Interface TreeAdapter<T>

Tree adapter is a set of utility functions that provides minimal required abstraction layer beetween parser and a specific AST format. Note that TreeAdapter is not designed to be a general purpose AST manipulation library. You can build such library on top of existing TreeAdapter or use one of the existing libraries from npm.

See

Have a look at the default tree adapter for reference.

Type Parameters

Hierarchy

  • TreeAdapter

Properties

onItemPop? onItemPush?

Methods

adoptAttributes appendChild createCommentNode createDocument createDocumentFragment createElement detachNode getAttrList getChildNodes getCommentNodeContent getDocumentMode getDocumentTypeNodeName getDocumentTypeNodePublicId getDocumentTypeNodeSystemId getFirstChild getNamespaceURI getNodeSourceCodeLocation getParentNode getTagName getTemplateContent getTextNodeContent insertBefore insertText insertTextBefore isCommentNode isDocumentTypeNode isElementNode isTextNode setDocumentMode setDocumentType setNodeSourceCodeLocation setTemplateContent updateNodeSourceCodeLocation

Properties

Optional onItemPop

onItemPop?: ((item, newTop) => void)

Type declaration

    • (item, newTop): void

    • Optional callback for elements being popped from the stack of open elements.

      Parameters

      • item: T["element"]

        The element being popped.

      • newTop: T["parentNode"]

      Returns void

Optional onItemPush

onItemPush?: ((item) => void)

Type declaration

    • (item): void

    • Optional callback for elements being pushed to the stack of open elements.

      Parameters

      • item: T["element"]

      Returns void

Methods

adoptAttributes

  • Copies attributes to the given element. Only attributes that are not yet present in the element are copied.

    Parameters

    • recipient: T["element"]

      Element to copy attributes into.

    • attrs: Attribute[]

      Attributes to copy.

    Returns void

appendChild

  • Appends a child node to the given parent node.

    Parameters

    • parentNode: T["parentNode"]

      Parent node.

    • newNode: T["childNode"]

      Child node.

    Returns void

createCommentNode

  • Creates a comment node.

    Parameters

    • data: string

      Comment text.

    Returns T["commentNode"]

createDocument

createDocumentFragment

  • Creates a document fragment node.

    Returns T["documentFragment"]

createElement

  • Creates an element node.

    Parameters

    • tagName: string

      Tag name of the element.

    • namespaceURI: NS

      Namespace of the element.

    • attrs: Attribute[]

      Attribute name-value pair array. Foreign attributes may contain namespace and prefix fields as well.

    Returns T["element"]

detachNode

  • Removes a node from its parent.

    Parameters

    • node: T["childNode"]

      Node to remove.

    Returns void

getAttrList

  • Returns the given element's attributes in an array, in the form of name-value pairs. Foreign attributes may contain namespace and prefix fields as well.

    Parameters

    • element: T["element"]

      Element.

    Returns Attribute[]

getChildNodes

  • Returns the given node's children in an array.

    Parameters

    • node: T["parentNode"]

      Node.

    Returns T["childNode"][]

getCommentNodeContent

  • Returns the given comment node's content.

    Parameters

    • commentNode: T["commentNode"]

      Comment node.

    Returns string

getDocumentMode

getDocumentTypeNodeName

  • Returns the given document type node's name.

    Parameters

    • doctypeNode: T["documentType"]

      Document type node.

    Returns string

getDocumentTypeNodePublicId

  • Returns the given document type node's public identifier.

    Parameters

    • doctypeNode: T["documentType"]

      Document type node.

    Returns string

getDocumentTypeNodeSystemId

  • Returns the given document type node's system identifier.

    Parameters

    • doctypeNode: T["documentType"]

      Document type node.

    Returns string

getFirstChild

  • Returns the first child of the given node.

    Parameters

    • node: T["parentNode"]

      Node.

    Returns null | T["childNode"]

getNamespaceURI

getNodeSourceCodeLocation

getParentNode

  • Returns the given node's parent.

    Parameters

    • node: T["node"]

      Node.

    Returns null | T["parentNode"]

getTagName

  • Returns the given element's tag name.

    Parameters

    • element: T["element"]

      Element.

    Returns string

getTemplateContent

  • Returns the <template> element content element.

    Parameters

    • templateElement: T["template"]

      <template> element.

    Returns T["documentFragment"]

getTextNodeContent

  • Returns the given text node's content.

    Parameters

    • textNode: T["textNode"]

      Text node.

    Returns string

insertBefore

  • Inserts a child node to the given parent node before the given reference node.

    Parameters

    • parentNode: T["parentNode"]

      Parent node.

    • newNode: T["childNode"]

      Child node.

    • referenceNode: T["childNode"]

      Reference node.

    Returns void

insertText

  • Inserts text into a node. If the last child of the node is a text node, the provided text will be appended to the text node content. Otherwise, inserts a new text node with the given text.

    Parameters

    • parentNode: T["parentNode"]

      Node to insert text into.

    • text: string

      Text to insert.

    Returns void

insertTextBefore

  • Inserts text into a sibling node that goes before the reference node. If this sibling node is the text node, the provided text will be appended to the text node content. Otherwise, inserts a new sibling text node with the given text before the reference node.

    Parameters

    • parentNode: T["parentNode"]

      Node to insert text into.

    • text: string

      Text to insert.

    • referenceNode: T["childNode"]

      Node to insert text before.

    Returns void

isCommentNode

  • Determines if the given node is a comment node.

    Parameters

    • node: T["node"]

      Node.

    Returns node is T["commentNode"]

isDocumentTypeNode

  • Determines if the given node is a document type node.

    Parameters

    • node: T["node"]

      Node.

    Returns node is T["documentType"]

isElementNode

  • Determines if the given node is an element.

    Parameters

    • node: T["node"]

      Node.

    Returns node is T["element"]

isTextNode

  • Determines if the given node is a text node.

    Parameters

    • node: T["node"]

      Node.

    Returns node is T["textNode"]

setDocumentMode

setDocumentType

  • Sets the document type. If the document already contains a document type node, the name, publicId and systemId properties of this node will be updated with the provided values. Otherwise, creates a new document type node with the given properties and inserts it into the document.

    Parameters

    • document: T["document"]

      Document node.

    • name: string

      Document type name.

    • publicId: string

      Document type public identifier.

    • systemId: string

      Document type system identifier.

    Returns void

setNodeSourceCodeLocation

setTemplateContent

  • Sets the <template> element content element.

    Parameters

    • templateElement: T["template"]

      <template> element.

    • contentElement: T["documentFragment"]

      Content element.

    Returns void

updateNodeSourceCodeLocation

  • Updates the source code location information of the node.

    Parameters

    Returns void

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