diff options
author | Florian Dold <florian.dold@gmail.com> | 2019-03-27 21:01:33 +0100 |
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committer | Florian Dold <florian.dold@gmail.com> | 2019-03-27 21:01:33 +0100 |
commit | cc97a4dd2a967e1c2273bd5f4c5f49a5bf2e2585 (patch) | |
tree | 92c5d88706a6ffc654d1b133618d357890e7096b /node_modules/tslint/lib/rules/noVoidExpressionRule.js | |
parent | 3771b4d6b67b34c130f3a9a1a15f42deefdb2eda (diff) |
remove node_modules
Diffstat (limited to 'node_modules/tslint/lib/rules/noVoidExpressionRule.js')
-rw-r--r-- | node_modules/tslint/lib/rules/noVoidExpressionRule.js | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/node_modules/tslint/lib/rules/noVoidExpressionRule.js b/node_modules/tslint/lib/rules/noVoidExpressionRule.js deleted file mode 100644 index 96742a87d..000000000 --- a/node_modules/tslint/lib/rules/noVoidExpressionRule.js +++ /dev/null @@ -1,88 +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 OPTION_IGNORE_ARROW_FUNCTION_SHORTHAND = "ignore-arrow-function-shorthand"; -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) { - var ignoreArrowFunctionShorthand = this.ruleArguments.indexOf(OPTION_IGNORE_ARROW_FUNCTION_SHORTHAND) !== -1; - return this.applyWithFunction(sourceFile, walk, { ignoreArrowFunctionShorthand: ignoreArrowFunctionShorthand }, program.getTypeChecker()); - }; - /* tslint:disable:object-literal-sort-keys */ - Rule.metadata = { - ruleName: "no-void-expression", - description: "Requires expressions of type `void` to appear in statement position.", - optionsDescription: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n If `", "` is provided, `() => returnsVoid()` will be allowed.\n Otherwise, it must be written as `() => { returnsVoid(); }`."], ["\n If \\`", "\\` is provided, \\`() => returnsVoid()\\` will be allowed.\n Otherwise, it must be written as \\`() => { returnsVoid(); }\\`."])), OPTION_IGNORE_ARROW_FUNCTION_SHORTHAND), - options: { - type: "array", - items: { - type: "string", - enum: [OPTION_IGNORE_ARROW_FUNCTION_SHORTHAND], - }, - minLength: 0, - maxLength: 1, - }, - rationale: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n It's misleading returning the results of an expression whose type is `void`.\n Attempting to do so is likely a symptom of expecting a different return type from a function.\n For example, the following code will log `undefined` but looks like it logs a value:\n\n ```\n const performWork = (): void => {\n workFirst();\n workSecond();\n };\n\n console.log(performWork());\n ```\n "], ["\n It's misleading returning the results of an expression whose type is \\`void\\`.\n Attempting to do so is likely a symptom of expecting a different return type from a function.\n For example, the following code will log \\`undefined\\` but looks like it logs a value:\n\n \\`\\`\\`\n const performWork = (): void => {\n workFirst();\n workSecond();\n };\n\n console.log(performWork());\n \\`\\`\\`\n "]))), - requiresTypeInfo: true, - type: "functionality", - typescriptOnly: false, - }; - /* tslint:enable:object-literal-sort-keys */ - Rule.FAILURE_STRING = "Expression has type `void`. Put it on its own line as a statement."; - return Rule; -}(Lint.Rules.TypedRule)); -exports.Rule = Rule; -function walk(ctx, checker) { - var sourceFile = ctx.sourceFile, ignoreArrowFunctionShorthand = ctx.options.ignoreArrowFunctionShorthand; - return ts.forEachChild(sourceFile, function cb(node) { - if (isPossiblyVoidExpression(node) - && !isParentAllowedVoid(node) - && tsutils_1.isTypeFlagSet(checker.getTypeAtLocation(node), ts.TypeFlags.Void)) { - ctx.addFailureAtNode(node, Rule.FAILURE_STRING); - } - return ts.forEachChild(node, cb); - }); - function isParentAllowedVoid(node) { - switch (node.parent.kind) { - case ts.SyntaxKind.ExpressionStatement: - return true; - case ts.SyntaxKind.ArrowFunction: - return ignoreArrowFunctionShorthand; - default: - return false; - } - } -} -function isPossiblyVoidExpression(node) { - switch (node.kind) { - case ts.SyntaxKind.AwaitExpression: - case ts.SyntaxKind.CallExpression: - case ts.SyntaxKind.TaggedTemplateExpression: - return true; - default: - return false; - } -} -var templateObject_1, templateObject_2; |