From 43987a99b55083ce3885efe2f6234358a2aa7f99 Mon Sep 17 00:00:00 2001
From: Matt Bierner <matb@microsoft.com>
Date: Tue, 5 Jun 2018 12:48:16 -0700
Subject: [PATCH] Update js/ts grammar

---
 .../syntaxes/JavaScript.tmLanguage.json       | 118 ++++++++----------
 .../syntaxes/JavaScriptReact.tmLanguage.json  | 118 ++++++++----------
 .../syntaxes/TypeScript.tmLanguage.json       | 118 ++++++++----------
 .../syntaxes/TypeScriptReact.tmLanguage.json  | 118 ++++++++----------
 4 files changed, 212 insertions(+), 260 deletions(-)

diff --git a/extensions/javascript/syntaxes/JavaScript.tmLanguage.json b/extensions/javascript/syntaxes/JavaScript.tmLanguage.json
index 53b17e58366..271bcb7e9d2 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/2165b3e1139e13880d450ba1bae0801df32b1a01",
+	"version": "https://github.com/Microsoft/TypeScript-TmLanguage/commit/ef418e58492234f46409f0a69bdd546f6d100f59",
 	"name": "JavaScript (with React support)",
 	"scopeName": "source.js",
 	"patterns": [
@@ -558,7 +558,7 @@
 		"parameter-name": {
 			"patterns": [
 				{
-					"match": "\\s*\\b(public|protected|private|readonly)(?=\\s+(public|protected|private|readonly)\\s+)",
+					"match": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|protected|private|readonly)\\s+(?=(public|protected|private|readonly)\\s+)",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.js"
@@ -566,7 +566,7 @@
 					}
 				},
 				{
-					"match": "(?x)(?:\\s*\\b(public|private|protected|readonly)\\s+)?(\\.\\.\\.)?\\s*(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)(?=\\s*\n# function assignment |\n(=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)) |\n# typeannotation is fn type: < | () | (... | (param: | (param, | (param? | (param= | (param) =>\n(:\\s*(\n  (<) |\n  ([(]\\s*(\n    ([)]) |\n    (\\.\\.\\.) |\n    ([_$[:alnum:]]+\\s*(\n      ([:,?=])|\n      ([)]\\s*=>)\n    ))\n  ))\n)) |\n(:\\s*(=>|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(<[^<>]*>)|[^<>(),=])+=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)))",
+					"match": "(?x)(?:(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|private|protected|readonly)\\s+)?(?:(\\.\\.\\.)\\s*)?(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)(?=\\s*\n# function assignment |\n(=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)) |\n# typeannotation is fn type: < | () | (... | (param: | (param, | (param? | (param= | (param) =>\n(:\\s*(\n  (<) |\n  ([(]\\s*(\n    ([)]) |\n    (\\.\\.\\.) |\n    ([_$[:alnum:]]+\\s*(\n      ([:,?=])|\n      ([)]\\s*=>)\n    ))\n  ))\n)) |\n(:\\s*(=>|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(<[^<>]*>)|[^<>(),=])+=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)))",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.js"
@@ -586,7 +586,7 @@
 					}
 				},
 				{
-					"match": "(?x)(?:\\s*\\b(public|private|protected|readonly)\\s+)?(\\.\\.\\.)?\\s*(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)",
+					"match": "(?x)(?:(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|private|protected|readonly)\\s+)?(?:(\\.\\.\\.)\\s*)?(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.js"
@@ -1288,7 +1288,7 @@
 		},
 		"class-expression": {
 			"name": "meta.class.js",
-			"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(class)\\b(?=\\s+|[<{]|/[/*])",
+			"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(class)\\b(?=\\s+|[<{]|\\/[\\/*])",
 			"beginCaptures": {
 				"1": {
 					"name": "storage.type.class.js"
@@ -1622,15 +1622,18 @@
 					"include": "#type-parameters"
 				},
 				{
-					"include": "#type"
-				},
-				{
-					"match": "(=)\\s*",
-					"captures": {
+					"begin": "(=)\\s*",
+					"beginCaptures": {
 						"1": {
 							"name": "keyword.operator.assignment.js"
 						}
-					}
+					},
+					"end": "(?=\\}|;|\\babstract\\b|\\basync\\b|\\bclass\\b|\\bconst\\b|\\bdeclare\\b|\\benum\\b|\\bexport\\b|\\bfunction\\b|\\bimport\\b|\\binterface\\b|\\blet\\b|\\bmodule\\b|\\bnamespace\\b|\\breturn\\b|\\btype\\b|\\bvar\\b)",
+					"patterns": [
+						{
+							"include": "#type"
+						}
+					]
 				}
 			]
 		},
@@ -2059,7 +2062,7 @@
 		},
 		"after-operator-block-as-object-literal": {
 			"name": "meta.objectliteral.js",
-			"begin": "(?<!\\+\\+|--)(?<=[:=(,\\[?+!]|^await|[^\\._$[:alnum:]]await|^return|[^\\._$[:alnum:]]return|^yield|[^\\._$[:alnum:]]yield|^throw|[^\\._$[:alnum:]]throw|^in|[^\\._$[:alnum:]]in|^of|[^\\._$[:alnum:]]of|^typeof|[^\\._$[:alnum:]]typeof|&&|\\|\\||\\*)\\s*(\\{)",
