diff --git a/JavaScript/JSX.sublime-syntax b/JavaScript/JSX.sublime-syntax
new file mode 100644
index 0000000000..617696d638
--- /dev/null
+++ b/JavaScript/JSX.sublime-syntax
@@ -0,0 +1,154 @@
+%YAML 1.2
+---
+name: JSX
+file_extensions:
+  - jsx
+scope: source.jsx
+extends: Packages/JavaScript/JavaScript.sublime-syntax
+
+variables:
+  jsx_identifier_part: (?:{{identifier_part}}|-)
+  jsx_identifier_break: (?!{{jsx_identifier_part}})
+  jsx_identifier: '{{identifier_start}}{{jsx_identifier_part}}*{{jsx_identifier_break}}'
+
+contexts:
+  expression-begin:
+    - meta_prepend: true
+    - include: jsx-tag
+
+  jsx-interpolation:
+    - match: '{'
+      scope: punctuation.definition.interpolation.begin.js
+      push:
+        - - meta_scope: meta.interpolation.js
+          - meta_content_scope: source.js.embedded.jsx
+          - match: '}'
+            scope: punctuation.definition.interpolation.end.js
+            pop: true
+        - expression
+
+  jsx-expect-tag-end:
+    - meta_content_scope: meta.tag.js
+    - match: '>'
+      scope: meta.tag.js punctuation.definition.tag.end.js
+      pop: true
+    - include: else-pop
+
+  jsx-meta:
+    - meta_scope: meta.jsx.js
+    - include: immediately-pop
+
+  jsx-tag:
+    - match: '<'
+      scope: punctuation.definition.tag.begin.js
+      set:
+        - jsx-meta
+        - jsx-tag-attributes-top
+
+  jsx-tag-attributes-top:
+    - meta_scope: meta.tag.js
+    - match: '/'
+      scope: punctuation.definition.tag.begin.js
+      set:
+        - - meta_scope: invalid.illegal.unmatched-tag.js
+          - include: immediately-pop
+        - jsx-expect-tag-end
+        - jsx-tag-name
+
+    - match: (?=\S)
+      set:
+        - jsx-tag-attributes
+        - jsx-tag-name
+
+  jsx-tag-attributes:
+    - meta_content_scope: meta.tag.js
+
+    - match: '>'
+      scope: punctuation.definition.tag.end.js
+      set: jsx-body
+
+    - match: '/'
+      scope: punctuation.definition.tag.end.js
+      set: jsx-expect-tag-end
+
+    - include: jsx-interpolation
+
+    - match: '{{jsx_identifier}}'
+      scope: entity.other.attribute-name.js
+
+    - match: '='
+      scope: punctuation.separator.key-value.js
+      push: jsx-attribute-value
+
+  jsx-attribute-value:
+    - include: jsx-tag
+    - include: jsx-interpolation
+
+    - match: "'"
+      scope: punctuation.definition.string.begin.js
+      set:
+        - meta_include_prototype: false
+        - meta_scope: string.quoted.single.js
+        - match: \'
+          scope: punctuation.definition.string.end.js
+          pop: true
+        - include: jsx-html-escapes
+    - match: '"'
+      scope: punctuation.definition.string.begin.js
+      set:
+        - meta_include_prototype: false
+        - meta_scope: string.quoted.double.js
+        - match: \"
+          scope: punctuation.definition.string.end.js
+          pop: true
+        - include: jsx-html-escapes
+
+    - include: else-pop
+
+  jsx-html-escapes:
+    - match: '(&)#?[[:alnum:]]+(;)'
+      scope: constant.character.escape.js
+      captures:
+        1: punctuation.definition.entity.js
+        2: punctuation.definition.entity.js
+
+  jsx-tag-name:
+    - match: ''
+      set:
+        - - clear_scopes: 1
+          - meta_scope: meta.tag.name.js
+          - include: immediately-pop
+        - jsx-tag-name-component
+
+  jsx-tag-name-component:
+    - match: '{{jsx_identifier}}'
+      scope: entity.name.tag.js
+      set:
+        - match: '[:.]'
+          scope: punctuation.accessor.js
+          set: jsx-tag-name
+        - include: else-pop
+    - include: else-pop
+
+  jsx-body:
+    - meta_include_prototype: false
+
+    - match: '<'
+      scope: punctuation.definition.tag.begin.js
+      set:
+        - meta_scope: meta.tag.js
+
+        - match: '/'
+          scope: punctuation.definition.tag.begin.js
+          set:
+            - jsx-expect-tag-end
+            - jsx-tag-name
+
+        - match: (?=\S)
+          set:
+            - jsx-body
+            - jsx-tag-attributes
+            - jsx-tag-name
+
+    - include: jsx-html-escapes
+    - include: jsx-interpolation
diff --git a/JavaScript/TypeScript.sublime-syntax b/JavaScript/TypeScript.sublime-syntax
new file mode 100644
index 0000000000..fa0e4574d1
--- /dev/null
+++ b/JavaScript/TypeScript.sublime-syntax
@@ -0,0 +1,706 @@
+%YAML 1.2
+---
+name: TypeScript
+file_extensions:
+  - ts
+scope: source.ts
+extends: Packages/JavaScript/JSX.sublime-syntax
+
+variables:
+  dot_accessor: |-
+    (?x: # Also match !.
+      !\.
+      |
+      (?:
+        \.
+        (?! \? [\[(] )
+        \??
+      )
+    )
+
+contexts:
+  ts-import-type:
+    - match: type{{identifier_break}}
+      scope: keyword.control.import-export.js
+    - include: else-pop
+
+  import-export:
+    - match: import{{identifier_break}}(?!{{nothing}}[.(])
+      scope: keyword.control.import-export.js
+      set:
+        - meta_scope: meta.import.js
+        - match: (?=[.(]) # Recovery for import expressions
+          set:
+            - expression-statement-end
+            - import-expression-end
+        - match: (?=\S)
+          set:
+            - import-meta
+            - expect-semicolon
+            - import-string-or-items
+            - ts-import-type
+
+    - match: export{{identifier_break}}
+      scope: keyword.control.import-export.js
+      set:
+        - export-meta
+        - export-extended
+
+  export-extended:
+    - meta_prepend: true
+    - include: ts-type-declaration
+    - include: ts-interface-declaration
+    - include: ts-namespace-declaration
+
+  property-access:
+    - meta_prepend: true
+    - match: \!\.
