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| /** | |
| * @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" }); | |
| } | |
| } | |
| } | |
| }; | |
| } | |
| }; |