"use strict"; /** * @license * Copyright 2016 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.applyWithProgram = function (sourceFile, program) { return this.applyWithFunction(sourceFile, function (ctx) { return walk(ctx, program.getTypeChecker()); }, ["Promise"].concat(this.ruleArguments)); }; return Rule; }(Lint.Rules.TypedRule)); /* tslint:disable:object-literal-sort-keys */ Rule.metadata = { ruleName: "no-floating-promises", description: "Promises returned by functions must be handled appropriately.", descriptionDetails: "Use `no-unused-expressions` in addition to this rule to reveal even more floating promises.", optionsDescription: (_a = ["\n A list of 'string' names of any additional classes that should also be handled as Promises.\n "], _a.raw = ["\n A list of \\'string\\' names of any additional classes that should also be handled as Promises.\n "], Lint.Utils.dedent(_a)), options: { type: "list", listType: { type: "array", items: { type: "string" }, }, }, optionExamples: [true, [true, "JQueryPromise"]], rationale: "Unhandled Promises can cause unexpected behavior, such as resolving at unexpected times.", type: "functionality", typescriptOnly: true, requiresTypeInfo: true, }; /* tslint:enable:object-literal-sort-keys */ Rule.FAILURE_STRING = "Promises must be handled appropriately"; exports.Rule = Rule; function walk(ctx, tc) { return ts.forEachChild(ctx.sourceFile, function cb(node) { if (tsutils_1.isExpressionStatement(node) && node.expression.kind === ts.SyntaxKind.CallExpression) { var symbol = tc.getTypeAtLocation(node.expression).symbol; if (symbol !== undefined && ctx.options.indexOf(symbol.name) !== -1) { ctx.addFailureAtNode(node.expression, Rule.FAILURE_STRING); } } return ts.forEachChild(node, cb); }); } var _a;