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node_modules/tslint/lib/formatterLoader.js

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+"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 fs = require("fs");
+var path = require("path");
+var utils_1 = require("./utils");
+var CORE_FORMATTERS_DIRECTORY = path.resolve(__dirname, "formatters");
+function findFormatter(name, formattersDirectory) {
+    if (typeof name === "function") {
+        return name;
+    }
+    else if (typeof name === "string") {
+        name = name.trim();
+        var camelizedName = utils_1.camelize(name + "Formatter");
+        // first check for core formatters
+        var Formatter = loadFormatter(CORE_FORMATTERS_DIRECTORY, camelizedName, true);
+        if (Formatter !== undefined) {
+            return Formatter;
+        }
+        // then check for rules within the first level of rulesDirectory
+        if (formattersDirectory !== undefined) {
+            Formatter = loadFormatter(formattersDirectory, camelizedName);
+            if (Formatter !== undefined) {
+                return Formatter;
+            }
+        }
+        // else try to resolve as module
+        return loadFormatterModule(name);
+    }
+    else {
+        // If an something else is passed as a name (e.g. object)
+        throw new Error("Name of type " + typeof name + " is not supported.");
+    }
+}
+exports.findFormatter = findFormatter;
+function loadFormatter(directory, name, isCore) {
+    var formatterPath = path.resolve(path.join(directory, name));
+    var fullPath;
+    if (isCore) {
+        fullPath = formatterPath + ".js";
+        if (!fs.existsSync(fullPath)) {
+            return undefined;
+        }
+    }
+    else {
+        // Resolve using node's path resolution to allow developers to write custom formatters in TypeScript which can be loaded by TS-Node
+        try {
+            fullPath = require.resolve(formatterPath);
+        }
+        catch (_a) {
+            return undefined;
+        }
+    }
+    return require(fullPath).Formatter;
+}
+function loadFormatterModule(name) {
+    var src;
+    try {
+        // first try to find a module in the dependencies of the currently linted project
+        src = utils_1.tryResolvePackage(name, process.cwd());
+        if (src === undefined) {
+            // if there is no local module, try relative to the installation of TSLint (might be global)
+            src = require.resolve(name);
+        }
+    }
+    catch (_a) {
+        return undefined;
+    }
+    return require(src).Formatter;
+}