| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879 | 'use strict';var GetIntrinsic = require('get-intrinsic');var $Number = GetIntrinsic('%Number%');var $TypeError = require('es-errors/type');var $isNaN = require('math-intrinsics/isNaN');var IsStringPrefix = require('./IsStringPrefix');var StringToBigInt = require('./StringToBigInt');var ToNumeric = require('./ToNumeric');var ToPrimitive = require('./ToPrimitive');var Type = require('./Type');var BigIntLessThan = require('./BigInt/lessThan');var NumberLessThan = require('./Number/lessThan');// https://262.ecma-international.org/9.0/#sec-abstract-relational-comparison// eslint-disable-next-line max-statements, max-lines-per-functionmodule.exports = function AbstractRelationalComparison(x, y, LeftFirst) {	if (typeof LeftFirst !== 'boolean') {		throw new $TypeError('Assertion failed: LeftFirst argument must be a Boolean');	}	var px;	var py;	if (LeftFirst) {		px = ToPrimitive(x, $Number);		py = ToPrimitive(y, $Number);	} else {		py = ToPrimitive(y, $Number);		px = ToPrimitive(x, $Number);	}	if (typeof px === 'string' && typeof py === 'string') {		if (IsStringPrefix(py, px)) {			return false;		}		if (IsStringPrefix(px, py)) {			return true;		}		return px < py; // both strings, neither a prefix of the other. shortcut for steps 3 c-f	}	var nx;	var ny;	if (typeof px === 'bigint' && typeof py === 'string') {		ny = StringToBigInt(py);		if ($isNaN(ny)) {			return void undefined;		}		return BigIntLessThan(px, ny);	}	if (typeof px === 'string' && typeof py === 'bigint') {		nx = StringToBigInt(px);		if ($isNaN(nx)) {			return void undefined;		}		return BigIntLessThan(nx, py);	}	nx = ToNumeric(px);	ny = ToNumeric(py);	if (Type(nx) === Type(ny)) {		return typeof nx === 'number' ? NumberLessThan(nx, ny) : BigIntLessThan(nx, ny);	}	if ($isNaN(nx) || $isNaN(ny)) {		return void undefined;	}	if (nx === -Infinity || ny === Infinity) {		return true;	}	if (nx === Infinity || ny === -Infinity) {		return false;	}	return nx < ny; // by now, these are both nonzero, finite, and not equal};
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