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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.globToRegex = globToRegex;
/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const escapeGlobChars = new Set(['/', '$', '^', '+', '.', '(', ')', '=', '!', '|']);
function globToRegex(glob) {
const tokens = ['^'];
let inGroup;
for (let i = 0; i < glob.length; ++i) {
const c = glob[i];
if (escapeGlobChars.has(c)) {
tokens.push('\\' + c);
continue;
}
if (c === '*') {
const beforeDeep = glob[i - 1];
let starCount = 1;
while (glob[i + 1] === '*') {
starCount++;
i++;
}
const afterDeep = glob[i + 1];
const isDeep = starCount > 1 && (beforeDeep === '/' || beforeDeep === undefined) && (afterDeep === '/' || afterDeep === undefined);
if (isDeep) {
tokens.push('((?:[^/]*(?:\/|$))*)');
i++;
} else {
tokens.push('([^/]*)');
}
continue;
}
switch (c) {
case '?':
tokens.push('.');
break;
case '{':
inGroup = true;
tokens.push('(');
break;
case '}':
inGroup = false;
tokens.push(')');
break;
case ',':
if (inGroup) {
tokens.push('|');
break;
}
tokens.push('\\' + c);
break;
default:
tokens.push(c);
}
}
tokens.push('$');
return new RegExp(tokens.join(''));
}