react-refresh - npm Package Compare versions

Comparing version 0.0.0-experimental-8d7535e54 to 0.0.0-experimental-9209c30ff

cjs/react-refresh-babel.development.js

@@ -1,2 +0,2 @@
-/** @license React v0.0.0-experimental-8d7535e54
+/** @license React vundefined
  * react-refresh-babel.development.js
@@ -12,4 +12,2 @@ *
 
-
-
 if (process.env.NODE_ENV !== "production") {
@@ -22,5 +20,5 @@ (function() {
 
-  if (typeof babel.getEnv === 'function') {
+  if (typeof babel.env === 'function') {
     // Only available in Babel 7.
-    var env = babel.getEnv();
+    var env = babel.env();
 
@@ -175,5 +173,2 @@ if (env !== 'development' && !opts.skipEnvCheck) {
 
-                } else if (calleeType === 'MemberExpression') ; else {
-                  // More complicated call.
-                  return false;
                 }
@@ -213,3 +208,3 @@
 
-            if (ref.node.type !== 'JSXIdentifier' && ref.node.type !== 'Identifier') {
+            if (ref.node && ref.node.type !== 'JSXIdentifier' && ref.node.type !== 'Identifier') {
               continue;
@@ -276,4 +271,4 @@ }
       case 'React.useContext':
-      case 'useImperativeMethods':
-      case 'React.useImperativeMethods':
+      case 'useImperativeHandle':
+      case 'React.useImperativeHandle':
       case 'useDebugValue':
@@ -368,3 +363,3 @@ case 'React.useDebugValue':
       // This makes it deterministically compact, even if there's
-      // e.g. a useState ininitalizer with some code inside.
+      // e.g. a useState initializer with some code inside.
       // We also need it for www that has transforms like cx()
@@ -586,3 +581,3 @@ // that don't understand if something is part of a string.
           // declarations too. So we need to search for a path where
-          // we can insert a statement rather than hardcoding it.
+          // we can insert a statement rather than hard coding it.
 
@@ -712,12 +707,15 @@ var insertAfterPath = null;
 
-          if ((targetExpr.type === 'ArrowFunctionExpression' || targetExpr.type === 'FunctionExpression') && targetPath.parent.type === 'VariableDeclarator') {
-            // Special case when a function would get an inferred name:
+          if (targetPath.parent.type === 'VariableDeclarator') {
+            // Special case when a variable would get an inferred name:
             // let Foo = () => {}
             // let Foo = function() {}
+            // let Foo = styled.div``;
             // We'll register it on next line so that
             // we don't mess up the inferred 'Foo' function name.
+            // (eg: with @babel/plugin-transform-react-display-name or
+            // babel-plugin-styled-components)
             insertAfterPath.insertAfter(t.expressionStatement(t.assignmentExpression('=', handle, declPath.node.id))); // Result: let Foo = () => {}; _c1 = Foo;
           } else {
             // let Foo = hoc(() => {})
-            targetPath.replaceWith(t.assignmentExpression('=', handle, targetExpr)); // Result: let Foo = _c1 = hoc(() => {})
+            targetPath.replaceWith(t.assignmentExpression('=', handle, targetExpr)); // Result: let Foo = hoc(_c1 = () => {})
           }
@@ -766,9 +764,4 @@ });
 
-// This is hacky but makes it work with both Rollup and Jest.
-
-
-var babel = ReactFreshBabelPlugin.default || ReactFreshBabelPlugin;
-
-module.exports = babel;
+module.exports = ReactFreshBabelPlugin;
   })();
 }

