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node_modules/es-abstract/2016/IsWordChar.js
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drndsv
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14 апр 2025, 22:53
14 апр 2025, 22:53
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'use strict'; var GetIntrinsic = require('get-intrinsic'); var $TypeError = GetIntrinsic('%TypeError%'); var IsArray = require('./IsArray'); var IsInteger = require('./IsInteger'); var every = require('../helpers/every'); var regexTester = require('safe-regex-test'); var isChar = function isChar(c) { return typeof c === 'string' && c.length === 1; }; var isWordCharacter = regexTester(/^[a-zA-Z0-9_]$/); // https://262.ecma-international.org/6.0/#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) { 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 (e === -1 || e === InputLength) { return false; // step 1 } var c = Input[e]; // step 2 return isWordCharacter(c); // steps 3-4 };