Tldraw/packages/tlschema/src/bindings/TLArrowBinding.ts

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TypeScript

import { T } from '@tldraw/validate'
import { VecModel, vecModelValidator } from '../misc/geometry-types'
import { createBindingPropsMigrationSequence } from '../records/TLBinding'
import { RecordProps } from '../recordsWithProps'
import { arrowShapeVersions } from '../shapes/TLArrowShape'
import { TLBaseBinding } from './TLBaseBinding'
/** @public */
export interface TLArrowBindingProps {
terminal: 'start' | 'end'
normalizedAnchor: VecModel
/**
* exact is whether the arrow head 'enters' the bound shape to point directly at the binding
* anchor point
*/
isExact: boolean
/**
* precise is whether to bind to the normalizedAnchor, or to the middle of the shape
*/
isPrecise: boolean
}
/** @public */
export const arrowBindingProps: RecordProps<TLArrowBinding> = {
terminal: T.literalEnum('start', 'end'),
normalizedAnchor: vecModelValidator,
isExact: T.boolean,
isPrecise: T.boolean,
}
/** @public */
export type TLArrowBinding = TLBaseBinding<'arrow', TLArrowBindingProps>
export const arrowBindingVersions = {} as const
/** @public */
export const arrowBindingMigrations = createBindingPropsMigrationSequence({
sequence: [{ dependsOn: [arrowShapeVersions.ExtractBindings] }],
})