cjs/react-refresh-babel.production.min.js

@@ -1,2 +0,2 @@
-/** @license React v0.0.0-experimental-8d7535e54
+/** @license React vundefined
  * react-refresh-babel.production.min.js
@@ -9,16 +9,14 @@ *
  */
-
-'use strict';function w(r){function t(a,b){var d=a.scope.generateUidIdentifier("c");l.has(a)||l.set(a,[]);l.get(a).push({handle:d,persistentID:b});return d}function u(a){return"string"===typeof a&&"A"<=a[0]&&"Z">=a[0]}function m(a,b,d){var c=b.node;switch(c.type){case "Identifier":if(!u(c.name))break;d(a,c,null);return!0;case "FunctionDeclaration":return d(a,c.id,null),!0;case "ArrowFunctionExpression":if("ArrowFunctionExpression"===c.body.type)break;d(a,c,b);return!0;case "FunctionExpression":return d(a,
-c,b),!0;case "CallExpression":var f=b.get("arguments");if(void 0===f||0===f.length)break;var g=b.get("callee");switch(g.node.type){case "MemberExpression":case "Identifier":g=g.getSource();if(!m(a+"$"+g,f[0],d))return!1;d(a,c,b);return!0;default:return!1}case "VariableDeclarator":if(f=c.init,null!==f&&(g=c.id.name,u(g))){switch(f.type){case "ArrowFunctionExpression":case "FunctionExpression":break;case "CallExpression":c=f.callee;var e=c.type;if("Import"===e)return!1;if("Identifier"===e){if(0===c.name.indexOf("require")||
-0===c.name.indexOf("import"))return!1}else if("MemberExpression"!==e)return!1;break;case "TaggedTemplateExpression":break;default:return!1}c=b.get("init");if(m(a,c,d))return!0;g=b.scope.getBinding(g);if(void 0===g)return;b=!1;g=g.referencePaths;for(e=0;e<g.length;e++){var h=g[e];if("JSXIdentifier"===h.node.type||"Identifier"===h.node.type){h=h.parent;if("JSXOpeningElement"===h.type)b=!0;else if("CallExpression"===h.type){h=h.callee;var k=void 0;switch(h.type){case "Identifier":k=h.name;break;case "MemberExpression":k=
-h.property.name}switch(k){case "createElement":case "jsx":case "jsxDEV":case "jsxs":b=!0}}if(b)return d(a,f,c),!0}}}}return!1}function x(a){a=n.get(a);return void 0===a?null:{key:a.map(function(a){return a.name+"{"+a.key+"}"}).join("\n"),customHooks:a.filter(function(a){a:switch(a.name){case "useState":case "React.useState":case "useReducer":case "React.useReducer":case "useEffect":case "React.useEffect":case "useLayoutEffect":case "React.useLayoutEffect":case "useMemo":case "React.useMemo":case "useCallback":case "React.useCallback":case "useRef":case "React.useRef":case "useContext":case "React.useContext":case "useImperativeMethods":case "React.useImperativeMethods":case "useDebugValue":case "React.useDebugValue":a=
-!0;break a;default:a=!1}return!a}).map(function(a){return e.cloneDeep(a.callee)})}}function C(a){a=a.hub.file;var b=y.get(a);if(void 0!==b)return b;b=!1;for(var d=a.ast.comments,c=0;c<d.length;c++)if(-1!==d[c].value.indexOf("@refresh reset")){b=!0;break}y.set(a,b);return b}function v(a,b,d){var c=b.key;b=b.customHooks;var f=C(d.path),g=[];b.forEach(function(a){switch(a.type){case "MemberExpression":if("Identifier"===a.object.type)var b=a.object.name;break;case "Identifier":b=a.name}d.hasBinding(b)?
