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

Virtual machine for executing AS3 code

import { SORT } from '../abc/lazy/SORT';
import { release } from '@awayfl/swf-loader';
import { assert } from '@awayjs/graphics';

export function axCompareFields(objA: any, objB: any, names: string[], optionsList: SORT[]) {
	release || assert(names.length === optionsList.length);
	release || assert(names.length > 0);
	let result = 0;
	let i;
	for (i = 0; i < names.length && result === 0; i++) {
		const name = names[i];
		let a = objA[name];
		let b = objB[name];
		const options = optionsList[i];
		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 = String(a).localeCompare(String(b));
		}
	}
	if (optionsList[i - 1] & SORT.DESCENDING) {
		result *= -1;
	}
	return result;
}