liquidjs/src/tokens/property-access-token.ts

import { Token } from './token'
import { IdentifierToken } from './identifier-token'
import { QuotedToken } from './quoted-token'
import { TokenKind } from '../parser/token-kind'
import { parseStringLiteral } from '../parser/parse-string-literal'

export class PropertyAccessToken extends Token {
  constructor (
    public variable: IdentifierToken | QuotedToken,
    public props: (IdentifierToken | QuotedToken | PropertyAccessToken)[],
    end: number
  ) {
    super(TokenKind.PropertyAccess, variable.input, variable.begin, end, variable.file)
  }

  getVariableAsText () {
    if (this.variable instanceof IdentifierToken) {
      return this.variable.getText()
    } else {
      return parseStringLiteral(this.variable.getText())
    }
  }
}