diff options
Diffstat (limited to 'node_modules/tslint/lib/rules/noFloatingPromisesRule.js')
-rw-r--r-- | node_modules/tslint/lib/rules/noFloatingPromisesRule.js | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/node_modules/tslint/lib/rules/noFloatingPromisesRule.js b/node_modules/tslint/lib/rules/noFloatingPromisesRule.js deleted file mode 100644 index f6d8c1e0d..000000000 --- a/node_modules/tslint/lib/rules/noFloatingPromisesRule.js +++ /dev/null @@ -1,79 +0,0 @@ -"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 = /** @class */ (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, walk, ["Promise"].concat(this.ruleArguments), program.getTypeChecker()); - }; - /* tslint:disable:object-literal-sort-keys */ - Rule.metadata = { - ruleName: "no-floating-promises", - description: "Promises returned by functions must be handled appropriately.", - descriptionDetails: "Unhandled Promises can cause unexpected behavior, such as resolving at unexpected times.", - optionsDescription: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n A list of 'string' names of any additional classes that should also be handled as Promises.\n "], ["\n A list of \\'string\\' names of any additional classes that should also be handled as Promises.\n "]))), - options: { - type: "list", - listType: { - type: "array", - items: { type: "string" }, - }, - }, - optionExamples: [true, [true, "JQueryPromise"]], - rationale: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n Creating a Promise and not storing or returning it may let other code run independently of its result.\n This can cause unexpected and/or non-deterministic behavior depending on external timing factors.\n\n It's typically better to return Promises from functions that start them, then handle them in calling code.\n\n Use `no-unused-expression` in addition to this rule to reveal even more floating promises.\n "], ["\n Creating a Promise and not storing or returning it may let other code run independently of its result.\n This can cause unexpected and/or non-deterministic behavior depending on external timing factors.\n\n It's typically better to return Promises from functions that start them, then handle them in calling code.\n\n Use \\`no-unused-expression\\` in addition to this rule to reveal even more floating promises.\n "]))), - type: "functionality", - typescriptOnly: true, - requiresTypeInfo: true, - }; - /* tslint:enable:object-literal-sort-keys */ - Rule.FAILURE_STRING = "Promises must be handled appropriately"; - return Rule; -}(Lint.Rules.TypedRule)); -exports.Rule = Rule; -function walk(ctx, tc) { - return ts.forEachChild(ctx.sourceFile, function cb(node) { - if (tsutils_1.isExpressionStatement(node)) { - var expression = node.expression; - if (tsutils_1.isCallExpression(expression) && - !isPromiseCatchCall(expression) && - !isPromiseThenCallWithRejectionHandler(expression)) { - var symbol = tc.getTypeAtLocation(expression).symbol; - if (symbol !== undefined && ctx.options.indexOf(symbol.name) !== -1) { - ctx.addFailureAtNode(expression, Rule.FAILURE_STRING); - } - } - } - return ts.forEachChild(node, cb); - }); -} -function isPromiseCatchCall(expression) { - return tsutils_1.isPropertyAccessExpression(expression.expression) && expression.expression.name.text === "catch"; -} -function isPromiseThenCallWithRejectionHandler(expression) { - return tsutils_1.isPropertyAccessExpression(expression.expression) && - expression.expression.name.text === "then" && - expression.arguments.length >= 2; -} -var templateObject_1, templateObject_2; |