| 12345678910111213141516171819202122232425262728293031323334353637383940414243 | 'use strict';var $TypeError = require('es-errors/type');var callBound = require('call-bound');var isInteger = require('math-intrinsics/isInteger');var $indexOf = callBound('String.prototype.indexOf');var IsArray = require('./IsArray');var WordCharacters = require('./WordCharacters');var every = require('../helpers/every');var isRegExpRecord = require('../helpers/records/regexp-record');var isChar = function isChar(c) {	return typeof c === 'string';};// https://262.ecma-international.org/14.0/#sec-runtime-semantics-iswordchar-abstract-operation// note: prior to ES2023, this AO erroneously omitted the latter of its arguments.module.exports = function IsWordChar(rer, Input, e) {	if (!isRegExpRecord(rer)) {		throw new $TypeError('Assertion failed: `rer` must be a RegExp Record');	}	if (!IsArray(Input) || !every(Input, isChar)) {		throw new $TypeError('Assertion failed: `Input` must be a List of characters');	}	if (!isInteger(e)) {		throw new $TypeError('Assertion failed: `e` must be an integer');	}	var InputLength = Input.length; // step 1	if (e === -1 || e === InputLength) {		return false; // step 2	}	var c = Input[e]; // step 3	return $indexOf(WordCharacters(rer), c) > -1; // steps 4-5};
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