Files
azuredatastudio/build/lib/eslint/code-no-look-behind-regex.js
Karl Burtram e7d3d047ec Merge from vscode merge-base (#22780)
* Revert "Revert "Merge from vscode merge-base (#22769)" (#22779)"

This reverts commit 47a1745180.

* Fix notebook download task

* Remove done call from extensions-ci
2023-04-19 21:48:46 -07:00

44 lines
1.8 KiB
JavaScript

"use strict";
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
Object.defineProperty(exports, "__esModule", { value: true });
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
const _positiveLookBehind = /\(\?<=.+/;
const _negativeLookBehind = /\(\?<!.+/;
function _containsLookBehind(pattern) {
if (typeof pattern !== 'string') {
return false;
}
return _positiveLookBehind.test(pattern) || _negativeLookBehind.test(pattern);
}
module.exports = {
create(context) {
return {
// /.../
['Literal[regex]']: (node) => {
var _a;
const pattern = (_a = node.regex) === null || _a === void 0 ? void 0 : _a.pattern;
if (_containsLookBehind(pattern)) {
context.report({
node,
message: 'Look behind assertions are not yet supported in all browsers'
});
}
},
// new Regex("...")
['NewExpression[callee.name="RegExp"] Literal']: (node) => {
if (_containsLookBehind(node.value)) {
context.report({
node,
message: 'Look behind assertions are not yet supported in all browsers'
});
}
}
};
}
};