src/parseRecord.js

import parseA1 from './parseA1.js';
import parseA2 from './parseA2.js';
import parseA3 from './parseA3.js';
import parseA4 from './parseA4.js';
import parseA5 from './parseA5.js';

import parseL1 from './parseL1.js';
import parseL5 from './parseL5.js';

export default function parseRecord(parts, options) {
	let [descriptor, reference, ...rest] = parts;
	descriptor = descriptor.trim(); // To remove <feff> byte order mark
	reference = reference.trim(); // To remove leading and trailing spaces
	parts = [descriptor, reference, ...rest];

	switch (descriptor) {
		case 'A1': {
			return parseA1(parts, options);
		}

		case 'A2': {
			return parseA2(parts, options);
		}

		case 'A3': {
			return parseA3(parts, options);
		}

		case 'A4': {
			return parseA4(parts, options);
		}

		case 'A5': {
			return parseA5(parts, options);
		}

		case 'L1': {
			return parseL1(parts, options);
		}

		case 'L2':
		case 'L3':
		case 'L5': {
			return parseL5(parts, options);
		}

		default: {
			throw new Error(`Unknown record descriptor '${descriptor}'`);
		}
	}
}