react-refresh - npm Package Compare versions

Comparing version 0.0.0-7082d5a2d to 0.0.0-7f28234f8

build-info.json

 {
   "branch": "master",
-  "buildNumber": "53627",
-  "checksum": "807ff0a",
-  "commit": "7082d5a2d",
+  "buildNumber": "163070",
+  "checksum": "582ffec",
+  "commit": "7f28234f8",
   "environment": "ci",
-  "reactVersion": "16.10.2-7082d5a2d"
+  "reactVersion": "16.13.1-7f28234f8"
 }

cjs/react-refresh-babel.development.js

@@ -1,2 +0,2 @@
-/** @license React v0.0.0-7082d5a2d
+/** @license React v0.0.0-7f28234f8
  * react-refresh-babel.development.js
@@ -12,4 +12,2 @@ *
 
-
-
 if (process.env.NODE_ENV !== "production") {
@@ -19,3 +17,3 @@ (function() {
 
-var ReactFreshBabelPlugin = function (babel) {
+function ReactFreshBabelPlugin (babel) {
   var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
@@ -33,2 +31,4 @@
   var t = babel.types;
+  var refreshReg = t.identifier(opts.refreshReg || '$RefreshReg$');
+  var refreshSig = t.identifier(opts.refreshSig || '$RefreshSig$');
   var registrationsByProgramPath = new Map();
@@ -174,5 +174,3 @@
 
-                } else if (calleeType === 'MemberExpression') {// Could be something like React.forwardRef(...)
-                  // Pass through.
-                } else {
+                } else if (calleeType === 'MemberExpression') ; else {
                   // More complicated call.
@@ -214,3 +212,3 @@ return false;
 
-            if (ref.node.type !== 'JSXIdentifier' && ref.node.type !== 'Identifier') {
+            if (ref.node && ref.node.type !== 'JSXIdentifier' && ref.node.type !== 'Identifier') {
               continue;
@@ -577,3 +575,3 @@ }
             id: sigCallID,
-            init: t.callExpression(t.identifier('$RefreshSig$'), [])
+            init: t.callExpression(refreshSig, [])
           }); // The signature call is split in two parts. One part is called inside the function.
@@ -623,3 +621,3 @@ // This is used to signal when first render happens.
             id: sigCallID,
-            init: t.callExpression(t.identifier('$RefreshSig$'), [])
+            init: t.callExpression(refreshSig, [])
           }); // The signature call is split in two parts. One part is called inside the function.
@@ -712,12 +710,15 @@ // This is used to signal when first render happens.
 
-          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 = () => {})
           }
@@ -757,3 +758,3 @@ });
                 persistentID = _ref.persistentID;
-            path.pushContainer('body', t.expressionStatement(t.callExpression(t.identifier('$RefreshReg$'), [handle, t.stringLiteral(persistentID)])));
+            path.pushContainer('body', t.expressionStatement(t.callExpression(refreshReg, [handle, t.stringLiteral(persistentID)])));
             declarators.push(t.variableDeclarator(handle));
@@ -765,17 +766,6 @@ });
   };
-};
+}
 
-var ReactFreshBabelPlugin$1 = Object.freeze({
-	default: ReactFreshBabelPlugin
-});
-
-var ReactFreshBabelPlugin$2 = ( ReactFreshBabelPlugin$1 && ReactFreshBabelPlugin ) || ReactFreshBabelPlugin$1;
-
-// This is hacky but makes it work with both Rollup and Jest.
-
-
-var babel = ReactFreshBabelPlugin$2.default || ReactFreshBabelPlugin$2;
-
-module.exports = babel;
+module.exports = ReactFreshBabelPlugin;
   })();
 }