-g.push(a):f=!0});b=c;"function"!==typeof require||p.emitFullSignatures||(b=require("crypto").createHash("sha1").update(c).digest("base64"));a=[a,e.stringLiteral(b)];(f||0<g.length)&&a.push(e.booleanLiteral(f));0<g.length&&a.push(e.functionExpression(null,[],e.blockStatement([e.returnStatement(e.arrayExpression(g))])));return a}var p=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{};if("function"===typeof r.getEnv){var z=r.getEnv();if("development"!==z&&!p.skipEnvCheck)throw Error('React Refresh Babel transform should only be enabled in development environment. Instead, the environment is: "'+
-z+'". If you want to override this check, pass {skipEnvCheck: true} as plugin options.');}var e=r.types,D=e.identifier(p.refreshReg||"$RefreshReg$"),A=e.identifier(p.refreshSig||"$RefreshSig$"),l=new Map,y=new WeakMap,k=new WeakSet,q=new WeakSet,B=new WeakSet,n=new WeakMap,E={CallExpression:function(a){var b=a.node.callee,d=null;switch(b.type){case "Identifier":d=b.name;break;case "MemberExpression":d=b.property.name}if(null!==d&&/^use[A-Z]/.test(d)&&(b=a.scope.getFunctionParent(),null!==b)){b=b.block;
+'use strict';module.exports=function(r){function t(a,b){var d=a.scope.generateUidIdentifier("c");l.has(a)||l.set(a,[]);l.get(a).push({handle:d,persistentID:b});return d}function u(a){return"string"===typeof a&&"A"<=a[0]&&"Z">=a[0]}function m(a,b,d){var c=b.node;switch(c.type){case "Identifier":if(!u(c.name))break;d(a,c,null);return!0;case "FunctionDeclaration":return d(a,c.id,null),!0;case "ArrowFunctionExpression":if("ArrowFunctionExpression"===c.body.type)break;d(a,c,b);return!0;case "FunctionExpression":return d(a,
+c,b),!0;case "CallExpression":var f=b.get("arguments");if(void 0===f||0===f.length)break;var g=b.get("callee");switch(g.node.type){case "MemberExpression":case "Identifier":g=g.getSource();if(!m(a+"$"+g,f[0],d))return!1;d(a,c,b);return!0;default:return!1}case "VariableDeclarator":if(f=c.init,null!==f&&(g=c.id.name,u(g))){switch(f.type){case "ArrowFunctionExpression":case "FunctionExpression":break;case "CallExpression":c=f.callee;var e=c.type;if("Import"===e||"Identifier"===e&&(0===c.name.indexOf("require")||
+0===c.name.indexOf("import")))return!1;break;case "TaggedTemplateExpression":break;default:return!1}c=b.get("init");if(m(a,c,d))return!0;g=b.scope.getBinding(g);if(void 0===g)return;b=!1;g=g.referencePaths;for(e=0;e<g.length;e++){var h=g[e];if(!h.node||"JSXIdentifier"===h.node.type||"Identifier"===h.node.type){h=h.parent;if("JSXOpeningElement"===h.type)b=!0;else if("CallExpression"===h.type){h=h.callee;var k=void 0;switch(h.type){case "Identifier":k=h.name;break;case "MemberExpression":k=h.property.name}switch(k){case "createElement":case "jsx":case "jsxDEV":case "jsxs":b=
+!0}}if(b)return d(a,f,c),!0}}}}return!1}function w(a){a=n.get(a);return void 0===a?null:{key:a.map(function(a){return a.name+"{"+a.key+"}"}).join("\n"),customHooks:a.filter(function(a){a:switch(a.name){case "useState":case "React.useState":case "useReducer":case "React.useReducer":case "useEffect":case "React.useEffect":case "useLayoutEffect":case "React.useLayoutEffect":case "useMemo":case "React.useMemo":case "useCallback":case "React.useCallback":case "useRef":case "React.useRef":case "useContext":case "React.useContext":case "useImperativeHandle":case "React.useImperativeHandle":case "useDebugValue":case "React.useDebugValue":a=
