DotENV.YAML-tmLanguage

# [PackageDev] target_format: plist, ext: tmLanguage
---
name: DotENV
scopeName: source.env
fileTypes: [
  ".env",
  ".env.dist",
  ".env.local",
  ".env.sample",
  ".env.example",
  ".env.test",
  ".env.test.local",
  ".env.testing",
  ".env.dev",
  ".env.development",
  ".env.development.local",
  ".env.prod",
  ".env.production",
  ".env.production.local",
  ".env.dusk.local",
  ".env.staging",
  ".env.default",
  ".env.defaults",
  ".envrc",
  ".flaskenv",
]
uuid: 09d4e117-0975-453d-a74b-c2e525473f97

patterns:
  - comment: 'Comments - starts with #'
    match: '(#).*$\n?'
    name: comment.line.number-sign.env
    captures:
      '1': { name: punctuation.definition.comment.env }

  - comment: Strings (double)
    name: string.quoted.double.env
    begin: (\")
    beginCaptures:
      '1': { name: punctuation.definition.string.begin.env }
    patterns:
      - include: '#interpolation'
      - include: '#variable'
      - include: '#escape-characters'
    end: (\")
    endCaptures:
      '1': { name: punctuation.definition.string.end }

  - comment: Strings (single)
    name: string.quoted.single.env
    begin: (\')
    beginCaptures:
      '1': { name: punctuation.definition.string.begin.env }
    end: (\')
    endCaptures:
      '1': { name: punctuation.definition.string.end }

  - comment: Assignment Operator
    match: (?<=[\w])\s?=
    name: keyword.operator.assignment.env

  - comment: Variable
    match: '([\w]+)(?=\s?\=)'
    name: variable.other.env

  - comment: Keywords
    match: '(?i)\s?(export)'
    name: keyword.other.env

  - comment: Constants
    match: '(?i)(?<=\=)\s?(true|false|null)'
    name: constant.language.env

  - comment: Numeric
    match: '\b((0(x|X)[0-9a-fA-F]*)|(([0-9]+\.?[0-9]*)|(\.[0-9]+))((e|E)(\+|-)?[0-9]+)?)\b'
    name: constant.numeric.env


repository:
  interpolation:
    comment: 'Template Syntax: "foo ${bar} {$baz}"'
    begin: '(\$\{|\{)'
    beginCaptures:
      '1': { name: string.interpolated.env keyword.other.template.begin.env }
    patterns:
      - match: '(?x)(\$+)?([a-zA-Z_\x{7f}-\x{ff}][a-zA-Z0-9_\x{7f}-\x{ff}]*?\b)'
        captures:
          '1': { name: punctuation.definition.variable.env variable.other.env }
          '2': { name: variable.other.env }
    end: '(\})'
    endCaptures:
      '1': { name: string.interpolated.env keyword.other.template.end.env }

  variable:
    patterns:
    - match: '(?x)(\$+)([a-zA-Z_\x{7f}-\x{ff}][a-zA-Z0-9_\x{7f}-\x{ff}]*?\b)'
      captures:
        '1': { name: punctuation.definition.variable.env variable.other.env }
        '2': { name: variable.other.env }

  escape-characters:
    patterns:
    - match: \\[nrt\\\$\"\']
      name: constant.character.escape.env