@intlayer/config/dist/esm/loadExternalFile/loadExternalFile.mjs

Retrieve Intlayer configurations and manage environment variables for both server-side and client-side environments.

import { colorizePath, logger } from "../logger.mjs";
import { parseFileContent } from "./parseFileContent.mjs";
import { transpileTSToCJS, transpileTSToCJSSync } from "./transpileTSToCJS.mjs";
import { readFileSync } from "node:fs";
import { extname } from "node:path";
import { readFile } from "node:fs/promises";
import JSON5 from "json5";

//#region src/loadExternalFile/loadExternalFile.ts
const parseJSON5 = JSON5.parse || JSON5.default?.parse;
/**
* Load the content declaration from the given path
*
* Accepts JSON, JS, MJS and TS files as configuration
*/
const loadExternalFileSync = (filePath, options) => {
	const fileExtension = extname(filePath) || ".json";
	try {
		if (fileExtension === ".json" || fileExtension === ".json5" || fileExtension === ".jsonc") return parseJSON5(readFileSync(filePath, "utf-8"));
		const moduleResultString = transpileTSToCJSSync(readFileSync(filePath, "utf-8"), filePath, options?.buildOptions);
		if (!moduleResultString) {
			logger("File could not be loaded.", { level: "error" });
			return;
		}
		const fileContent = parseFileContent(moduleResultString, {
			projectRequire: options?.projectRequire,
			envVarOptions: options?.envVarOptions,
			additionalEnvVars: options?.additionalEnvVars,
			mocks: options?.mocks,
			aliases: options?.aliases
		});
		if (typeof fileContent === "undefined") {
			logger(`File could not be loaded. Path : ${filePath}`);
			return;
		}
		return fileContent;
	} catch (error) {
		logger([`Error: ${error.message} - `, JSON.stringify(error.stack, null, 2)], { level: "error" });
	}
};
const withPreloadedGlobals = (globals, fn) => {
	if (!globals) return fn();
	const globalVars = globalThis;
	const prev = {};
	for (const [key, value] of Object.entries(globals)) {
		prev[key] = globalVars[key];
		globalVars[key] = value;
	}
	try {
		return fn();
	} finally {
		for (const key of Object.keys(globals)) if (prev[key] !== void 0) globalVars[key] = prev[key];
		else delete globalVars[key];
	}
};
/**
* Load the content declaration from the given path
*
* Accepts JSON, JS, MJS and TS files as configuration
*/
const loadExternalFile = async (filePath, options) => {
	const fileExtension = extname(filePath);
	try {
		if (fileExtension === ".json" || fileExtension === ".json5" || fileExtension === ".jsonc") return parseJSON5(await readFile(filePath, "utf-8"));
		const moduleResultString = await transpileTSToCJS(await readFile(filePath, "utf-8"), filePath, options?.buildOptions);
		if (!moduleResultString) {
			logger("File could not be loaded.", { level: "error" });
			return;
		}
		const fileContent = withPreloadedGlobals(options?.preloadGlobals, () => parseFileContent(moduleResultString, {
			projectRequire: options?.projectRequire,
			envVarOptions: options?.envVarOptions,
			additionalEnvVars: options?.additionalEnvVars,
			mocks: options?.mocks,
			aliases: options?.aliases
		}));
		if (typeof fileContent === "undefined") {
			logger(`File could not be loaded. Path : ${colorizePath(filePath)}`);
			return;
		}
		return fileContent;
	} catch (error) {
		if (options?.logError ?? true) logger([`Error: ${error.message} - `, JSON.stringify(error.stack, null, 2)], { level: "error" });
	}
};

//#endregion
export { loadExternalFile, loadExternalFileSync };
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