+      scope: punctuation.accessor.js
+      push:
+        - match: '(?={{identifier}}\s*(?:\.\?)?\()'
+          set:
+            - call-method-meta
+            - function-call-arguments
+            - call-path
+            - object-property
+        - include: object-property
+
+  ts-type-declaration:
+    - match: type{{identifier_break}}
+      scope: storage.type.js
+      set:
+        - ts-type-alias-meta
+        - ts-type-alias-body
+        - ts-type-parameter-list
+        - ts-type-alias-name
+
+  statement:
+    - meta_prepend: true
+    - include: ts-enum
+    - include: ts-type-declaration
+    - include: ts-interface-declaration
+    - include: ts-namespace-declaration
+
+    - match: const{{identifier_break}}
+      scope: storage.type.js
+      set:
+        - include: ts-enum
+        - match: (?=\S)
+          set:
+            - expect-semicolon
+            - variable-binding-list-top
+            - variable-binding-top
+
+    - match: declare{{identifier_break}}
+      scope: storage.type.js
+      set:
+        - include: ts-enum
+        - include: else-pop
+
+    - match: abstract{{identifier_break}}
+      scope: storage.modifier.js
+      set:
+        - include: class
+        - include: else-pop
+
+  class:
+    - match: class{{identifier_break}}
+      scope: storage.type.class.js
+      set:
+        - class-meta
+        - class-body
+        - ts-class-implements
+        - class-extends
+        - class-name
+
+  ts-class-implements:
+    - match: implements{{identifier_break}}
+      scope: storage.modifier.implements.js
+      set:
+        - - match: \,
+            scope: punctuation.separator.comma.js
+            push:
+              - inherited-class-expression-end
+              - inherited-class-expression-begin
+          - include: else-pop
+        - inherited-class-expression-end
+        - inherited-class-expression-begin
+    - include: else-pop
+
+  inherited-class-expression-end:
+    - meta_prepend: true
+    - include: ts-generic-type-arguments
+
+  class-name:
+    - match: '{{non_reserved_identifier}}'
+      scope: entity.name.class.js
+      set: ts-type-parameter-list
+    - include: else-pop
+
+  ts-interface-declaration:
+    - match: interface{{identifier_break}}
+      scope: storage.type.js
+      set:
+        - ts-interface-meta
+        - ts-type-body
+        - ts-type-parameter-list
+        - ts-interface-name
+
+  ts-interface-meta:
+    - meta_include_prototype: false
+    - meta_scope: meta.interface.js
+    - include: immediately-pop
+
+  ts-interface-name:
+    - match: '{{identifier}}'
+      scope: entity.name.interface.js
+      pop: true
+    - include: else-pop
+
+  ts-type-body:
+    - match: \{
+      scope: punctuation.section.block.begin.js
+      set:
+        - meta_scope: meta.block.js
+        - match: \}
+          scope: punctuation.section.block.end.js
+          pop: true
+        - match: '[,;]'
+          scope: punctuation.separator.js
+        - include: ts-type-member
+
+  ts-type-member:
+    - match: '\+|-'
+      scope: storage.modifier.js
+
+    - match: readonly{{identifier_break}}
+      scope: storage.modifier.js
+
+    - match: (?=[<(])
+      push:
+        - ts-type-annotation
+        - function-declaration-expect-parameters
+        - ts-type-parameter-list
+
+    - match: \[
+      scope: punctuation.section.brackets.begin.js
+      push:
+        - - include: immediately-pop
+        -  ts-type-annotation
+        -  ts-type-annotation-optional
+        - - match: '\+|-'
+            scope: storage.modifier.js
+            pop: true
+          - include: else-pop
+        - - meta_scope: meta.brackets.js
+          - match: \]
+            scope: punctuation.section.brackets.end.js
+            pop: true
+          - match: '{{identifier}}'
+            scope: variable.other.readwrite.js
+            push:
+              - match: in{{identifier_break}}
+                scope: keyword.operator.type.js
+                set:
+                  - ts-type-expression-end
+                  - ts-type-expression-end-no-line-terminator
+                  - ts-type-expression-begin
+              - include: ts-type-annotation
+
+    - match: new{{identifier_break}}
+      scope: keyword.operator.new.js
+      push:
+        - ts-type-annotation
+        - function-declaration-expect-parameters
+        - ts-type-parameter-list
+
+    - match: '{{identifier}}'
+      scope: variable.other.readwrite.js
+      push:
+        - - match: (?=[<(])
+            set:
+              - ts-type-annotation
+              - function-declaration-expect-parameters
+              - ts-type-parameter-list
+          - match: (?=\S)
+            set: ts-type-annotation
+        - ts-type-annotation-optional
+
+  ts-enum:
+    - match: enum{{identifier_break}}
+      scope: storage.type.js
+      set:
+        - ts-enum-meta
+        - ts-enum-body
+        - ts-enum-name
+
+  ts-enum-meta:
+    - meta_include_prototype: false
+    - meta_scope: meta.enum.js
+    - include: immediately-pop
+
+  ts-enum-name:
+    - match: '{{identifier}}'
+      scope: entity.name.enum.js
+      pop: true
+    - include: else-pop
+
+  ts-enum-body:
+    - match: \{
+      scope: punctuation.section.block.begin.js
+      set:
+        - meta_scope: meta.block.js
+        - match: \}
+          scope: punctuation.section.block.end.js
+          pop: true
+        - include: comma-separator
+        - match: (?=['"])
+          push: literal-string
+        - match: '{{identifier}}'
+          scope: variable.other.readwrite.js
+          push: initializer
+
+  ts-type-alias-meta:
+    - meta_include_prototype: false
+    - meta_scope: meta.type-alias.js
+    - include: immediately-pop
+
+  ts-type-alias-name:
+    - match: '{{identifier}}'
+      scope: entity.name.type.js
+      pop: true
+    - include: else-pop
+
+  ts-type-alias-body:
+    - match: '='
+      scope: keyword.operator.assignment.js
+      set:
+        - ts-type-expression-end
+        - ts-type-expression-end-no-line-terminator
+        - ts-type-expression-begin
+    - include: else-pop
+
+  ts-namespace-declaration:
+    - match: namespace{{identifier_break}}
+      scope: storage.type.js
+      set:
+        - ts-namespace-meta
+        - block
+        - ts-namespace-name
+
+  ts-namespace-meta:
+    - meta_include_prototype: false
+    - meta_scope: meta.namespace.js
+    - include: immediately-pop
+
+  ts-namespace-name:
+    - match: '{{identifier}}'
+      scope: entity.name.namespace.js
+      pop: true
+    - include: else-pop
+
+  variable-binding-pattern:
+    - match: ''
+      set:
+        - - include: immediately-pop
+        - ts-type-annotation
+        - ts-type-annotation-definite
+        - - include: variable-binding-name
+          - include: variable-binding-array-destructuring
+          - include: variable-binding-object-destructuring
+          - include: else-pop
+
+  function-declaration:
+    - meta_include_prototype: false
+    - match: ''
+      set:
+        - function-meta
+        - function-declaration-expect-body
+        - function-declaration-meta
+        - ts-type-annotation
+        - function-declaration-expect-parameters
+        - ts-type-parameter-list
+        - function-declaration-expect-name
+        - function-declaration-expect-generator-star
+        - function-declaration-expect-function-keyword
+        - function-declaration-expect-async
+
+  ts-type-parameter-list:
+    - match: \<
+      scope: punctuation.definition.generic.begin.js
+      set:
+        - meta_scope: meta.generic.js
+        - match: \>
+          scope: punctuation.definition.generic.end.js
+          pop: true
+        - match: '{{identifier}}'
+          scope: variable.parameter.generic.js
+          push:
+            - ts-type-parameter-default
+            - ts-type-parameter-constraint
+        - include: comma-separator
+    - include: else-pop
+
+  ts-type-parameter-constraint:
+    - match: extends{{identifier_break}}
+      scope: storage.modifier.extends.js
+      push:
