Merge branch 'master' into tsserverSourceFileVersioning

Author: sheetalkamat

.github/issue_template.md

@@ -5,6 +5,7 @@ on:
         # This is probably 6am UTC, which is 10pm PST or 11pm PDT
         # Alternatively, 6am local is also fine
         - cron: '0 6 * * *'
+    workflow_dispatch: {}
 
 jobs:
   build:

.github/workflows/update-package-lock.yaml

@@ -43,7 +43,7 @@ with any additional questions or comments.
 ## Documentation
 
 *  [TypeScript in 5 minutes](https://www.typescriptlang.org/docs/handbook/typescript-in-5-minutes.html)
-*  [Programming handbook](https://www.typescriptlang.org/docs/handbook/basic-types.html)
+*  [Programming handbook](https://www.typescriptlang.org/docs/handbook/intro.html)
 *  [Homepage](https://www.typescriptlang.org/)
 
 ## Building

README.md

@@ -2,7 +2,7 @@
     "name": "typescript",
     "author": "Microsoft Corp.",
     "homepage": "https://www.typescriptlang.org/",
-    "version": "4.3.0",
+    "version": "4.4.0",
     "license": "Apache-2.0",
     "description": "TypeScript is a language for application scale JavaScript development",
     "keywords": [
@@ -53,9 +53,9 @@
         "@types/source-map-support": "latest",
         "@types/through2": "latest",
         "@types/xml2js": "^0.4.0",
-        "@typescript-eslint/eslint-plugin": "4.5.0",
-        "@typescript-eslint/experimental-utils": "4.5.0",
-        "@typescript-eslint/parser": "4.5.0",
+        "@typescript-eslint/eslint-plugin": "^4.19.0",
+        "@typescript-eslint/experimental-utils": "^4.19.0",
+        "@typescript-eslint/parser": "^4.19.0",
         "async": "latest",
         "azure-devops-node-api": "^10.1.0",
         "browser-resolve": "^1.11.2",
@@ -94,7 +94,7 @@
         "remove-internal": "^2.9.2",
         "source-map-support": "latest",
         "through2": "latest",
-        "typescript": "^4.0.0-dev.20200624",
+        "typescript": "^4.2.3",
         "vinyl": "latest",
         "vinyl-sourcemaps-apply": "latest",
         "xml2js": "^0.4.19"
@@ -129,6 +129,5 @@
     },
     "volta": {
         "node": "14.15.5"
-    },
-    "dependencies": {}
+    }
 }

package-lock.json

@@ -683,6 +683,7 @@ namespace ts {
                 }
                 if (node.kind === SyntaxKind.SourceFile) {
                     node.flags |= emitFlags;
+                    (node as SourceFile).endFlowNode = currentFlow;
                 }
 
                 if (currentReturnTarget) {
@@ -2122,9 +2123,9 @@ namespace ts {
             const saveParent = parent;
             const saveCurrentFlow = currentFlow;
             for (const typeAlias of delayedTypeAliases) {
-                const host = getJSDocHost(typeAlias);
-                container = (host && findAncestor(host.parent, n => !!(getContainerFlags(n) & ContainerFlags.IsContainer))) || file;
-                blockScopeContainer = (host && getEnclosingBlockScopeContainer(host)) || file;
+                const host = typeAlias.parent.parent;
+                container = findAncestor(host.parent, n => !!(getContainerFlags(n) & ContainerFlags.IsContainer)) || file;
+                blockScopeContainer = getEnclosingBlockScopeContainer(host) || file;
                 currentFlow = initFlowNode({ flags: FlowFlags.Start });
                 parent = typeAlias;
                 bind(typeAlias.typeExpression);
@@ -2767,8 +2768,8 @@ namespace ts {
 
         function bindExportAssignment(node: ExportAssignment) {
             if (!container.symbol || !container.symbol.exports) {
-                // Export assignment in some sort of block construct
-                bindAnonymousDeclaration(node, SymbolFlags.Alias, getDeclarationName(node)!);
+                // Incorrect export assignment in some sort of block construct
+                bindAnonymousDeclaration(node, SymbolFlags.Value, getDeclarationName(node)!);
             }
             else {
                 const flags = exportAssignmentIsAlias(node)
@@ -3187,7 +3188,7 @@ namespace ts {
                 undefined;
             init = init && getRightMostAssignedExpression(init);
             if (init) {
-                const isPrototypeAssignment = isPrototypeAccess(isVariableDeclaration(node) ? node.name : isBinaryExpression(node) ? node.left : node);
+                const isPrototypeAssignment = isPrototypeAccess(isVariableDeclaration(node!) ? node.name : isBinaryExpression(node!) ? node.left : node!);
                 return !!getExpandoInitializer(isBinaryExpression(init) && (init.operatorToken.kind === SyntaxKind.BarBarToken || init.operatorToken.kind === SyntaxKind.QuestionQuestionToken) ? init.right : init, isPrototypeAssignment);
             }
             return false;