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PR-URL: https://github.com/iojs/io.js/pull/1539 Fixes: https://github.com/iojs/io.js/issues/1253 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com> Reviewed-By: Johan Bergström <bugs@bergstroem.nu> Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
/**
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* @fileoverview Rule to warn when a function expression does not have a name.
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* @author Kyle T. Nunery
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* @copyright 2015 Brandon Mills. All rights reserved.
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* @copyright 2014 Kyle T. Nunery. All rights reserved.
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*/
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"use strict";
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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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* Determines whether the current FunctionExpression node is a get, set, or
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* shorthand method in an object literal or a class.
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* @returns {boolean} True if the node is a get, set, or shorthand method.
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*/
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function isObjectOrClassMethod() {
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var parent = context.getAncestors().pop();
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return (parent.type === "MethodDefinition" || (
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parent.type === "Property" && (
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parent.method ||
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parent.kind === "get" ||
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parent.kind === "set"
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)
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));
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}
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return {
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"FunctionExpression": function(node) {
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var name = node.id && node.id.name;
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if (!name && !isObjectOrClassMethod()) {
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context.report(node, "Missing function expression name.");
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}
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}
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};
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};
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