+!0;break a;default:a=!1}return!a}).map(function(a){return e.cloneDeep(a.callee)})}}function B(a){a=a.hub.file;var b=x.get(a);if(void 0!==b)return b;b=!1;for(var d=a.ast.comments,c=0;c<d.length;c++)if(-1!==d[c].value.indexOf("@refresh reset")){b=!0;break}x.set(a,b);return b}function v(a,b,d){var c=b.key;b=b.customHooks;var f=B(d.path),g=[];b.forEach(function(a){switch(a.type){case "MemberExpression":if("Identifier"===a.object.type)var b=a.object.name;break;case "Identifier":b=a.name}d.hasBinding(b)?
+g.push(a):f=!0});b=c;"function"!==typeof require||p.emitFullSignatures||(b=require("crypto").createHash("sha1").update(c).digest("base64"));a=[a,e.stringLiteral(b)];(f||0<g.length)&&a.push(e.booleanLiteral(f));0<g.length&&a.push(e.functionExpression(null,[],e.blockStatement([e.returnStatement(e.arrayExpression(g))])));return a}var p=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{};if("function"===typeof r.env){var y=r.env();if("development"!==y&&!p.skipEnvCheck)throw Error('React Refresh Babel transform should only be enabled in development environment. Instead, the environment is: "'+
+y+'". If you want to override this check, pass {skipEnvCheck: true} as plugin options.');}var e=r.types,C=e.identifier(p.refreshReg||"$RefreshReg$"),z=e.identifier(p.refreshSig||"$RefreshSig$"),l=new Map,x=new WeakMap,k=new WeakSet,q=new WeakSet,A=new WeakSet,n=new WeakMap,D={CallExpression:function(a){var b=a.node.callee,d=null;switch(b.type){case "Identifier":d=b.name;break;case "MemberExpression":d=b.property.name}if(null!==d&&/^use[A-Z]/.test(d)&&(b=a.scope.getFunctionParent(),null!==b)){b=b.block;
 n.has(b)||n.set(b,[]);b=n.get(b);var c="";"VariableDeclarator"===a.parent.type&&(c=a.parentPath.get("id").getSource());var f=a.get("arguments");"useState"===d&&0<f.length?c+="("+f[0].getSource()+")":"useReducer"===d&&1<f.length&&(c+="("+f[1].getSource()+")");b.push({callee:a.node.callee,name:d,key:c})}}};return{visitor:{ExportDefaultDeclaration:function(a){var b=a.node,d=b.declaration,c=a.get("declaration");if("CallExpression"===d.type&&!k.has(b)){k.add(b);var f=a.parentPath;m("%default%",c,function(a,
 b,c){null!==c&&(a=t(f,a),c.replaceWith(e.assignmentExpression("=",a,b)))})}},FunctionDeclaration:{enter:function(a){var b=a.node;switch(a.parent.type){case "Program":var d=a;var c=a.parentPath;break;case "ExportNamedDeclaration":d=a.parentPath;c=d.parentPath;break;case "ExportDefaultDeclaration":d=a.parentPath;c=d.parentPath;break;default:return}var f=b.id;null!==f&&(f=f.name,u(f)&&!k.has(b)&&(k.add(b),m(f,a,function(a,b){a=t(c,a);d.insertAfter(e.expressionStatement(e.assignmentExpression("=",a,b)))})))},
-exit:function(a){var b=a.node,d=b.id;if(null!==d){var c=x(b);if(null!==c&&!q.has(b)){q.add(b);b=a.scope.generateUidIdentifier("_s");a.scope.parent.push({id:b,init:e.callExpression(A,[])});a.get("body").unshiftContainer("body",e.expressionStatement(e.callExpression(b,[])));var f=null;a.find(function(a){if(a.parentPath.isBlock())return f=a,!0});null!==f&&f.insertAfter(e.expressionStatement(e.callExpression(b,v(d,c,f.scope))))}}}},"ArrowFunctionExpression|FunctionExpression":{exit:function(a){var b=
-a.node,d=x(b);if(null!==d&&!q.has(b)){q.add(b);var c=a.scope.generateUidIdentifier("_s");a.scope.parent.push({id:c,init:e.callExpression(A,[])});"BlockStatement"!==a.node.body.type&&(a.node.body=e.blockStatement([e.returnStatement(a.node.body)]));a.get("body").unshiftContainer("body",e.expressionStatement(e.callExpression(c,[])));if("VariableDeclarator"===a.parent.type){var f=null;a.find(function(a){if(a.parentPath.isBlock())return f=a,!0});null!==f&&f.insertAfter(e.expressionStatement(e.callExpression(c,
