bigint-crypto-utils/node_modules/es-abstract/helpers/isPrefixOf.js

14 lines
306 B
JavaScript

'use strict';
var $strSlice = require('../helpers/callBound')('String.prototype.slice');
module.exports = function isPrefixOf(prefix, string) {
if (prefix === string) {
return true;
}
if (prefix.length > string.length) {
return false;
}
return $strSlice(string, 0, prefix.length) === prefix;
};