%YAML 1.2
---
# https://www.typescriptlang.org/docs/handbook/intro.html
# Sublime Text syntax definition for TypeScript / TSX.

name: TypeScript
scope: source.ts

file_extensions:
  - ts
  - mts
  - cts

variables:
  identifier: '[A-Za-z_$][A-Za-z0-9_$]*'
  line_break: '(?:\x0D\x0A?|\x0A)'

contexts:
  main:
    - include: whitespace
    - include: comments
    - include: decorator
    - include: strings
    - include: numbers
    - include: declaration-keywords
    - include: control-keywords
    - include: modifiers
    - include: type-declaration
    - include: function-declaration
    - include: types
    - include: constants
    - include: function-calls
    - include: property-access
    - include: punctuation
    - include: identifiers

  whitespace:
    - match: '[\t ]+'

  comments:
    - match: '/\*'
      scope: punctuation.definition.comment.ts
      push:
        - meta_scope: comment.block.ts
        - match: '\*/'
          scope: punctuation.definition.comment.ts
          pop: 1
    - match: '//'
      scope: punctuation.definition.comment.ts
      push:
        - meta_scope: comment.line.double-slash.ts
        - match: '{{line_break}}'
          pop: 1

  # 装饰器：@Component、@Injectable
  decorator:
    - match: '@{{identifier}}(?:\.{{identifier}})*'
      scope: entity.other.attribute-name.ts
      push:
        - match: '\('
          scope: punctuation.section.arguments.begin.ts
          push:
            - match: '\)'
              scope: punctuation.section.arguments.end.ts
              pop: 1
            - include: main
        - match: '(?=\S)'
          pop: 1

  strings:
    # 模板字符串 `...${expr}...`
    - match: '`'
      scope: punctuation.definition.string.begin.ts
      push:
        - meta_scope: string.quoted.other.ts
        - match: '\$\{'
          scope: punctuation.section.interpolation.begin.ts
          push:
            - clear_scopes: 1
            - meta_scope: meta.interpolation.ts
            - include: main
            - match: '\}'
              scope: punctuation.section.interpolation.end.ts
              pop: 1
        - match: '\\[nrt`\\$]'
          scope: constant.character.escape.ts
        - match: '`'
          scope: punctuation.definition.string.end.ts
          pop: 1
    # 双引号字符串
    - match: '"'
      scope: punctuation.definition.string.begin.ts
      push:
        - meta_scope: string.quoted.double.ts
        - match: '\\[nrt"\\]'
          scope: constant.character.escape.ts
        - match: '"'
          scope: punctuation.definition.string.end.ts
          pop: 1
        - match: '{{line_break}}'
          scope: invalid.illegal.unclosed-string.ts
          pop: 1
    # 单引号字符串
    - match: "'"
      scope: punctuation.definition.string.begin.ts
      push:
        - meta_scope: string.quoted.single.ts
        - match: "\\\\[nrt'\\\\]"
          scope: constant.character.escape.ts
        - match: "'"
          scope: punctuation.definition.string.end.ts
          pop: 1

  numbers:
    # 十六进制
    - match: '\b0[xX][0-9A-Fa-f_]+'
      scope: constant.numeric.integer.hexadecimal.ts
    # 二进制
    - match: '\b0[bB][01_]+'
      scope: constant.numeric.integer.binary.ts
    # 八进制
    - match: '\b0[oO][0-7_]+'
      scope: constant.numeric.integer.octal.ts
    # 浮点（含科学计数法）
    - match: '\b[0-9][0-9_]*(?:\.[0-9][0-9_]*)?(?:[eE][-+]?[0-9]+)?\b'
      scope: constant.numeric.decimal.ts
    # BigInt 后缀
    - match: '\b[0-9][0-9_]*n\b'
      scope: constant.numeric.integer.decimal.ts

  # 声明类关键字
  declaration-keywords:
    - match: '\b(?:var|let|const|function|class|interface|type|enum|namespace|module|import|export|from|as|default)\b'
      scope: keyword.declaration.ts
    - match: '\b(?:new|delete|typeof|instanceof|in|of|keyof|infer|is|readonly|asserts)\b'
      scope: keyword.operator.type.ts

  # 控制流关键字
  control-keywords:
    - match: '\b(?:if|else|for|while|do|switch|case|break|continue|return|throw|try|catch|finally|await|yield)\b'
      scope: keyword.control.ts
    - match: '\b(?:async|await)\b'
      scope: keyword.control.async.ts
    - match: '\b(?:true|false|null|undefined|this|super)\b'
      scope: constant.language.ts

  # 访问修饰符
  modifiers:
    - match: '\b(?:public|private|protected|static|abstract|readonly|override|declare|get|set)\b'
      scope: storage.modifier.ts

  # type 别名与 interface 的名字识别
  type-declaration:
    - match: '\b(type)\s+({{identifier}})'
      captures:
        1: keyword.declaration.ts
        2: entity.name.type.ts
    - match: '\b(interface)\s+({{identifier}})'
      captures:
        1: keyword.declaration.ts
        2: entity.name.type.ts
    - match: '\b(enum)\s+({{identifier}})'
      captures:
        1: keyword.declaration.ts
        2: entity.name.type.ts

  # 函数声明：function name( / 方法名(
  function-declaration:
    - match: '\b(function)\s+\*?\s*({{identifier}})'
      captures:
        1: keyword.declaration.ts
        2: entity.name.function.ts
    - match: '\b({{identifier}})\s*(?=\(|\<)'
      captures:
        1: entity.name.function.ts

  # 内置/常用类型
  types:
    - match: '\b(?:string|number|boolean|void|object|symbol|bigint|never|unknown|any)\b'
      scope: support.type.primitive.ts
    - match: '\b(?:Array|Promise|Map|Set|Date|RegExp|Error|Record|Partial|Required|Readonly|Pick|Omit|ReturnType|Parameters|InstanceType|ReadonlyArray)\b'
      scope: support.type.ts

  # 常量
  constants:
    - match: '\b(?:console|Math|JSON|Object|Number|String|Boolean|Symbol|window|document|globalThis|process)\b'
      scope: support.class.ts
    - match: '\b[A-Z][A-Z0-9_]+\b'
      scope: variable.other.constant.ts

  # 函数调用
  function-calls:
    - match: '\b({{identifier}})\s*(?=\()'
      captures:
        1: variable.function.ts

  # 属性访问：.method(
  property-access:
    - match: '\.({{identifier}})\s*(?=\()'
      captures:
        1: variable.function.ts
    - match: '\.({{identifier}})\b'
      captures:
        1: variable.other.property.ts

  punctuation:
    - match: '[\(\)\{\}\[\];,]'
      scope: punctuation.ts
    - match: '=>'
      scope: storage.type.function.arrow.ts
    - match: '<(?=[A-Za-z_$])'
      scope: punctuation.definition.typeparameters.begin.ts
    - match: '=>|[-+*/%=<>!&|?~^]+'
      scope: keyword.operator.ts

  # 大写开头的标识符视为类型/类名
  identifiers:
    - match: '\b[A-Z][A-Za-z0-9_$]*\b'
      scope: entity.name.type.ts
    - match: '{{identifier}}'
      scope: variable.ts