-v(a.parent.id,d,f.scope))))}else a.replaceWith(e.callExpression(c,v(b,d,a.scope)))}}},VariableDeclaration:function(a){var b=a.node;switch(a.parent.type){case "Program":var d=a;var c=a.parentPath;break;case "ExportNamedDeclaration":d=a.parentPath;c=d.parentPath;break;case "ExportDefaultDeclaration":d=a.parentPath;c=d.parentPath;break;default:return}if(!k.has(b)&&(k.add(b),a=a.get("declarations"),1===a.length)){var f=a[0];m(f.node.id.name,f,function(a,b,h){null!==h&&(a=t(c,a),"ArrowFunctionExpression"!==
-b.type&&"FunctionExpression"!==b.type||"VariableDeclarator"!==h.parent.type?h.replaceWith(e.assignmentExpression("=",a,b)):d.insertAfter(e.expressionStatement(e.assignmentExpression("=",a,f.node.id))))})}},Program:{enter:function(a){a.traverse(E)},exit:function(a){var b=l.get(a);if(void 0!==b){var d=a.node;if(!B.has(d)){B.add(d);l.delete(a);var c=[];a.pushContainer("body",e.variableDeclaration("var",c));b.forEach(function(b){var d=b.handle;a.pushContainer("body",e.expressionStatement(e.callExpression(D,
-[d,e.stringLiteral(b.persistentID)])));c.push(e.variableDeclarator(d))})}}}}}}}module.exports=w.default||w;
+exit:function(a){var b=a.node,d=b.id;if(null!==d){var c=w(b);if(null!==c&&!q.has(b)){q.add(b);b=a.scope.generateUidIdentifier("_s");a.scope.parent.push({id:b,init:e.callExpression(z,[])});a.get("body").unshiftContainer("body",e.expressionStatement(e.callExpression(b,[])));var f=null;a.find(function(a){if(a.parentPath.isBlock())return f=a,!0});null!==f&&f.insertAfter(e.expressionStatement(e.callExpression(b,v(d,c,f.scope))))}}}},"ArrowFunctionExpression|FunctionExpression":{exit:function(a){var b=
+a.node,d=w(b);if(null!==d&&!q.has(b)){q.add(b);var c=a.scope.generateUidIdentifier("_s");a.scope.parent.push({id:c,init:e.callExpression(z,[])});"BlockStatement"!==a.node.body.type&&(a.node.body=e.blockStatement([e.returnStatement(a.node.body)]));a.get("body").unshiftContainer("body",e.expressionStatement(e.callExpression(c,[])));if("VariableDeclarator"===a.parent.type){var f=null;a.find(function(a){if(a.parentPath.isBlock())return f=a,!0});null!==f&&f.insertAfter(e.expressionStatement(e.callExpression(c,
+v(a.parent.id,d,f.scope))))}else a.replaceWith(e.callExpression(c,v(b,d,a.scope)))}}},VariableDeclaration:function(a){var b=a.node;switch(a.parent.type){case "Program":var d=a;var c=a.parentPath;break;case "ExportNamedDeclaration":d=a.parentPath;c=d.parentPath;break;case "ExportDefaultDeclaration":d=a.parentPath;c=d.parentPath;break;default:return}if(!k.has(b)&&(k.add(b),a=a.get("declarations"),1===a.length)){var f=a[0];m(f.node.id.name,f,function(a,b,h){null!==h&&(a=t(c,a),"VariableDeclarator"===
+h.parent.type?d.insertAfter(e.expressionStatement(e.assignmentExpression("=",a,f.node.id))):h.replaceWith(e.assignmentExpression("=",a,b)))})}},Program:{enter:function(a){a.traverse(D)},exit:function(a){var b=l.get(a);if(void 0!==b){var d=a.node;if(!A.has(d)){A.add(d);l.delete(a);var c=[];a.pushContainer("body",e.variableDeclaration("var",c));b.forEach(function(b){var d=b.handle;a.pushContainer("body",e.expressionStatement(e.callExpression(C,[d,e.stringLiteral(b.persistentID)])));c.push(e.variableDeclarator(d))})}}}}}}};