+			"begin": "(?<!\\+\\+|--)(?<=[:=(,\\[?+!>]|^await|[^\\._$[:alnum:]]await|^return|[^\\._$[:alnum:]]return|^yield|[^\\._$[:alnum:]]yield|^throw|[^\\._$[:alnum:]]throw|^in|[^\\._$[:alnum:]]in|^of|[^\\._$[:alnum:]]of|^typeof|[^\\._$[:alnum:]]typeof|&&|\\|\\||\\*)\\s*(\\{)",
 			"beginCaptures": {
 				"1": {
 					"name": "punctuation.definition.block.js"
@@ -2380,7 +2383,7 @@
 		"paren-expression-possibly-arrow": {
 			"patterns": [
 				{
-					"begin": "(?<=[(=,])\\s*(async)?(?=\\s*(<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)\\(\\s*[\\{\\[]\\s*$)",
+					"begin": "(?<=[(=,])\\s*(async)?(?=\\s*((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*))?\\(\\s*[\\{\\[]\\s*$)",
 					"beginCaptures": {
 						"1": {
 							"name": "storage.modifier.async.js"
@@ -2394,7 +2397,7 @@
 					]
 				},
 				{
-					"begin": "(?<=[(=,]|=>)\\s*(async)?(?=\\s*(<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)\\(\\s*$)",
+					"begin": "(?<=[(=,]|=>)\\s*(async)?(?=\\s*((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*))?\\(\\s*$)",
 					"beginCaptures": {
 						"1": {
 							"name": "storage.modifier.async.js"
@@ -2407,50 +2410,6 @@
 						}
 					]
 				},
-				{
-					"begin": "(?<=[(=,])\\s*(async)?\\s*(\\()(?=\\s*[\\{\\[]\\s*$)",
-					"beginCaptures": {
-						"1": {
-							"name": "storage.modifier.async.js"
-						},
-						"2": {
-							"name": "meta.brace.round.js"
-						}
-					},
-					"end": "\\)",
-					"endCaptures": {
-						"0": {
-							"name": "meta.brace.round.js"
-						}
-					},
-					"patterns": [
-						{
-							"include": "#expression-inside-possibly-arrow-parens"
-						}
-					]
-				},
-				{
-					"begin": "(?<=[(=,]|=>)\\s*(async)?\\s*(\\()(?=\\s*$)",
-					"beginCaptures": {
-						"1": {
-							"name": "storage.modifier.async.js"
-						},
-						"2": {
-							"name": "meta.brace.round.js"
-						}
-					},
-					"end": "\\)",
-					"endCaptures": {
-						"0": {
-							"name": "meta.brace.round.js"
-						}
-					},
-					"patterns": [
-						{
-							"include": "#expression-inside-possibly-arrow-parens"
-						}
-					]
-				},
 				{
 					"include": "#possibly-arrow-return-type"
 				}
@@ -3445,12 +3404,41 @@
 			]
 		},
 		"type-conditional": {
-			"match": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(extends)\\s+",
-			"captures": {
-				"1": {
-					"name": "storage.modifier.js"
+			"patterns": [
+				{
+					"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(extends)\\s+",
+					"beginCaptures": {
+						"1": {
+							"name": "storage.modifier.js"
+						}
+					},
+					"end": "(?<=:)",
+					"patterns": [
+						{
+							"begin": "\\?",
+							"beginCaptures": {
+								"0": {
+									"name": "keyword.operator.ternary.js"
+								}
+							},
+							"end": ":",
+							"endCaptures": {
+								"0": {
+									"name": "keyword.operator.ternary.js"
+								}
+							},
+							"patterns": [
+								{
+									"include": "#type"
+								}
+							]
+						},
+						{
+							"include": "#type"
+						}
+					]
 				}
-			}
+			]
 		},
 		"type-paren-or-function-parameters": {
 			"name": "meta.type.paren.cover.js",
@@ -3523,7 +3511,7 @@
 							"name": "storage.type.function.arrow.js"
 						}
 					},
-					"end": "(?<!=>)(?<![|&])(?=[,\\]\\)\\{\\}=;>]|//|$)",
+					"end": "(?<!=>)(?<![|&])(?=[,\\]\\)\\{\\}=;>:\\?]|//|$)",
 					"patterns": [
 						{
 							"include": "#type-function-return-type-core"
@@ -3538,7 +3526,7 @@
 							"name": "storage.type.function.arrow.js"
 						}
 					},
-					"end": "(?<!=>)(?<![|&])((?=[,\\]\\)\\{\\}=;>]|//|^\\s*$)|((?<=\\S)(?=\\s*$)))",
+					"end": "(?<!=>)(?<![|&])((?=[,\\]\\)\\{\\}=;:\\?>]|//|^\\s*$)|((?<=\\S)(?=\\s*$)))",
 					"patterns": [
 						{
 							"include": "#type-function-return-type-core"
diff --git a/extensions/javascript/syntaxes/JavaScriptReact.tmLanguage.json b/extensions/javascript/syntaxes/JavaScriptReact.tmLanguage.json
index 53da32f2dfe..68ce273b9bd 100644
--- a/extensions/javascript/syntaxes/JavaScriptReact.tmLanguage.json
+++ b/extensions/javascript/syntaxes/JavaScriptReact.tmLanguage.json
@@ -4,7 +4,7 @@
 		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
 		"Once accepted there, we are happy to receive an update request."
