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42 lines
965 B
42 lines
965 B
/** |
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* @fileoverview Rule to flag when deleting variables |
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* @author Ilya Volodin |
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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 = { |
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meta: { |
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type: "suggestion", |
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docs: { |
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description: "disallow deleting variables", |
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category: "Variables", |
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recommended: true, |
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url: "https://eslint.org/docs/rules/no-delete-var" |
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}, |
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schema: [], |
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messages: { |
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unexpected: "Variables should not be deleted." |
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} |
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}, |
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create(context) { |
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return { |
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UnaryExpression(node) { |
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if (node.operator === "delete" && node.argument.type === "Identifier") { |
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context.report({ node, messageId: "unexpected" }); |
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} |
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} |
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}; |
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} |
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};
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