+        - ts-type-expression-end
+        - ts-type-expression-end-no-line-terminator
+        - ts-type-expression-begin
+    - include: else-pop
+
+  ts-type-parameter-default:
+    - match: '='
+      scope: keyword.operator.assignment.js
+      set:
+        - ts-type-expression-end
+        - ts-type-expression-end-no-line-terminator
+        - ts-type-expression-begin
+    - include: else-pop
+
+  function-parameter-binding-pattern:
+    - match: ''
+      set:
+        - - include: ts-type-annotation
+        - - include: ts-type-annotation-optional
+        - - include: function-parameter-binding-name
+          - include: function-parameter-binding-array-destructuring
+          - include: function-parameter-binding-object-destructuring
+          - include: else-pop
+
+  function-parameter-binding-list:
+    - meta_prepend: true
+    - match: (?:private|public|protected|readonly){{identifier_break}}
+      scope: storage.modifier.js
+
+    - match: this{{identifier_break}}
+      scope: variable.language.this.js
+      push: ts-type-annotation
+
+  class-body-contents:
+    - meta_prepend: true
+    - match: (?:private|public|protected|readonly|abstract|declare){{identifier_break}}
+      scope: storage.modifier.js
+
+  field-initializer-or-method-declaration:
+    - match: (?=\(|<)
+      set:
+        - function-meta
+        - function-declaration-expect-body
+        - function-declaration-meta
+        - ts-type-annotation
+        - function-declaration-expect-parameters
+        - ts-type-parameter-list
+    - match: (?=\S)
+      set:
+        - class-field-rest
+        - initializer
+        - ts-type-annotation
+        - ts-type-annotation-optional
+
+  method-declaration:
+    - meta_include_prototype: false
+    - match: ''
+      set:
+        - function-meta
+        - function-declaration-expect-body
+        - function-declaration-meta
+        - ts-type-annotation
+        - function-declaration-expect-parameters
+        - ts-type-parameter-list
+        - method-name
+        - method-declaration-expect-prefix
+        - function-declaration-expect-async
+
+  expression-end:
+    - meta_prepend: true
+    - include: ts-type-assertion
+
+  expression-begin:
+    - meta_prepend: true
+    - match: \<
+      scope: punctuation.definition.assertion.begin.js
+      set:
+        - - meta_scope: meta.assertion.js
+          - match: \>
+            scope: punctuation.definition.assertion.end.js
+            pop: true
+          - include: else-pop
+        - ts-type-expression-end
+        - ts-type-expression-end-no-line-terminator
+        - ts-type-expression-begin
+    - match: (?=\b\B)
+
+  ts-type-assertion:
+    - match: '!(?!\.)'
+      scope: keyword.operator.type.js
+
+    - match: as{{identifier_break}}
+      scope: keyword.operator.type.js
+      push:
+        - match: const{{identifier_break}}
+          scope: storage.modifier.const.js
+          pop: true
+        - match: (?=\S)
+          set:
+            - ts-type-meta
+            - ts-type-expression-end
+            - ts-type-expression-end-no-line-terminator
+            - ts-type-expression-begin
+
+  ts-type-annotation:
+    - match: ':'
+      scope: punctuation.separator.type.js
+      set:
+        - ts-type-meta
+        - ts-type-expression-end
+        - ts-type-expression-end-no-line-terminator
+        - ts-type-expression-begin
+    - include: else-pop
+
+  ts-type-annotation-optional:
+    - match: \?
+      scope: storage.modifier.optional.js
+      pop: true
+    - include: else-pop
+
+  ts-type-annotation-definite:
+    - match: \!
+      scope: storage.modifier.definite.js
+      pop: true
+    - include: else-pop
+
+  ts-type-meta:
+    - meta_include_prototype: false
+    - meta_content_scope: meta.type.js
+    - include: immediately-pop
+
+  ts-type-expression-end:
+    - match: \&
+      scope: keyword.operator.type.intersection.js
+      push: [ts-type-expression-end-no-line-terminator, ts-type-expression-begin]
+    - match: \|
+      scope: keyword.operator.type.union.js
+      push: [ts-type-expression-end-no-line-terminator, ts-type-expression-begin]
+    - match: is{{identifier_break}}
+      scope: keyword.operator.word.js
+      push: [ts-type-expression-end-no-line-terminator, ts-type-expression-begin]
+    - match: \.
+      scope: punctuation.separator.accessor.js
+      push:
+      - match: '{{identifier}}'
+        scope: support.class.js
+        pop: true
+
+    - match: extends{{identifier_break}}
+      scope: keyword.operator.type.extends.js
+      push:
+        - - match: \?
+            scope: keyword.operator.type.js
+            set:
+              - - match: ':'
+                  scope: keyword.operator.type.js
+                  set:
+                    - ts-type-expression-end
+                    - ts-type-expression-end-no-line-terminator
+                    - ts-type-expression-begin
+                - include: else-pop
+              - ts-type-expression-end
+              - ts-type-expression-end-no-line-terminator
+              - ts-type-expression-begin
+          - include: else-pop
+        - ts-type-expression-end
+        - ts-type-expression-end-no-line-terminator
+        - ts-type-expression-begin
+
+    - include: else-pop
+
+  ts-type-expression-end-no-line-terminator:
+    - meta_include_prototype: false
+    - match: '{{line_ending_ahead}}'
+      pop: true
+    - include: prototype
+
+    - match: \[(?={{nothing}}\])
+      scope: storage.modifier.array.js
+      push:
+        - match: \]
+          scope: storage.modifier.array.js
+          pop: true
+        - include: else-pop
+
+    - match: \[
+      scope: punctuation.section.brackets.begin.js
+      push:
+        - meta_scope: meta.brackets.js
+        - match: \]
+          scope: punctuation.section.brackets.end.js
+          pop: true
+        - match: (?=\S)
+          push:
+            - ts-type-expression-end
+            - ts-type-expression-end-no-line-terminator
+            - ts-type-expression-begin
+
+    - include: ts-generic-type-arguments
+
+    - include: else-pop
+
+  ts-generic-type-arguments:
+    - match: \<
+      scope: punctuation.definition.generic.begin.js
+      set:
+        - meta_scope: meta.generic.js
+        - match: \>
+          scope: punctuation.definition.generic.end.js
+          pop: true
+        - include: comma-separator
+        - match: (?=\S)
+          push:
+            - ts-type-expression-end
+            - ts-type-expression-end-no-line-terminator
+            - ts-type-expression-begin
+
+  ts-type-expression-begin:
+    - match: keyof{{identifier_break}}
+      scope: keyword.operator.type.js
+    - match: typeof{{identifier_break}}
+      scope: keyword.operator.type.js
+    - match: infer{{identifier_break}}
+      scope: keyword.operator.type.js
+
+    - match: unique{{identifier_break}}
+      scope: storage.modifier.unique.js
+    - match: readonly{{identifier_break}}
+      scope: storage.modifier.readonly.js
+    - match: asserts{{identifier_break}}
+      scope: storage.modifier.asserts.js
+
+    - match: import{{identifier_break}}
+      scope: keyword.operator.type.js
+      set:
+        - match: \(
+          scope: punctuation.section.group.begin.js
+          set:
+            - meta_scope: meta.group.js
+            - match: \)
+              scope: punctuation.section.group.end.js
+              pop: true
+            - match: (?=['"])
+              push: literal-string
+        - include: else-pop
+
+    - include: ts-type-tuple
+    - include: ts-type-body
+    - include: ts-type-special
+    - include: ts-type-primitive
+    - include: ts-type-basic
+    - include: ts-type-function
+
+    - include: literal-string
+    - include: literal-number
+
+    - include: else-pop
+
+  ts-type-tuple:
+    - match: \[
+      scope: punctuation.section.brackets.begin.js
+      set:
+        - meta_scope: meta.sequence.js
+        - match: \]
+          scope: punctuation.section.brackets.end.js
+          pop: true
+        - include: comma-separator
+        - match: \.\.\.