 	],
-	"version": "https://github.com/Microsoft/TypeScript-TmLanguage/commit/2165b3e1139e13880d450ba1bae0801df32b1a01",
+	"version": "https://github.com/Microsoft/TypeScript-TmLanguage/commit/ef418e58492234f46409f0a69bdd546f6d100f59",
 	"name": "JavaScript (with React support)",
 	"scopeName": "source.js.jsx",
 	"patterns": [
@@ -558,7 +558,7 @@
 		"parameter-name": {
 			"patterns": [
 				{
-					"match": "\\s*\\b(public|protected|private|readonly)(?=\\s+(public|protected|private|readonly)\\s+)",
+					"match": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|protected|private|readonly)\\s+(?=(public|protected|private|readonly)\\s+)",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.js.jsx"
@@ -566,7 +566,7 @@
 					}
 				},
 				{
-					"match": "(?x)(?:\\s*\\b(public|private|protected|readonly)\\s+)?(\\.\\.\\.)?\\s*(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)(?=\\s*\n# function assignment |\n(=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)) |\n# typeannotation is fn type: < | () | (... | (param: | (param, | (param? | (param= | (param) =>\n(:\\s*(\n  (<) |\n  ([(]\\s*(\n    ([)]) |\n    (\\.\\.\\.) |\n    ([_$[:alnum:]]+\\s*(\n      ([:,?=])|\n      ([)]\\s*=>)\n    ))\n  ))\n)) |\n(:\\s*(=>|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(<[^<>]*>)|[^<>(),=])+=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)))",
+					"match": "(?x)(?:(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|private|protected|readonly)\\s+)?(?:(\\.\\.\\.)\\s*)?(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)(?=\\s*\n# function assignment |\n(=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)) |\n# typeannotation is fn type: < | () | (... | (param: | (param, | (param? | (param= | (param) =>\n(:\\s*(\n  (<) |\n  ([(]\\s*(\n    ([)]) |\n    (\\.\\.\\.) |\n    ([_$[:alnum:]]+\\s*(\n      ([:,?=])|\n      ([)]\\s*=>)\n    ))\n  ))\n)) |\n(:\\s*(=>|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(<[^<>]*>)|[^<>(),=])+=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)))",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.js.jsx"
@@ -586,7 +586,7 @@
 					}
 				},
 				{
-					"match": "(?x)(?:\\s*\\b(public|private|protected|readonly)\\s+)?(\\.\\.\\.)?\\s*(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)",
+					"match": "(?x)(?:(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|private|protected|readonly)\\s+)?(?:(\\.\\.\\.)\\s*)?(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.js.jsx"
@@ -1288,7 +1288,7 @@
 		},
 		"class-expression": {
 			"name": "meta.class.js.jsx",
-			"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(class)\\b(?=\\s+|[<{]|/[/*])",
+			"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(class)\\b(?=\\s+|[<{]|\\/[\\/*])",
 			"beginCaptures": {
 				"1": {
 					"name": "storage.type.class.js.jsx"
@@ -1622,15 +1622,18 @@
 					"include": "#type-parameters"
 				},
 				{
-					"include": "#type"
-				},
-				{
-					"match": "(=)\\s*",
-					"captures": {
+					"begin": "(=)\\s*",
+					"beginCaptures": {
 						"1": {
 							"name": "keyword.operator.assignment.js.jsx"
 						}
-					}
+					},
+					"end": "(?=\\}|;|\\babstract\\b|\\basync\\b|\\bclass\\b|\\bconst\\b|\\bdeclare\\b|\\benum\\b|\\bexport\\b|\\bfunction\\b|\\bimport\\b|\\binterface\\b|\\blet\\b|\\bmodule\\b|\\bnamespace\\b|\\breturn\\b|\\btype\\b|\\bvar\\b)",
+					"patterns": [
+						{
+							"include": "#type"
+						}
+					]
 				}
 			]
 		},
@@ -2059,7 +2062,7 @@
 		},
 		"after-operator-block-as-object-literal": {
 			"name": "meta.objectliteral.js.jsx",
-			"begin": "(?<!\\+\\+|--)(?<=[:=(,\\[?+!]|^await|[^\\._$[:alnum:]]await|^return|[^\\._$[:alnum:]]return|^yield|[^\\._$[:alnum:]]yield|^throw|[^\\._$[:alnum:]]throw|^in|[^\\._$[:alnum:]]in|^of|[^\\._$[:alnum:]]of|^typeof|[^\\._$[:alnum:]]typeof|&&|\\|\\||\\*)\\s*(\\{)",
+			"begin": "(?<!\\+\\+|--)(?<=[:=(,\\[?+!>]|^await|[^\\._$[:alnum:]]await|^return|[^\\._$[:alnum:]]return|^yield|[^\\._$[:alnum:]]yield|^throw|[^\\._$[:alnum:]]throw|^in|[^\\._$[:alnum:]]in|^of|[^\\._$[:alnum:]]of|^typeof|[^\\._$[:alnum:]]typeof|&&|\\|\\||\\*)\\s*(\\{)",
