fix: tailUpdate might be blocked by a PureComponent (#1448)

examples/styled-components/package.json

@@ -23,10 +23,10 @@
   "dependencies": {
     "babel-polyfill": "^6.26.0",
     "emotion": "^8.0.12",
-    "react": "^16.13.0",
-    "react-dom": "^16.13.0",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1",
     "react-emotion": "^9.2.12",
-    "react-hot-loader": "^4.6.5",
+    "react-hot-loader": "^4.12.21",
     "react-spring": "^8.0.25",
     "styled-components": "^4.0.3"
   }

examples/styled-components/yarn.lock

@@ -2665,10 +2665,12 @@ hmac-drbg@^1.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.1"
 
-hoist-non-react-statics@^2.5.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-2.5.0.tgz#d2ca2dfc19c5a91c5a6615ce8e564ef0347e2a40"
-  integrity sha512-6Bl6XsDT1ntE0lHbIhr4Kp2PGcleGZ66qu5Jqk8lc0Xc/IeG6gVLmwUGs/K0Us+L8VWoKgj0uWdPMataOsm31w==
+hoist-non-react-statics@^3.3.0:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz#ece0acaf71d62c2969c2ec59feff42a4b1a85b45"
+  integrity sha512-/gGivxi8JPKWNm/W0jSmzcMPpfpPLc3dY/6GxhX2hQ9iGj3aDfklV4ET7NjKpSinLpJ5vafa9iiGIEZg10SfBw==
+  dependencies:
+    react-is "^16.7.0"
 
 home-or-tmp@^2.0.0:
   version "2.0.0"
@@ -3250,11 +3252,6 @@ lodash.debounce@^4.0.8:
   resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
   integrity sha1-gteb/zCmfEAF/9XiUVMArZyk168=
 
-lodash.merge@^4.6.1:
-  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==
-
 lodash@^4.17.10, lodash@^4.17.5:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
@@ -4250,15 +4247,15 @@ rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-react-dom@^16.13.0:
-  version "16.13.0"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.13.0.tgz#cdde54b48eb9e8a0ca1b3dc9943d9bb409b81866"
-  integrity sha512-y09d2c4cG220DzdlFkPTnVvGTszVvNpC73v+AaLGLHbkpy3SSgvYq8x0rNwPJ/Rk/CicTNgk0hbHNw1gMEZAXg==
+react-dom@^16.13.1:
+  version "16.13.1"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.13.1.tgz#c1bd37331a0486c078ee54c4740720993b2e0e7f"
+  integrity sha512-81PIMmVLnCNLO/fFOQxdQkvEq/+Hfpv24XNJfpyZhTRfO0QcmQIF/PgCa1zCOj2w1hrn12MFLyaJ/G0+Mxtfag==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.19.0"
+    scheduler "^0.19.1"
 
 react-emotion@^9.2.12:
   version "9.2.12"
@@ -4268,26 +4265,30 @@ react-emotion@^9.2.12:
     babel-plugin-emotion "^9.2.11"
     create-emotion-styled "^9.2.8"
 
-react-hot-loader@^4.6.5:
-  version "4.6.5"
-  resolved "https://registry.yarnpkg.com/react-hot-loader/-/react-hot-loader-4.6.5.tgz#059619c8ac2aae9c6e8178ddc2eac535093cdd2e"
-  integrity sha512-ZPAJEWVd8KDdm6dcK0iWrnJiGHruLrcbkIpqn/wQmNjnROpsm2nzrWh23Yh3I/XAjB+35pMa/ZgariwGqwFD9A==
+react-hot-loader@^4.12.21:
+  version "4.12.21"
+  resolved "https://registry.yarnpkg.com/react-hot-loader/-/react-hot-loader-4.12.21.tgz#332e830801fb33024b5a147d6b13417f491eb975"
+  integrity sha512-Ynxa6ROfWUeKWsTHxsrL2KMzujxJVPjs385lmB2t5cHUxdoRPGind9F00tOkdc1l5WBleOF4XEAMILY1KPIIDA==
   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"
     prop-types "^15.6.1"
     react-lifecycles-compat "^3.0.4"
-    shallowequal "^1.0.2"
+    shallowequal "^1.1.0"
     source-map "^0.7.3"
 
 react-is@^16.6.0:
   version "16.6.1"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.6.1.tgz#f77b1c3d901be300abe8d58645b7a59e794e5982"
   integrity sha512-wOKsGtvTMYs7WAscmwwdM8sfRRvE17Ym30zFj3n37Qx5tHRfhenPKEPILHaHob6WoLFADmQm1ZNrE5xMCM6sCw==
 
