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| /** | |
| * @fileoverview Rule to disallow an empty pattern | |
| * @author Alberto Rodríguez | |
| */ | |
| "use strict"; | |
| //------------------------------------------------------------------------------ | |
| // Rule Definition | |
| //------------------------------------------------------------------------------ | |
| module.exports = { | |
| meta: { | |
| type: "problem", | |
| docs: { | |
| description: "disallow empty destructuring patterns", | |
| category: "Best Practices", | |
| recommended: true, | |
| url: "https://eslint.org/docs/rules/no-empty-pattern" | |
| }, | |
| schema: [], | |
| messages: { | |
| unexpected: "Unexpected empty {{type}} pattern." | |
| } | |
| }, | |
| create(context) { | |
| return { | |
| ObjectPattern(node) { | |
| if (node.properties.length === 0) { | |
| context.report({ node, messageId: "unexpected", data: { type: "object" } }); | |
| } | |
| }, | |
| ArrayPattern(node) { | |
| if (node.elements.length === 0) { | |
| context.report({ node, messageId: "unexpected", data: { type: "array" } }); | |
| } | |
| } | |
| }; | |
| } | |
| }; |