 			"beginCaptures": {
 				"1": {
 					"name": "punctuation.definition.block.js.jsx"
@@ -2380,7 +2383,7 @@
 		"paren-expression-possibly-arrow": {
 			"patterns": [
 				{
-					"begin": "(?<=[(=,])\\s*(async)?(?=\\s*(<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)\\(\\s*[\\{\\[]\\s*$)",
+					"begin": "(?<=[(=,])\\s*(async)?(?=\\s*((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*))?\\(\\s*[\\{\\[]\\s*$)",
 					"beginCaptures": {
 						"1": {
 							"name": "storage.modifier.async.js.jsx"
@@ -2394,7 +2397,7 @@
 					]
 				},
 				{
-					"begin": "(?<=[(=,]|=>)\\s*(async)?(?=\\s*(<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)\\(\\s*$)",
+					"begin": "(?<=[(=,]|=>)\\s*(async)?(?=\\s*((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*))?\\(\\s*$)",
 					"beginCaptures": {
 						"1": {
 							"name": "storage.modifier.async.js.jsx"
@@ -2407,50 +2410,6 @@
 						}
 					]
 				},
-				{
-					"begin": "(?<=[(=,])\\s*(async)?\\s*(\\()(?=\\s*[\\{\\[]\\s*$)",
-					"beginCaptures": {
-						"1": {
-							"name": "storage.modifier.async.js.jsx"
-						},
-						"2": {
-							"name": "meta.brace.round.js.jsx"
-						}
-					},
-					"end": "\\)",
-					"endCaptures": {
-						"0": {
-							"name": "meta.brace.round.js.jsx"
-						}
-					},
-					"patterns": [
-						{
-							"include": "#expression-inside-possibly-arrow-parens"
-						}
-					]
-				},
-				{
-					"begin": "(?<=[(=,]|=>)\\s*(async)?\\s*(\\()(?=\\s*$)",
-					"beginCaptures": {
-						"1": {
-							"name": "storage.modifier.async.js.jsx"
-						},
-						"2": {
-							"name": "meta.brace.round.js.jsx"
-						}
-					},
-					"end": "\\)",
-					"endCaptures": {
-						"0": {
-							"name": "meta.brace.round.js.jsx"
-						}
-					},
-					"patterns": [
-						{
-							"include": "#expression-inside-possibly-arrow-parens"
-						}
-					]
-				},
 				{
 					"include": "#possibly-arrow-return-type"
 				}
@@ -3445,12 +3404,41 @@
 			]
 		},
 		"type-conditional": {
-			"match": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(extends)\\s+",
-			"captures": {
-				"1": {
-					"name": "storage.modifier.js.jsx"
+			"patterns": [
+				{
+					"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(extends)\\s+",
+					"beginCaptures": {
+						"1": {
+							"name": "storage.modifier.js.jsx"
+						}
+					},
+					"end": "(?<=:)",
+					"patterns": [
+						{
+							"begin": "\\?",
+							"beginCaptures": {
+								"0": {
+									"name": "keyword.operator.ternary.js.jsx"
+								}
+							},
+							"end": ":",
+							"endCaptures": {
+								"0": {
+									"name": "keyword.operator.ternary.js.jsx"
+								}
+							},
+							"patterns": [
+								{
+									"include": "#type"
+								}
+							]
+						},
+						{
+							"include": "#type"
+						}
+					]
 				}
-			}
+			]
 		},
 		"type-paren-or-function-parameters": {
 			"name": "meta.type.paren.cover.js.jsx",
@@ -3523,7 +3511,7 @@
 							"name": "storage.type.function.arrow.js.jsx"
 						}
 					},
-					"end": "(?<!=>)(?<![|&])(?=[,\\]\\)\\{\\}=;>]|//|$)",
+					"end": "(?<!=>)(?<![|&])(?=[,\\]\\)\\{\\}=;>:\\?]|//|$)",
 					"patterns": [
 						{
 							"include": "#type-function-return-type-core"
@@ -3538,7 +3526,7 @@
 							"name": "storage.type.function.arrow.js.jsx"
 						}
 					},
-					"end": "(?<!=>)(?<![|&])((?=[,\\]\\)\\{\\}=;>]|//|^\\s*$)|((?<=\\S)(?=\\s*$)))",
+					"end": "(?<!=>)(?<![|&])((?=[,\\]\\)\\{\\}=;:\\?>]|//|^\\s*$)|((?<=\\S)(?=\\s*$)))",
 					"patterns": [
 						{
 							"include": "#type-function-return-type-core"
diff --git a/extensions/typescript-basics/syntaxes/TypeScript.tmLanguage.json b/extensions/typescript-basics/syntaxes/TypeScript.tmLanguage.json
index d4d016549ea..7ce153aada5 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/2165b3e1139e13880d450ba1bae0801df32b1a01",
+	"version": "https://github.com/Microsoft/TypeScript-TmLanguage/commit/ef418e58492234f46409f0a69bdd546f6d100f59",
