75 lines
4.1 KiB
JavaScript
75 lines
4.1 KiB
JavaScript
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"use strict";
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/**
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* @license
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* Copyright 2013 Palantir Technologies, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Rule = void 0;
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var tslib_1 = require("tslib");
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var ts = require("typescript");
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var Lint = require("../index");
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var Rule = /** @class */ (function (_super) {
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tslib_1.__extends(Rule, _super);
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function Rule() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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Rule.prototype.apply = function (sourceFile) {
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return this.applyWithFunction(sourceFile, walk);
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};
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/* tslint:disable:object-literal-sort-keys */
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Rule.metadata = {
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ruleName: "no-bitwise",
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description: "Disallows bitwise operators.",
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descriptionDetails: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Specifically, the following bitwise operators are banned:\n `&`, `&=`, `|`, `|=`,\n `^`, `^=`, `<<`, `<<=`,\n `>>`, `>>=`, `>>>`, `>>>=`, and `~`.\n This rule does not ban the use of `&` and `|` for intersection and union types."], ["\n Specifically, the following bitwise operators are banned:\n \\`&\\`, \\`&=\\`, \\`|\\`, \\`|=\\`,\n \\`^\\`, \\`^=\\`, \\`<<\\`, \\`<<=\\`,\n \\`>>\\`, \\`>>=\\`, \\`>>>\\`, \\`>>>=\\`, and \\`~\\`.\n This rule does not ban the use of \\`&\\` and \\`|\\` for intersection and union types."]))),
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rationale: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n Bitwise operators are often typos - for example `bool1 & bool2` instead of `bool1 && bool2`.\n They also can be an indicator of overly clever code which decreases maintainability."], ["\n Bitwise operators are often typos - for example \\`bool1 & bool2\\` instead of \\`bool1 && bool2\\`.\n They also can be an indicator of overly clever code which decreases maintainability."]))),
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optionsDescription: "Not configurable.",
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options: null,
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optionExamples: [true],
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type: "functionality",
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typescriptOnly: false,
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};
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/* tslint:enable:object-literal-sort-keys */
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Rule.FAILURE_STRING = "Forbidden bitwise operation";
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return Rule;
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}(Lint.Rules.AbstractRule));
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exports.Rule = Rule;
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function walk(ctx) {
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return ts.forEachChild(ctx.sourceFile, function cb(node) {
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if (node.kind === ts.SyntaxKind.BinaryExpression) {
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switch (node.operatorToken.kind) {
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case ts.SyntaxKind.AmpersandToken:
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case ts.SyntaxKind.AmpersandEqualsToken:
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case ts.SyntaxKind.BarToken:
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case ts.SyntaxKind.BarEqualsToken:
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case ts.SyntaxKind.CaretToken:
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case ts.SyntaxKind.CaretEqualsToken:
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case ts.SyntaxKind.LessThanLessThanToken:
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case ts.SyntaxKind.LessThanLessThanEqualsToken:
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case ts.SyntaxKind.GreaterThanGreaterThanToken:
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case ts.SyntaxKind.GreaterThanGreaterThanEqualsToken:
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case ts.SyntaxKind.GreaterThanGreaterThanGreaterThanToken:
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case ts.SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken:
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ctx.addFailureAtNode(node, Rule.FAILURE_STRING);
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}
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}
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else if (node.kind === ts.SyntaxKind.PrefixUnaryExpression &&
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node.operator === ts.SyntaxKind.TildeToken) {
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ctx.addFailureAtNode(node, Rule.FAILURE_STRING);
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}
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return ts.forEachChild(node, cb);
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});
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}
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var templateObject_1, templateObject_2;
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