From aaaa2a08e657edcf3fd953b9ec8c1583627650c5 Mon Sep 17 00:00:00 2001
From: Mohsen Azimi <mazimi@lyft.com>
Date: Sun, 13 May 2018 14:32:32 -0700
Subject: [PATCH] Add typing for webpack profiling plugin

---
 types/webpack/index.d.ts       | 21 +++++++++++++++++++++
 types/webpack/webpack-tests.ts |  7 +++++++
 2 files changed, 28 insertions(+)

diff --git a/types/webpack/index.d.ts b/types/webpack/index.d.ts
index 5be4abdcbd..403036d378 100644
--- a/types/webpack/index.d.ts
+++ b/types/webpack/index.d.ts
@@ -648,6 +648,27 @@ declare namespace webpack {
             portableRecords?: boolean;
         }
     }
+
+    namespace debug {
+        interface ProfilingPluginOptions {
+            /** A relative path to a custom output file (json) */
+            outputPath?: string;
+        }
+        /**
+         * Generate Chrome profile file which includes timings of plugins execution. Outputs `events.json` file by
+         * default. It is possible to provide custom file path using `outputPath` option.
+         *
+         * In order to view the profile file:
+         * * Run webpack with ProfilingPlugin.
+         * * Go to Chrome, open the Profile Tab.
+         * * Drag and drop generated file (events.json by default) into the profiler.
+         *
+         * It will then display timeline stats and calls per plugin!
+         */
+        class ProfilingPlugin extends Plugin {
+            constructor(options?: ProfilingPluginOptions);
+        }
+    }
     namespace compilation {
         class Asset {
         }
diff --git a/types/webpack/webpack-tests.ts b/types/webpack/webpack-tests.ts
index b42d836c0c..ec5d0236a8 100644
--- a/types/webpack/webpack-tests.ts
+++ b/types/webpack/webpack-tests.ts
@@ -732,3 +732,10 @@ configuration = {
         ]
     }
 };
+
+let profiling = new webpack.debug.ProfilingPlugin();
+profiling = new webpack.debug.ProfilingPlugin({ outputPath: './path.json' });
+
+configuration = {
+    plugins: [profiling]
+};