+          scope: keyword.operator.spread.js
+        - match: (?=\S)
+          push:
+            - ts-type-annotation-optional
+            - ts-type-expression-end
+            - ts-type-expression-end-no-line-terminator
+            - ts-type-expression-begin
+
+  ts-type-object:
+    - match: \{
+      scope: punctuation.section.braces.begin.js
+      set:
+        - meta_scope: meta.mapping.js
+        - match: \}
+          scope: punctuation.section.braces.end.js
+          pop: true
+        - include: comma-separator
+        - match: ;
+          scope: punctuation.separator.semicolon.js
+        - match: '{{identifier}}'
+          scope: variable.other.readwrite.js
+          push:
+            - ts-type-annotation
+            - ts-type-annotation-optional
+
+  ts-type-special:
+    - match: 'any{{identifier_break}}'
+      scope: 'support.type.any.js'
+      pop: true
+    - match: 'void{{identifier_break}}'
+      scope: 'support.type.void.js'
+      pop: true
+    - match: 'never{{identifier_break}}'
+      scope: 'support.type.never.js'
+      pop: true
+    - match: 'unknown{{identifier_break}}'
+      scope: 'support.type.unknown.js'
+      pop: true
+
+  ts-type-primitive:
+    - match: 'boolean{{identifier_break}}'
+      scope: 'support.type.primitive.boolean.js'
+      pop: true
+    - match: 'number{{identifier_break}}'
+      scope: 'support.type.primitive.number.js'
+      pop: true
+    - match: 'string{{identifier_break}}'
+      scope: 'support.type.primitive.string.js'
+      pop: true
+    - match: 'null{{identifier_break}}'
+      scope: 'support.type.primitive.null.js'
+      pop: true
+    - match: 'undefined{{identifier_break}}'
+      scope: 'support.type.primitive.undefined.js'
+      pop: true
+    - match: 'object{{identifier_break}}'
+      scope: 'support.type.primitive.object.js'
+      pop: true
+    - match: 'symbol{{identifier_break}}'
+      scope: 'support.type.primitive.symbol.js'
+      pop: true
+    - match: 'bigint{{identifier_break}}'
+      scope: 'support.type.primitive.bigint.js'
+      pop: true
+
+  ts-type-basic:
+    - match: '{{identifier}}'
+      scope: support.class.js
+      pop: true
+
+  ts-type-function:
+    - match: \(
+      scope: punctuation.section.group.begin.js
+      set:
+        - meta_scope: meta.group.js
+        - match: \)
+          scope: punctuation.section.group.end.js
+          set:
+            - match: =>
+              scope: storage.type.function.js
+              set:
+                - ts-type-expression-end
+                - ts-type-expression-end-no-line-terminator
+                - ts-type-expression-begin
+            - include: else-pop
+        - include: comma-separator
+        - match: '{{identifier}}'
+          scope: variable.other.readwrite.js
+          push:
+            - ts-type-annotation
+            - ts-type-annotation-optional
diff --git a/JavaScript/tests/syntax_test_jsx.jsx b/JavaScript/tests/syntax_test_jsx.jsx
new file mode 100644
index 0000000000..612a726f01
--- /dev/null
+++ b/JavaScript/tests/syntax_test_jsx.jsx
@@ -0,0 +1,184 @@
+// SYNTAX TEST "Packages/JavaScript/JSX.sublime-syntax"
+
+    <foo />;
+//  ^^^^^^^ meta.jsx meta.tag
+//  ^ punctuation.definition.tag.begin
+//   ^^^ meta.tag.name entity.name.tag
+//       ^^ punctuation.definition.tag.end
+
+    <foo>Hello!</foo>;
+//  ^^^^^^^^^^^^^^^^^ meta.jsx
+//  ^^^^^ meta.tag
+//  ^ punctuation.definition.tag.begin
+//   ^^^ meta.tag.name entity.name.tag
+//      ^ punctuation.definition.tag.end
+//       ^^^^^^ - meta.tag
+//             ^^^^^^ meta.tag
+//             ^^ punctuation.definition.tag.begin
+//               ^^^ meta.tag.name entity.name.tag
+//                  ^ punctuation.definition.tag.end
+
+    <foo.bar.baz>Hello!</foo.bar.baz>;
+//  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.jsx
+//  ^^^^^^^^^^^^^ meta.tag
+//   ^^^^^^^^^^^ meta.tag.name
+//      ^ punctuation.accessor
+//          ^ punctuation.accessor
+//           ^^^ entity.name.tag
+//               ^^^^^^ - meta.tag
+//                     ^^^^^^^^^^^^^^ meta.tag
+//                       ^^^^^^^^^^^ meta.tag.name
+//                          ^ punctuation.accessor
+//                              ^ punctuation.accessor
+//                               ^^^ entity.name.tag
+
+    <foo>Hello!<bar/>World!</foo>;
+//  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.jsx
+//  ^^^^^ meta.tag
+//       ^^^^^^ - meta.tag
+//             ^^^^^^ meta.tag
+//                   ^^^^^^ - meta.tag
+//                         ^^^^^^ meta.tag
+
+    <foo></foo><bar>
+//  ^^^^^^^^^^^ meta.jsx
+//             ^^^^^ - meta.jsx
+//             ^ keyword.operator.relational
+//              ^^^ variable
+//                 ^ keyword.operator.relational
+0;
+
+    <>Hello!</>;
+//  ^^^^^^^^^^^ meta.jsx
+//  ^^ meta.tag
+//  ^ punctuation.definition.tag.begin
+//   ^ punctuation.definition.tag.end
+//    ^^^^^^ - meta.tag
+//          ^^^ meta.tag
+//          ^^ punctuation.definition.tag.begin
+//            ^ punctuation.definition.tag.end
+
+    <foo></foo>
+    <bar>
+//  ^^^^^ - meta.jsx
+//  ^ keyword.operator.relational
+//   ^^^ variable
+//      ^ keyword.operator.relational
+0;
+
+    </foo>;
+//   ^^^^ invalid.illegal.unmatched-tag
+
+<foo
+    bar
+//  ^^^ meta.jsx meta.tag entity.other.attribute-name
+
+    =
+//  ^ punctuation.separator.key-value
+
+    'test'
+//  ^^^^^^ string.quoted.single
+
+    baz='test'
+//  ^^^^^^^^^^ meta.jsx meta.tag
+//  ^^^ entity.other.attribute-name
+//     ^ punctuation.separator.key-value
+//      ^^^^^^ string.quoted.single
+//      ^ punctuation.definition.string.begin
+//           ^ punctuation.definition.string.end
+
+    baz="test"
+//  ^^^^^^^^^^ meta.jsx meta.tag
+//  ^^^ entity.other.attribute-name
+//     ^ punctuation.separator.key-value
+//      ^^^^^^ string.quoted.double
+//      ^ punctuation.definition.string.begin
+//           ^ punctuation.definition.string.end
+
+    baz="\n"
+//      ^^^^ string.quoted.double - constant.character.escape
+
+    baz="&nbsp;&nbsp"
+//       ^^^^^^ constant.character.escape
+//       ^ punctuation.definition.entity
+//            ^ punctuation.definition.entity
+//             ^^^^^ - constant.character.escape
+
+    baz={xyzzy}
+//      ^^^^^^^ meta.interpolation
+//      ^ punctuation.definition.interpolation.begin
+//       ^^^^^ source.js.embedded.jsx variable.other.readwrite
+//            ^ punctuation.definition.interpolation.end
+
+    baz={{ xyzzy:42 }}
+//      ^^^^^^^^^^^^^^ meta.interpolation
+//      ^ punctuation.definition.interpolation.begin
+//       ^^^^^^^^^^^^ source.js.embedded.jsx meta.mapping
