reorg(modeling): reworked some create functions to use JS defaults

Author: z3dev

jsdoc.json

@@ -10,6 +10,7 @@
       "packages/modeling/src/geometries/geom2",
       "packages/modeling/src/geometries/geom3",
       "packages/modeling/src/geometries/path2",
+      "packages/modeling/src/geometries/path3",
       "packages/modeling/src/geometries/poly2",
       "packages/modeling/src/geometries/poly3",
       "packages/modeling/src/geometries/slice",

packages/modeling/src/geometries/geom3/create.js

@@ -24,12 +24,4 @@ import * as mat4 from '../../maths/mat4/index.js'
  * @returns {Geom3} a new geometry
  * @alias module:modeling/geometries/geom3.create
  */
-export const create = (polygons) => {
-  if (polygons === undefined) {
-    polygons = [] // empty contents
-  }
-  return {
-    polygons,
-    transforms: mat4.create()
-  }
-}
+export const create = (polygons = []) => ({ polygons, transforms: mat4.create() })

packages/modeling/src/geometries/path2/create.js

@@ -21,13 +21,4 @@ import * as mat4 from '../../maths/mat4/index.js'
  * @example
  * let newPath = create()
  */
-export const create = (points) => {
-  if (points === undefined) {
-    points = []
-  }
-  return {
-    points: points,
-    isClosed: false,
-    transforms: mat4.create()
-  }
-}
+export const create = (points = []) => ({ points: points, isClosed: false, transforms: mat4.create() })

packages/modeling/src/geometries/poly2/create.js

@@ -15,9 +15,4 @@
  * @example
  * let polygon = create([[0,0], [4,0], [4,3]])
  */
-export const create = (points) => {
-  if (points === undefined || points.length < 3) {
-    points = [] // empty contents
-  }
-  return { points }
-}
+export const create = (points = []) => ({ points })

packages/modeling/src/geometries/poly3/create.js

@@ -16,9 +16,4 @@
  * @example
  * const polygon = create([[1, 0], [0, 1], [0, 0]])
  */
-export const create = (vertices) => {
-  if (vertices === undefined || vertices.length < 3) {
-    vertices = [] // empty contents
-  }
-  return { vertices }
-}
+export const create = (vertices = []) => ({ vertices })