39 lines
874 B
JavaScript
39 lines
874 B
JavaScript
'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;
|
|
};
|