+//         ^^^^^ meta.mapping.key
+//              ^ punctuation.separator.key-value
+//               ^^ constant.numeric.integer.decimal
+//                   ^ punctuation.definition.interpolation.end
+
+
+    {...attrs}
+//  ^^^^^^^^^^ meta.interpolation
+//   ^^^^^^^^ source.js.embedded.jsx
+//   ^^^ keyword.operator.spread
+//      ^^^^^ variable.other.readwrite
+
+    {...{ xyzzy:42 }}
+//  ^^^^^^^^^^^^^^^^^ meta.interpolation
+//   ^^^^^^^^^^^^^^^ source.js.embedded.jsx
+//   ^^^ keyword.operator.spread
+//      ^^^^^^^^^^^^ meta.mapping
+//        ^^^^^ meta.mapping.key
+//             ^ punctuation.separator.key-value
+//              ^^ constant.numeric.integer.decimal
+//                  ^ punctuation.definition.interpolation.end
+
+    // baz
+//  ^^^^^^ comment.line.double-slash
+//  ^^ punctuation.definition.comment
+
+    /* baz */
+//  ^^^^^^^^^ comment.block
+//  ^^ punctuation.definition.comment
+//         ^^ punctuation.definition.comment
+
+/>;
+// <- meta.jsx meta.tag punctuation.definition.tag.end
+
+<foo>
+    // test
+//  ^^^^^^^^ - comment
+
+    /* test */
+//  ^^^^^^^^^^ - comment
+
+    &nbsp; &nbsp ;
+//  ^^^^^^ constant.character.escape
+//  ^ punctuation.definition.entity
+//       ^ punctuation.definition.entity
+//         ^^^^^^^ - constant.character.escape
+
+    {xyzzy}
+//  ^^^^^^^ meta.interpolation
+//   ^^^^^ source.js.embedded.jsx variable.other.readwrite
+
+    {{ xyzzy:42 }}
+//  ^^^^^^^^^^^^^^ meta.interpolation
+//   ^^^^^^^^^^^^ source.js.embedded.jsx
+//   ^^^^^^^^^^^^ meta.mapping
+//     ^^^^^ meta.mapping.key
+//          ^ punctuation.separator.key-value
+//           ^^ constant.numeric.integer.decimal
+//               ^ punctuation.definition.interpolation.end
+
+    {//}
+//  ^ punctuation.definition.interpolation.begin
+//   ^^^ comment.line.double-slash
+//   ^^ punctuation.definition.comment
+//     ^ - punctuation
+    }
+//  ^ punctuation.definition.interpolation.end
+</foo>
\ No newline at end of file
diff --git a/JavaScript/tests/syntax_test_typescript.ts b/JavaScript/tests/syntax_test_typescript.ts
new file mode 100644
index 0000000000..c8b26c5055
--- /dev/null
+++ b/JavaScript/tests/syntax_test_typescript.ts
@@ -0,0 +1,690 @@
+// SYNTAX TEST "Packages/JavaScript/TypeScript.sublime-syntax"
+
+/* Import/Export */
+
+    import type T from 'somewhere';
+//  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.import
+//  ^^^^^^ keyword.control.import-export
+//         ^^^^ keyword.control.import-export
+//              ^ variable.other.readwrite
+//                ^^^^ keyword.control.import-export
+//                     ^^^^^^^^^^^ meta.string string.quoted.single
+
+    import type { U, V } from 'somewhere';
+//  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.import
+//  ^^^^^^ keyword.control.import-export
+//         ^^^^ keyword.control.import-export
+//              ^^^^^^^^ meta.block
+//                ^ variable.other.readwrite
+//                 ^ punctuation.separator.comma
+//                   ^ variable.other.readwrite
+//                       ^^^^ keyword.control.import-export
+//                            ^^^^^^^^^^^ meta.string string.quoted.single
+
+    export type T = any;
+//  ^^^^^^^^^^^^^^^^^^^ meta.export
+//  ^^^^^^ keyword.control.import-export
+//         ^^^^^^^^^^^^ meta.type-alias
+//                     ^ punctuation.terminator.statement.empty - meta.export
+
+    export interface Foo {}
+//  ^^^^^^^^^^^^^^^^^^^^^^^ meta.export
+//  ^^^^^^ keyword.control.import-export
+//         ^^^^^^^^^^^^^^^^ meta.interface
+//         ^^^^^^^^^ storage.type
+//                   ^^^ entity.name.interface
+//                       ^^ meta.block
+
+    export namespace Foo {}
+//  ^^^^^^^^^^^^^^^^^^^^^^^ meta.export
+//  ^^^^^^ keyword.control.import-export
+//         ^^^^^^^^^^^^^^^^ meta.namespace
+//         ^^^^^^^^^ storage.type
+//                   ^^^ entity.name.namespace
+//                       ^^ meta.block
+
+/* Declarations */
+
+    interface Foo {
+//  ^^^^^^^^^^^^^^^^ meta.interface
+//  ^^^^^^^^^ storage.type
+//            ^^^ entity.name.interface
+//                ^ meta.block punctuation.section.block.begin
+        foo: any;
+//^^^^^^^^^^^^^^^^ meta.interface meta.block
+//      ^^^ variable.other.readwrite
+//         ^ punctuation.separator.type
+//           ^^^ meta.type support.type.any
+//              ^ punctuation.separator
+        bar?: any;
+//^^^^^^^^^^^^^^^^^ meta.interface meta.block
+//      ^^^ variable.other.readwrite
+//         ^ storage.modifier.optional
+//          ^ punctuation.separator.type
+//            ^^^ meta.type support.type.any
+//               ^ punctuation.separator
+    }
+//  ^ meta.block punctuation.section.block.end
+
+    enum Foo {
+//  ^^^^^^^^^^^ meta.enum
+//  ^^^^ storage.type
+//       ^^^ entity.name.enum
+//           ^ punctuation.section.block.begin
+        x,
+//      ^ variable.other.readwrite
+//       ^ punctuation.separator.comma
+        y = 2,
+//      ^ variable.other.readwrite
+//        ^ keyword.operator.assignment
+//          ^ constant.numeric.integer.decimal
+//           ^ punctuation.separator.comma
+
+        'FOO'
+//      ^^^^^ meta.string string.quoted.single
+        "FOO"
+//      ^^^^^ meta.string string.quoted.double
+    }
+//  ^ meta.enum meta.block punctuation.section.block.end
+
+    const enum Foo {}
+//  ^^^^^ storage.type
+//        ^^^^^^^^^^^ meta.enum
+//        ^^^^ storage.type
+//             ^^^ entity.name.enum
+
+    declare enum Foo {}
+//  ^^^^^^^ storage.type
+//          ^^^^^^^^^^^ meta.enum
+//          ^^^^ storage.type
+//               ^^^ entity.name.enum
+
+    type x < T > = any;
+//  ^^^^^^^^^^^^^^^^^^ meta.type-alias
+//  ^^^^ storage.type
+//       ^ entity.name.type
+//         ^^^^^ meta.generic
+//         ^ punctuation.definition.generic.begin
+//           ^ variable.parameter.generic
+//             ^ punctuation.definition.generic.end
+//               ^ keyword.operator.assignment
+//                 ^^^ meta.type-alias support.type.any
+
+    type x < T = Foo > = any;
+//  ^^^^^^^^^^^^^^^^^^^^^^^^ meta.type-alias
+//  ^^^^ storage.type
+//       ^ entity.name.type
+//         ^^^^^^^^^^^ meta.generic
+//         ^ punctuation.definition.generic.begin
+//           ^ variable.parameter.generic
+//             ^ keyword.operator.assignment
+//               ^^^ support.class
+//                   ^ punctuation.definition.generic.end
+//                     ^ keyword.operator.assignment
+//                       ^^^ meta.type-alias support.type.any
+
+    class Foo {
+        foo: any = 42;
