@awayfl/avm2/lib/run/axCompare.ts

Virtual machine for executing AS3 code

import { SORT } from '../abc/lazy/SORT';
import { assertNotImplemented, release } from '@awayfl/swf-loader';

export function axCompare(a: any, b: any, options: SORT, sortOrder: number,
	compareFunction: (a, b) => number) {
	release || assertNotImplemented(!(options & SORT.UNIQUESORT), 'UNIQUESORT');
	release || assertNotImplemented(!(options & SORT.RETURNINDEXEDARRAY),
		'RETURNINDEXEDARRAY');
	let result = 0;
	if (options & SORT.CASEINSENSITIVE) {
		a = String(a).toLowerCase();
		b = String(b).toLowerCase();
	}
	if (options & SORT.NUMERIC) {
		a = +a;
		b = +b;
		result = a < b ? -1 : (a > b ? 1 : 0);
	} else {
		result = compareFunction(a, b);
	}
	return result * sortOrder;
}