| "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: 'require-array-sort-compare', |
| defaultOptions: [ |
| { |
| ignoreStringArrays: false, |
| }, |
| ], |
| meta: { |
| type: 'problem', |
| docs: { |
| description: 'Requires `Array#sort` calls to always provide a `compareFunction`', |
| category: 'Best Practices', |
| recommended: false, |
| requiresTypeChecking: true, |
| }, |
| messages: { |
| requireCompare: "Require 'compare' argument.", |
| }, |
| schema: [ |
| { |
| type: 'object', |
| properties: { |
| ignoreStringArrays: { |
| type: 'boolean', |
| }, |
| }, |
| }, |
| ], |
| }, |
| create(context, [options]) { |
| const service = util.getParserServices(context); |
| const checker = service.program.getTypeChecker(); |
| /** |
| * Check if a given node is an array which all elements are string. |
| * @param node |
| */ |
| function isStringArrayNode(node) { |
| const type = checker.getTypeAtLocation(service.esTreeNodeToTSNodeMap.get(node)); |
| if (checker.isArrayType(type) || checker.isTupleType(type)) { |
| const typeArgs = checker.getTypeArguments(type); |
| return typeArgs.every(arg => util.getTypeName(checker, arg) === 'string'); |
| } |
| return false; |
| } |
| return { |
| "CallExpression[arguments.length=0] > MemberExpression[property.name='sort'][computed=false]"(callee) { |
| const tsNode = service.esTreeNodeToTSNodeMap.get(callee.object); |
| const calleeObjType = util.getConstrainedTypeAtLocation(checker, tsNode); |
| if (options.ignoreStringArrays && isStringArrayNode(callee.object)) { |
| return; |
| } |
| if (util.isTypeArrayTypeOrUnionOfArrayTypes(calleeObjType, checker)) { |
| context.report({ node: callee.parent, messageId: 'requireCompare' }); |
| } |
| }, |
| }; |
| }, |
| }); |
| //# sourceMappingURL=require-array-sort-compare.js.map |