| "use strict"; |
| var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { |
| if (k2 === undefined) k2 = k; |
| Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); |
| }) : (function(o, m, k, k2) { |
| if (k2 === undefined) k2 = k; |
| o[k2] = m[k]; |
| })); |
| var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { |
| Object.defineProperty(o, "default", { enumerable: true, value: v }); |
| }) : function(o, v) { |
| o["default"] = v; |
| }); |
| var __importStar = (this && this.__importStar) || function (mod) { |
| if (mod && mod.__esModule) return mod; |
| var result = {}; |
| if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); |
| __setModuleDefault(result, mod); |
| return result; |
| }; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| const util = __importStar(require("../util")); |
| exports.default = util.createRule({ |
| name: 'no-empty-interface', |
| meta: { |
| type: 'suggestion', |
| docs: { |
| description: 'Disallow the declaration of empty interfaces', |
| recommended: 'error', |
| suggestion: true, |
| }, |
| fixable: 'code', |
| hasSuggestions: true, |
| messages: { |
| noEmpty: 'An empty interface is equivalent to `{}`.', |
| noEmptyWithSuper: 'An interface declaring no members is equivalent to its supertype.', |
| }, |
| schema: [ |
| { |
| type: 'object', |
| additionalProperties: false, |
| properties: { |
| allowSingleExtends: { |
| type: 'boolean', |
| }, |
| }, |
| }, |
| ], |
| }, |
| defaultOptions: [ |
| { |
| allowSingleExtends: false, |
| }, |
| ], |
| create(context, [{ allowSingleExtends }]) { |
| return { |
| TSInterfaceDeclaration(node) { |
| const sourceCode = context.getSourceCode(); |
| const filename = context.getFilename(); |
| if (node.body.body.length !== 0) { |
| // interface contains members --> Nothing to report |
| return; |
| } |
| const extend = node.extends; |
| if (!extend || extend.length === 0) { |
| context.report({ |
| node: node.id, |
| messageId: 'noEmpty', |
| }); |
| } |
| else if (extend.length === 1) { |
| // interface extends exactly 1 interface --> Report depending on rule setting |
| if (!allowSingleExtends) { |
| const fix = (fixer) => { |
| let typeParam = ''; |
| if (node.typeParameters) { |
| typeParam = sourceCode.getText(node.typeParameters); |
| } |
| return fixer.replaceText(node, `type ${sourceCode.getText(node.id)}${typeParam} = ${sourceCode.getText(extend[0])}`); |
| }; |
| // Check if interface is within ambient declaration |
| let useAutoFix = true; |
| if (util.isDefinitionFile(filename)) { |
| const scope = context.getScope(); |
| if (scope.type === 'tsModule' && scope.block.declare) { |
| useAutoFix = false; |
| } |
| } |
| context.report(Object.assign({ node: node.id, messageId: 'noEmptyWithSuper' }, (useAutoFix |
| ? { fix } |
| : { |
| suggest: [ |
| { |
| messageId: 'noEmptyWithSuper', |
| fix, |
| }, |
| ], |
| }))); |
| } |
| } |
| }, |
| }; |
| }, |
| }); |
| //# sourceMappingURL=no-empty-interface.js.map |