diff --git a/extensions/javascript/syntaxes/JavaScript.tmLanguage.json b/extensions/javascript/syntaxes/JavaScript.tmLanguage.json
index 1817892619e..9726c5ab25a 100644
--- a/extensions/javascript/syntaxes/JavaScript.tmLanguage.json
+++ b/extensions/javascript/syntaxes/JavaScript.tmLanguage.json
@@ -4,7 +4,7 @@
 		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
 		"Once accepted there, we are happy to receive an update request."
 	],
-	"version": "https://github.com/microsoft/TypeScript-TmLanguage/commit/d1a9c200322c3dc3fb8a9d0e0912b478cdf973ff",
+	"version": "https://github.com/microsoft/TypeScript-TmLanguage/commit/e0aefd8205cc9d1bc7859cc5babbee0d833dca0f",
 	"name": "JavaScript (with React support)",
 	"scopeName": "source.js",
 	"patterns": [
@@ -299,7 +299,7 @@
 				{
 					"name": "meta.var.expr.js",
 					"begin": "(?=(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))",
-					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^let|[^\\._$[:alnum:]]let|^var|[^\\._$[:alnum:]]var)(?=\\s*$)))",
+					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=^|;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^let|[^\\._$[:alnum:]]let|^var|[^\\._$[:alnum:]]var)(?=\\s*$)))",
 					"patterns": [
 						{
 							"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*",
@@ -329,7 +329,7 @@
 							"include": "#comment"
 						},
 						{
-							"begin": "(,)\\s*((?!\\S)|(?=\\/\\/))",
+							"begin": "(,)\\s*(?=$|\\/\\/)",
 							"beginCaptures": {
 								"1": {
 									"name": "punctuation.separator.comma.js"
@@ -373,7 +373,7 @@
 							"name": "storage.type.js"
 						}
 					},
-					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^const|[^\\._$[:alnum:]]const)(?=\\s*$)))",
+					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=^|;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^const|[^\\._$[:alnum:]]const)(?=\\s*$)))",
 					"patterns": [
 						{
 							"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*",
@@ -403,7 +403,7 @@
 							"include": "#comment"
 						},
 						{
-							"begin": "(,)\\s*((?!\\S)|(?=\\/\\/))",
+							"begin": "(,)\\s*(?=$|\\/\\/)",
 							"beginCaptures": {
 								"1": {
 									"name": "punctuation.separator.comma.js"
@@ -448,7 +448,7 @@
 							"name": "keyword.operator.definiteassignment.js"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -466,7 +466,7 @@
 							"name": "keyword.operator.definiteassignment.js"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -484,7 +484,7 @@
 							"name": "keyword.operator.definiteassignment.js"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -503,7 +503,7 @@
 							"name": "meta.definition.variable.js variable.other.constant.js entity.name.function.js"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -518,7 +518,7 @@
 							"name": "meta.definition.variable.js variable.other.constant.js"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
diff --git a/extensions/javascript/syntaxes/JavaScriptReact.tmLanguage.json b/extensions/javascript/syntaxes/JavaScriptReact.tmLanguage.json
index 714324701bb..b0fb54f1707 100644
--- a/extensions/javascript/syntaxes/JavaScriptReact.tmLanguage.json
+++ b/extensions/javascript/syntaxes/JavaScriptReact.tmLanguage.json
@@ -4,7 +4,7 @@
 		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
 		"Once accepted there, we are happy to receive an update request."
