| /** |
| * @fileoverview Rule to restrict what can be thrown as an exception. |
| * @author Dieter Oberkofler |
| */ |
| |
| "use strict"; |
| |
| const astUtils = require("./utils/ast-utils"); |
| |
| //------------------------------------------------------------------------------ |
| // Rule Definition |
| //------------------------------------------------------------------------------ |
| |
| module.exports = { |
| meta: { |
| type: "suggestion", |
| |
| docs: { |
| description: "disallow throwing literals as exceptions", |
| category: "Best Practices", |
| recommended: false, |
| url: "https://eslint.org/docs/rules/no-throw-literal" |
| }, |
| |
| schema: [], |
| |
| messages: { |
| object: "Expected an error object to be thrown.", |
| undef: "Do not throw undefined." |
| } |
| }, |
| |
| create(context) { |
| |
| return { |
| |
| ThrowStatement(node) { |
| if (!astUtils.couldBeError(node.argument)) { |
| context.report({ node, messageId: "object" }); |
| } else if (node.argument.type === "Identifier") { |
| if (node.argument.name === "undefined") { |
| context.report({ node, messageId: "undef" }); |
| } |
| } |
| |
| } |
| |
| }; |
| |
| } |
| }; |