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authorFlorian Dold <florian.dold@gmail.com>2019-03-27 21:01:33 +0100
committerFlorian Dold <florian.dold@gmail.com>2019-03-27 21:01:33 +0100
commitcc97a4dd2a967e1c2273bd5f4c5f49a5bf2e2585 (patch)
tree92c5d88706a6ffc654d1b133618d357890e7096b /node_modules/tslint/lib/rules/preferConditionalExpressionRule.js
parent3771b4d6b67b34c130f3a9a1a15f42deefdb2eda (diff)
remove node_modules
Diffstat (limited to 'node_modules/tslint/lib/rules/preferConditionalExpressionRule.js')
-rw-r--r--node_modules/tslint/lib/rules/preferConditionalExpressionRule.js112
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;