 	],
-	"version": "https://github.com/microsoft/TypeScript-TmLanguage/commit/d1a9c200322c3dc3fb8a9d0e0912b478cdf973ff",
+	"version": "https://github.com/microsoft/TypeScript-TmLanguage/commit/e0aefd8205cc9d1bc7859cc5babbee0d833dca0f",
 	"name": "JavaScript (with React support)",
 	"scopeName": "source.js.jsx",
 	"patterns": [
@@ -299,7 +299,7 @@
 				{
 					"name": "meta.var.expr.js.jsx",
 					"begin": "(?=(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))",
-					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^let|[^\\._$[:alnum:]]let|^var|[^\\._$[:alnum:]]var)(?=\\s*$)))",
+					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=^|;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^let|[^\\._$[:alnum:]]let|^var|[^\\._$[:alnum:]]var)(?=\\s*$)))",
 					"patterns": [
 						{
 							"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*",
@@ -329,7 +329,7 @@
 							"include": "#comment"
 						},
 						{
-							"begin": "(,)\\s*((?!\\S)|(?=\\/\\/))",
+							"begin": "(,)\\s*(?=$|\\/\\/)",
 							"beginCaptures": {
 								"1": {
 									"name": "punctuation.separator.comma.js.jsx"
@@ -373,7 +373,7 @@
 							"name": "storage.type.js.jsx"
 						}
 					},
-					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^const|[^\\._$[:alnum:]]const)(?=\\s*$)))",
+					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=^|;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^const|[^\\._$[:alnum:]]const)(?=\\s*$)))",
 					"patterns": [
 						{
 							"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*",
@@ -403,7 +403,7 @@
 							"include": "#comment"
 						},
 						{
-							"begin": "(,)\\s*((?!\\S)|(?=\\/\\/))",
+							"begin": "(,)\\s*(?=$|\\/\\/)",
 							"beginCaptures": {
 								"1": {
 									"name": "punctuation.separator.comma.js.jsx"
@@ -448,7 +448,7 @@
 							"name": "keyword.operator.definiteassignment.js.jsx"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -466,7 +466,7 @@
 							"name": "keyword.operator.definiteassignment.js.jsx"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -484,7 +484,7 @@
 							"name": "keyword.operator.definiteassignment.js.jsx"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -503,7 +503,7 @@
 							"name": "meta.definition.variable.js.jsx variable.other.constant.js.jsx entity.name.function.js.jsx"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -518,7 +518,7 @@
 							"name": "meta.definition.variable.js.jsx variable.other.constant.js.jsx"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
diff --git a/extensions/typescript-basics/cgmanifest.json b/extensions/typescript-basics/cgmanifest.json
index 531c4bc5276..d0261905ada 100644
--- a/extensions/typescript-basics/cgmanifest.json
+++ b/extensions/typescript-basics/cgmanifest.json
@@ -6,7 +6,7 @@
 				"git": {
 					"name": "TypeScript-TmLanguage",
 					"repositoryUrl": "https://github.com/microsoft/TypeScript-TmLanguage",
-					"commitHash": "d1a9c200322c3dc3fb8a9d0e0912b478cdf973ff"
+					"commitHash": "e0aefd8205cc9d1bc7859cc5babbee0d833dca0f"
 				}
 			},
 			"license": "MIT",
diff --git a/extensions/typescript-basics/syntaxes/TypeScript.tmLanguage.json b/extensions/typescript-basics/syntaxes/TypeScript.tmLanguage.json
index 05cbfcc743e..7ad3622320e 100644
--- a/extensions/typescript-basics/syntaxes/TypeScript.tmLanguage.json
+++ b/extensions/typescript-basics/syntaxes/TypeScript.tmLanguage.json
@@ -4,7 +4,7 @@
 		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
 		"Once accepted there, we are happy to receive an update request."
 	],
-	"version": "https://github.com/microsoft/TypeScript-TmLanguage/commit/d1a9c200322c3dc3fb8a9d0e0912b478cdf973ff",
+	"version": "https://github.com/microsoft/TypeScript-TmLanguage/commit/e0aefd8205cc9d1bc7859cc5babbee0d833dca0f",
 	"name": "TypeScript",
 	"scopeName": "source.ts",
 	"patterns": [
@@ -296,7 +296,7 @@
 				{
 					"name": "meta.var.expr.ts",
 					"begin": "(?=(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))",
-					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^let|[^\\._$[:alnum:]]let|^var|[^\\._$[:alnum:]]var)(?=\\s*$)))",
+					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=^|;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^let|[^\\._$[:alnum:]]let|^var|[^\\._$[:alnum:]]var)(?=\\s*$)))",
 					"patterns": [
 						{
 							"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*",
@@ -326,7 +326,7 @@
 							"include": "#comment"
 						},
 						{
-							"begin": "(,)\\s*((?!\\S)|(?=\\/\\/))",
+							"begin": "(,)\\s*(?=$|\\/\\/)",
 							"beginCaptures": {
 								"1": {
 									"name": "punctuation.separator.comma.ts"
@@ -370,7 +370,7 @@
 							"name": "storage.type.ts"
 						}
 					},
-					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^const|[^\\._$[:alnum:]]const)(?=\\s*$)))",
