tldraw/__tests__/test-utils.ts
2021-06-29 13:00:59 +01:00

89 lines
1.9 KiB
TypeScript

import { Data, Shape, ShapeType } from 'types'
import tld from 'utils/tld'
export const rectangleId = '1f6c251c-e12e-40b4-8dd2-c1847d80b72f'
export const arrowId = '5ca167d7-54de-47c9-aa8f-86affa25e44d'
interface PointerOptions {
id?: string
x?: number
y?: number
shiftKey?: boolean
altKey?: boolean
ctrlKey?: boolean
}
export function point(
options: PointerOptions = {} as PointerOptions
): PointerEvent {
const {
id = '1',
x = 0,
y = 0,
shiftKey = false,
altKey = false,
ctrlKey = false,
} = options
return {
shiftKey,
altKey,
ctrlKey,
pointerId: id,
clientX: x,
clientY: y,
} as any
}
export function idsAreSelected(
data: Data,
ids: string[],
strict = true
): boolean {
const selectedIds = tld.getSelectedIds(data)
return (
(strict ? selectedIds.size === ids.length : true) &&
ids.every((id) => selectedIds.has(id))
)
}
export function hasParent(
data: Data,
childId: string,
parentId: string
): boolean {
return tld.getShape(data, childId).parentId === parentId
}
export function getOnlySelectedShape(data: Data): Shape {
const selectedShapes = tld.getSelectedShapes(data)
return selectedShapes.length === 1 ? selectedShapes[0] : undefined
}
export function assertShapeType(
data: Data,
shapeId: string,
type: ShapeType
): boolean {
const shape = tld.getShape(data, shapeId)
if (shape.type !== type) {
throw new TypeError(
`expected shape ${shapeId} to be of type ${type}, found ${shape?.type} instead`
)
}
return true
}
export function assertShapeProps<T extends Shape>(
shape: T,
props: { [K in keyof Partial<T>]: T[K] }
): boolean {
for (const key in props) {
if (shape[key] !== props[key]) {
throw new TypeError(
`expected shape ${shape.id} to have property ${key}: ${props[key]}, found ${key}: ${shape[key]} instead`
)
}
}
return true
}