+//      ^^^ variable.other.readwrite
+//         ^ punctuation.separator.type
+//           ^^^ meta.type support.type.any
+//               ^ keyword.operator.assignment
+
+        foo?: any;
+//      ^^^ variable.other.readwrite
+//         ^ storage.modifier.optional
+//          ^ punctuation.separator.type
+//            ^^^ meta.type support.type.any
+
+        declare foo;
+//      ^^^^^^^ storage.modifier
+//              ^^^ variable.other.readwrite
+
+        #foo: any;
+//      ^ punctuation.definition.variable
+//       ^^^ variable.other.readwrite
+//          ^ punctuation.separator.type
+//            ^^^ meta.type support.type.any
+
+        public foo;
+//      ^^^^^^ storage.modifier
+//             ^^^ variable.other.readwrite
+        private foo;
+//      ^^^^^^^ storage.modifier
+//              ^^^ variable.other.readwrite
+        protected foo;
+//      ^^^^^^^^^ storage.modifier
+//                ^^^ variable.other.readwrite
+        readonly foo;
+//      ^^^^^^^^ storage.modifier
+//               ^^^ variable.other.readwrite
+
+        private static foo;
+//      ^^^^^^^ storage.modifier
+//              ^^^^^^ storage.modifier
+//                     ^^^ variable.other.readwrite
+
+        foo(): any {}
+//      ^^^^^^^^^^^ meta.function.declaration
+//      ^^^ entity.name.function
+//           ^ punctuation.separator.type
+//             ^^^ meta.type support.type.any
+//                 ^^ meta.function meta.block
+    }
+
+    abstract class Foo {
+//  ^^^^^^^^ storage.modifier
+//           ^^^^^ meta.class storage.type.class
+
+        abstract foo;
+//      ^^^^^^^^ storage.modifier
+//               ^^^ variable.other.readwrite
+
+    }
+
+    class Foo < T > extends Bar implements Baz, Xyzzy { }
+//  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.class
+//  ^^^^^ storage.type.class
+//        ^^^ entity.name.class
+//            ^^^^^ meta.generic
+//            ^ punctuation.definition.generic.begin
+//              ^ variable.parameter.generic
+//                ^ punctuation.definition.generic.end
+//                  ^^^^^^^ storage.modifier.extends
+//                          ^^^ entity.other.inherited-class
+//                              ^^^^^^^^^^ storage.modifier.implements
+//                                         ^^^ entity.other.inherited-class
+//                                            ^ punctuation.separator.comma
+//                                              ^^^^^ entity.other.inherited-class
+//                                                    ^^^ meta.block
+
+    class Foo extends Bar < T > implements Bar < T > {}
+//  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.class
+//                    ^^^ entity.other.inherited-class
+//                        ^^^^^ meta.generic
+//                        ^ punctuation.definition.generic.begin
+//                          ^ support.class
+//                            ^ punctuation.definition.generic.end
+//                                         ^^^ entity.other.inherited-class
+//                                             ^^^^^ meta.generic
+//                                             ^ punctuation.definition.generic.begin
+//                                               ^ support.class
+//                                                 ^ punctuation.definition.generic.end
+//                                                   ^^ meta.block
+
+    namespace Foo {
+//  ^^^^^^^^^^^^^^^^ meta.namespace
+//  ^^^^^^^^^ storage.type
+//            ^^^ entity.name.namespace
+//                ^ meta.block punctuation.section.block.begin
+    }
+//  ^ meta.block punctuation.section.block.end
+
+/* Annotations */
+
+var x: any = 42;
+//   ^ punctuation.separator.type
+//     ^^^ meta.type support.type.any
+//         ^^^^^^ - meta.type
+//         ^ keyword.operator.assignment
+
+let x: any = 42;
+//   ^ punctuation.separator.type
+//     ^^^ meta.type support.type.any
+//         ^^^^^^ - meta.type
+//         ^ keyword.operator.assignment
+
+const x: any = 42;
+//     ^ punctuation.separator.type
+//       ^^^ meta.type support.type.any
+//           ^^^^^^ - meta.type
+//           ^ keyword.operator.assignment
+
+let [ x: any = 42 ];
+//     ^ punctuation.separator.type
+//       ^^^ meta.type support.type.any
+//           ^ keyword.operator.assignment
+
+let x !: any ;
+//  ^ variable.other.readwrite
+//    ^ storage.modifier.definite
+//     ^ punctuation.separator.type
+//       ^^^ meta.type support.type.any
+
+function f(x: any = 42) {}
+//          ^ punctuation.separator.type
+//            ^^^meta.type support.type.any
+//                ^ keyword.operator.assignment
+
+function f(public x) {}
+//         ^^^^^^ storage.modifier
+//                ^ meta.binding.name variable.parameter.function
+
+function f(readonly x) {}
+//         ^^^^^^^^ storage.modifier
+//                  ^ meta.binding.name variable.parameter.function
+
+function f(x?: any) {}
+//          ^ storage.modifier.optional
+//           ^ punctuation.separator.type
+
+function f(): any {}
+//^^^^^^^^^^^^^^^^^^ meta.function
+//^^^^^^ meta.function.declaration
+//          ^ punctuation.separator.type
+//            ^^^meta.type support.type.any
+//                ^^ meta.block
+
+function f ( x : any , ... y : any ) {}
+//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.function
+//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.function.declaration
+//         ^^^^^^^^^^^^^^^^^^^^^^^^^ meta.function.declaration
+//           ^ meta.binding.name variable.parameter.function
+//             ^ punctuation.separator.type
+//               ^^^ meta.type support.type.any
+//                   ^ punctuation.separator.parameter.function
+//                     ^^^ keyword.operator.spread
+//                         ^ meta.binding.name variable.parameter.function
+//                           ^ punctuation.separator.type
+//                             ^^^ meta.type support.type.any
+
+function f<T, U>() {}
+//^^^^^^^^^^^^^^^^^^^ meta.function
+//^^^^^^^^^^^^^^^^^ meta.function.declaration
+//        ^^^^^^ meta.generic
+//         ^ variable.parameter.generic
+//          ^ punctuation.separator.comma
+//            ^ variable.parameter.generic
+
+function f(x): x is any {};
+//^^^^^^^^^^^^^^^^^^^^^^^^ meta.function
+//^^^^^^^^^^^^^^^^^^^^^^ meta.function.declaration
+//           ^ punctuation.separator.type
+//             ^^^^^^^^^ meta.type
+//               ^^ keyword.operator.word
+//                  ^^^ support.type.any
+
+function f(x): asserts x is any {};
+//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.function