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

@@ -1,2 +0,2 @@
-/** @license React v0.0.0-7082d5a2d
+/** @license React v0.0.0-7f28234f8
  * react-refresh-babel.production.min.js
@@ -9,16 +9,14 @@ *
  */
-
-'use strict';function v(q){function r(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 t(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(!t(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,t(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 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 "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 D(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 u(a,b,d){var c=b.key;b=b.customHooks;var f=D(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||y.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 y=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{};if("function"===typeof q.getEnv){var z=q.getEnv();if("development"!==z&&!y.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=q.types,l=new Map,x=new WeakMap,k=new WeakSet,p=new WeakSet,A=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;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=r(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,t(f)&&!k.has(b)&&(k.add(b),m(f,a,function(a,b){a=r(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=w(b);if(null!==c&&!p.has(b)){p.add(b);b=a.scope.generateUidIdentifier("_s");
-a.scope.parent.push({id:b,init:e.callExpression(e.identifier("$RefreshSig$"),[])});a.get("body").unshiftContainer("body",e.expressionStatement(e.callExpression(b,[])));var f=null;a.find(function(a){if(a.parentPath.isBlock())return f=a,!0});null!==f&&f.insertAfter(e.expressionStatement(e.callExpression(b,u(d,c,f.scope))))}}}},"ArrowFunctionExpression|FunctionExpression":{exit:function(a){var b=a.node,d=w(b);if(null!==d&&!p.has(b)){p.add(b);var c=a.scope.generateUidIdentifier("_s");a.scope.parent.push({id:c,
-init:e.callExpression(e.identifier("$RefreshSig$"),[])});"BlockStatement"!==a.node.body.type&&(a.node.body=e.blockStatement([e.returnStatement(a.node.body)]));a.get("body").unshiftContainer("body",e.expressionStatement(e.callExpression(c,[])));if("VariableDeclarator"===a.parent.type){var f=null;a.find(function(a){if(a.parentPath.isBlock())return f=a,!0});null!==f&&f.insertAfter(e.expressionStatement(e.callExpression(c,u(a.parent.id,d,f.scope))))}else a.replaceWith(e.callExpression(c,u(b,d,a.scope)))}}},
-VariableDeclaration:function(a){var b=a.node;switch(a.parent.type){case "Program":var d=a;var c=a.parentPath;break;case "ExportNamedDeclaration":d=a.parentPath;c=d.parentPath;break;case "ExportDefaultDeclaration":d=a.parentPath;c=d.parentPath;break;default:return}if(!k.has(b)&&(k.add(b),a=a.get("declarations"),1===a.length)){var f=a[0];m(f.node.id.name,f,function(a,b,h){null!==h&&(a=r(c,a),"ArrowFunctionExpression"!==b.type&&"FunctionExpression"!==b.type||"VariableDeclarator"!==h.parent.type?h.replaceWith(e.assignmentExpression("=",
-a,b)):d.insertAfter(e.expressionStatement(e.assignmentExpression("=",a,f.node.id))))})}},Program:{enter:function(a){a.traverse(E)},exit:function(a){var b=l.get(a);if(void 0!==b){var d=a.node;if(!A.has(d)){A.add(d);l.delete(a);var c=[];a.pushContainer("body",e.variableDeclaration("var",c));b.forEach(function(b){var d=b.handle;b=b.persistentID;a.pushContainer("body",e.expressionStatement(e.callExpression(e.identifier("$RefreshReg$"),[d,e.stringLiteral(b)])));c.push(e.variableDeclarator(d))})}}}}}}}
-var B={default:v},C=B&&v||B;module.exports=C.default||C;
+'use strict';module.exports=function(r){function t(a,b){var d=a.scope.generateUidIdentifier("c");l.has(a)||l.set(a,[]);l.get(a).push({handle:d,persistentID:b});return d}function u(a){return"string"===typeof a&&"A"<=a[0]&&"Z">=a[0]}function m(a,b,d){var c=b.node;switch(c.type){case "Identifier":if(!u(c.name))break;d(a,c,null);return!0;case "FunctionDeclaration":return d(a,c.id,null),!0;case "ArrowFunctionExpression":if("ArrowFunctionExpression"===c.body.type)break;d(a,c,b);return!0;case "FunctionExpression":return d(a,
+c,b),!0;case "CallExpression":var f=b.get("arguments");if(void 0===f||0===f.length)break;var g=b.get("callee");switch(g.node.type){case "MemberExpression":case "Identifier":g=g.getSource();if(!m(a+"$"+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)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(!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 "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 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.getEnv){var y=r.getEnv();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=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 v0.0.0-7082d5a2d
+/** @license React v0.0.0-7f28234f8
  * react-refresh-runtime.development.js
@@ -12,4 +12,2 @@ *
 
-
-
 if (process.env.NODE_ENV !== "production") {
@@ -19,21 +17,54 @@ (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_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_BLOCK_TYPE = 0xead9;
+var REACT_SERVER_BLOCK_TYPE = 0xeada;
+var REACT_FUNDAMENTAL_TYPE = 0xead5;
+var REACT_RESPONDER_TYPE = 0xead6;
+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;
 
+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_BLOCK_TYPE = symbolFor('react.block');
+  REACT_SERVER_BLOCK_TYPE = symbolFor('react.server.block');
+  REACT_FUNDAMENTAL_TYPE = symbolFor('react.fundamental');
+  REACT_RESPONDER_TYPE = symbolFor('react.responder');
+  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');
+}
 
-
-
-
-
- // TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary
-// (unstable) APIs that have been removed. Can we remove the symbols?
-
-
-
-var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;
-
-
-var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;
-
 var PossiblyWeakMap = typeof WeakMap === 'function' ? WeakMap : Map; // We never remove these associations.
@@ -56,7 +87,13 @@ // It's OK to reference families, but use WeakMap/Set for types.
 