cjs/react-refresh-runtime.development.js

@@ -1,2 +0,2 @@
-/** @license React v0.0.0-experimental-8d7535e54
+/** @license React vundefined
  * react-refresh-runtime.development.js
@@ -12,4 +12,2 @@ *
 
-
-
 if (process.env.NODE_ENV !== "production") {
@@ -19,8 +17,48 @@ (function() {
 
+// ATTENTION
+// When adding new symbols to this file,
+// Please consider also adding to 'react-devtools-shared/src/backend/ReactSymbols'
 // The Symbol used to tag the ReactElement-like types. If there is no native Symbol
 // nor polyfill, then a plain number is used for performance.
-var hasSymbol = typeof Symbol === 'function' && Symbol.for;
-var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;
-var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;
+var REACT_ELEMENT_TYPE = 0xeac7;
+var REACT_PORTAL_TYPE = 0xeaca;
+var REACT_FRAGMENT_TYPE = 0xeacb;
+var REACT_STRICT_MODE_TYPE = 0xeacc;
+var REACT_PROFILER_TYPE = 0xead2;
+var REACT_PROVIDER_TYPE = 0xeacd;
+var REACT_CONTEXT_TYPE = 0xeace;
+var REACT_FORWARD_REF_TYPE = 0xead0;
+var REACT_SUSPENSE_TYPE = 0xead1;
+var REACT_SUSPENSE_LIST_TYPE = 0xead8;
+var REACT_MEMO_TYPE = 0xead3;
+var REACT_LAZY_TYPE = 0xead4;
+var REACT_SCOPE_TYPE = 0xead7;
+var REACT_OPAQUE_ID_TYPE = 0xeae0;
+var REACT_DEBUG_TRACING_MODE_TYPE = 0xeae1;
+var REACT_OFFSCREEN_TYPE = 0xeae2;
+var REACT_LEGACY_HIDDEN_TYPE = 0xeae3;
+var REACT_CACHE_TYPE = 0xeae4;
 
+if (typeof Symbol === 'function' && Symbol.for) {
+  var symbolFor = Symbol.for;
+  REACT_ELEMENT_TYPE = symbolFor('react.element');
+  REACT_PORTAL_TYPE = symbolFor('react.portal');
+  REACT_FRAGMENT_TYPE = symbolFor('react.fragment');
+  REACT_STRICT_MODE_TYPE = symbolFor('react.strict_mode');
+  REACT_PROFILER_TYPE = symbolFor('react.profiler');
+  REACT_PROVIDER_TYPE = symbolFor('react.provider');
+  REACT_CONTEXT_TYPE = symbolFor('react.context');
+  REACT_FORWARD_REF_TYPE = symbolFor('react.forward_ref');
+  REACT_SUSPENSE_TYPE = symbolFor('react.suspense');
+  REACT_SUSPENSE_LIST_TYPE = symbolFor('react.suspense_list');
+  REACT_MEMO_TYPE = symbolFor('react.memo');
+  REACT_LAZY_TYPE = symbolFor('react.lazy');
+  REACT_SCOPE_TYPE = symbolFor('react.scope');
+  REACT_OPAQUE_ID_TYPE = symbolFor('react.opaque.id');
+  REACT_DEBUG_TRACING_MODE_TYPE = symbolFor('react.debug_trace_mode');
+  REACT_OFFSCREEN_TYPE = symbolFor('react.offscreen');
+  REACT_LEGACY_HIDDEN_TYPE = symbolFor('react.legacy_hidden');
+  REACT_CACHE_TYPE = symbolFor('react.cache');
+}
+
 var PossiblyWeakMap = typeof WeakMap === 'function' ? WeakMap : Map; // We never remove these associations.
@@ -163,2 +201,12 @@ // It's OK to reference families, but use WeakMap/Set for types.
   return clone;
+} // This is a safety mechanism to protect against rogue getters and Proxies.
+
+
+function getProperty(object, property) {
+  try {
+    return object[property];
+  } catch (err) {
+    // Intentionally ignore.
+    return undefined;
+  }
 }
@@ -314,3 +362,3 @@
     if (typeof type === 'object' && type !== null) {
-      switch (type.$$typeof) {
+      switch (getProperty(type, '$$typeof')) {
         case REACT_FORWARD_REF_TYPE:
@@ -404,2 +452,10 @@ register(type.render, id + '$render');
       };
+    }
+
+    if (hook.isDisabled) {
+      // This isn't a real property on the hook, but it can be set to opt out
+      // of DevTools integration and associated warnings and logs.
+      // Using console['warn'] to evade Babel and ESLint
+      console['warn']('Something has shimmed the React DevTools global hook (__REACT_DEVTOOLS_GLOBAL_HOOK__). ' + 'Fast Refresh is not compatible with this shim and will be disabled.');
+      return;
     } // Here, we just want to get a reference to scheduleRefresh.
@@ -452,41 +508,40 @@
 
