add linting (and some initial fixes)

1 files changed, 90 insertions, 0 deletions

diff --git a/node_modules/tslint/lib/rules/callableTypesRule.js b/node_modules/tslint/lib/rules/callableTypesRule.js
new file mode 100644
index 000000000..485aa230e
--- /dev/null
+++ b/node_modules/tslint/lib/rules/callableTypesRule.js
@@ -0,0 +1,90 @@
+"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 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 (type, sigSuggestion) {
+        return type + " has only a call signature \u2014 use `" + sigSuggestion + "` instead.";
+    };
+    Rule.prototype.apply = function (sourceFile) {
+        return this.applyWithFunction(sourceFile, walk);
+    };
+    return Rule;
+}(Lint.Rules.AbstractRule));
+/* tslint:disable:object-literal-sort-keys */
+Rule.metadata = {
+    ruleName: "callable-types",
+    description: "An interface or literal type with just a call signature can be written as a function type.",
+    rationale: "style",
+    optionsDescription: "Not configurable.",
+    options: null,
+    type: "style",
+    typescriptOnly: true,
+    hasFix: true,
+};
+exports.Rule = Rule;
+function walk(ctx) {
+    return ts.forEachChild(ctx.sourceFile, function cb(node) {
+        if ((tsutils_1.isInterfaceDeclaration(node) && noSupertype(node)
+            || tsutils_1.isTypeLiteralNode(node))
+            && node.members.length === 1) {
+            var member = node.members[0];
+            if (tsutils_1.isCallSignatureDeclaration(member) &&
+                // avoid bad parse
+                member.type !== undefined) {
+                var suggestion = renderSuggestion(member, node, ctx.sourceFile);
+                ctx.addFailureAtNode(member, Rule.FAILURE_STRING_FACTORY(node.kind === ts.SyntaxKind.TypeLiteral ? "Type literal" : "Interface", suggestion), Lint.Replacement.replaceNode(node, suggestion));
+            }
+        }
+        return ts.forEachChild(node, cb);
+    });
+}
+/** True if there is no supertype or if the supertype is `Function`. */
+function noSupertype(node) {
+    if (node.heritageClauses === undefined) {
+        return true;
+    }
+    if (node.heritageClauses.length !== 1) {
+        return false;
+    }
+    var expr = node.heritageClauses[0].types[0].expression;
+    return tsutils_1.isIdentifier(expr) && expr.text === "Function";
+}
+function renderSuggestion(call, parent, sourceFile) {
+    var start = call.getStart(sourceFile);
+    var colonPos = call.type.pos - 1 - start;
+    var text = sourceFile.text.substring(start, call.end);
+    var suggestion = text.substr(0, colonPos) + " =>" + text.substr(colonPos + 1);
+    if (parent.kind === ts.SyntaxKind.InterfaceDeclaration) {
+        if (parent.typeParameters !== undefined) {
+            return "type" + sourceFile.text.substring(parent.name.pos, parent.typeParameters.end + 1) + " = " + suggestion;
+        }
+        else {
+            return "type " + parent.name.text + " = " + suggestion;
+        }
+    }
+    return suggestion.endsWith(";") ? suggestion.slice(0, -1) : suggestion;
+}