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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
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-rw-r--r--node_modules/es-abstract/2019/IsStringPrefix.js47
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diff --git a/node_modules/es-abstract/2019/IsStringPrefix.js b/node_modules/es-abstract/2019/IsStringPrefix.js
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+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var isPrefixOf = require('../helpers/isPrefixOf');
+
+// var callBound = require('../helpers/callBound');
+
+// var $charAt = callBound('String.prototype.charAt');
+
+var Type = require('./Type');
+
+// https://www.ecma-international.org/ecma-262/9.0/#sec-isstringprefix
+
+module.exports = function IsStringPrefix(p, q) {
+ if (Type(p) !== 'String') {
+ throw new $TypeError('Assertion failed: "p" must be a String');
+ }
+
+ if (Type(q) !== 'String') {
+ throw new $TypeError('Assertion failed: "q" must be a String');
+ }
+
+ return isPrefixOf(p, q);
+ /*
+ if (p === q || p === '') {
+ return true;
+ }
+
+ var pLength = p.length;
+ var qLength = q.length;
+ if (pLength >= qLength) {
+ return false;
+ }
+
+ // assert: pLength < qLength
+
+ for (var i = 0; i < pLength; i += 1) {
+ if ($charAt(p, i) !== $charAt(q, i)) {
+ return false;
+ }
+ }
+ return true;
+ */
+};