JSON (JavaScriptNext).YAML-tmLanguage

# [PackageDev] target_format: plist, ext: tmLanguage
name: JSON (Javascript Next)
scopeName: source.json
fileTypes: [json, sublime-settings, sublime-menu, sublime-keymap, sublime-mousemap,
  sublime-theme, sublime-build, sublime-project, sublime-completions]
uuid: 8f97457b-516e-48ce-83c7-08ae12fb327a
foldingStartMarker: >-
  (?x)       # turn on extended mode
    ^        # a line beginning with
    \s*      # some optional space
    [{\[]    # the start of an object or array
    (?!      # but not followed by
      .*     # whatever
      [}\]]  # and the close of an object or array
      ,?     # an optional comma
      \s*    # some optional space
      $      # at the end of the line
    )
    |        # ...or...
    [{\[]    # the start of an object or array
    \s*      # some optional space
    $        # at the end of the line
foldingStopMarker: >-
  (?x)     # turn on extended mode
    ^      # a line beginning with
    \s*    # some optional space
    [}\]]  # and the close of an object or array
keyEquivalent: ^~J

patterns:
- include: '#value'

repository:
  array:
    name: meta.structure.array.json
    begin: \[
    beginCaptures:
      '0': {name: punctuation.definition.array.begin.json}
    end: \]
    endCaptures:
      '0': {name: punctuation.definition.array.end.json}
    patterns:
    - include: '#value'
    - name: punctuation.separator.array.json
      match: ','
    - name: invalid.illegal.expected-array-separator.json
      match: '[^\s\]]'

  comments:
    patterns:
    - name: comment.block.documentation.json
      begin: /\*\*
      end: \*/
      captures:
        '0': {name: punctuation.definition.comment.json}
    - name: comment.block.json
      begin: /\*
      end: \*/
      captures:
        '0': {name: punctuation.definition.comment.json}
    - name: comment.line.double-slash.js
      match: (//).*$\n?
      captures:
        '1': {name: punctuation.definition.comment.json}

  constant:
    name: constant.language.json
    match: \b(?:true|false|null)\b

  # handles integer and decimal numbers
  number:
    name: constant.numeric.json
    match: >-
      (?x)        # turn on extended mode
        -?        # an optional minus
        (?:
          0       # a zero
          |       # ...or...
          [1-9]   # a 1-9 character
          \d*     # followed by zero or more digits
        )
        (?:
          (?:
            \.    # a period
            \d+   # followed by one or more digits
          )?
          (?:
            [eE]  # an e character
            [+-]? # followed by an option +/-
            \d+   # followed by one or more digits
          )?      # make exponent optional
        )?        # make decimal portion optional

  # a JSON object
  object:
    name: meta.structure.dictionary.json
    begin: \{
    beginCaptures:
      '0': {name: punctuation.definition.dictionary.begin.json}
    end: \}
    endCaptures:
      '0': {name: punctuation.definition.dictionary.end.json}
    patterns:
    - comment: the JSON object key
      include: '#string'
    - include: '#comments'
    - name: meta.structure.dictionary.value.json
      begin: ':'
      beginCaptures:
        '0': {name: punctuation.separator.dictionary.key-value.json}
      end: (,)|(?=\})
      endCaptures:
        '1': {name: punctuation.separator.dictionary.pair.json}
      patterns:
      - comment: the JSON object value
        include: '#value'
      - name: invalid.illegal.expected-dictionary-separator.json
        match: '[^\s,]'
    - name: invalid.illegal.expected-dictionary-separator.json
      match: '[^\s\}]'

  string:
    name: string.quoted.double.json
    begin: '"'
    beginCaptures:
      '0': {name: punctuation.definition.string.begin.json}
    end: '"'
    endCaptures:
      '0': {name: punctuation.definition.string.end.json}
    patterns:
    - name: constant.character.escape.json
      match: >-
        (?x)                # turn on extended mode
          \\                # a literal backslash
          (?:               # ...followed by...
            ["\\/bfnrt]     # one of these characters
            |               # ...or...
            u               # a u
            [0-9a-fA-F]{4}) # and four hex digits
    - name: invalid.illegal.unrecognized-string-escape.json
      match: \\.

  # the 'value' diagram at http://json.org
  value:
    patterns:
    - include: '#constant'
    - include: '#number'
    - include: '#string'
    - include: '#array'
    - include: '#object'
    - include: '#comments'