| "use strict"; |
| var __importDefault = (this && this.__importDefault) || function (mod) { |
| return (mod && mod.__esModule) ? mod : { "default": mod }; |
| }; |
| var __importStar = (this && this.__importStar) || function (mod) { |
| if (mod && mod.__esModule) return mod; |
| var result = {}; |
| if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k]; |
| result["default"] = mod; |
| return result; |
| }; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| const typescript_1 = __importDefault(require("typescript")); |
| const util = __importStar(require("../util")); |
| exports.default = util.createRule({ |
| name: 'no-for-in-array', |
| meta: { |
| docs: { |
| description: 'Disallow iterating over an array with a for-in loop', |
| category: 'Best Practices', |
| recommended: false, |
| }, |
| messages: { |
| forInViolation: 'For-in loops over arrays are forbidden. Use for-of or array.forEach instead.', |
| }, |
| schema: [], |
| type: 'problem', |
| }, |
| defaultOptions: [], |
| create(context) { |
| return { |
| ForInStatement(node) { |
| const parserServices = util.getParserServices(context); |
| const checker = parserServices.program.getTypeChecker(); |
| const originalNode = parserServices.esTreeNodeToTSNodeMap.get(node); |
| const type = checker.getTypeAtLocation(originalNode.expression); |
| if ((typeof type.symbol !== 'undefined' && |
| type.symbol.name === 'Array') || |
| (type.flags & typescript_1.default.TypeFlags.StringLike) !== 0) { |
| context.report({ |
| node, |
| messageId: 'forInViolation', |
| }); |
| } |
| }, |
| }; |
| }, |
| }); |
| //# sourceMappingURL=no-for-in-array.js.map |