+react-is@^16.7.0:
+  version "16.13.1"
+  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
+  integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
+
 react-is@^16.8.1:
   version "16.8.6"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.8.6.tgz#5bbc1e2d29141c9fbdfed456343fe2bc430a6a16"
@@ -4306,10 +4307,10 @@ react-spring@^8.0.25:
     "@babel/runtime" "^7.3.1"
     prop-types "^15.5.8"
 
-react@^16.13.0:
-  version "16.13.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.13.0.tgz#d046eabcdf64e457bbeed1e792e235e1b9934cf7"
-  integrity sha512-TSavZz2iSLkq5/oiE7gnFzmURKZMltmi193rm5HEoUDAXpzT9Kzw6oNZnGoai/4+fUnm7FqS5dwgUL34TujcWQ==
+react@^16.13.1:
+  version "16.13.1"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.13.1.tgz#2e818822f1a9743122c063d6410d85c1e3afe48e"
+  integrity sha512-YMZQQq32xHLX0bz5Mnibv1/LHb3Sqzngu7xstSM+vrkE5Kzr9xE0yMByK5kMoTK30YVJE61WfbxIFFvfeDKT1w==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
@@ -4555,10 +4556,10 @@ sax@^1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
-scheduler@^0.19.0:
-  version "0.19.0"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.19.0.tgz#a715d56302de403df742f4a9be11975b32f5698d"
-  integrity sha512-xowbVaTPe9r7y7RUejcK73/j8tt2jfiyTednOvHbA8JoClvMYCp+r8QegLwK/n8zWQAtZb1fFnER4XLBZXrCxA==
+scheduler@^0.19.1:
+  version "0.19.1"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.19.1.tgz#4f3e2ed2c1a7d65681f4c854fa8c5a1ccb40f196"
+  integrity sha512-n/zwRWRYSUj0/3g/otKDRPMh6qv2SYMWNq85IEa8iZyAv8od9zDYpGSnpBEjNgcMNq6Scbu5KfIPxNF72R/2EA==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
@@ -4702,10 +4703,10 @@ sha.js@^2.4.0, sha.js@^2.4.8:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
-shallowequal@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/shallowequal/-/shallowequal-1.0.2.tgz#1561dbdefb8c01408100319085764da3fcf83f8f"
-  integrity sha512-zlVXeVUKvo+HEv1e2KQF/csyeMKx2oHvatQ9l6XjCUj3agvC8XGf6R9HvIPDSmp8FNPvx7b5kaEJTRi7CqxtEw==
+shallowequal@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/shallowequal/-/shallowequal-1.1.0.tgz#188d521de95b9087404fd4dcb68b13df0ae4e7f8"
+  integrity sha512-y0m1JoUZSlPAjXVtPPW70aZWfIL/dSP7AFkRnniLCrK/8MDKog3TySTBmckD+RObVxH0v4Tox67+F14PdED2oQ==
 
 shebang-command@^1.2.0:
   version "1.2.0"

src/hot.dev.js

@@ -10,7 +10,7 @@ import { isOpened as isModuleOpened, hotModule, getLastModuleOpened } from './gl
 import logger from './logger';
 import { clearExceptions, logException } from './errorReporter';
 import { createQueue } from './utils/runQueue';
-import { enterHotUpdate, getHotGeneration } from './global/generation';
+import { enterHotUpdate, getHotGeneration, increment } from './global/generation';
 
 /* eslint-disable camelcase, no-undef */
 const requireIndirect = typeof __webpack_require__ !== 'undefined' ? __webpack_require__ : require;
@@ -69,6 +69,8 @@ const makeHotExport = (sourceModule, moduleId) => {
                 logger.warn(
                   'React-Hot-Loader: some components were updated out-of-bound. Updating your app to reconcile the changes.',
                 );
+                // increment generator for cache-busting existing tree
+                increment();
                 deepUpdate();
               } else if (++runLimit < 5) {
                 checkTailUpdates();