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37 lines
1015 B
37 lines
1015 B
/**
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* @fileoverview Rule to flag assignment of the exception parameter
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* @author Stephen Murray <spmurrayzzz>
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*/
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"use strict";
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var astUtils = require("../ast-utils");
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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module.exports = function(context) {
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/**
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* Finds and reports references that are non initializer and writable.
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* @param {Variable} variable - A variable to check.
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* @returns {void}
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*/
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function checkVariable(variable) {
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astUtils.getModifyingReferences(variable.references).forEach(function(reference) {
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context.report(
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reference.identifier,
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"Do not assign to the exception parameter.");
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});
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}
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return {
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"CatchClause": function(node) {
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context.getDeclaredVariables(node).forEach(checkVariable);
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}
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};
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};
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module.exports.schema = [];
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