-      if (helpers === undefined) {
-        return;
-      }
+      if (helpers !== undefined) {
+        helpersByRoot.set(root, helpers);
+        var current = root.current;
+        var alternate = current.alternate; // We need to determine whether this root has just (un)mounted.
+        // This logic is copy-pasted from similar logic in the DevTools backend.
+        // If this breaks with some refactoring, you'll want to update DevTools too.
 
-      helpersByRoot.set(root, helpers);
-      var current = root.current;
-      var alternate = current.alternate; // We need to determine whether this root has just (un)mounted.
-      // This logic is copy-pasted from similar logic in the DevTools backend.
-      // If this breaks with some refactoring, you'll want to update DevTools too.
+        if (alternate !== null) {
+          var wasMounted = alternate.memoizedState != null && alternate.memoizedState.element != null;
+          var isMounted = current.memoizedState != null && current.memoizedState.element != null;
 
-      if (alternate !== null) {
-        var wasMounted = alternate.memoizedState != null && alternate.memoizedState.element != null;
-        var isMounted = current.memoizedState != null && current.memoizedState.element != null;
+          if (!wasMounted && isMounted) {
+            // Mount a new root.
+            mountedRoots.add(root);
+            failedRoots.delete(root);
+          } else if (wasMounted && isMounted) ; else if (wasMounted && !isMounted) {
+            // Unmount an existing root.
+            mountedRoots.delete(root);
 
-        if (!wasMounted && isMounted) {
+            if (didError) {
+              // We'll remount it on future edits.
+              failedRoots.add(root);
+            } else {
+              helpersByRoot.delete(root);
+            }
+          } else if (!wasMounted && !isMounted) {
+            if (didError) {
+              // We'll remount it on future edits.
+              failedRoots.add(root);
+            }
+          }
+        } else {
           // Mount a new root.
           mountedRoots.add(root);
-          failedRoots.delete(root);
-        } else if (wasMounted && isMounted) ; else if (wasMounted && !isMounted) {
-          // Unmount an existing root.
-          mountedRoots.delete(root);
-
-          if (didError) {
-            // We'll remount it on future edits.
-            failedRoots.add(root);
-          } else {
-            helpersByRoot.delete(root);
-          }
-        } else if (!wasMounted && !isMounted) {
-          if (didError) {
-            // We'll remount it on future edits.
-            failedRoots.add(root);
-          }
         }
-      } else {
-        // Mount a new root.
-        mountedRoots.add(root);
-      }
+      } // Always call the decorated DevTools hook.
 
