| /** | |
|  * @fileoverview Rule to check for tabs inside a file | |
|  * @author Gyandeep Singh | |
|  * @deprecated in ESLint v8.53.0 | |
|  */ | |
| 
 | |
| "use strict"; | |
| 
 | |
| //------------------------------------------------------------------------------ | |
| // Helpers | |
| //------------------------------------------------------------------------------ | |
|  | |
| const tabRegex = /\t+/gu; | |
| const anyNonWhitespaceRegex = /\S/u; | |
| 
 | |
| //------------------------------------------------------------------------------ | |
| // Public Interface | |
| //------------------------------------------------------------------------------ | |
|  | |
| /** @type {import('../shared/types').Rule} */ | |
| module.exports = { | |
|     meta: { | |
|         deprecated: true, | |
|         replacedBy: [], | |
|         type: "layout", | |
| 
 | |
|         docs: { | |
|             description: "Disallow all tabs", | |
|             recommended: false, | |
|             url: "https://eslint.org/docs/latest/rules/no-tabs" | |
|         }, | |
|         schema: [{ | |
|             type: "object", | |
|             properties: { | |
|                 allowIndentationTabs: { | |
|                     type: "boolean", | |
|                     default: false | |
|                 } | |
|             }, | |
|             additionalProperties: false | |
|         }], | |
| 
 | |
|         messages: { | |
|             unexpectedTab: "Unexpected tab character." | |
|         } | |
|     }, | |
| 
 | |
|     create(context) { | |
|         const sourceCode = context.sourceCode; | |
|         const allowIndentationTabs = context.options && context.options[0] && context.options[0].allowIndentationTabs; | |
| 
 | |
|         return { | |
|             Program(node) { | |
|                 sourceCode.getLines().forEach((line, index) => { | |
|                     let match; | |
| 
 | |
|                     while ((match = tabRegex.exec(line)) !== null) { | |
|                         if (allowIndentationTabs && !anyNonWhitespaceRegex.test(line.slice(0, match.index))) { | |
|                             continue; | |
|                         } | |
| 
 | |
|                         context.report({ | |
|                             node, | |
|                             loc: { | |
|                                 start: { | |
|                                     line: index + 1, | |
|                                     column: match.index | |
|                                 }, | |
|                                 end: { | |
|                                     line: index + 1, | |
|                                     column: match.index + match[0].length | |
|                                 } | |
|                             }, | |
|                             messageId: "unexpectedTab" | |
|                         }); | |
|                     } | |
|                 }); | |
|             } | |
|         }; | |
|     } | |
| };
 |