+++ /dev/null
-"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_ALWAYS = "always";
-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, {
- always: this.ruleArguments.indexOf(OPTION_ALWAYS) !== -1,
- });
- };
- /* tslint:disable:object-literal-sort-keys */
- Rule.metadata = {
- ruleName: "switch-final-break",
- description: "Checks whether the final clause of a switch statement ends in `break;`.",
- hasFix: true,
- optionsDescription: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n If no options are passed, a final 'break;' is forbidden.\n If the \"always\" option is passed this will require a 'break;' to always be present\n unless control flow is escaped in some other way."], ["\n If no options are passed, a final 'break;' is forbidden.\n If the \"always\" option is passed this will require a 'break;' to always be present\n unless control flow is escaped in some other way."]))),
- options: {
- type: "string",
- enum: [OPTION_ALWAYS],
- },
- optionExamples: [true, [true, OPTION_ALWAYS]],
- type: "style",
- typescriptOnly: false,
- };
- /* tslint:enable:object-literal-sort-keys */
- Rule.FAILURE_STRING_ALWAYS = "Final clause in 'switch' statement should end with 'break;'.";
- Rule.FAILURE_STRING_NEVER = "Final clause in 'switch' statement should not end with 'break;'.";
- return Rule;
-}(Lint.Rules.AbstractRule));
-exports.Rule = Rule;
-function walk(ctx) {
- var sourceFile = ctx.sourceFile, always = ctx.options.always;
- ts.forEachChild(sourceFile, function cb(node) {
- if (tsutils_1.isSwitchStatement(node)) {
- check(node);
- }
- ts.forEachChild(node, cb);
- });
- function check(node) {
- var clause = last(node.caseBlock.clauses);
- if (clause === undefined) {
- return;
- }
- if (always) {
- if (!tsutils_1.endsControlFlow(clause)) {
- ctx.addFailureAtNode(clause.getChildAt(0), Rule.FAILURE_STRING_ALWAYS, createAddFix(clause));
- }
- return;
- }
- var lastStatement = getLastStatement(clause);
- if (lastStatement === undefined || !tsutils_1.isBreakStatement(lastStatement)) {
- return;
- }
- if (lastStatement.label !== undefined) {
- var parent = node.parent;
- if (!tsutils_1.isLabeledStatement(parent) || parent.label === lastStatement.label) {
- // break jumps somewhere else, don't complain
- return;
- }
- }
- ctx.addFailureAtNode(lastStatement, Rule.FAILURE_STRING_NEVER, createRemoveFix(lastStatement));
- }
- function createAddFix(clause) {
- var lastStatement = getLastStatement(clause);
- if (lastStatement === undefined) {
- return Lint.Replacement.appendText(clause.end, " break;");
- }
- var fullText = lastStatement.getFullText(ctx.sourceFile);
- var indentation = fullText.slice(0, fullText.search(/\S+/));
- return Lint.Replacement.appendText(lastStatement.end, indentation + "break;");
- }
- function createRemoveFix(lastStatement) {
- return Lint.Replacement.replaceFromTo(lastStatement.getFullStart(), lastStatement.end, "");
- }
-}
-function getLastStatement(clause) {
- if (clause.statements.length === 0) {
- return undefined;
- }
- var block = clause.statements[0];
- var statements = clause.statements.length === 1 && tsutils_1.isBlock(block) ? block.statements : clause.statements;
- return last(statements);
-}
-function last(arr) {
- return arr[arr.length - 1];
-}
-var templateObject_1;