+
       return oldOnCommitFiberRoot.apply(this, arguments);
@@ -600,3 +655,3 @@ };
           if (type != null) {
-            switch (type.$$typeof) {
+            switch (getProperty(type, '$$typeof')) {
               case REACT_FORWARD_REF_TYPE:
@@ -623,25 +678,15 @@ case REACT_MEMO_TYPE:
 
-var ReactFreshRuntime = /*#__PURE__*/Object.freeze({
-  __proto__: null,
-  performReactRefresh: performReactRefresh,
-  register: register,
-  setSignature: setSignature,
-  collectCustomHooksForSignature: collectCustomHooksForSignature,
-  getFamilyByID: getFamilyByID,
-  getFamilyByType: getFamilyByType,
-  findAffectedHostInstances: findAffectedHostInstances,
-  injectIntoGlobalHook: injectIntoGlobalHook,
-  hasUnrecoverableErrors: hasUnrecoverableErrors,
-  _getMountedRootCount: _getMountedRootCount,
-  createSignatureFunctionForTransform: createSignatureFunctionForTransform,
-  isLikelyComponentType: isLikelyComponentType
-});
-
-// This is hacky but makes it work with both Rollup and Jest.
-
-
-var runtime = ReactFreshRuntime.default || ReactFreshRuntime;
-
-module.exports = runtime;
+exports._getMountedRootCount = _getMountedRootCount;
+exports.collectCustomHooksForSignature = collectCustomHooksForSignature;
+exports.createSignatureFunctionForTransform = createSignatureFunctionForTransform;
+exports.findAffectedHostInstances = findAffectedHostInstances;
+exports.getFamilyByID = getFamilyByID;
+exports.getFamilyByType = getFamilyByType;
+exports.hasUnrecoverableErrors = hasUnrecoverableErrors;
+exports.injectIntoGlobalHook = injectIntoGlobalHook;
+exports.isLikelyComponentType = isLikelyComponentType;
+exports.performReactRefresh = performReactRefresh;
+exports.register = register;
+exports.setSignature = setSignature;
   })();
 }

cjs/react-refresh-runtime.production.min.js

@@ -1,2 +0,2 @@
-/** @license React v0.0.0-experimental-8d7535e54
+/** @license React vundefined
  * react-refresh-runtime.production.min.js
@@ -9,3 +9,2 @@ *
  */
-
 'use strict';throw Error("React Refresh runtime should not be included in the production bundle.");

package.json

@@ -7,3 +7,3 @@ {
   ],
-  "version": "0.0.0-experimental-8d7535e54",
+  "version": "0.0.0-experimental-9209c30ff",
   "homepage": "https://reactjs.org/",
@@ -21,3 +21,3 @@ "bugs": "https://github.com/facebook/react/issues",
   ],
-  "main": "index.js",
+  "main": "runtime.js",
   "repository": {
@@ -30,3 +30,7 @@ "type": "git",
     "node": ">=0.10.0"
+  },
+  "devDependencies": {
+    "react-16-8": "npm:react@16.8.0",
+    "react-dom-16-8": "npm:react-dom@16.8.0"
   }
-}
+}

README.md

 # react-refresh
 
-This is an experimental package for hot reloading.
+This package implements the wiring necessary to integrate Fast Refresh into bundlers. Fast Refresh is a feature that lets you edit React components in a running application without losing their state. It is similar to an old feature known as "hot reloading", but Fast Refresh is more reliable and officially supported by React.
 
-**Its API is not as stable as that of React, React Native, or React DOM, and does not follow the common versioning scheme.**
-
-**Use it at your own risk.**
+This package is primarily aimed at developers of bundler plugins. If you’re working on one, here is a [rough guide](https://github.com/facebook/react/issues/16604#issuecomment-528663101) for Fast Refresh integration using this package.

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Improved metrics

Total package byte prevSize

56038

increased by3.95%

Lines of code

1235

increased by3%

Worsened metrics

Dev dependency count

2

increased byInfinity%

Number of package files

9

decreased by-10%

Number of lines in readme file

6

decreased by-25%

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