 	"name": "TypeScript",
 	"scopeName": "source.ts",
 	"patterns": [
@@ -555,7 +555,7 @@
 		"parameter-name": {
 			"patterns": [
 				{
-					"match": "\\s*\\b(public|protected|private|readonly)(?=\\s+(public|protected|private|readonly)\\s+)",
+					"match": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|protected|private|readonly)\\s+(?=(public|protected|private|readonly)\\s+)",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.ts"
@@ -563,7 +563,7 @@
 					}
 				},
 				{
-					"match": "(?x)(?:\\s*\\b(public|private|protected|readonly)\\s+)?(\\.\\.\\.)?\\s*(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)(?=\\s*\n# function assignment |\n(=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?[\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)) |\n# typeannotation is fn type: < | () | (... | (param: | (param, | (param? | (param= | (param) =>\n(:\\s*(\n  (<) |\n  ([(]\\s*(\n    ([)]) |\n    (\\.\\.\\.) |\n    ([_$[:alnum:]]+\\s*(\n      ([:,?=])|\n      ([)]\\s*=>)\n    ))\n  ))\n)) |\n(:\\s*(=>|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(<[^<>]*>)|[^<>(),=])+=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?[\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)))",
+					"match": "(?x)(?:(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|private|protected|readonly)\\s+)?(?:(\\.\\.\\.)\\s*)?(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)(?=\\s*\n# function assignment |\n(=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?[\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)) |\n# typeannotation is fn type: < | () | (... | (param: | (param, | (param? | (param= | (param) =>\n(:\\s*(\n  (<) |\n  ([(]\\s*(\n    ([)]) |\n    (\\.\\.\\.) |\n    ([_$[:alnum:]]+\\s*(\n      ([:,?=])|\n      ([)]\\s*=>)\n    ))\n  ))\n)) |\n(:\\s*(=>|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(<[^<>]*>)|[^<>(),=])+=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?[\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)))",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.ts"
@@ -583,7 +583,7 @@
 					}
 				},
 				{
-					"match": "(?x)(?:\\s*\\b(public|private|protected|readonly)\\s+)?(\\.\\.\\.)?\\s*(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)",
+					"match": "(?x)(?:(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|private|protected|readonly)\\s+)?(?:(\\.\\.\\.)\\s*)?(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.ts"
@@ -1285,7 +1285,7 @@
 		},
 		"class-expression": {
 			"name": "meta.class.ts",
-			"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(class)\\b(?=\\s+|[<{]|/[/*])",
+			"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(class)\\b(?=\\s+|[<{]|\\/[\\/*])",
 			"beginCaptures": {
 				"1": {
 					"name": "storage.type.class.ts"
@@ -1619,15 +1619,18 @@
 					"include": "#type-parameters"
 				},
 				{
-					"include": "#type"
-				},
-				{
-					"match": "(=)\\s*",
-					"captures": {
+					"begin": "(=)\\s*",
+					"beginCaptures": {
 						"1": {
 							"name": "keyword.operator.assignment.ts"
 						}
-					}
+					},
+					"end": "(?=\\}|;|\\babstract\\b|\\basync\\b|\\bclass\\b|\\bconst\\b|\\bdeclare\\b|\\benum\\b|\\bexport\\b|\\bfunction\\b|\\bimport\\b|\\binterface\\b|\\blet\\b|\\bmodule\\b|\\bnamespace\\b|\\breturn\\b|\\btype\\b|\\bvar\\b)",
+					"patterns": [
+						{
+							"include": "#type"
+						}
+					]
 				}
 			]
 		},
@@ -2056,7 +2059,7 @@
 		},
 		"after-operator-block-as-object-literal": {
 			"name": "meta.objectliteral.ts",
-			"begin": "(?<!\\+\\+|--)(?<=[:=(,\\[?+!]|^await|[^\\._$[:alnum:]]await|^return|[^\\._$[:alnum:]]return|^yield|[^\\._$[:alnum:]]yield|^throw|[^\\._$[:alnum:]]throw|^in|[^\\._$[:alnum:]]in|^of|[^\\._$[:alnum:]]of|^typeof|[^\\._$[:alnum:]]typeof|&&|\\|\\||\\*)\\s*(\\{)",
+			"begin": "(?<!\\+\\+|--)(?<=[:=(,\\[?+!>]|^await|[^\\._$[:alnum:]]await|^return|[^\\._$[:alnum:]]return|^yield|[^\\._$[:alnum:]]yield|^throw|[^\\._$[:alnum:]]throw|^in|[^\\._$[:alnum:]]in|^of|[^\\._$[:alnum:]]of|^typeof|[^\\._$[:alnum:]]typeof|&&|\\|\\||\\*)\\s*(\\{)",