+					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=^|;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^const|[^\\._$[:alnum:]]const)(?=\\s*$)))",
 					"patterns": [
 						{
 							"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*",
@@ -400,7 +400,7 @@
 							"include": "#comment"
 						},
 						{
-							"begin": "(,)\\s*((?!\\S)|(?=\\/\\/))",
+							"begin": "(,)\\s*(?=$|\\/\\/)",
 							"beginCaptures": {
 								"1": {
 									"name": "punctuation.separator.comma.ts"
@@ -445,7 +445,7 @@
 							"name": "keyword.operator.definiteassignment.ts"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -463,7 +463,7 @@
 							"name": "keyword.operator.definiteassignment.ts"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -481,7 +481,7 @@
 							"name": "keyword.operator.definiteassignment.ts"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -500,7 +500,7 @@
 							"name": "meta.definition.variable.ts variable.other.constant.ts entity.name.function.ts"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -515,7 +515,7 @@
 							"name": "meta.definition.variable.ts variable.other.constant.ts"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
diff --git a/extensions/typescript-basics/syntaxes/TypeScriptReact.tmLanguage.json b/extensions/typescript-basics/syntaxes/TypeScriptReact.tmLanguage.json
index 6fb1d18332c..10b809d93b9 100644
--- a/extensions/typescript-basics/syntaxes/TypeScriptReact.tmLanguage.json
+++ b/extensions/typescript-basics/syntaxes/TypeScriptReact.tmLanguage.json
@@ -4,7 +4,7 @@
 		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
 		"Once accepted there, we are happy to receive an update request."
 	],
-	"version": "https://github.com/microsoft/TypeScript-TmLanguage/commit/d1a9c200322c3dc3fb8a9d0e0912b478cdf973ff",
+	"version": "https://github.com/microsoft/TypeScript-TmLanguage/commit/e0aefd8205cc9d1bc7859cc5babbee0d833dca0f",
 	"name": "TypeScriptReact",
 	"scopeName": "source.tsx",
 	"patterns": [
@@ -299,7 +299,7 @@
 				{
 					"name": "meta.var.expr.tsx",
 					"begin": "(?=(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))",
-					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^let|[^\\._$[:alnum:]]let|^var|[^\\._$[:alnum:]]var)(?=\\s*$)))",
+					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=^|;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^let|[^\\._$[:alnum:]]let|^var|[^\\._$[:alnum:]]var)(?=\\s*$)))",
 					"patterns": [
 						{
 							"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(var|let)(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*",
@@ -329,7 +329,7 @@
 							"include": "#comment"
 						},
 						{
-							"begin": "(,)\\s*((?!\\S)|(?=\\/\\/))",
+							"begin": "(,)\\s*(?=$|\\/\\/)",
 							"beginCaptures": {
 								"1": {
 									"name": "punctuation.separator.comma.tsx"
@@ -373,7 +373,7 @@
 							"name": "storage.type.tsx"
 						}
 					},
-					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^const|[^\\._$[:alnum:]]const)(?=\\s*$)))",
+					"end": "(?!(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.)))((?=^|;|}|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))|((?<!^const|[^\\._$[:alnum:]]const)(?=\\s*$)))",
 					"patterns": [
 						{
 							"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(\\bexport)\\s+)?(?:(\\bdeclare)\\s+)?\\b(const(?!\\s+enum\\b))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*",
@@ -403,7 +403,7 @@
 							"include": "#comment"
 						},
 						{
-							"begin": "(,)\\s*((?!\\S)|(?=\\/\\/))",
+							"begin": "(,)\\s*(?=$|\\/\\/)",
 							"beginCaptures": {
 								"1": {
 									"name": "punctuation.separator.comma.tsx"
@@ -448,7 +448,7 @@
 							"name": "keyword.operator.definiteassignment.tsx"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -466,7 +466,7 @@
 							"name": "keyword.operator.definiteassignment.tsx"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -484,7 +484,7 @@
 							"name": "keyword.operator.definiteassignment.tsx"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -503,7 +503,7 @@
 							"name": "meta.definition.variable.tsx variable.other.constant.tsx entity.name.function.tsx"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"
@@ -518,7 +518,7 @@
 							"name": "meta.definition.variable.tsx variable.other.constant.tsx"
 						}
 					},
-					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+))|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b))",
+					"end": "(?=$|^|[;,=}]|((?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(of|in)\\s+)|(;|^\\s*$|(?:^\\s*(?:abstract|async|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|var|while)\\b)))",
 					"patterns": [
 						{
 							"include": "#var-single-variable-type-annotation"