Class EmptyAssertion

    Package: grammarkdown

    Represents the empty assertion, which matches exactly zero tokens.

    [empty]
    
    Inheritance
    AssertionBase<SyntaxKind.EmptyAssertion, SyntaxKind.OpenBracketToken>
    EmptyAssertion

    Constructors

    constructor(openBracketToken, emptyKeyword, closeBracketToken)

    Constructs a new instance of the EmptyAssertion class

    Declaration
    constructor(openBracketToken: Token<SyntaxKind.OpenBracketToken>, emptyKeyword: Token<SyntaxKind.EmptyKeyword>, closeBracketToken: Token<SyntaxKind.CloseBracketToken> | undefined);
    Parameters
    openBracketToken
    Token<SyntaxKind.OpenBracketToken>

    emptyKeyword
    Token<SyntaxKind.EmptyKeyword>

    closeBracketToken
    Token<SyntaxKind.CloseBracketToken> | undefined

    Properties

    edgeCount

    Declaration
    protected get edgeCount(): number;
    Property Value
    number

    emptyKeyword

    Declaration
    readonly emptyKeyword: Token<SyntaxKind.EmptyKeyword>;
    Property Value
    Token<SyntaxKind.EmptyKeyword>

    lastChild

    Declaration
    get lastChild(): Node | undefined;
    Property Value
    Node | undefined

    Methods

    accept(visitor)

    Declaration
    protected accept(visitor: NodeVisitor): EmptyAssertion;
    Parameters
    visitor
    NodeVisitor

    Returns
    EmptyAssertion

    children()

    Declaration
    children(): IterableIterator<Node>;
    Returns
    IterableIterator<Node>

    edgeName(offset)

    Declaration
    protected edgeName(offset: number): string | undefined;
    Parameters
    offset
    number

    Returns
    string | undefined

    edgeValue(offset)

    Declaration
    protected edgeValue(offset: number): Node | ReadonlyArray<Node> | undefined;
    Parameters
    offset
    number

    Returns
    Node | ReadonlyArray<Node> | undefined

    forEachChild(cbNode)

    Declaration
    forEachChild<T>(cbNode: (node: Node) => T | undefined): T | undefined;
    Type Parameters
    T

    Parameters
    cbNode
    (node: Node) => T | undefined

    Returns
    T | undefined

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