pulsar/packages/language-javascript/grammars/tree-sitter-javascript.cson

name: 'JavaScript'
scopeName: 'source.js'
type: 'tree-sitter'
parser: 'tree-sitter-javascript'

fileTypes: ['js', 'jsx']

injectionRegex: '^js$|^JS$|javascript|JavaScript'

firstLineRegex: [
  # shebang line
  '^#!.*\\b(node)\\r?\\n'

  # vim modeline
  'vim\\b.*\\bset\\b.*\\b(filetype|ft|syntax)=(js|javascript)'
]

folds: [
  {
    type: 'comment'
  }
  {
    type: ['jsx_element', 'template_string'],
    start: {index: 0}
    end: {index: -1}
  }
  {
    type: 'jsx_self_closing_element'
    start: {index: 1}
    end: {index: -2}
  }
  {
    start: {index: 0, type: '{'}
    end: {index: -1, type: '}'}
  }
  {
    start: {index: 0, type: '['}
    end: {index: -1, type: ']'}
  }
  {
    start: {index: 0, type: '('}
    end: {index: -1, type: ')'}
  }
  {
    type: ['switch_case', 'switch_default']
    start: {index: 0}
    end: {type: 'break_statement', index: -1}
  }
  {
    type: ['switch_case', 'switch_default']
    start: {index: 0}
  }
]

comments:
  start: '// '

scopes:
  'program': 'source.js'

  'property_identifier': [
    {
      match: '^[\$A-Z_]+$',
      scopes: 'constant.other.property.js'
    }

    'variable.other.object.property'
  ]

  'member_expression > property_identifier': 'variable.other.object.property.unquoted'

  'formal_parameters > identifier': 'variable.parameter.function'
  'formal_parameters > rest_parameter > identifier': 'variable.parameter.rest.function'

  'shorthand_property_identifier': [
    {
      match: '^[\$A-Z_]{2,}$',
      scopes: 'constant.other'
    }
  ]

  '
    class > identifier,
    new_expression > identifier
  ': 'meta.class'

  '
    jsx_opening_element > identifier,
    jsx_closing_element > identifier,
    jsx_self_closing_element > identifier
  ': [
    {
      match: '^[A-Z]',
      scopes: 'meta.class.component.jsx'
    }
  ]

  'call_expression > identifier': {match: '^[A-Z]', scopes: 'meta.class'}
  'arrow_function > identifier:nth-child(0)': 'variable.parameter.function'

  'function > identifier': 'entity.name.function'
  'function_declaration > identifier': 'entity.name.function'
  'generator_function > identifier': 'entity.name.function'

  'call_expression > identifier': [
    {match: '^require$', scopes: 'support.function'},
    'entity.name.function'
  ]

  'call_expression > super': 'support.function.super'

  'method_definition > property_identifier': 'entity.name.function'
  'call_expression > member_expression > property_identifier': 'entity.name.function'

  'identifier': [
    {
      match: '^(global|globalThis|module|exports|__filename|__dirname)$',
      scopes: 'support.variable'
    },
    {
      match: '^(window|self|frames|event|document|performance|screen|navigator|console)$'
      scopes: 'support.variable.dom'
    },
    {
      exact: 'require',
      scopes: 'support.function'
    },
    {
      match: '^[\$A-Z_]{2,}$',
      scopes: 'constant.other'
    },
    {
      match: '^[A-Z]',
      scopes: 'meta.class'
    },
  ]

  'number': 'constant.numeric'
  'string': 'string.quoted'
  'regex': 'string.regexp'
  'escape_sequence': 'constant.character.escape'
  'template_string': 'string.quoted.template'
  'undefined': 'constant.language'
  'null': 'constant.language.null'
  'true': 'constant.language.boolean.true'
  'false': 'constant.language.boolean.false'
  'comment': [
    {
      match: "^//",
      scopes: 'comment.line'
    },
    'comment.block'
  ]
  'hash_bang_line': 'comment.block'

  '
    jsx_expression > "{",
    jsx_expression > "}",
    template_substitution > "${",
    template_substitution > "}"
  ': 'punctuation.section.embedded'
  'template_substitution': 'embedded.source'

