44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
|
/**
|
||
|
|
* @fileoverview Rule to restrict what can be thrown as an exception.
|
||
|
|
* @author Dieter Oberkofler
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
const astUtils = require("../ast-utils");
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------------
|
||
|
|
// Rule Definition
|
||
|
|
//------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
meta: {
|
||
|
|
docs: {
|
||
|
|
description: "disallow throwing literals as exceptions",
|
||
|
|
category: "Best Practices",
|
||
|
|
recommended: false
|
||
|
|
},
|
||
|
|
|
||
|
|
schema: []
|
||
|
|
},
|
||
|
|
|
||
|
|
create(context) {
|
||
|
|
|
||
|
|
return {
|
||
|
|
|
||
|
|
ThrowStatement(node) {
|
||
|
|
if (!astUtils.couldBeError(node.argument)) {
|
||
|
|
context.report({ node, message: "Expected an object to be thrown." });
|
||
|
|
} else if (node.argument.type === "Identifier") {
|
||
|
|
if (node.argument.name === "undefined") {
|
||
|
|
context.report({ node, message: "Do not throw undefined." });
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
};
|