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- 'use strict';
- var GetIntrinsic = require('get-intrinsic');
- var callBound = require('call-bind/callBound');
- var $TypeError = GetIntrinsic('%TypeError%');
- var IsInteger = require('./IsInteger');
- var Type = require('./Type');
- var $charAt = callBound('String.prototype.charAt');
- // https://262.ecma-international.org/6.0/#sec-splitmatch
- module.exports = function SplitMatch(S, q, R) {
- if (Type(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 (Type(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;
- };
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