Sha256: 01a2b7fe3bdc1e33360ecb13ef6e053affb0358b36ad1f1b64d00aefb0c35ff4
Contents?: true
Size: 1.45 KB
Versions: 54
Compression:
Stored size: 1.45 KB
Contents
'use strict';
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 IsIntegralNumber = require('./IsIntegralNumber');
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/12.0/#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 (!IsIntegralNumber(e)) {
throw new $TypeError('Assertion failed: `e` must be an integer');
}
if (!IsIntegralNumber(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
};
Version data entries
54 entries across 27 versions & 2 rubygems