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/preferConditionalExpressionRule.js | |
parent | 3771b4d6b67b34c130f3a9a1a15f42deefdb2eda (diff) |
remove node_modules
Diffstat (limited to 'node_modules/tslint/lib/rules/preferConditionalExpressionRule.js')
-rw-r--r-- | node_modules/tslint/lib/rules/preferConditionalExpressionRule.js | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/node_modules/tslint/lib/rules/preferConditionalExpressionRule.js b/node_modules/tslint/lib/rules/preferConditionalExpressionRule.js deleted file mode 100644 index cd7a5ea33..000000000 --- a/node_modules/tslint/lib/rules/preferConditionalExpressionRule.js +++ /dev/null @@ -1,112 +0,0 @@ -"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 OPTION_CHECK_ELSE_IF = "check-else-if"; -var Rule = /** @class */ (function (_super) { - tslib_1.__extends(Rule, _super); - function Rule() { - return _super !== null && _super.apply(this, arguments) || this; - } - /* tslint:enable:object-literal-sort-keys */ - Rule.FAILURE_STRING = function (assigned) { - return "Use a conditional expression instead of assigning to '" + assigned + "' in multiple places."; - }; - Rule.prototype.apply = function (sourceFile) { - return this.applyWithFunction(sourceFile, walk, { - checkElseIf: this.ruleArguments.indexOf(OPTION_CHECK_ELSE_IF) !== -1, - }); - }; - /* tslint:disable:object-literal-sort-keys */ - Rule.metadata = { - ruleName: "prefer-conditional-expression", - description: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Recommends to use a conditional expression instead of assigning to the same thing in each branch of an if statement."], ["\n Recommends to use a conditional expression instead of assigning to the same thing in each branch of an if statement."]))), - rationale: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n This reduces duplication and can eliminate an unnecessary variable declaration."], ["\n This reduces duplication and can eliminate an unnecessary variable declaration."]))), - optionsDescription: "If `" + OPTION_CHECK_ELSE_IF + "` is specified, the rule also checks nested if-else-if statements.", - options: { - type: "string", - enum: [OPTION_CHECK_ELSE_IF], - }, - optionExamples: [true, [true, OPTION_CHECK_ELSE_IF]], - type: "functionality", - typescriptOnly: false, - }; - return Rule; -}(Lint.Rules.AbstractRule)); -exports.Rule = Rule; -function walk(ctx) { - var sourceFile = ctx.sourceFile, checkElseIf = ctx.options.checkElseIf; - return ts.forEachChild(sourceFile, function cb(node) { - if (tsutils_1.isIfStatement(node)) { - var assigned = detectAssignment(node, sourceFile, checkElseIf); - if (assigned !== undefined) { - ctx.addFailureAtNode(node.getChildAt(0, sourceFile), Rule.FAILURE_STRING(assigned.getText(sourceFile))); - } - if (assigned !== undefined || !checkElseIf) { - // Be careful not to fail again for the "else if" - do { - ts.forEachChild(node.expression, cb); - ts.forEachChild(node.thenStatement, cb); - if (node.elseStatement === undefined) { - return; - } - node = node.elseStatement; - while (tsutils_1.isBlock(node) && node.statements.length === 1) { - node = node.statements[0]; - } - } while (tsutils_1.isIfStatement(node)); - } - } - return ts.forEachChild(node, cb); - }); -} -/** - * @param inElse `undefined` when this is the top level if statement, `false` when inside the then branch, `true` when inside else - */ -function detectAssignment(statement, sourceFile, checkElseIf, inElse) { - if (tsutils_1.isIfStatement(statement)) { - if (inElse === false || !checkElseIf && inElse || statement.elseStatement === undefined) { - return undefined; - } - var then = detectAssignment(statement.thenStatement, sourceFile, checkElseIf, false); - if (then === undefined) { - return undefined; - } - var elze = detectAssignment(statement.elseStatement, sourceFile, checkElseIf, true); - return elze !== undefined && nodeEquals(then, elze, sourceFile) ? then : undefined; - } - else if (tsutils_1.isBlock(statement)) { - return statement.statements.length === 1 - ? detectAssignment(statement.statements[0], sourceFile, checkElseIf, inElse) - : undefined; - } - else if (tsutils_1.isExpressionStatement(statement) && tsutils_1.isBinaryExpression(statement.expression)) { - var _a = statement.expression, kind = _a.operatorToken.kind, left = _a.left, right = _a.right; - return kind === ts.SyntaxKind.EqualsToken && tsutils_1.isSameLine(sourceFile, right.getStart(sourceFile), right.end) ? left : undefined; - } - else { - return undefined; - } -} -function nodeEquals(a, b, sourceFile) { - return a.getText(sourceFile) === b.getText(sourceFile); -} -var templateObject_1, templateObject_2; |