--- /dev/null
+"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 tsutils = require("tsutils");
+var ts = require("typescript");
+var Lint = require("../index");
+var OPTION_ALLOW_POST = "allow-post";
+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) {
+ var options = {
+ allowPost: this.ruleArguments.indexOf(OPTION_ALLOW_POST) !== -1,
+ };
+ return this.applyWithFunction(sourceFile, walk, options);
+ };
+ Rule.metadata = {
+ description: "Enforces using explicit += 1 or -= 1 operators.",
+ optionExamples: [true, [true, OPTION_ALLOW_POST]],
+ options: {
+ items: {
+ enum: [OPTION_ALLOW_POST],
+ type: "string",
+ },
+ maxLength: 1,
+ minLength: 0,
+ type: "array",
+ },
+ optionsDescription: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n If no arguments are provided, both pre- and post-unary operators are banned.\n If `\"", "\"` is provided, post-unary operators will be allowed.\n "], ["\n If no arguments are provided, both pre- and post-unary operators are banned.\n If \\`\"", "\"\\` is provided, post-unary operators will be allowed.\n "])), OPTION_ALLOW_POST),
+ rationale: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n It's easy to type +i or -i instead of --i or ++i, and won't always result in invalid code.\n Prefer standardizing small arithmetic operations with the explicit += and -= operators.\n "], ["\n It's easy to type +i or -i instead of --i or ++i, and won't always result in invalid code.\n Prefer standardizing small arithmetic operations with the explicit += and -= operators.\n "]))),
+ ruleName: "increment-decrement",
+ type: "style",
+ typescriptOnly: false,
+ };
+ Rule.FAILURE_STRING_FACTORY = function (newOperatorText) {
+ return "Use an explicit " + newOperatorText + " operator.";
+ };
+ return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+function walk(context) {
+ function createReplacement(node, newOperatorText) {
+ var text = node.operand.getText(context.sourceFile) + " " + newOperatorText;
+ if (node.parent !== undefined && tsutils.isBinaryExpression(node.parent)) {
+ text = "(" + text + ")";
+ }
+ return Lint.Replacement.replaceNode(node, text);
+ }
+ function complainOnNode(node) {
+ var newOperatorText = node.operator === ts.SyntaxKind.PlusPlusToken ? "+= 1" : "-= 1";
+ var replacement;
+ if (tsutils.isPrefixUnaryExpression(node) ||
+ node.parent.kind === ts.SyntaxKind.ExpressionStatement) {
+ replacement = createReplacement(node, newOperatorText);
+ }
+ var failure = Rule.FAILURE_STRING_FACTORY(newOperatorText);
+ context.addFailureAtNode(node, failure, replacement);
+ }
+ function checkPostfixUnaryExpression(node) {
+ if (!context.options.allowPost && isIncrementOrDecrementOperator(node.operator)) {
+ complainOnNode(node);
+ }
+ }
+ function checkPrefixUnaryExpression(node) {
+ if (isIncrementOrDecrementOperator(node.operator)) {
+ complainOnNode(node);
+ }
+ }
+ return ts.forEachChild(context.sourceFile, function callback(node) {
+ if (tsutils.isPostfixUnaryExpression(node)) {
+ checkPostfixUnaryExpression(node);
+ }
+ else if (tsutils.isPrefixUnaryExpression(node)) {
+ checkPrefixUnaryExpression(node);
+ }
+ return ts.forEachChild(node, callback);
+ });
+}
+function isIncrementOrDecrementOperator(operator) {
+ return operator === ts.SyntaxKind.PlusPlusToken || operator === ts.SyntaxKind.MinusMinusToken;
+}
+var templateObject_1, templateObject_2;