From d92631eab16ceb1b08727dd24b78432e504e41e4 Mon Sep 17 00:00:00 2001
From: Brian Vaughn <bvaughn@fb.com>
Date: Thu, 26 Mar 2020 09:31:36 -0700
Subject: [PATCH] Remove "es6-symbol" package from DevTools (#18397)

---
 packages/react-devtools-core/package.json                     | 1 -
 packages/react-devtools-inline/package.json                   | 4 +---
 .../src/devtools/views/Components/HooksTree.js                | 2 +-
 packages/react-devtools-shared/src/hydration.js               | 1 -
 packages/react-devtools-shared/src/utils.js                   | 1 -
 yarn.lock                                                     | 2 +-
 6 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/packages/react-devtools-core/package.json b/packages/react-devtools-core/package.json
index 9ee06203cfbbb..e6e1d18f224fa 100644
--- a/packages/react-devtools-core/package.json
+++ b/packages/react-devtools-core/package.json
@@ -24,7 +24,6 @@
     "start:standalone": "cross-env NODE_ENV=development webpack --config webpack.standalone.js --watch"
   },
   "dependencies": {
-    "es6-symbol": "^3",
     "shell-quote": "^1.6.1",
     "ws": "^7"
   },
diff --git a/packages/react-devtools-inline/package.json b/packages/react-devtools-inline/package.json
index c11e470927b79..570f3190268bf 100644
--- a/packages/react-devtools-inline/package.json
+++ b/packages/react-devtools-inline/package.json
@@ -20,9 +20,7 @@
     "prepublish": "yarn run build",
     "start": "cross-env NODE_ENV=development webpack --config webpack.config.js --watch"
   },
-  "dependencies": {
-    "es6-symbol": "^3"
-  },
+  "dependencies": {},
   "devDependencies": {
     "@babel/core": "^7.1.6",
     "@babel/plugin-proposal-class-properties": "^7.1.0",
diff --git a/packages/react-devtools-shared/src/devtools/views/Components/HooksTree.js b/packages/react-devtools-shared/src/devtools/views/Components/HooksTree.js
index c4ff5a8765ffc..9374f4a637e06 100644
--- a/packages/react-devtools-shared/src/devtools/views/Components/HooksTree.js
+++ b/packages/react-devtools-shared/src/devtools/views/Components/HooksTree.js
@@ -124,7 +124,7 @@ function HookView({canEditHooks, hook, id, inspectPath, path}: HookViewProps) {
         hook !== null &&
         typeof hook === 'object' &&
         hook.hasOwnProperty(meta.type)
-          ? hook[meta.type]
+          ? hook[(meta.type: any)]
           : typeof value,
     },
     id: 'SelectedElement',
diff --git a/packages/react-devtools-shared/src/hydration.js b/packages/react-devtools-shared/src/hydration.js
index 01e0432d2a5d3..e7d7630cdea15 100644
--- a/packages/react-devtools-shared/src/hydration.js
+++ b/packages/react-devtools-shared/src/hydration.js
@@ -7,7 +7,6 @@
  * @flow
  */
 
-import Symbol from 'es6-symbol';
 import {
   getDataType,
   getDisplayNameForReactElement,
diff --git a/packages/react-devtools-shared/src/utils.js b/packages/react-devtools-shared/src/utils.js
index c40e94f32537e..c412a0f562bcb 100644
--- a/packages/react-devtools-shared/src/utils.js
+++ b/packages/react-devtools-shared/src/utils.js
@@ -7,7 +7,6 @@
  * @flow
  */
 
-import Symbol from 'es6-symbol';
 import LRU from 'lru-cache';
 import {
   isElement,
diff --git a/yarn.lock b/yarn.lock
index c841bcb45dd37..604eaf12ed964 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4969,7 +4969,7 @@ es6-set@~0.1.5:
     es6-symbol "3.1.1"
     event-emitter "~0.3.5"
 
-es6-symbol@3.1.1, es6-symbol@^3, es6-symbol@^3.1.1, es6-symbol@~3.1.1:
+es6-symbol@3.1.1, es6-symbol@^3.1.1, es6-symbol@~3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.1.tgz#bf00ef4fdab6ba1b46ecb7b629b4c7ed5715cc77"
   integrity sha1-vwDvT9q2uhtG7Le2KbTH7VcVzHc=