 			"beginCaptures": {
 				"1": {
 					"name": "punctuation.definition.block.ts"
@@ -2377,7 +2380,7 @@
 		"paren-expression-possibly-arrow": {
 			"patterns": [
 				{
-					"begin": "(?<=[(=,])\\s*(async)?(?=\\s*(<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)\\(\\s*[\\{\\[]\\s*$)",
+					"begin": "(?<=[(=,])\\s*(async)?(?=\\s*((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*))?\\(\\s*[\\{\\[]\\s*$)",
 					"beginCaptures": {
 						"1": {
 							"name": "storage.modifier.async.ts"
@@ -2391,7 +2394,7 @@
 					]
 				},
 				{
-					"begin": "(?<=[(=,]|=>)\\s*(async)?(?=\\s*(<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)\\(\\s*$)",
+					"begin": "(?<=[(=,]|=>)\\s*(async)?(?=\\s*((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*))?\\(\\s*$)",
 					"beginCaptures": {
 						"1": {
 							"name": "storage.modifier.async.ts"
@@ -2404,50 +2407,6 @@
 						}
 					]
 				},
-				{
-					"begin": "(?<=[(=,])\\s*(async)?\\s*(\\()(?=\\s*[\\{\\[]\\s*$)",
-					"beginCaptures": {
-						"1": {
-							"name": "storage.modifier.async.ts"
-						},
-						"2": {
-							"name": "meta.brace.round.ts"
-						}
-					},
-					"end": "\\)",
-					"endCaptures": {
-						"0": {
-							"name": "meta.brace.round.ts"
-						}
-					},
-					"patterns": [
-						{
-							"include": "#expression-inside-possibly-arrow-parens"
-						}
-					]
-				},
-				{
-					"begin": "(?<=[(=,]|=>)\\s*(async)?\\s*(\\()(?=\\s*$)",
-					"beginCaptures": {
-						"1": {
-							"name": "storage.modifier.async.ts"
-						},
-						"2": {
-							"name": "meta.brace.round.ts"
-						}
-					},
-					"end": "\\)",
-					"endCaptures": {
-						"0": {
-							"name": "meta.brace.round.ts"
-						}
-					},
-					"patterns": [
-						{
-							"include": "#expression-inside-possibly-arrow-parens"
-						}
-					]
-				},
 				{
 					"include": "#possibly-arrow-return-type"
 				}
@@ -3479,12 +3438,41 @@
 			]
 		},
 		"type-conditional": {
-			"match": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(extends)\\s+",
-			"captures": {
-				"1": {
-					"name": "storage.modifier.ts"
+			"patterns": [
+				{
+					"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(extends)\\s+",
+					"beginCaptures": {
+						"1": {
+							"name": "storage.modifier.ts"
+						}
+					},
+					"end": "(?<=:)",
+					"patterns": [
+						{
+							"begin": "\\?",
+							"beginCaptures": {
+								"0": {
+									"name": "keyword.operator.ternary.ts"
+								}
+							},
+							"end": ":",
+							"endCaptures": {
+								"0": {
+									"name": "keyword.operator.ternary.ts"
+								}
+							},
+							"patterns": [
+								{
+									"include": "#type"
+								}
+							]
+						},
+						{
+							"include": "#type"
+						}
+					]
 				}
-			}
+			]
 		},
 		"type-paren-or-function-parameters": {
 			"name": "meta.type.paren.cover.ts",
@@ -3557,7 +3545,7 @@
 							"name": "storage.type.function.arrow.ts"
 						}
 					},
-					"end": "(?<!=>)(?<![|&])(?=[,\\]\\)\\{\\}=;>]|//|$)",
+					"end": "(?<!=>)(?<![|&])(?=[,\\]\\)\\{\\}=;>:\\?]|//|$)",
 					"patterns": [
 						{
 							"include": "#type-function-return-type-core"
@@ -3572,7 +3560,7 @@
 							"name": "storage.type.function.arrow.ts"
 						}
 					},
-					"end": "(?<!=>)(?<![|&])((?=[,\\]\\)\\{\\}=;>]|//|^\\s*$)|((?<=\\S)(?=\\s*$)))",
+					"end": "(?<!=>)(?<![|&])((?=[,\\]\\)\\{\\}=;:\\?>]|//|^\\s*$)|((?<=\\S)(?=\\s*$)))",
 					"patterns": [
 						{
 							"include": "#type-function-return-type-core"
diff --git a/extensions/typescript-basics/syntaxes/TypeScriptReact.tmLanguage.json b/extensions/typescript-basics/syntaxes/TypeScriptReact.tmLanguage.json
index fb007fbda4e..aa2bca04af0 100644
--- a/extensions/typescript-basics/syntaxes/TypeScriptReact.tmLanguage.json
+++ b/extensions/typescript-basics/syntaxes/TypeScriptReact.tmLanguage.json
@@ -4,7 +4,7 @@
 		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
 		"Once accepted there, we are happy to receive an update request."
