diff options
Diffstat (limited to 'node_modules/tslint/lib/rules/preferMethodSignatureRule.js')
-rw-r--r-- | node_modules/tslint/lib/rules/preferMethodSignatureRule.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/node_modules/tslint/lib/rules/preferMethodSignatureRule.js b/node_modules/tslint/lib/rules/preferMethodSignatureRule.js new file mode 100644 index 000000000..1fec5e6cf --- /dev/null +++ b/node_modules/tslint/lib/rules/preferMethodSignatureRule.js @@ -0,0 +1,60 @@ +"use strict"; +/** + * @license + * Copyright 2017 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: "prefer-method-signature", + description: "Prefer `foo(): void` over `foo: () => void` in interfaces and types.", + hasFix: true, + optionsDescription: "Not configurable.", + options: null, + optionExamples: [true], + type: "style", + typescriptOnly: false, +}; +/* tslint:enable:object-literal-sort-keys */ +Rule.FAILURE_STRING = "Use a method signature instead of a property signature of function type."; +exports.Rule = Rule; +function walk(ctx) { + return ts.forEachChild(ctx.sourceFile, function cb(node) { + if (tsutils_1.isPropertySignature(node)) { + var type = node.type; + if (type !== undefined && tsutils_1.isFunctionTypeNode(type)) { + ctx.addFailureAtNode(node.name, Rule.FAILURE_STRING, type.type === undefined ? undefined : [ + Lint.Replacement.deleteFromTo(Lint.childOfKind(node, ts.SyntaxKind.ColonToken).getStart(), type.getStart()), + Lint.Replacement.replaceFromTo(Lint.childOfKind(type, ts.SyntaxKind.EqualsGreaterThanToken).pos, type.type.pos, ":"), + ]); + } + } + return ts.forEachChild(node, cb); + }); +} |