnvFile(rawContent);
        log_update_1.default(chalk_1.default.blue("➤") + " Preparing " + ((varArr === null || varArr === void 0 ? void 0 : varArr.length) || 0) + " variables");
        // Prepare data to be written
        var configContent_2 = "import * as dotenv from 'dotenv';\n\ndotenv.config();\n\n";
        varArr === null || varArr === void 0 ? void 0 : varArr.forEach(function (v) {
            var str = "export const " + v + ": string = process.env." + v + "!;\n";
            configContent_2 += str;
        });
        // Write file
        fs_1.default.writeFile(output, configContent_2, function (error) {
            if (error) {
                log_update_1.default.done();
                console.log(error);
                console.log("\n" + chalk_1.default.red("✖") + " Failed to write to " + output);
                process.exit(1);
            }
            log_update_1.default(chalk_1.default.green("✔") + " Successfully added variables to " + chalk_1.default.cyan(output));
        });
    }
    else {
        // Output file doesn't exist
        log_update_1.default.done();
        console.log("\n" + chalk_1.default.red("✖") + " Couldn't find " + input + " file. Specify one with " + chalk_1.default.cyan("--in path/to/.env"));
    }
};
var main = function () { return __awaiter(void 0, void 0, void 0, function () {
    var args, input, raw, output, watch, dotenvInstall, installRes, error_1, overwrite;
    return __generator(this, function (_a) {
        switch (_a.label) {
            case 0:
                args = process.argv.slice(2, process.argv.length);
                input = args.indexOf("--in") !== -1 ? args[args.indexOf("--in") + 1] : ".env";
                raw = args.indexOf("--raw") !== -1;
                output = "";
                if (raw) {
                    output = "";
                }
                else if (args.indexOf("--out") !== -1) {
                    output = args[args.indexOf("--out") + 1];
                }
                else {
                    output = "config.ts";
                }
                watch = args.indexOf("--watch") !== -1;
                if (watch && raw) {
                    console.log("\n" + chalk_1.default.red("✖") + " --watch and --raw can't be used together");
                    process.exit(1);
                }
                console.log("\n");
                if (!(!utils_1.isDotenvInstalled() && !raw)) return [3 /*break*/, 5];
                return [4 /*yield*/, prompts_1.default({
                        type: "select",
                        name: "manager",
                        message: "Looks like " + chalk_1.default.cyan("dotenv") + " is not installed, choose your package manager or skip install",
                        choices: [
                            {
                                title: "Do not install",
                                value: "none",
                            },
                            {
                                title: "npm",
                                value: "npm",
                            },
                            {
                                title: "yarn",
                                value: "yarn",
                            },
                        ],
                    })];
            case 1:
                dotenvInstall = _a.sent();
                _a.label = 2;
            case 2:
                _a.trys.push([2, 4, , 5]);
                return [4 /*yield*/, utils_1.installDotenv(dotenvInstall.manager)];
            case 3:
                installRes = _a.sent();
                console.log("\n" + installRes);
                return [3 /*break*/, 5];
            case 4:
                error_1 = _a.sent();
                console.log("\n" + chalk_1.default.red("✖") + " Command " + chalk_1.default.cyan(error_1.command) + " failed.");
                process.exit(1);
                return [3 /*break*/, 5];
            case 5:
                if (!(fs_1.default.existsSync(output) && !raw)) return [3 /*break*/, 7];
                return [4 /*yield*/, prompts_1.default({
                        type: "confirm",
                        name: "overwrite",
                        message: "File '" + chalk_1.default.cyan(output) + "' already exists, " + chalk_1.default.red("overwrite") + "?",
                    })];
            case 6:
                overwrite = _a.sent();
                if (!overwrite.overwrite) {
                    console.log("\n" + chalk_1.default.red("✖") + " Specify an output file with " + chalk_1.default.cyan("--out path/to/file.ts") + " to avoid overwrites.");
                    process.exit(1);
                }
                _a.label = 7;
            case 7:
                if (!watch) {
                    return [2 /*return*/, executeRegular(input, output)];
                }
                console.log(chalk_1.default.blue("➤") + " Starting watch mode");
                chokidar_1.default
                    .watch(input, {
                    persistent: true,
                    awaitWriteFinish: true,
                })
                    .on("change", function () { return executeWatch(input, output); });
                return [2 /*return*/];
        }
    });
}); };
main();