 	],
-	"version": "https://github.com/Microsoft/TypeScript-TmLanguage/commit/2165b3e1139e13880d450ba1bae0801df32b1a01",
+	"version": "https://github.com/Microsoft/TypeScript-TmLanguage/commit/ef418e58492234f46409f0a69bdd546f6d100f59",
 	"name": "TypeScriptReact",
 	"scopeName": "source.tsx",
 	"patterns": [
@@ -558,7 +558,7 @@
 		"parameter-name": {
 			"patterns": [
 				{
-					"match": "\\s*\\b(public|protected|private|readonly)(?=\\s+(public|protected|private|readonly)\\s+)",
+					"match": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|protected|private|readonly)\\s+(?=(public|protected|private|readonly)\\s+)",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.tsx"
@@ -566,7 +566,7 @@
 					}
 				},
 				{
-					"match": "(?x)(?:\\s*\\b(public|private|protected|readonly)\\s+)?(\\.\\.\\.)?\\s*(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)(?=\\s*\n# function assignment |\n(=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)) |\n# typeannotation is fn type: < | () | (... | (param: | (param, | (param? | (param= | (param) =>\n(:\\s*(\n  (<) |\n  ([(]\\s*(\n    ([)]) |\n    (\\.\\.\\.) |\n    ([_$[:alnum:]]+\\s*(\n      ([:,?=])|\n      ([)]\\s*=>)\n    ))\n  ))\n)) |\n(:\\s*(=>|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(<[^<>]*>)|[^<>(),=])+=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)))",
+					"match": "(?x)(?:(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|private|protected|readonly)\\s+)?(?:(\\.\\.\\.)\\s*)?(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)(?=\\s*\n# function assignment |\n(=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)) |\n# typeannotation is fn type: < | () | (... | (param: | (param, | (param? | (param= | (param) =>\n(:\\s*(\n  (<) |\n  ([(]\\s*(\n    ([)]) |\n    (\\.\\.\\.) |\n    ([_$[:alnum:]]+\\s*(\n      ([:,?=])|\n      ([)]\\s*=>)\n    ))\n  ))\n)) |\n(:\\s*(=>|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(<[^<>]*>)|[^<>(),=])+=\\s*(\n  ((async\\s+)?(\n    (function\\s*[(<*]) |\n    (function\\s+) |\n    ([_$[:alpha:]][_$[:alnum:]]*\\s*=>)\n  )) |\n  ((async\\s*)?(\n    ([\\(]\\s*([\\{\\[]\\s*)?$) |\n    # sure shot arrow functions even if => is on new line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?\n  [(]\\s*\n  (\n    ([)]\\s*:) |                                                                                       # ():\n    ((\\.\\.\\.\\s*)?[_$[:alpha:]][_$[:alnum:]]*\\s*:)                                                                  # [(]param: | [(]...param:\n  )\n) |\n(\n  [<]\\s*[_$[:alpha:]][_$[:alnum:]]*\\s+extends\\s*[^=>]                                                              # < typeparam extends\n) |\n# arrow function possible to detect only with => on same line\n(\n  (<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)?                                                                                 # typeparameters\n  \\(\\s*(([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^()]|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\)))*)?\\)   # parameters\n  (\\s*:\\s*([^<>\\(\\)]|\\<[^<>]+\\>|\\([^\\(\\)]+\\))+)?                                                                        # return type\n  \\s*=>                                                                                               # arrow operator\n)\n  ))\n)))",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.tsx"
@@ -586,7 +586,7 @@
 					}
 				},
 				{
-					"match": "(?x)(?:\\s*\\b(public|private|protected|readonly)\\s+)?(\\.\\.\\.)?\\s*(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)",
+					"match": "(?x)(?:(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(public|private|protected|readonly)\\s+)?(?:(\\.\\.\\.)\\s*)?(?<!=|:)(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(?:(this)|([_$[:alpha:]][_$[:alnum:]]*))(?![_$[:alnum:]])(?:(?=\\.\\.\\.)|(?!\\.))\\s*(\\??)",
 					"captures": {
 						"1": {
 							"name": "storage.modifier.tsx"
@@ -1288,7 +1288,7 @@
 		},
 		"class-expression": {
 			"name": "meta.class.tsx",
-			"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(class)\\b(?=\\s+|[<{]|/[/*])",
+			"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(class)\\b(?=\\s+|[<{]|\\/[\\/*])",
 			"beginCaptures": {
 				"1": {
 					"name": "storage.type.class.tsx"
@@ -1622,15 +1622,18 @@
 					"include": "#type-parameters"
 				},
 				{
-					"include": "#type"
-				},
-				{
-					"match": "(=)\\s*",
-					"captures": {
+					"begin": "(=)\\s*",
+					"beginCaptures": {
 						"1": {
 							"name": "keyword.operator.assignment.tsx"
 						}
-					}
+					},
