/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
function startsWith(haystack, needle) {
    if (haystack.length < needle.length) {
        return false;
    }
    for (let i = 0; i < needle.length; i++) {
        if (haystack[i] !== needle[i]) {
            return false;
        }
    }
    return true;
}
exports.startsWith = startsWith;
/**
 * Determines if haystack ends with needle.
 */
function endsWith(haystack, needle) {
    let diff = haystack.length - needle.length;
    if (diff > 0) {
        return haystack.lastIndexOf(needle) === diff;
    }
    else if (diff === 0) {
        return haystack === needle;
    }
    else {
        return false;
    }
}
exports.endsWith = endsWith;
function convertSimple2RegExpPattern(pattern) {
    return pattern.replace(/[\-\\\{\}\+\?\|\^\$\.\,\[\]\(\)\#\s]/g, '\\$&').replace(/[\*]/g, '.*');
}
exports.convertSimple2RegExpPattern = convertSimple2RegExpPattern;
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