+//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.function.declaration
+//           ^ punctuation.separator.type
+//            ^^^^^^^^^^^^^^^^^ meta.type
+//             ^^^^^^^ storage.modifier.asserts
+//                       ^^ keyword.operator.word
+//                          ^^^ support.type.any
+
+function f(this : any) {}
+//         ^^^^ variable.language.this
+//              ^ punctuation.separator.type
+//                ^^^ support.type.any
+
+    (x: any) => 42;
+//  ^^^^^^^^^^^^^^ meta.function
+//  ^^^^^^^^^^^ meta.function.declaration
+//    ^ punctuation.separator.type
+//      ^^^ meta.type support.type.any
+//           ^^ storage.type.function.arrow
+
+/* Assertions */
+
+x as boolean;
+//^^ keyword.operator.type
+//   ^^^^^^^ meta.type support.type.primitive.boolean
+
+x as const;
+//^^ keyword.operator.type
+//   ^^^^^ storage.modifier.const
+
+    foo!.bar;
+//     ^^ punctuation.accessor
+
+    x ! ;
+//  ^ variable.other.readwrite
+//    ^ keyword.operator.type
+//      ^ punctuation.terminator.statement
+
+
+/* Types */
+
+let x: any;
+//     ^^^ support.type.any
+let x: void;
+//     ^^^^ support.type.void
+let x: never;
+//     ^^^^^ support.type.never
+let x: unknown;
+//     ^^^^^^^ support.type.unknown
+
+let x: boolean;
+//     ^^^^^^^ support.type.primitive.boolean
+let x: number;
+//     ^^^^^^ support.type.primitive.number
+let x: string;
+//     ^^^^^^ support.type.primitive.string
+let x: null;
+//     ^^^^ support.type.primitive.null
+let x: undefined;
+//     ^^^^^^^^^ support.type.primitive.undefined
+let x: object;
+//     ^^^^^^ support.type.primitive.object
+let x: symbol;
+//     ^^^^^^ support.type.primitive.symbol
+let x: unique symbol;
+//     ^^^^^^ storage.modifier.unique
+//            ^^^^^^ support.type.primitive.symbol
+let x: bigint;
+//     ^^^^^^ support.type.primitive.bigint
+
+let x: Foo;
+//     ^^^ support.class
+
+let x: any [ ];
+//     ^^^^^^ meta.type
+//     ^^^ support.type.any
+//         ^ storage.modifier.array
+//           ^ storage.modifier.array
+
+let x: readonly any [];
+//     ^^^^^^^^^^^^^^^ meta.type
+//     ^^^^^^^^ storage.modifier.readonly
+//              ^^^ support.type.any
+//                  ^^ storage.modifier.array
+
+let x: any [ "foo" | 'bar' ];
+//     ^^^^^^^^^^^^^^^^^^^^^ meta.type
+//     ^^^ support.type.any
+//         ^^^^^^^^^^^^^^^^^ meta.brackets
+//         ^ punctuation.section.brackets.begin
+//           ^^^^^ meta.string string.quoted.double
+//                 ^ keyword.operator.type.union
+//                   ^^^^^ meta.string string.quoted.single
+//                         ^ punctuation.section.brackets.end
+
+
+let x: any [ 0 ];
+//         ^^^^^ meta.type meta.brackets
+//         ^ punctuation.section.brackets.begin
+//           ^ constant.numeric.integer.decimal
+//             ^ punctuation.section.brackets.end
+
+let x: any [
+//     ^^^^^^ meta.type
+//     ^^^ support.type.any
+//         ^ punctuation.section.brackets.begin
+    ];
+//  ^ punctuation.section.brackets.end
+
+
+let x: any
+//     ^^^ meta.type support.type.any
+    [];
+//  ^^ meta.sequence punctuation.section.brackets - meta.type
+
+let x: Foo<any, any>;
+//     ^^^^^^^^^^^^^ meta.type
+//     ^^^ support.class
+//        ^^^^^^^^^^ meta.generic
+//        ^ punctuation.definition.generic.begin
+//         ^^^ support.type.any
+//            ^ punctuation.separator.comma
+//              ^^^ support.type.any
+//                 ^ punctuation.definition.generic.end
+
+
+function f<T extends Foo>() {}
+//        ^^^^^^^^^^^^^^^ meta.function.declaration meta.generic
+//         ^ variable.parameter.generic
+//           ^^^^^^^ storage.modifier.extends
+//                   ^^^ support.class
+
+let x: [ any , any ? , ... any [] ];
+//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.type meta.sequence
+//     ^ punctuation.section.brackets.begin
+//       ^^^ support.type.any
+//           ^ punctuation.separator.comma
+//             ^^^ support.type.any
+//                 ^ storage.modifier.optional
+//                   ^ punctuation.separator.comma
+//                     ^^^ keyword.operator.spread
+//                         ^^^ support.type.any
+//                             ^^ storage.modifier.array
+//                                ^ punctuation.section.brackets.end
+
+let x: any & any;
+//     ^^^^^^^^^ meta.type
+//     ^^^ support.type.any
+//         ^ keyword.operator.type.intersection
+//           ^^^ support.type.any
+
+let x: any | any;
+//     ^^^^^^^^^ meta.type
+//     ^^^ support.type.any
+//         ^ keyword.operator.type.union
+//           ^^^ support.type.any
+
+let x: "a string";
+//     ^ meta.type meta.string string.quoted.double
+
+let x: 'a string';
+//     ^ meta.type meta.string string.quoted.single
+
+let x: 42;
+//     ^^ meta.type constant.numeric.integer.decimal
+
+let x: typeof Foo;
+//     ^^^^^^^^^^ meta.type
+//     ^^^^^ keyword.operator.type
+//            ^^^ support.class
+let x: keyof Foo;
+//     ^^^^^^^^^ meta.type
+//     ^^^^^ keyword.operator.type
+//           ^^^ support.class
+
+let x: Foo.bar;
+//     ^^^^^^^ meta.type
+//     ^^^ support.class
+//        ^ punctuation.separator.accessor
+//         ^^^ support.class
+
+let x: {
+//     ^ meta.type punctuation.section.block.begin
+
+    a : any ,
+//  ^ variable.other.readwrite
+//    ^ punctuation.separator.type
+//      ^^^ support.type.any
+//          ^ punctuation.separator
+
+    b ? : any ;
+//  ^ variable.other.readwrite
+//    ^ storage.modifier.optional
+//      ^ punctuation.separator.type
+//        ^^^ support.type.any
+//            ^ punctuation.separator
+
+    readonly c : any ;
+//  ^^^^^^^^ storage.modifier
+//           ^ variable.other.readwrite
+//             ^ punctuation.separator.type
+//               ^^^ support.type.any
+//                   ^ punctuation.separator
+
+    ( foo : any ) : any ;
+//  ^ punctuation.section.group.begin
+//    ^^^ meta.binding.name variable.parameter.function
+//        ^ punctuation.separator.type
+//          ^^^ support.type.any
+//              ^ punctuation.section.group.end
+//                ^ punctuation.separator.type
+//                  ^^^ support.type.any
+//                      ^ punctuation.separator
+
+
+    <T>( foo : any ) : any ;
+//  ^^^ meta.generic
+//  ^ punctuation.definition.generic.begin
+//   ^ meta.generic variable.parameter.generic
+//    ^ punctuation.definition.generic.end
+//     ^ punctuation.section.group.begin
+//       ^^^ meta.binding.name variable.parameter.function
+//           ^ punctuation.separator.type
+//             ^^^ support.type.any