  '"("': 'punctuation.definition.parameters.begin.bracket.round'
  '")"': 'punctuation.definition.parameters.end.bracket.round'
  '"{"': 'punctuation.definition.function.body.begin.bracket.curly'
  '"}"': 'punctuation.definition.function.body.end.bracket.curly'
  '";"': 'punctuation.terminator.statement.semicolon'
  '"["': 'punctuation.definition.array.begin.bracket.square'
  '"]"': 'punctuation.definition.array.end.bracket.square'

  '"var"': 'storage.type'
  '"let"': 'storage.type'
  '"class"': 'storage.type'
  '"extends"': 'storage.modifier'
  '"const"': 'storage.modifier'
  '"static"': 'storage.modifier'
  '"function"': 'storage.type.function'
  '"=>"': 'storage.type.function.arrow'

  '"="': 'keyword.operator.js'
  '"+="': 'keyword.operator.js'
  '"-="': 'keyword.operator.js'
  '"*="': 'keyword.operator.js'
  '"/="': 'keyword.operator.js'
  '"%="': 'keyword.operator.js'
  '"<<="': 'keyword.operator.js'
  '">>="': 'keyword.operator.js'
  '">>>="': 'keyword.operator.js'
  '"&="': 'keyword.operator.js'
  '"^="': 'keyword.operator.js'
  '"|="': 'keyword.operator.js'
  '"!"': 'keyword.operator.js'
  '"+"': 'keyword.operator.js'
  '"-"': 'keyword.operator.js'
  '"*"': 'keyword.operator.js'
  '"/"': 'keyword.operator.js'
  '"%"': 'keyword.operator.js'
  '"=="': 'keyword.operator.js'
  '"==="': 'keyword.operator.js'
  '"!="': 'keyword.operator.js'
  '"!=="': 'keyword.operator.js'
  '">="': 'keyword.operator.js'
  '"<="': 'keyword.operator.js'
  '">"': 'keyword.operator.js'
  '"<"': 'keyword.operator.js'
  '":"': 'keyword.operator.js'
  '"?"': 'keyword.operator.js'
  '"&&"': 'keyword.operator.js'
  '"||"': 'keyword.operator.js'
  '"&"': 'keyword.operator.js'
  '"~"': 'keyword.operator.js'
  '"^"': 'keyword.operator.js'
  '">>"': 'keyword.operator.js'
  '">>>"': 'keyword.operator.js'
  '"<<"': 'keyword.operator.js'
  '"|"': 'keyword.operator.js'
  '"++"': 'keyword.operator.js'
  '"--"': 'keyword.operator.js'
  '"..."': 'keyword.operator.spread.js'

  '"in"': 'keyword.operator.in'
  '"instanceof"': 'keyword.operator.instanceof'
  '"of"': 'keyword.operator.of'
  '"new"': 'keyword.operator.new'
  '"typeof"': 'keyword.operator.typeof'

  '"get"': 'keyword.operator.setter'
  '"set"': 'keyword.operator.setter'

  '"."': 'meta.delimiter.period'
  '","': 'meta.delimiter.comma'

  '"as"': 'keyword.control'
  '"if"': 'keyword.control'
  '"do"': 'keyword.control'
  '"else"': 'keyword.control'
  '"while"': 'keyword.control'
  '"for"': 'keyword.control'
  '"return"': 'keyword.control'
  '"break"': 'keyword.control'
  '"continue"': 'keyword.control'
  '"throw"': 'keyword.control'
  '"try"': 'keyword.control'
  '"catch"': 'keyword.control'
  '"finally"': 'keyword.control'
  '"switch"': 'keyword.control'
  '"case"': 'keyword.control'
  '"default"': 'keyword.control'
  '"export"': 'keyword.control'
  '"import"': 'keyword.control'
  '"from"': 'keyword.control'
  '"yield"': 'keyword.control'
  '"async"': 'keyword.control'
  '"await"': 'keyword.control'
  '"debugger"': 'keyword.control'
  '"delete"': 'keyword.control'

  'jsx_attribute > property_identifier': 'entity.other.attribute-name'
  'jsx_opening_element > identifier': 'entity.name.tag'
  'jsx_closing_element > identifier': 'entity.name.tag'
  'jsx_self_closing_element > identifier': 'entity.name.tag'