-var mountedRoots = new Set(); // If a root captures an error, we add its element to this Map so we can retry on edit.
+var mountedRoots = new Set(); // If a root captures an error, we remember it so we can retry on edit.
 
-var failedRoots = new Map();
-var didSomeRootFailOnMount = false;
+var failedRoots = new Set(); // In environments that support WeakMap, we also remember the last element for every root.
+// It needs to be weak because we do this even for roots that failed to mount.
+// If there is no WeakMap, we won't attempt to do retrying.
+// $FlowIssue
 
+var rootElements = // $FlowIssue
+typeof WeakMap === 'function' ? new WeakMap() : null;
+var isPerformingRefresh = false;
+
 function computeFullKey(signature) {
@@ -154,10 +191,34 @@ if (signature.fullKey !== null) {
   return updatedFamiliesByType.get(type);
+} // If we didn't care about IE11, we could use new Map/Set(iterable).
+
+
+function cloneMap(map) {
+  var clone = new Map();
+  map.forEach(function (value, key) {
+    clone.set(key, value);
+  });
+  return clone;
 }
 
+function cloneSet(set) {
+  var clone = new Set();
+  set.forEach(function (value) {
+    clone.add(value);
+  });
+  return clone;
+}
+
 function performReactRefresh() {
-  {
-    if (pendingUpdates.length === 0) {
-      return null;
-    }
 
+  if (pendingUpdates.length === 0) {
+    return null;
+  }
+
+  if (isPerformingRefresh) {
+    return null;
+  }
+
+  isPerformingRefresh = true;
+
+  try {
     var staleFamilies = new Set();
@@ -196,6 +257,13 @@ var updatedFamilies = new Set();
     var didError = false;
-    var firstError = null;
-    failedRoots.forEach(function (element, root) {
-      var helpers = helpersByRoot.get(root);
+    var firstError = null; // We snapshot maps and sets that are mutated during commits.
+    // If we don't do this, there is a risk they will be mutated while
+    // we iterate over them. For example, trying to recover a failed root
+    // may cause another root to be added to the failed list -- an infinite loop.
 
+    var failedRootsSnapshot = cloneSet(failedRoots);
+    var mountedRootsSnapshot = cloneSet(mountedRoots);
+    var helpersByRootSnapshot = cloneMap(helpersByRoot);
+    failedRootsSnapshot.forEach(function (root) {
+      var helpers = helpersByRootSnapshot.get(root);
+
       if (helpers === undefined) {
@@ -205,2 +273,15 @@ throw new Error('Could not find helpers for a root. This is a bug in React Refresh.');
 
+      if (!failedRoots.has(root)) {// No longer failed.
+      }
+
+      if (rootElements === null) {
+        return;
+      }
+
+      if (!rootElements.has(root)) {
+        return;
+      }
+
+      var element = rootElements.get(root);
+
       try {
@@ -216,4 +297,4 @@ helpers.scheduleRoot(root, element);
     });
-    mountedRoots.forEach(function (root) {
-      var helpers = helpersByRoot.get(root);
+    mountedRootsSnapshot.forEach(function (root) {
+      var helpers = helpersByRootSnapshot.get(root);
 
@@ -224,2 +305,5 @@ if (helpers === undefined) {
 
+      if (!mountedRoots.has(root)) {// No longer mounted.
+      }
+
       try {
@@ -241,2 +325,4 @@ helpers.scheduleRefresh(root, update);
     return update;
+  } finally {
+    isPerformingRefresh = false;
   }
@@ -358,2 +444,3 @@ }
       globalObject.__REACT_DEVTOOLS_GLOBAL_HOOK__ = hook = {
+        renderers: new Map(),
         supportsFiber: true,
@@ -363,2 +450,3 @@ inject: function (injected) {
         },
+        onScheduleFiberRoot: function (id, root, children) {},
         onCommitFiberRoot: function (id, root, maybePriorityLevel, didError) {},
@@ -381,7 +469,32 @@ onCommitFiberUnmount: function () {}
       return id;
-    }; // We also want to track currently mounted roots.
+    }; // Do the same for any already injected roots.
+    // This is useful if ReactDOM has already been initialized.
+    // https://github.com/facebook/react/issues/17626
 
