Raisins Core

Raisins in a WYSIWYG visual editor for HTML and web components. The core package provides utility functions that are used to validate the HTML being edited and provide additional data, such as parent / child slot validation, locations for moving a node from one location to another, and more.

Available Functions

Function	description	Returns
htmlSerializer	Renders a DOM node or an array of DOM nodes to a string	string
htmlParser	Parses HTML into a RaisinDocumentNode	RaisinDocumentNode
isNodeWithChildren	Determines whether the node has any children	boolean
isElementNode	Determines if the given node is an HTML element	boolean
isRoot	Determines if the given node is the root element	boolean
isStyleNode	Determines if the given node is a style element	boolean
isTextNode	Determines if the given node is a text-only node	boolean
isCommentNode	Determines if the given node is an HTML comment	boolean
isDirectiveNode	Determines if the given node is a directive (eg. <!doctype ...>)	boolean
getSlots	Returns the available slots based on a node and metadata	NodeWithSlots | undefined
doesChildAllowParent	Given a tag's metadata, checks if it allows children	boolean
doesParentAllowChild	Given a child and it's parent's metadata, checks if the parent will allow the child to be embedded	boolean
isNodeAllowed	Given two nodes and their metadata, check each side to determine if the parent allows the child, and the child allows the parent	boolean
validateNode	Given a node and its meta, return errors of any type	ErrorStack
validateChildConstraints	Given a node and its meta, return errors if either of the parent or child are in an invalid position	ErrorStack
validateAttributes	Given a node and its meta, return errors if any attributes have invalid values	ErrorStack
generateJsonPointers	Generate a set of JSON Pointers for all descendents of a RaisinNode	WeakMap<RaisinNode, string>
getSubErrors	Given a JSON Pointer, return any errors that are descendants of the node at the given pointer	ErrorStack
hasSubErrors	Given a JSON Pointer, return true if there are any descendants of the node at the given pointer	boolean
removeError	Given a JSON Pointer, remove the error at that path and return a new list of errors	ErrorStack
calculatePlopTargets	Given a parent RaisinNode, a potential plop target as a RaisinNode and any metadata, return a PlopTarget for each valid position	PlopTarget[]
getNode	Given the root node and a NodePath, return the RaisinNode	RaisinNode
getPath	Given the root node and a descendant node, return a NodePath if it's found	NodePath | undefined
cssSerializer	Converts a plain CSS node AST into a css string	string
cssParser	Parses a CSS expression and returns a pure js object AST representation of the content	CssNodePlain
cssSelector	Given a RaisinDocumentNode and a css query string, return all matches found as RaisinElementNode[]	RaisinElementNode[]

Other Exports

• HTMLComponents
  • Mappings for all HTML Elements as CustomElements for use in the raisins ecosystem
• DefaultTextMarks
  • An array of all HTML Elements that should be treated as text nodes for editing purposes
• htmlUtil
  • A library of HTML Utility functions
• cssUtil
  • A library of CSS Utility functions