github-pages-deploy-action/node_modules/tslint/lib/rules/radixRule.js
2019-11-19 07:48:29 -05:00

90 lines
4.5 KiB
JavaScript

"use strict";
/**
* @license
* Copyright 2013 Palantir Technologies, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var tsutils_1 = require("tsutils");
var ts = require("typescript");
var Lint = require("../index");
var radix_examples_1 = require("./code-examples/radix.examples");
var Rule = /** @class */ (function (_super) {
tslib_1.__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.apply = function (sourceFile) {
return this.applyWithFunction(sourceFile, walk);
};
/* tslint:disable:object-literal-sort-keys */
Rule.metadata = {
ruleName: "radix",
description: "Requires the radix parameter to be specified when calling `parseInt`.",
rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\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."], ["\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."]))),
optionsDescription: "Not configurable.",
options: null,
optionExamples: [true],
type: "functionality",
typescriptOnly: false,
codeExamples: radix_examples_1.codeExamples,
};
/* tslint:enable:object-literal-sort-keys */
Rule.FAILURE_STRING = "Missing radix parameter";
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function isParseInt(expression) {
return tsutils_1.isIdentifier(expression) && expression.text === "parseInt";
}
function isPropertyAccessParseInt(expression) {
return tsutils_1.isPropertyAccessExpression(expression) && expression.name.text === "parseInt";
}
function isPropertyAccessOfIdentifier(expression, identifiers) {
return (tsutils_1.isPropertyAccessExpression(expression) &&
tsutils_1.isIdentifier(expression.expression) &&
identifiers.some(function (identifier) { return expression.expression.text === identifier; }));
}
function isPropertyAccessOfProperty(expression, identifiers) {
return (tsutils_1.isPropertyAccessExpression(expression) &&
tsutils_1.isPropertyAccessExpression(expression.expression) &&
identifiers.some(function (identifier) {
return expression.expression.name.text === identifier;
}));
}
function walk(ctx) {
return ts.forEachChild(ctx.sourceFile, function cb(node) {
if (tsutils_1.isCallExpression(node) &&
node.arguments.length === 1 &&
// parseInt("123")
(isParseInt(node.expression) ||
// window.parseInt("123") || global.parseInt("123") || Number.parseInt("123")
(isPropertyAccessParseInt(node.expression) &&
isPropertyAccessOfIdentifier(node.expression, [
"global",
"window",
"Number",
])) ||
// window.Number.parseInt("123") || global.Number.parseInt("123")
(isPropertyAccessParseInt(node.expression) &&
isPropertyAccessOfProperty(node.expression, ["Number"]) &&
isPropertyAccessOfIdentifier(node.expression.expression, ["global", "window"])))) {
ctx.addFailureAtNode(node, Rule.FAILURE_STRING);
}
return ts.forEachChild(node, cb);
});
}
var templateObject_1;