add linting (and some initial fixes)

1 files changed, 97 insertions, 0 deletions

diff --git a/node_modules/tslint/lib/rules/noInvalidThisRule.js b/node_modules/tslint/lib/rules/noInvalidThisRule.js
new file mode 100644
index 000000000..b2fb22aa5
--- /dev/null
+++ b/node_modules/tslint/lib/rules/noInvalidThisRule.js
@@ -0,0 +1,97 @@
+"use strict";
+/**
+ * @license
+ * Copyright 2016 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 ts = require("typescript");
+var Lint = require("../index");
+var OPTION_FUNCTION_IN_METHOD = "check-function-in-method";
+var DEPRECATED_OPTION_FUNCTION_IN_METHOD = "no-this-in-function-in-method";
+var Rule = (function (_super) {
+    tslib_1.__extends(Rule, _super);
+    function Rule() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    Rule.prototype.apply = function (sourceFile) {
+        var _this = this;
+        var hasOption = function (name) { return _this.ruleArguments.indexOf(name) !== -1; };
+        var checkFuncInMethod = hasOption(DEPRECATED_OPTION_FUNCTION_IN_METHOD) || hasOption(OPTION_FUNCTION_IN_METHOD);
+        return this.applyWithFunction(sourceFile, walk, checkFuncInMethod);
+    };
+    return Rule;
+}(Lint.Rules.AbstractRule));
+/* tslint:disable:object-literal-sort-keys */
+Rule.metadata = {
+    ruleName: "no-invalid-this",
+    description: "Disallows using the `this` keyword outside of classes.",
+    rationale: "See [the rule's author's rationale here.](https://github.com/palantir/tslint/pull/1105#issue-147549402)",
+    optionsDescription: (_a = ["\n            One argument may be optionally provided:\n\n            * `", "` disallows using the `this` keyword in functions within class methods."], _a.raw = ["\n            One argument may be optionally provided:\n\n            * \\`", "\\` disallows using the \\`this\\` keyword in functions within class methods."], Lint.Utils.dedent(_a, OPTION_FUNCTION_IN_METHOD)),
+    options: {
+        type: "array",
+        items: {
+            type: "string",
+            enum: [OPTION_FUNCTION_IN_METHOD],
+        },
+        minLength: 0,
+        maxLength: 1,
+    },
+    optionExamples: [true, [true, OPTION_FUNCTION_IN_METHOD]],
+    type: "functionality",
+    typescriptOnly: false,
+};
+/* tslint:enable:object-literal-sort-keys */
+Rule.FAILURE_STRING_OUTSIDE = "the \"this\" keyword is disallowed outside of a class body";
+Rule.FAILURE_STRING_INSIDE = "the \"this\" keyword is disallowed in function bodies inside class methods, " +
+    "use arrow functions instead";
+exports.Rule = Rule;
+function walk(ctx) {
+    var sourceFile = ctx.sourceFile, checkFuncInMethod = ctx.options;
+    var inClass = false;
+    var inFunctionInClass = false;
+    ts.forEachChild(sourceFile, function cb(node) {
+        switch (node.kind) {
+            case ts.SyntaxKind.ClassDeclaration:
+            case ts.SyntaxKind.ClassExpression:
+                if (!inClass) {
+                    inClass = true;
+                    ts.forEachChild(node, cb);
+                    inClass = false;
+                    return;
+                }
+                break;
+            case ts.SyntaxKind.FunctionDeclaration:
+            case ts.SyntaxKind.FunctionExpression:
+                if (inClass) {
+                    inFunctionInClass = true;
+                    ts.forEachChild(node, cb);
+                    inFunctionInClass = false;
+                    return;
+                }
+                break;
+            case ts.SyntaxKind.ThisKeyword:
+                if (!inClass) {
+                    ctx.addFailureAtNode(node, Rule.FAILURE_STRING_OUTSIDE);
+                }
+                else if (checkFuncInMethod && inFunctionInClass) {
+                    ctx.addFailureAtNode(node, Rule.FAILURE_STRING_INSIDE);
+                }
+                return;
+        }
+        ts.forEachChild(node, cb);
+    });
+}
+var _a;