mirror of
https://github.com/nodejs/node.git
synced 2025-05-19 20:06:58 +00:00
d91e10b3bd
PR-URL: https://github.com/nodejs/io.js/pull/2072 Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com> Reviewed-by: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Alex Kocharin <alex@kocharin.ru>
43 lines
981 B
JavaScript
43 lines
981 B
JavaScript
/**
|
|
* @fileoverview Rule to flag assignment of the exception parameter
|
|
* @author Stephen Murray <spmurrayzzz>
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Rule Definition
|
|
//------------------------------------------------------------------------------
|
|
|
|
module.exports = function(context) {
|
|
|
|
var catchStack = [];
|
|
|
|
return {
|
|
|
|
"CatchClause": function(node) {
|
|
catchStack.push(node.param.name);
|
|
},
|
|
|
|
"CatchClause:exit": function() {
|
|
catchStack.pop();
|
|
},
|
|
|
|
"AssignmentExpression": function(node) {
|
|
|
|
if (catchStack.length > 0) {
|
|
|
|
var exceptionName = catchStack[catchStack.length - 1];
|
|
|
|
if (node.left.name && node.left.name === exceptionName) {
|
|
context.report(node, "Do not assign to the exception parameter.");
|
|
}
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
};
|
|
|
|
module.exports.schema = [];
|