60 lines
2.4 KiB
Plaintext
60 lines
2.4 KiB
Plaintext
|
"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 ts = __importStar(require("typescript"));
|
||
|
|
const util_1 = require("../util");
|
||
|
|
exports.default = (0, util_1.createRule)({
|
||
|
|
name: 'no-for-in-array',
|
||
|
|
meta: {
|
||
|
|
docs: {
|
||
|
|
description: 'Disallow iterating over an array with a for-in loop',
|
||
|
|
recommended: 'recommended',
|
||
|
|
requiresTypeChecking: true,
|
||
|
|
},
|
||
|
|
messages: {
|
||
|
|
forInViolation: 'For-in loops over arrays skips holes, returns indices as strings, and may visit the prototype chain or other enumerable properties. Use a more robust iteration method such as for-of or array.forEach instead.',
|
||
|
|
},
|
||
|
|
schema: [],
|
||
|
|
type: 'problem',
|
||
|
|
},
|
||
|
|
defaultOptions: [],
|
||
|
|
create(context) {
|
||
|
|
return {
|
||
|
|
ForInStatement(node) {
|
||
|
|
const services = (0, util_1.getParserServices)(context);
|
||
|
|
const checker = services.program.getTypeChecker();
|
||
|
|
const type = (0, util_1.getConstrainedTypeAtLocation)(services, node.right);
|
||
|
|
if ((0, util_1.isTypeArrayTypeOrUnionOfArrayTypes)(type, checker) ||
|
||
|
|
(type.flags & ts.TypeFlags.StringLike) !== 0) {
|
||
|
|
context.report({
|
||
|
|
node,
|
||
|
|
messageId: 'forInViolation',
|
||
|
|
});
|
||
|
|
}
|
||
|
|
},
|
||
|
|
};
|
||
|
|
},
|
||
|
|
});
|
||
|
|
//# sourceMappingURL=no-for-in-array.js.map
|