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authorFlorian Dold <florian.dold@gmail.com>2017-05-28 00:38:50 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-05-28 00:40:43 +0200
commit7fff4499fd915bcea3fa93b1aa8b35f4fe7a6027 (patch)
tree6de9a1aebd150a23b7f8c273ec657a5d0a18fe3e /node_modules/tslint/lib/rules/noEmptyRule.js
parent963b7a41feb29cc4be090a2446bdfe0c1f1bcd81 (diff)
add linting (and some initial fixes)
Diffstat (limited to 'node_modules/tslint/lib/rules/noEmptyRule.js')
-rw-r--r--node_modules/tslint/lib/rules/noEmptyRule.js73
1 files changed, 73 insertions, 0 deletions
diff --git a/node_modules/tslint/lib/rules/noEmptyRule.js b/node_modules/tslint/lib/rules/noEmptyRule.js
new file mode 100644
index 000000000..29a0a496d
--- /dev/null
+++ b/node_modules/tslint/lib/rules/noEmptyRule.js
@@ -0,0 +1,73 @@
+"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 Rule = (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);
+ };
+ return Rule;
+}(Lint.Rules.AbstractRule));
+/* tslint:disable:object-literal-sort-keys */
+Rule.metadata = {
+ ruleName: "no-empty",
+ description: "Disallows empty blocks.",
+ descriptionDetails: "Blocks with a comment inside are not considered empty.",
+ rationale: "Empty blocks are often indicators of missing code.",
+ optionsDescription: "Not configurable.",
+ options: null,
+ optionExamples: [true],
+ type: "functionality",
+ typescriptOnly: false,
+};
+/* tslint:enable:object-literal-sort-keys */
+Rule.FAILURE_STRING = "block is empty";
+exports.Rule = Rule;
+function walk(ctx) {
+ return ts.forEachChild(ctx.sourceFile, function cb(node) {
+ if (node.kind === ts.SyntaxKind.Block &&
+ node.statements.length === 0 &&
+ !isExcludedConstructor(node.parent)) {
+ var start = node.getStart(ctx.sourceFile);
+ // Block always starts with open brace. Adding 1 to its start gives us the end of the brace,
+ // which can be used to conveniently check for comments between braces
+ if (Lint.hasCommentAfterPosition(ctx.sourceFile.text, start + 1)) {
+ return;
+ }
+ return ctx.addFailure(start, node.end, Rule.FAILURE_STRING);
+ }
+ return ts.forEachChild(node, cb);
+ });
+}
+function isExcludedConstructor(node) {
+ return tsutils_1.isConstructorDeclaration(node) &&
+ (
+ /* If constructor is private or protected, the block is allowed to be empty.
+ The constructor is there on purpose to disallow instantiation from outside the class */
+ /* The public modifier does not serve a purpose here. It can only be used to allow instantiation of a base class where
+ the super constructor is protected. But then the block would not be empty, because of the call to super() */
+ tsutils_1.hasModifier(node.modifiers, ts.SyntaxKind.PrivateKeyword, ts.SyntaxKind.ProtectedKeyword) ||
+ node.parameters.some(tsutils_1.isParameterProperty));
+}