--- /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("..");
+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.applyWithWalker(new NewlinePerChainedCallWalker(sourceFile, this.ruleName, undefined));
+ };
+ /* tslint:disable:object-literal-sort-keys */
+ Rule.metadata = {
+ ruleName: "newline-per-chained-call",
+ description: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Requires that chained method calls be broken apart onto separate lines."], ["\n Requires that chained method calls be broken apart onto separate lines."]))),
+ rationale: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n This style helps to keep code 'vertical', avoiding the need for side-scrolling in IDEs or text editors."], ["\n This style helps to keep code 'vertical', avoiding the need for side-scrolling in IDEs or text editors."]))),
+ optionsDescription: "Not configurable",
+ options: null,
+ type: "style",
+ typescriptOnly: false,
+ };
+ /* tslint:enable:object-literal-sort-keys */
+ Rule.FAILURE_STRING = "When chaining calls, put method calls on new lines.";
+ return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+var NewlinePerChainedCallWalker = /** @class */ (function (_super) {
+ tslib_1.__extends(NewlinePerChainedCallWalker, _super);
+ function NewlinePerChainedCallWalker() {
+ return _super !== null && _super.apply(this, arguments) || this;
+ }
+ NewlinePerChainedCallWalker.prototype.walk = function (sourceFile) {
+ var _this = this;
+ var checkForSameLine = function (node) {
+ if (tsutils_1.isCallExpression(node) &&
+ tsutils_1.isPropertyAccessExpression(node.expression) &&
+ tsutils_1.isSameLine(sourceFile, node.expression.expression.end, node.expression.name.pos) &&
+ hasChildCall(node.expression)) {
+ _this.addFailure(node.expression.name.pos - 1, node.expression.name.end, Rule.FAILURE_STRING);
+ }
+ return ts.forEachChild(node, checkForSameLine);
+ };
+ return ts.forEachChild(sourceFile, checkForSameLine);
+ };
+ return NewlinePerChainedCallWalker;
+}(Lint.AbstractWalker));
+function hasChildCall(node) {
+ var _a;
+ var expression = node.expression;
+ while (tsutils_1.isPropertyAccessExpression(expression) || tsutils_1.isElementAccessExpression(expression)) {
+ (_a = expression, expression = _a.expression);
+ }
+ return expression.kind === ts.SyntaxKind.CallExpression;
+}
+var templateObject_1, templateObject_2;