Function validate

  • validate(
        msg: Model.Message,
        onError?: (
            type:
                | "duplicate-declaration"
                | "duplicate-variant"
                | "key-mismatch"
                | "missing-fallback"
                | "missing-selector-annotation",
            node: Node,
        ) => void,
    ): { functions: Set<string>; variables: Set<string> }

    Ensure that the msg data model is valid, calling onError on errors. If onError is not defined, a MessageDataModelError will be thrown on error.

    Detects the following errors:

    • 'key-mismatch': Variant Key Mismatch
      The number of keys on a variant does not equal the number of selectors.

    • 'missing-fallback': Missing Fallback Variant
      The message does not include a variant with only catch-all keys.

    • 'missing-selector-annotation': Missing Selector Annotation
      A selector does not contains a variable that directly or indirectly reference a declaration with a function.

    • 'duplicate-declaration': Duplicate Declaration
      A variable appears in two declarations.

    • 'duplicate-variant': Duplicate Variant
      The same list of keys is used for more than one variant.

    Parameters

    • msg: Model.Message
    • onError: (
          type:
              | "duplicate-declaration"
              | "duplicate-variant"
              | "key-mismatch"
              | "missing-fallback"
              | "missing-selector-annotation",
          node: Node,
      ) => void = ...

    Returns { functions: Set<string>; variables: Set<string> }

    The sets of runtime functions and variables used by the message.

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