radixRule.js
2.45 KB
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
"use strict";
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var ts = require("typescript");
var Lint = require("../lint");
var Rule = (function (_super) {
__extends(Rule, _super);
function Rule() {
_super.apply(this, arguments);
}
Rule.prototype.apply = function (sourceFile) {
var radixWalker = new RadixWalker(sourceFile, this.getOptions());
return this.applyWithWalker(radixWalker);
};
Rule.metadata = {
ruleName: "radix",
description: "Requires the radix parameter to be specified when calling `parseInt`.",
rationale: (_a = ["\n From [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseInt): \n > Always specify this parameter to eliminate reader confusion and to guarantee predictable behavior.\n > Different implementations produce different results when a radix is not specified, usually defaulting the value to 10."], _a.raw = ["\n From [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseInt): \n > Always specify this parameter to eliminate reader confusion and to guarantee predictable behavior.\n > Different implementations produce different results when a radix is not specified, usually defaulting the value to 10."], Lint.Utils.dedent(_a)),
optionsDescription: "Not configurable.",
options: null,
optionExamples: ["true"],
type: "functionality",
};
Rule.FAILURE_STRING = "Missing radix parameter";
return Rule;
var _a;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
var RadixWalker = (function (_super) {
__extends(RadixWalker, _super);
function RadixWalker() {
_super.apply(this, arguments);
}
RadixWalker.prototype.visitCallExpression = function (node) {
var expression = node.expression;
if (expression.kind === ts.SyntaxKind.Identifier
&& node.getFirstToken().getText() === "parseInt"
&& node.arguments.length < 2) {
this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING));
}
_super.prototype.visitCallExpression.call(this, node);
};
return RadixWalker;
}(Lint.RuleWalker));