| 1 | "use strict";
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| 2 | var __extends = (this && this.__extends) || (function () {
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| 3 | var extendStatics = function (d, b) {
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| 4 | extendStatics = Object.setPrototypeOf ||
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| 5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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| 6 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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| 7 | return extendStatics(d, b);
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| 8 | }
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| 9 | return function (d, b) {
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| 10 | extendStatics(d, b);
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| 11 | function __() { this.constructor = d; }
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| 12 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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| 13 | };
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| 14 | })();
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| 15 | Object.defineProperty(exports, "__esModule", { value: true });
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| 16 | var ts = require("typescript");
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| 17 | var Lint = require("tslint");
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| 18 | var tsutils = require("tsutils");
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| 19 | var Rule = (function (_super) {
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| 20 | __extends(Rule, _super);
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| 21 | function Rule() {
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| 22 | return _super !== null && _super.apply(this, arguments) || this;
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| 23 | }
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| 24 | Rule.prototype.apply = function (sourceFile) {
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| 25 | return this.applyWithFunction(sourceFile, walk);
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| 26 | };
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| 27 | Rule.metadata = {
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| 28 | ruleName: 'no-control-regex',
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| 29 | type: 'maintainability',
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| 30 | description: 'Do not use control characters in regular expressions',
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| 31 | options: null,
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| 32 | optionsDescription: '',
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| 33 | typescriptOnly: true,
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| 34 | issueClass: 'Non-SDL',
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| 35 | issueType: 'Warning',
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| 36 | severity: 'Important',
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| 37 | level: 'Opportunity for Excellence',
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| 38 | group: 'Correctness'
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| 39 | };
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| 40 | Rule.FAILURE_STRING = 'Unexpected control character in regular expression';
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| 41 | return Rule;
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| 42 | }(Lint.Rules.AbstractRule));
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| 43 | exports.Rule = Rule;
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| 44 | function walk(ctx) {
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| 45 | function cb(node) {
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| 46 | if (tsutils.isNewExpression(node) || tsutils.isCallExpression(node)) {
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| 47 | validateCall(node);
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| 48 | }
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| 49 | if (tsutils.isRegularExpressionLiteral(node)) {
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| 50 | if (/(\\x[0-1][0-9a-f])/.test(node.getText())) {
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| 51 | ctx.addFailureAt(node.getStart(), node.getWidth(), Rule.FAILURE_STRING);
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| 52 | }
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| 53 | }
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| 54 | return ts.forEachChild(node, cb);
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| 55 | }
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| 56 | return ts.forEachChild(ctx.sourceFile, cb);
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| 57 | function validateCall(expression) {
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| 58 | if (expression.expression.getText() === 'RegExp' && expression.arguments && expression.arguments.length > 0) {
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| 59 | var arg = expression.arguments[0];
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| 60 | if (tsutils.isStringLiteral(arg)) {
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| 61 | var regexpText = arg.text;
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| 62 | if (/[\x00-\x1f]/.test(regexpText)) {
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| 63 | ctx.addFailureAt(arg.getStart(), arg.getWidth(), Rule.FAILURE_STRING);
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| 64 | }
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| 65 | }
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| 66 | }
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| 67 | }
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| 68 | }
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| 69 | |
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