+					"end": "(?=\\}|;|\\babstract\\b|\\basync\\b|\\bclass\\b|\\bconst\\b|\\bdeclare\\b|\\benum\\b|\\bexport\\b|\\bfunction\\b|\\bimport\\b|\\binterface\\b|\\blet\\b|\\bmodule\\b|\\bnamespace\\b|\\breturn\\b|\\btype\\b|\\bvar\\b)",
+					"patterns": [
+						{
+							"include": "#type"
+						}
+					]
 				}
 			]
 		},
@@ -2059,7 +2062,7 @@
 		},
 		"after-operator-block-as-object-literal": {
 			"name": "meta.objectliteral.tsx",
-			"begin": "(?<!\\+\\+|--)(?<=[:=(,\\[?+!]|^await|[^\\._$[:alnum:]]await|^return|[^\\._$[:alnum:]]return|^yield|[^\\._$[:alnum:]]yield|^throw|[^\\._$[:alnum:]]throw|^in|[^\\._$[:alnum:]]in|^of|[^\\._$[:alnum:]]of|^typeof|[^\\._$[:alnum:]]typeof|&&|\\|\\||\\*)\\s*(\\{)",
+			"begin": "(?<!\\+\\+|--)(?<=[:=(,\\[?+!>]|^await|[^\\._$[:alnum:]]await|^return|[^\\._$[:alnum:]]return|^yield|[^\\._$[:alnum:]]yield|^throw|[^\\._$[:alnum:]]throw|^in|[^\\._$[:alnum:]]in|^of|[^\\._$[:alnum:]]of|^typeof|[^\\._$[:alnum:]]typeof|&&|\\|\\||\\*)\\s*(\\{)",
 			"beginCaptures": {
 				"1": {
 					"name": "punctuation.definition.block.tsx"
@@ -2380,7 +2383,7 @@
 		"paren-expression-possibly-arrow": {
 			"patterns": [
 				{
-					"begin": "(?<=[(=,])\\s*(async)?(?=\\s*(<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)\\(\\s*[\\{\\[]\\s*$)",
+					"begin": "(?<=[(=,])\\s*(async)?(?=\\s*((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*))?\\(\\s*[\\{\\[]\\s*$)",
 					"beginCaptures": {
 						"1": {
 							"name": "storage.modifier.async.tsx"
@@ -2394,7 +2397,7 @@
 					]
 				},
 				{
-					"begin": "(?<=[(=,]|=>)\\s*(async)?(?=\\s*(<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*)\\(\\s*$)",
+					"begin": "(?<=[(=,]|=>)\\s*(async)?(?=\\s*((<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<]|\\<\\s*([_$[:alpha:]]|(\\{([^\\{\\}]|(\\{[^\\{\\}]*\\}))*\\})|(\\(([^\\(\\)]|(\\([^\\(\\)]*\\)))*\\))|(\\[([^\\[\\]]|(\\[[^\\[\\]]*\\]))*\\]))([^=<>]|=[^<])*\\>)*>\\s*))?\\(\\s*$)",
 					"beginCaptures": {
 						"1": {
 							"name": "storage.modifier.async.tsx"
@@ -2407,50 +2410,6 @@
 						}
 					]
 				},
-				{
-					"begin": "(?<=[(=,])\\s*(async)?\\s*(\\()(?=\\s*[\\{\\[]\\s*$)",
-					"beginCaptures": {
-						"1": {
-							"name": "storage.modifier.async.tsx"
-						},
-						"2": {
-							"name": "meta.brace.round.tsx"
-						}
-					},
-					"end": "\\)",
-					"endCaptures": {
-						"0": {
-							"name": "meta.brace.round.tsx"
-						}
-					},
-					"patterns": [
-						{
-							"include": "#expression-inside-possibly-arrow-parens"
-						}
-					]
-				},
-				{
-					"begin": "(?<=[(=,]|=>)\\s*(async)?\\s*(\\()(?=\\s*$)",
-					"beginCaptures": {
-						"1": {
-							"name": "storage.modifier.async.tsx"
-						},
-						"2": {
-							"name": "meta.brace.round.tsx"
-						}
-					},
-					"end": "\\)",
-					"endCaptures": {
-						"0": {
-							"name": "meta.brace.round.tsx"
-						}
-					},
-					"patterns": [
-						{
-							"include": "#expression-inside-possibly-arrow-parens"
-						}
-					]
-				},
 				{
 					"include": "#possibly-arrow-return-type"
 				}
@@ -3445,12 +3404,41 @@
 			]
 		},
 		"type-conditional": {
-			"match": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(extends)\\s+",
-			"captures": {
-				"1": {
-					"name": "storage.modifier.tsx"
+			"patterns": [
+				{
+					"begin": "(?<![_$[:alnum:]])(?:(?<=\\.\\.\\.)|(?<!\\.))(extends)\\s+",
+					"beginCaptures": {
+						"1": {
+							"name": "storage.modifier.tsx"
+						}
+					},
+					"end": "(?<=:)",
+					"patterns": [
+						{
+							"begin": "\\?",
+							"beginCaptures": {
+								"0": {
+									"name": "keyword.operator.ternary.tsx"
+								}
+							},
+							"end": ":",
+							"endCaptures": {
+								"0": {
+									"name": "keyword.operator.ternary.tsx"
+								}
+							},
+							"patterns": [
+								{
+									"include": "#type"
+								}
+							]
+						},
+						{
+							"include": "#type"
+						}
+					]
 				}
-			}
+			]
 		},
 		"type-paren-or-function-parameters": {
 			"name": "meta.type.paren.cover.tsx",
@@ -3523,7 +3511,7 @@
 							"name": "storage.type.function.arrow.tsx"
 						}
 					},
-					"end": "(?<!=>)(?<![|&])(?=[,\\]\\)\\{\\}=;>]|//|$)",
+					"end": "(?<!=>)(?<![|&])(?=[,\\]\\)\\{\\}=;>:\\?]|//|$)",
 					"patterns": [
 						{
 							"include": "#type-function-return-type-core"
@@ -3538,7 +3526,7 @@
 							"name": "storage.type.function.arrow.tsx"
 						}
 					},
-					"end": "(?<!=>)(?<![|&])((?=[,\\]\\)\\{\\}=;>]|//|^\\s*$)|((?<=\\S)(?=\\s*$)))",
+					"end": "(?<!=>)(?<![|&])((?=[,\\]\\)\\{\\}=;:\\?>]|//|^\\s*$)|((?<=\\S)(?=\\s*$)))",
 					"patterns": [
 						{
 							"include": "#type-function-return-type-core"