feat: Implement Translations

Also fixes bug: Translations and Rotations should not be inherited
  into inner grouping nodes.

README.md

@@ -15,7 +15,7 @@ VRML 1.0. Overall, it recognizes and converts
   * All Light nodes
   * Grouping nodes including Transform, Separator, Group, Switch, and WWWAnchor
   * ShapeHints
-  * Rotations
+  * Rotations and Translations
   * All shape nodes including Cube, Cone, Cylinder, Sphere, IndexedFaceSet,
     IndexedLineSet, PointSet, Coordinate3, and Normal
   * All material nodes including Material, TextureCoordinate2, and Texture2

package.json5

@@ -1,6 +1,6 @@
 {
   name: 'vrml1to97',
-  version: '0.3.0',
+  version: '0.3.1',
   description: 'JavaScript converter from VRML 1 to VRML97',
   scripts: {
     test: 'echo "Error: no test specified" && exit 1',

src/index.civet

@@ -205,13 +205,16 @@ function parse(stream: Lexer, tree: DefTree = {}): DefTree
                matches GroupNode
                   parent :=
                      held.value.endsWith('Separator') ? 'Transform' : 'Group'
-                  {children, ...context} := tree
+                  {children, Translation, Rotation, ...context} := tree
                   subTree := parse stream, context
                   if newKids := subTree.children
                      newChild .= `${parent} {\n   `
                      if 'Rotation' in subTree
                         newChild += renderList subTree.Rotation
                         newChild += "\n   "
+                     if 'Translation' in subTree
+                        newChild += renderList subTree.Translation
+                        newChild += "\n   "
                      newChild += `children [\n      ${renderList newKids} ] }\n`
                      addChild newChild, tree
                'ShapeHints'
@@ -227,6 +230,8 @@ function parse(stream: Lexer, tree: DefTree = {}): DefTree
                      tree._definitions[lastDefinition] = [hints]
                'Rotation'
                   tree.Rotation = toksUntilClose stream
+               'Translation'
+                  tree.Translation = toksUntilClose stream
                'Coordinate3'
                   tree.Coordinate = toksUntilClose stream
                'Normal'