+//                 ^ punctuation.section.group.end
+//                   ^ punctuation.separator.type
+//                     ^^^ support.type.any
+//                         ^ punctuation.separator
+
+    a ( foo : any ) : any ;
+//  ^ variable.other.readwrite
+//    ^ punctuation.section.group.begin
+//      ^^^ meta.binding.name variable.parameter.function
+//          ^ punctuation.separator.type
+//            ^^^ support.type.any
+//                ^ punctuation.section.group.end
+//                  ^ punctuation.separator.type
+//                    ^^^ support.type.any
+//                        ^ punctuation.separator
+
+
+    a <T>( foo : any ) : any ;
+//  ^ variable.other.readwrite
+//    ^^^ meta.generic
+//    ^ punctuation.definition.generic.begin
+//     ^ meta.generic variable.parameter.generic
+//      ^ punctuation.definition.generic.end
+//       ^ punctuation.section.group.begin
+//         ^^^ meta.binding.name variable.parameter.function
+//             ^ punctuation.separator.type
+//               ^^^ support.type.any
+//                   ^ punctuation.section.group.end
+//                     ^ punctuation.separator.type
+//                       ^^^ support.type.any
+//                           ^ punctuation.separator
+
+    new ( foo : any ) : any ;
+//      ^ punctuation.section.group.begin
+//        ^^^ meta.binding.name variable.parameter.function
+//            ^ punctuation.separator.type
+//              ^^^ support.type.any
+//                  ^ punctuation.section.group.end
+//                    ^ punctuation.separator.type
+//                      ^^^ support.type.any
+//                          ^ punctuation.separator
+
+    new <T>( foo : any ) : any ;
+//      ^^^ meta.generic
+//      ^ punctuation.definition.generic.begin
+//       ^ meta.generic variable.parameter.generic
+//        ^ punctuation.definition.generic.end
+//         ^ punctuation.section.group.begin
+//           ^^^ meta.binding.name variable.parameter.function
+//               ^ punctuation.separator.type
+//                 ^^^ support.type.any
+//                     ^ punctuation.section.group.end
+//                       ^ punctuation.separator.type
+//                         ^^^ support.type.any
+//                             ^ punctuation.separator
+
+    [ foo : string ] : any ;
+//  ^^^^^^^^^^^^^^^^ meta.brackets
+//  ^ punctuation.section.brackets.begin
+//    ^^^ variable.other.readwrite
+//        ^ punctuation.separator.type
+//          ^^^^^^ support.type.primitive.string
+//                 ^ punctuation.section.brackets.end
+//                   ^ punctuation.separator.type
+//                     ^^^ support.type.any
+//                         ^ punctuation.separator
+
+    [ foo : number ] : any ;
+//  ^^^^^^^^^^^^^^^^ meta.brackets
+//  ^ punctuation.section.brackets.begin
+//    ^^^ variable.other.readwrite
+//        ^ punctuation.separator.type
+//          ^^^^^^ support.type.primitive.number
+//                 ^ punctuation.section.brackets.end
+//                   ^ punctuation.separator.type
+//                     ^^^ support.type.any
+//                         ^ punctuation.separator
+
+    [ P in keyof T ] : T [ P ] ;
+//  ^^^^^^^^^^^^^^^^ meta.brackets
+//  ^ punctuation.section.brackets.begin
+//    ^ variable.other.readwrite
+//      ^^ keyword.operator.type
+//         ^^^^^ keyword.operator.type
+//               ^ meta.brackets support.class
+//                 ^ punctuation.section.brackets.end
+//                   ^ punctuation.separator.type
+//                     ^ support.class
+//                       ^^^^^ meta.brackets
+//                       ^ punctuation.section.brackets.begin
+//                         ^ support.class
+//                           ^ punctuation.section.brackets.end
+//                             ^ punctuation.separator
+
+    - readonly [ P in keyof T ] - ? : T [ P ] ;
+//  ^ storage.modifier
+//    ^^^^^^^^ storage.modifier
+//             ^^^^^^^^^^^^^^^^ meta.brackets
+//             ^ punctuation.section.brackets.begin
+//               ^ variable.other.readwrite
+//                 ^^ keyword.operator.type
+//                    ^^^^^ keyword.operator.type
+//                          ^ meta.brackets support.class
+//                            ^ punctuation.section.brackets.end
+//                              ^ storage.modifier
+//                                ^ storage.modifier.optional
+//                                  ^ punctuation.separator.type
+//                                    ^ support.class
+//                                      ^^^^^ meta.brackets
+//                                      ^ punctuation.section.brackets.begin
+//                                        ^ support.class
+//                                          ^ punctuation.section.brackets.end
+//                                            ^ punctuation.separator
+    
+    }
+//  ^ meta.type punctuation.section.block.end
+
+let x: ( foo ? : any ) => bar;
+//     ^^^^^^^^^^^^^^^^^^^^^^ meta.type
+//     ^^^^^^^^^^^^^^^ meta.group
+//     ^ punctuation.section.group.begin
+//       ^^^ variable.other.readwrite
+//           ^ storage.modifier.optional
+//             ^ punctuation.separator.type
+//               ^^^ support.type.any
+//                   ^ punctuation.section.group.end
+//                     ^^ storage.type.function
+//                        ^^^ support.class
+
+let x: T extends U ? V : W;
+//     ^^^^^^^^^^^^^^^^^^^ meta.type
+//     ^ support.class
+//       ^^^^^^^ keyword.operator.type.extends
+//               ^ support.class
+//                 ^ keyword.operator.type
+//                   ^ support.class
+//                     ^ keyword.operator.type
+//                       ^ support.class
+
+let x: T extends infer U ? V : W;
+//     ^^^^^^^^^^^^^^^^^^^^^^^^^ meta.type
+//     ^ support.class
+//       ^^^^^^^ keyword.operator.type.extends
+//               ^^^^^ keyword.operator.type
+//                     ^ support.class
+//                       ^ keyword.operator.type
+//                         ^ support.class
+//                           ^ keyword.operator.type
+//                             ^ support.class
+
+let x: import ( "foo" ) . Bar ;
+//     ^^^^^^^^^^^^^^^^^^^^^^^ meta.type
+//     ^^^^^^ keyword.operator.type
+//            ^^^^^^^^^ meta.group
+//            ^ punctuation.section.group.begin
+//              ^^^^^ meta.string string.quoted.double
+//                    ^ punctuation.section.group.end
+//                      ^ punctuation.separator.accessor
+//                        ^^^ support.class
\ No newline at end of file