Function readJson

lib/util/fs.js:675–692

(fs, p, callback)

 * @returns {void}
 */
const readJson = (fs, p, callback) => {
	if ("readJson" in fs) {
		return /** @type {NonNullable<InputFileSystem["readJson"]>} */ (
			fs.readJson
		)(p, callback);
	}
	fs.readFile(p, (err, buf) => {
		if (err) return callback(err);
		/** @type {JsonObject} */
		let data;
		try {
			data = JSON.parse(/** @type {Buffer} */ (buf).toString("utf8"));
		} catch (err1) {
			return callback(/** @type {Error} */ (err1));
		}
		return callback(null, data);
	});
};

/**
 * Lstat readlink absolute.