Add webpack-fail-plugin v1.0.5 (#10369)

webpack-fail-plugin/webpack-fail-plugin-tests.ts

@@ -0,0 +1,9 @@
+///<reference path="webpack-fail-plugin.d.ts" />
+import * as Webpack from "webpack";
+import FailPlugin = require("webpack-fail-plugin");
+
+const config: Webpack.Configuration = {
+    plugins: [
+        FailPlugin
+    ]
+}

webpack-fail-plugin/webpack-fail-plugin.d.ts

@@ -0,0 +1,17 @@
+// Type definitions for webpack-fail-plugin v1.0.5
+// Project: https://github.com/TiddoLangerak/webpack-fail-plugin
+// Definitions by: Simon Hartcher <https://github.com/deevus>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+///<reference path="./../webpack/webpack.d.ts" />
+
+declare module "webpack-fail-plugin" {
+    import {Plugin} from "webpack";
+
+    /**
+     * Webpack plugin that will make the process return status code 1 when it finishes with errors in single-run mode.
+    */
+    function WebpackFailPlugin(): Plugin;
+
+    export = WebpackFailPlugin;
+}