 
+    hook.renderers.forEach(function (injected, id) {
+      if (typeof injected.scheduleRefresh === 'function' && typeof injected.setRefreshHandler === 'function') {
+        // This version supports React Refresh.
+        helpersByRendererID.set(id, injected);
+      }
+    }); // We also want to track currently mounted roots.
+
     var oldOnCommitFiberRoot = hook.onCommitFiberRoot;
 
+    var oldOnScheduleFiberRoot = hook.onScheduleFiberRoot || function () {};
+
+    hook.onScheduleFiberRoot = function (id, root, children) {
+      if (!isPerformingRefresh) {
+        // If it was intentionally scheduled, don't attempt to restore.
+        // This includes intentionally scheduled unmounts.
+        failedRoots.delete(root);
+
+        if (rootElements !== null) {
+          rootElements.set(root, children);
+        }
+      }
+
+      return oldOnScheduleFiberRoot.apply(this, arguments);
+    };
+
     hook.onCommitFiberRoot = function (id, root, maybePriorityLevel, didError) {
@@ -408,5 +521,3 @@ var helpers = helpersByRendererID.get(id);
           failedRoots.delete(root);
-        } else if (wasMounted && isMounted) {// Update an existing root.
-          // This doesn't affect our mounted root Set.
-        } else if (wasMounted && !isMounted) {
+        } else if (wasMounted && isMounted) ; else if (wasMounted && !isMounted) {
           // Unmount an existing root.
@@ -417,4 +528,3 @@ mountedRoots.delete(root);
             // We'll remount it on future edits.
-            // Remember what was rendered so we can restore it.
-            failedRoots.set(root, alternate.memoizedState.element);
+            failedRoots.add(root);
           } else {
@@ -424,13 +534,5 @@ helpersByRoot.delete(root);
         } else if (!wasMounted && !isMounted) {
-          if (didError && !failedRoots.has(root)) {
-            // The root had an error during the initial mount.
-            // We can't read its last element from the memoized state
-            // because there was no previously committed alternate.
-            // Ideally, it would be nice if we had a way to extract
-            // the last attempted rendered element, but accessing the update queue
-            // would tie this package too closely to the reconciler version.
-            // So instead, we just set a flag.
-            // TODO: Maybe we could fix this as the same time as when we fix
-            // DevTools to not depend on `alternate.memoizedState.element`.
-            didSomeRootFailOnMount = true;
+          if (didError) {
+            // We'll remount it on future edits.
+            failedRoots.add(root);
           }
@@ -448,3 +550,4 @@ }
 function hasUnrecoverableErrors() {
-  return didSomeRootFailOnMount;
+  // TODO: delete this after removing dependency in RN.
+  return false;
 } // Exposed for testing.
@@ -481,14 +584,24 @@
   {
-    var call = 0;
+    // We'll fill in the signature in two steps.
+    // First, we'll know the signature itself. This happens outside the component.
+    // Then, we'll know the references to custom Hooks. This happens inside the component.
+    // After that, the returned function will be a fast path no-op.
+    var status = 'needsSignature';
     var savedType;
     var hasCustomHooks;
     return function (type, key, forceReset, getCustomHooks) {
-      switch (call++) {
-        case 0:
-          savedType = type;
-          hasCustomHooks = typeof getCustomHooks === 'function';
-          setSignature(type, key, forceReset, getCustomHooks);
+      switch (status) {
+        case 'needsSignature':
+          if (type !== undefined) {
+            // If we received an argument, this is the initial registration call.
+            savedType = type;
+            hasCustomHooks = typeof getCustomHooks === 'function';
+            setSignature(type, key, forceReset, getCustomHooks); // The next call we expect is from inside a function, to fill in the custom Hooks.
+
+            status = 'needsCustomHooks';
+          }
+
           break;
 
-        case 1:
+        case 'needsCustomHooks':
           if (hasCustomHooks) {
@@ -498,2 +611,3 @@ collectCustomHooksForSignature(savedType);
 
+          status = 'resolved';
           break;
@@ -564,24 +678,15 @@ }
 
-var ReactFreshRuntime = Object.freeze({
-	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 v0.0.0-7082d5a2d
+/** @license React v0.0.0-7f28234f8
  * 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": "0.0.0-7082d5a2d",
+  "version": "0.0.0-7f28234f8",
   "homepage": "https://reactjs.org/",
@@ -10,0 +10,0 @@ "bugs": "https://github.com/facebook/react/issues",

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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