tldraw/lib/code/polyline.ts

import CodeShape from "./index"
import { v4 as uuid } from "uuid"
import { PolylineShape, ShapeType } from "types"
import { vectorToPoint } from "utils/utils"

export default class Polyline extends CodeShape<PolylineShape> {
  constructor(props = {} as Partial<PolylineShape>) {
    props.point = vectorToPoint(props.point)
    props.points = props.points.map(vectorToPoint)

    super({
      id: uuid(),
      type: ShapeType.Polyline,
      isGenerated: true,
      name: "Polyline",
      parentId: "page0",
      childIndex: 0,
      point: [0, 0],
      points: [[0, 0]],
      rotation: 0,
      style: {
        fill: "none",
        stroke: "#000",
        strokeWidth: 1,
      },
      ...props,
    })
  }

  export() {
    const shape = { ...this.shape }

    shape.point = vectorToPoint(shape.point)
    shape.points = shape.points.map(vectorToPoint)

    return shape
  }

  get points() {
    return this.shape.points
  }
}