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'