| 'use strict'; |
| |
| var callBound = require('call-bind/callBound'); |
| |
| var $TypeError = require('es-errors/type'); |
| |
| var isInteger = require('../helpers/isInteger'); |
| |
| var $charAt = callBound('String.prototype.charAt'); |
| |
| // https://262.ecma-international.org/6.0/#sec-splitmatch |
| |
| module.exports = function SplitMatch(S, q, R) { |
| if (typeof S !== 'string') { |
| throw new $TypeError('Assertion failed: `S` must be a String'); |
| } |
| if (!isInteger(q)) { |
| throw new $TypeError('Assertion failed: `q` must be an integer'); |
| } |
| if (typeof R !== 'string') { |
| throw new $TypeError('Assertion failed: `R` must be a String'); |
| } |
| var r = R.length; |
| var s = S.length; |
| if (q + r > s) { |
| return false; |
| } |
| |
| for (var i = 0; i < r; i += 1) { |
| if ($charAt(S, q + i) !== $charAt(R, i)) { |
| return false; |
| } |
| } |
| |
| return q + r; |
| }; |