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