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'use strict'; |
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var GetIntrinsic = require('get-intrinsic'); |
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var $TypeError = GetIntrinsic('%TypeError%'); |
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var callBound = require('call-bind/callBound'); |
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var $indexOf = callBound('String.prototype.indexOf'); |
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var IsArray = require('./IsArray'); |
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var Type = require('./Type'); |
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var WordCharacters = require('./WordCharacters'); |
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var assertRecord = require('../helpers/assertRecord'); |
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var every = require('../helpers/every'); |
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var isInteger = require('../helpers/isInteger'); |
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var isChar = function isChar(c) { |
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return typeof c === 'string'; |
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}; |
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module.exports = function IsWordChar(rer, Input, e) { |
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assertRecord(Type, 'RegExp Record', 'rer', rer); |
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if (!IsArray(Input) || !every(Input, isChar)) { |
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throw new $TypeError('Assertion failed: `Input` must be a List of characters'); |
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} |
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if (!isInteger(e)) { |
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throw new $TypeError('Assertion failed: `e` must be an integer'); |
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} |
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var InputLength = Input.length; |
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if (e === -1 || e === InputLength) { |
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return false; |
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} |
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var c = Input[e]; |
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return $indexOf(WordCharacters(rer), c) > -1; |
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}; |
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