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Configuration error
| ; | |
| var GetIntrinsic = require('get-intrinsic'); | |
| var $TypeError = GetIntrinsic('%TypeError%'); | |
| var callBound = require('call-bind/callBound'); | |
| var $indexOf = callBound('String.prototype.indexOf'); | |
| var IsArray = require('./IsArray'); | |
| var IsInteger = require('./IsInteger'); | |
| var Type = require('./Type'); | |
| var WordCharacters = require('./WordCharacters'); | |
| var every = require('../helpers/every'); | |
| var isChar = function isChar(c) { | |
| return typeof c === 'string'; | |
| }; | |
| // https://262.ecma-international.org/8.0/#sec-runtime-semantics-iswordchar-abstract-operation | |
| // note: prior to ES2023, this AO erroneously omitted the latter of its arguments. | |
| module.exports = function IsWordChar(e, InputLength, Input, IgnoreCase, Unicode) { | |
| if (!IsInteger(e)) { | |
| throw new $TypeError('Assertion failed: `e` must be an integer'); | |
| } | |
| if (!IsInteger(InputLength)) { | |
| throw new $TypeError('Assertion failed: `InputLength` must be an integer'); | |
| } | |
| if (!IsArray(Input) || !every(Input, isChar)) { | |
| throw new $TypeError('Assertion failed: `Input` must be a List of characters'); | |
| } | |
| if (Type(IgnoreCase) !== 'Boolean' || Type(Unicode) !== 'Boolean') { | |
| throw new $TypeError('Assertion failed: `IgnoreCase` and `Unicode` must be booleans'); | |
| } | |
| if (e === -1 || e === InputLength) { | |
| return false; // step 1 | |
| } | |
| var c = Input[e]; // step 2 | |
| var wordChars = WordCharacters(IgnoreCase, Unicode); | |
| return $indexOf(wordChars, c) > -1; // steps 3-4 | |
| }; | |