fix(gatsby): fix hot-reloading for hooks (patch hmr)

e2e-tests/development-runtime/gatsby-config.js

@@ -1,3 +1,8 @@
+// isomorphic-fetch sets global.fetch which seems to conflicts with source-map@<0.8.0 where it does a
+// simple browser check if (global.fetch) which is true when isomorphic-fetch is used. This creates an
+// exception in react-hot-loader. @see https://github.com/gatsbyjs/gatsby/pull/13713
+require(`isomorphic-fetch`)
+
 module.exports = {
   siteMetadata: {
     title: `Gatsby Default Starter`,

packages/gatsby/package.json

@@ -107,7 +107,7 @@
     "raw-loader": "^0.5.1",
     "react-dev-utils": "^4.2.1",
     "react-error-overlay": "^3.0.0",
-    "react-hot-loader": "^4.6.2",
+    "react-hot-loader": "^4.8.4",
     "redux": "^4.0.0",
     "semver": "^5.6.0",
     "shallow-compare": "^1.2.2",

packages/gatsby/src/utils/webpack-hmr-hooks-patch.js

@@ -0,0 +1,6 @@
+const originalFetch = global.fetch
+delete global.fetch
+
+module.exports = require(`react-hot-loader/webpack`)
+
+global.fetch = originalFetch

packages/gatsby/src/utils/webpack.config.js

@@ -273,6 +273,16 @@ module.exports = async (program, directory, suppliedStage) => {
           },
         ])
 
+        // RHL will patch React, replace React-DOM by React-🔥-DOM and work with fiber directly
+        // It's necessary to remove the warning in console (https://github.com/gatsbyjs/gatsby/issues/11934)
+        configRules.push({
+          include: /node_modules/,
+          test: /\.jsx?$/,
+          use: {
+            loader: require.resolve(`./webpack-hmr-hooks-patch`),
+          },
+        })
+
         break
       }
       case `build-html`:

yarn.lock

@@ -10865,10 +10865,12 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/hoek/-/hoek-4.2.1.tgz#9634502aa12c445dd5a7c5734b572bb8738aacbb"
   integrity sha512-QLg82fGkfnJ/4iy1xZ81/9SIJiq1NGFUMGs6ParyjBZr6jW2Ufj/snDqTHixNlHdPNwN2RLVD0Pi3igeK9+JfA==
 
-hoist-non-react-statics@^2.5.0:
-  version "2.5.5"
-  resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-2.5.5.tgz#c5903cf409c0dfd908f388e619d86b9c1174cb47"
-  integrity sha512-rqcy4pJo55FTTLWt+bU8ukscqHeE/e9KWvsOW2b/a3afxQZhwkQdT1rPPCJ0rYXdj4vNcasY8zHTH+jF/qStxw==
+hoist-non-react-statics@^3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.0.tgz#b09178f0122184fb95acf525daaecb4d8f45958b"
+  integrity sha512-0XsbTXxgiaCDYDIWFcwkmerZPSwywfUqYmwT4jzewKTQSWoE6FCMoUVOeBJWK3E/CrWbxRG3m5GzY4lnIwGRBA==
+  dependencies:
+    react-is "^16.7.0"
 
 home-or-tmp@^2.0.0:
   version "2.0.0"
@@ -13919,7 +13921,7 @@ lodash.memoize@^4.1.2:
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
   integrity sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=
 
-lodash.merge@^4.6.0, lodash.merge@^4.6.1:
+lodash.merge@^4.6.0:
   version "4.6.1"
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.1.tgz#adc25d9cb99b9391c59624f379fbba60d7111d54"
   integrity sha512-AOYza4+Hf5z1/0Hztxpm2/xiPZgi/cjMqdnKTUWTBSKchJlxXXuUSxCCl8rJlf4g6yww/j6mA8nC8Hw/EZWxKQ==
@@ -17437,21 +17439,26 @@ react-error-overlay@^3.0.0:
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-3.0.0.tgz#c2bc8f4d91f1375b3dad6d75265d51cd5eeaf655"
   integrity sha512-XzgvowFrwDo6TWcpJ/WTiarb9UI6lhA4PMzS7n1joK3sHfBBBOQHUc0U4u57D6DWO9vHv6lVSWx2Q/Ymfyv4hw==
 
-react-hot-loader@^4.6.2:
-  version "4.6.2"
-  resolved "https://registry.yarnpkg.com/react-hot-loader/-/react-hot-loader-4.6.2.tgz#9844b76a7bf4b6fdd45dd91f7e757ddf3aad5289"
-  integrity sha512-9XxH/t9jblu4vUDgxHcMLwvm4aOhaoxazzTP9vwjTVzOgU987T4rDYA85XrlmbDan9WkD+h/iVHOK8F8UnQsDg==
+react-hot-loader@^4.8.4:
+  version "4.8.4"
+  resolved "https://registry.yarnpkg.com/react-hot-loader/-/react-hot-loader-4.8.4.tgz#357ba342e367fd42d6a870a9c0601c23fa0730c6"
+  integrity sha512-O98btZXcm24ZgP+aPBD0W9N+GEnkOg6vlLEy/IMZ53u3K/dGqO0I/RU4qrmQzE+wMDLpwNo5TwxaAjVw9Y+IBA==
   dependencies:
     fast-levenshtein "^2.0.6"
     global "^4.3.0"
-    hoist-non-react-statics "^2.5.0"
+    hoist-non-react-statics "^3.3.0"
     loader-utils "^1.1.0"
-    lodash.merge "^4.6.1"
+    lodash "^4.17.11"
     prop-types "^15.6.1"
     react-lifecycles-compat "^3.0.4"
     shallowequal "^1.0.2"
     source-map "^0.7.3"
 
+react-is@^16.7.0:
+  version "16.8.6"
+  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.8.6.tgz#5bbc1e2d29141c9fbdfed456343fe2bc430a6a16"
+  integrity sha512-aUk3bHfZ2bRSVFFbbeVS4i+lNPZr3/WM5jT2J5omUVV1zzcs1nAaf3l51ctA5FFvCRbhrH0bdAsRRQddFJZPtA==
+
 react-lifecycles-compat@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz#4f1a273afdfc8f3488a8c516bfda78f872352362"