diff options
Diffstat (limited to 'node_modules/tslint/lib/rules/onlyArrowFunctionsRule.js')
-rw-r--r-- | node_modules/tslint/lib/rules/onlyArrowFunctionsRule.js | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/node_modules/tslint/lib/rules/onlyArrowFunctionsRule.js b/node_modules/tslint/lib/rules/onlyArrowFunctionsRule.js deleted file mode 100644 index 672c59bb8..000000000 --- a/node_modules/tslint/lib/rules/onlyArrowFunctionsRule.js +++ /dev/null @@ -1,94 +0,0 @@ -"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 utils = require("tsutils"); -var ts = require("typescript"); -var Lint = require("../index"); -var OPTION_ALLOW_DECLARATIONS = "allow-declarations"; -var OPTION_ALLOW_NAMED_FUNCTIONS = "allow-named-functions"; -var Rule = /** @class */ (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, parseOptions(this.ruleArguments)); - }; - /* tslint:disable:object-literal-sort-keys */ - Rule.metadata = { - ruleName: "only-arrow-functions", - description: "Disallows traditional (non-arrow) function expressions.", - rationale: "Traditional functions don't bind lexical scope, which can lead to unexpected behavior when accessing 'this'.", - optionsDescription: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Two arguments may be optionally provided:\n\n * `\"", "\"` allows standalone function declarations.\n * `\"", "\"` allows the expression `function foo() {}` but not `function() {}`.\n "], ["\n Two arguments may be optionally provided:\n\n * \\`\"", "\"\\` allows standalone function declarations.\n * \\`\"", "\"\\` allows the expression \\`function foo() {}\\` but not \\`function() {}\\`.\n "])), OPTION_ALLOW_DECLARATIONS, OPTION_ALLOW_NAMED_FUNCTIONS), - options: { - type: "array", - items: { - type: "string", - enum: [OPTION_ALLOW_DECLARATIONS, OPTION_ALLOW_NAMED_FUNCTIONS], - }, - minLength: 0, - maxLength: 1, - }, - optionExamples: [true, [true, OPTION_ALLOW_DECLARATIONS, OPTION_ALLOW_NAMED_FUNCTIONS]], - type: "typescript", - typescriptOnly: false, - }; - /* tslint:enable:object-literal-sort-keys */ - Rule.FAILURE_STRING = "non-arrow functions are forbidden"; - return Rule; -}(Lint.Rules.AbstractRule)); -exports.Rule = Rule; -function parseOptions(ruleArguments) { - return { - allowDeclarations: hasOption(OPTION_ALLOW_DECLARATIONS), - allowNamedFunctions: hasOption(OPTION_ALLOW_NAMED_FUNCTIONS), - }; - function hasOption(name) { - return ruleArguments.indexOf(name) !== -1; - } -} -function walk(ctx) { - var sourceFile = ctx.sourceFile, _a = ctx.options, allowDeclarations = _a.allowDeclarations, allowNamedFunctions = _a.allowNamedFunctions; - return ts.forEachChild(sourceFile, function cb(node) { - switch (node.kind) { - case ts.SyntaxKind.FunctionDeclaration: - if (allowDeclarations) { - break; - } - // falls through - case ts.SyntaxKind.FunctionExpression: { - var f = node; - if (!(allowNamedFunctions && f.name !== undefined) && !functionIsExempt(f)) { - ctx.addFailureAtNode(utils.getChildOfKind(node, ts.SyntaxKind.FunctionKeyword, ctx.sourceFile), Rule.FAILURE_STRING); - } - } - } - return ts.forEachChild(node, cb); - }); -} -/** Generator functions and functions using `this` are allowed. */ -function functionIsExempt(node) { - return node.asteriskToken !== undefined || - node.parameters.length !== 0 && utils.isThisParameter(node.parameters[0]) || - node.body !== undefined && ts.forEachChild(node, usesThis) === true; -} -function usesThis(node) { - return node.kind === ts.SyntaxKind.ThisKeyword || !utils.hasOwnThisReference(node) && ts.forEachChild(node, usesThis); -} -var templateObject_1; |