Brunobkr/llama.cpp_AlgMor24_github

1'use strict';2 3var isInteger = require('math-intrinsics/isInteger');4var MAX_SAFE_INTEGER = require('math-intrinsics/constants/maxSafeInteger');5 6var isLeadingSurrogate = require('../helpers/isLeadingSurrogate');7var isTrailingSurrogate = require('../helpers/isTrailingSurrogate');8 9var $TypeError = require('es-errors/type');10 11var $charCodeAt = require('call-bound')('String.prototype.charCodeAt');12 13// https://262.ecma-international.org/6.0/#sec-advancestringindex14 15module.exports = function AdvanceStringIndex(S, index, unicode) {16	if (typeof S !== 'string') {17		throw new $TypeError('Assertion failed: `S` must be a String');18	}19	if (!isInteger(index) || index < 0 || index > MAX_SAFE_INTEGER) {20		throw new $TypeError('Assertion failed: `length` must be an integer >= 0 and <= 2**53');21	}22	if (typeof unicode !== 'boolean') {23		throw new $TypeError('Assertion failed: `unicode` must be a Boolean');24	}25	if (!unicode) {26		return index + 1;27	}28	var length = S.length;29	if ((index + 1) >= length) {30		return index + 1;31	}32 33	var first = $charCodeAt(S, index);34	if (!isLeadingSurrogate(first)) {35		return index + 1;36	}37 38	var second = $charCodeAt(S, index + 1);39	if (!isTrailingSurrogate(second)) {40		return index + 1;41	}42 43	return index + 2;44};45