1 files changed, 87 insertions, 0 deletions
diff --git a/node_modules/tslint/lib/rules/objectLiteralSortKeysRule.js b/node_modules/tslint/lib/rules/objectLiteralSortKeysRule.js
new file mode 100644
index 000000000..fc116ec1e
--- /dev/null
+++ b/node_modules/tslint/lib/rules/objectLiteralSortKeysRule.js
@@ -0,0 +1,87 @@
+"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_1 = require("tsutils");
+var ts = require("typescript");
+var Lint = require("../index");
+var OPTION_IGNORE_CASE = "ignore-case";
+var Rule = (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_FACTORY = function (name) {
+        return "The key '" + name + "' is not sorted alphabetically";
+    };
+    Rule.prototype.apply = function (sourceFile) {
+        return this.applyWithFunction(sourceFile, walk, {
+            ignoreCase: this.ruleArguments.indexOf(OPTION_IGNORE_CASE) !== -1,
+        });
+    };
+    return Rule;
+}(Lint.Rules.AbstractRule));
+/* tslint:disable:object-literal-sort-keys */
+Rule.metadata = {
+    ruleName: "object-literal-sort-keys",
+    description: "Requires keys in object literals to be sorted alphabetically",
+    rationale: "Useful in preventing merge conflicts",
+    optionsDescription: "You may optionally pass \"" + OPTION_IGNORE_CASE + "\" to compare keys case insensitive.",
+    options: {
+        type: "string",
+        enum: [OPTION_IGNORE_CASE],
+    },
+    optionExamples: [
+        true,
+        [true, OPTION_IGNORE_CASE],
+    ],
+    type: "maintainability",
+    typescriptOnly: false,
+};
+exports.Rule = Rule;
+function walk(ctx) {
+    return ts.forEachChild(ctx.sourceFile, function cb(node) {
+        if (tsutils_1.isObjectLiteralExpression(node) && node.properties.length > 1 &&
+            !tsutils_1.isSameLine(ctx.sourceFile, node.properties.pos, node.end)) {
+            var lastKey = void 0;
+            var ignoreCase = ctx.options.ignoreCase;
+            outer: for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
+                var property = _a[_i];
+                switch (property.kind) {
+                    case ts.SyntaxKind.SpreadAssignment:
+                        lastKey = undefined; // reset at spread
+                        break;
+                    case ts.SyntaxKind.ShorthandPropertyAssignment:
+                    case ts.SyntaxKind.PropertyAssignment:
+                        if (property.name.kind === ts.SyntaxKind.Identifier ||
+                            property.name.kind === ts.SyntaxKind.StringLiteral) {
+                            var key = ignoreCase ? property.name.text.toLowerCase() : property.name.text;
+                            // comparison with undefined is expected
+                            if (lastKey > key) {
+                                ctx.addFailureAtNode(property.name, Rule.FAILURE_STRING_FACTORY(property.name.text));
+                                break outer; // only show warning on first out-of-order property
+                            }
+                            lastKey = key;
+                        }
+                }
+            }
+        }
+        return ts.forEachChild(node, cb);
+    });
+}