"use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; var desc = Object.getOwnPropertyDescriptor(m, k); if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { desc = { enumerable: true, get: function() { return m[k]; } }; } Object.defineProperty(o, k2, desc); }) : (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: 'Require `Array#sort` calls to always provide a `compareFunction`', 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