1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | 1x 1x 1x 2x 2x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 190x 16x 31x 106x 15x 190x 2x 3x 2x 190x 4x 8x 7x 2x 190x 3x 6x 4x 3x 190x 1x | "use strict"; var __extends = (this && this.__extends) || (function () { var extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; return function (d, b) { extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; })(); Object.defineProperty(exports, "__esModule", { value: true }); var ts = require("typescript"); var Lint = require("tslint"); var Rule = (function (_super) { __extends(Rule, _super); function Rule() { return _super !== null && _super.apply(this, arguments) || this; } Rule.prototype.apply = function (sourceFile) { var noObjectMutationWalker = new NoObjectMutationWalker(sourceFile, this.getOptions()); return this.applyWithWalker(noObjectMutationWalker); }; return Rule; }(Lint.Rules.AbstractRule)); Rule.FAILURE_STRING = "Modifying properties of existing object not allowed."; exports.Rule = Rule; var objPropAccessors = [ ts.SyntaxKind.ElementAccessExpression, ts.SyntaxKind.PropertyAccessExpression ]; var forbidObjPropOnLeftSideOf = [ ts.SyntaxKind.EqualsToken, ts.SyntaxKind.PlusEqualsToken, ts.SyntaxKind.MinusEqualsToken, ts.SyntaxKind.AsteriskEqualsToken, ts.SyntaxKind.AsteriskAsteriskEqualsToken, ts.SyntaxKind.SlashEqualsToken, ts.SyntaxKind.PercentEqualsToken, ts.SyntaxKind.LessThanLessThanEqualsToken, ts.SyntaxKind.GreaterThanGreaterThanEqualsToken, ts.SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken, ts.SyntaxKind.AmpersandEqualsToken, ts.SyntaxKind.BarEqualsToken, ts.SyntaxKind.CaretEqualsToken ]; var forbidUnaryOps = [ ts.SyntaxKind.PlusPlusToken, ts.SyntaxKind.MinusMinusToken ]; var NoObjectMutationWalker = (function (_super) { __extends(NoObjectMutationWalker, _super); function NoObjectMutationWalker() { return _super !== null && _super.apply(this, arguments) || this; } NoObjectMutationWalker.prototype.visitNode = function (node) { // No assignment with object.property on the left if (node && node.kind === ts.SyntaxKind.BinaryExpression) { var binExp_1 = node; if (objPropAccessors.some(function (k) { return k === binExp_1.left.kind; }) && forbidObjPropOnLeftSideOf.some(function (k) { return k === binExp_1.operatorToken.kind; })) { this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING)); } } // No deleting object properties if (node && node.kind === ts.SyntaxKind.DeleteExpression) { var delExp_1 = node; Eif (objPropAccessors.some(function (k) { return k === delExp_1.expression.kind; })) { this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING)); } } // No prefix inc/dec if (node && node.kind === ts.SyntaxKind.PrefixUnaryExpression) { var preExp_1 = node; if (objPropAccessors.some(function (k) { return k === preExp_1.operand.kind; }) && forbidUnaryOps.some(function (o) { return o === preExp_1.operator; })) { this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING)); } } // No postfix inc/dec if (node && node.kind === ts.SyntaxKind.PostfixUnaryExpression) { var postExp_1 = node; Eif (objPropAccessors.some(function (k) { return k === postExp_1.operand.kind; }) && forbidUnaryOps.some(function (o) { return o === postExp_1.operator; })) { this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING)); } } _super.prototype.visitNode.call(this, node); }; return NoObjectMutationWalker; }(Lint.RuleWalker)); |