Class ExpressionParser

parser

ensureParser

• ensureParser(): Promise<void>

• We should separate loading the parser into its own function because loading the grammar takes some time. If there are multiple concurrent parse calls, it's faster to just wait for building the parser once and then use it for all subsequent calls. See expression.test.ts for an example.

  Returns Promise<void>

getFormatInstructions

• getFormatInstructions(): string

• This method is currently empty, but it could be used to provide instructions on the format of the input text.

  Returns string

  string

parse

• parse(text): Promise<ParsedType>

• Parses the given text. It first ensures the parser is loaded, then tries to parse the text. If the parsing fails, it throws an error. If the parsing is successful, it returns the parsed expression.

  Parameters

  • text: string

    The text to be parsed.

  Returns Promise<ParsedType>

  The parsed expression