@xyflow/svelte
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Svelte Flow - A highly customizable Svelte library for building node-based editors, workflow systems, diagrams and more.
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TypeScript
import type { Component } from 'svelte';
import type { ClassValue, HTMLAttributes, SVGAttributes } from 'svelte/elements';
import type { EdgeBase, BezierPathOptions, DefaultEdgeOptionsBase, EdgePosition, SmoothStepPathOptions, StepPathOptions } from '@xyflow/system';
import type { Node } from './';
/**
* An `Edge` is the complete description with everything Svelte Flow needs to know in order to
* render it.
* @public
*/
export type Edge<EdgeData extends Record<string, unknown> = Record<string, unknown>, EdgeType extends string | undefined = string | undefined> = EdgeBase<EdgeData, EdgeType> & {
label?: string;
labelStyle?: string;
style?: string;
class?: ClassValue;
focusable?: boolean;
/**
* The ARIA role attribute for the edge, used for accessibility.
* @default "group"
*/
ariaRole?: HTMLAttributes<HTMLElement>['role'];
/**
* General escape hatch for adding custom attributes to the edge's DOM element.
*/
domAttributes?: Omit<SVGAttributes<SVGGElement>, 'id' | 'style' | 'class' | 'role' | 'aria-label' | 'dangerouslySetInnerHTML'>;
};
export type BaseEdgeProps = Pick<EdgeProps, 'interactionWidth' | 'label' | 'labelStyle' | 'style'> & {
id?: string;
/** SVG path of the edge */
path: string;
/** The x coordinate of the label */
labelX?: number;
/** The y coordinate of the label */
labelY?: number;
/**
* The id of the SVG marker to use at the start of the edge. This should be defined in a
* `<defs>` element in a separate SVG document or element. Use the format "url(#markerId)" where markerId is the id of your marker definition.
* @example 'url(#arrow)'
*/
markerStart?: string;
/**
* The id of the SVG marker to use at the end of the edge. This should be defined in a `<defs>`
* element in a separate SVG document or element. Use the format "url(#markerId)" where markerId is the id of your marker definition.
* @example 'url(#arrow)'
*/
markerEnd?: string;
class?: ClassValue;
} & HTMLAttributes<SVGPathElement>;
type SmoothStepEdge<EdgeData extends Record<string, unknown> = Record<string, unknown>> = Edge<EdgeData, 'smoothstep'> & {
pathOptions?: SmoothStepPathOptions;
};
type BezierEdge<EdgeData extends Record<string, unknown> = Record<string, unknown>> = Edge<EdgeData, 'default'> & {
pathOptions?: BezierPathOptions;
};
type StepEdge<EdgeData extends Record<string, unknown> = Record<string, unknown>> = Edge<EdgeData, 'step'> & {
pathOptions?: StepPathOptions;
};
type StraightEdge<EdgeData extends Record<string, unknown> = Record<string, unknown>> = Edge<EdgeData, 'straight'>;
export type BuiltInEdge = SmoothStepEdge | BezierEdge | StepEdge | StraightEdge;
/**
* Custom edge component props.
*/
export type EdgeProps<EdgeType extends Edge = Edge> = Omit<EdgeType, 'sourceHandle' | 'targetHandle'> & EdgePosition & {
type: string;
markerStart?: string;
markerEnd?: string;
sourceHandleId?: string | null;
targetHandleId?: string | null;
};
/**
* Helper type for edge components that get exported by the library.
*/
export type EdgeComponentProps = EdgePosition & {
id?: EdgeProps['id'];
hidden?: EdgeProps['hidden'];
deletable?: EdgeProps['deletable'];
selectable?: EdgeProps['selectable'];
markerStart?: EdgeProps['markerStart'];
markerEnd?: EdgeProps['markerEnd'];
zIndex?: EdgeProps['zIndex'];
ariaLabel?: EdgeProps['ariaLabel'];
interactionWidth?: EdgeProps['interactionWidth'];
label?: EdgeProps['label'];
labelStyle?: EdgeProps['labelStyle'];
style?: EdgeProps['style'];
class?: EdgeProps['class'];
};
export type EdgeComponentWithPathOptions<PathOptions> = EdgeComponentProps & {
pathOptions?: PathOptions;
};
/**
* BezierEdge component props
*/
export type BezierEdgeProps = EdgeComponentWithPathOptions<BezierPathOptions>;
/**
* SmoothStepEdge component props
*/
export type SmoothStepEdgeProps = EdgeComponentWithPathOptions<SmoothStepPathOptions>;
/**
* StepEdge component props
*/
export type StepEdgeProps = EdgeComponentWithPathOptions<StepPathOptions>;
/**
* StraightEdge component props
*/
export type StraightEdgeProps = Omit<EdgeComponentProps, 'sourcePosition' | 'targetPosition'>;
export type EdgeTypes = Record<string, Component<EdgeProps & {
data?: any;
type: any;
}>>;
export type DefaultEdgeOptions = DefaultEdgeOptionsBase<Edge>;
export type EdgeLayouted<EdgeType extends Edge = Edge> = EdgeType & EdgePosition & {
sourceNode?: Node;
targetNode?: Node;
sourceHandleId?: string | null;
targetHandleId?: string | null;
edge: EdgeType;
};
export {};