tslint-microsoft-contrib
Version:
TSLint Rules for Microsoft
94 lines • 3.82 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
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 extendStatics(d, b);
}
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 tsutils = require("tsutils");
var AstUtils_1 = require("./utils/AstUtils");
var FAILURE_STRING_MANIPULATION = 'Replace HTML string manipulation with jQuery API: ';
var FAILURE_STRING_COMPLEX = 'Replace complex HTML strings with jQuery API: ';
var Rule = (function (_super) {
__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.apply = function (sourceFile) {
return this.applyWithFunction(sourceFile, walk);
};
Rule.metadata = {
ruleName: 'no-jquery-raw-elements',
type: 'maintainability',
description: 'Do not create HTML elements using JQuery and string concatenation. It is error prone and can hide subtle defects.',
options: null,
optionsDescription: '',
typescriptOnly: true,
issueClass: 'Non-SDL',
issueType: 'Warning',
severity: 'Important',
level: 'Opportunity for Excellence',
group: 'Correctness',
commonWeaknessEnumeration: '398, 710'
};
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function walk(ctx) {
function isComplexHtmlElement(literal) {
var text = literal.text.trim();
if (/^<.*>$/.test(text) === false) {
return false;
}
if (/^<[A-Za-z]+\s*\/?>$/.test(text) === true) {
return false;
}
if (/^<[A-Za-z]+\s*>\s*<\/[A-Za-z]+\s*>$/m.test(text) === true) {
return false;
}
var match = text.match(/^<[A-Za-z]+\s*>(.*)<\/[A-Za-z]+\s*>$/m);
if (match !== null && match[1] !== undefined) {
var enclosedContent = match[1];
if (enclosedContent.indexOf('<') === -1 && enclosedContent.indexOf('>') === -1) {
return false;
}
}
return true;
}
function cb(node) {
if (tsutils.isCallExpression(node)) {
var functionName = AstUtils_1.AstUtils.getFunctionName(node);
if (AstUtils_1.AstUtils.isJQuery(functionName) && node.arguments.length > 0) {
var firstArg = node.arguments[0];
if (tsutils.isStringLiteral(firstArg)) {
if (isComplexHtmlElement(firstArg)) {
ctx.addFailureAt(node.getStart(), node.getWidth(), FAILURE_STRING_COMPLEX + node.getText());
}
}
else {
htmlLikeStringLiteralFinder(ctx, node);
}
}
}
return ts.forEachChild(node, cb);
}
return ts.forEachChild(ctx.sourceFile, cb);
}
function htmlLikeStringLiteralFinder(ctx, expr) {
var node = expr.arguments[0];
var textExpr = node.getText();
if (textExpr.indexOf('<') > -1 || textExpr.indexOf('>') > -1) {
ctx.addFailureAt(expr.getStart(), expr.getWidth(), FAILURE_STRING_MANIPULATION + expr.getText());
}
}
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