@layerfig/config/dist/sources/file/index.js

Layer and runtime-validate type-safe configs for JavaScript apps.

import { Source } from "../../source-BvmiqUNz.js";
import "../../set-LPILcL1N.js";
import { readIfExist } from "../../utils-B21a12rH.js";
import path from "node:path";

//#region src/sources/file.ts
const APP_ROOT_PATH = process.cwd();
var FileSource = class extends Source {
	#fileName;
	constructor(fileName) {
		super();
		this.#fileName = fileName;
	}
	loadSource({ relativeConfigFolderPath, parser, slotPrefix, runtimeEnv }) {
		const absoluteConfigFolderPath = path.join(APP_ROOT_PATH, relativeConfigFolderPath);
		const absoluteFilePath = path.resolve(absoluteConfigFolderPath, this.#fileName);
		const fileExtension = this.#getFileExtension(absoluteFilePath);
		if (parser.acceptsExtension(fileExtension) === false) throw new Error(`".${fileExtension}" file is not supported by this parser. Accepted files are: "${parser.acceptedFileExtensions.join(", ")}"`);
		const fileContentResult = readIfExist(absoluteFilePath);
		if (fileContentResult.ok === false) throw new Error(fileContentResult.error);
		const finalContent = this.maybeReplaceSlotFromValue({
			value: fileContentResult.data,
			slotPrefix,
			runtimeEnv
		});
		const parserResult = parser.load(finalContent);
		if (!parserResult.ok) throw parserResult.error;
		return parserResult.data;
	}
	#getFileExtension(filePath) {
		return path.extname(filePath).slice(1);
	}
};

//#endregion
export { FileSource };
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