rework

graphics.cm

@@ -161,12 +161,12 @@ function create_image(path){
     var raw = decode_image(bytes, ext);
     
     /* ── Case A: single surface (from make_texture) ────────────── */
-    if(raw && raw.width && raw.pixels && !isa(raw, array)) {
+    if(raw && raw.width && raw.pixels && !is_array(raw)) {
       return new graphics.Image(raw)
     }
 
     /* ── Case B: array of surfaces (from make_gif) ────────────── */
-    if(isa(raw, array)) {
+    if(is_array(raw)) {
       // Single frame GIF returns array with one surface
       if(raw.length == 1 && !raw[0].time) {
         return new graphics.Image(raw[0])
@@ -175,16 +175,16 @@ function create_image(path){
       return makeAnim(wrapFrames(raw), true);
     }
 
-    if(typeof raw == 'object' && !raw.width) {
+    if(is_object(raw) && !raw.width) {
       if(raw.surface)
         return new graphics.Image(raw.surface)
       
-      if(raw.frames && isa(raw.frames, array) && raw.loop != null)
+      if(raw.frames && is_array(raw.frames) && raw.loop != null)
         return makeAnim(wrapFrames(raw.frames), !!raw.loop);
       
       def anims = {};
       for(def [name, anim] of Object.entries(raw)){
-        if(anim && isa(anim.frames, array))
+        if(anim && is_array(anim.frames))
           anims[name] = makeAnim(wrapFrames(anim.frames), !!anim.loop);
         else if(anim && anim.surface)
           anims[name] = new graphics.Image(anim.surface);
@@ -250,7 +250,7 @@ graphics.from_surface = function(surf)
 
 graphics.from = function(id, data)
 {
-  if (typeof id != 'string')
+  if (!is_text(id))
     throw new Error('Expected a string ID')
     
   if (data instanceof ArrayBuffer)
@@ -260,7 +260,7 @@ graphics.from = function(id, data)
 graphics.texture = function texture(path) {
   if (path instanceof graphics.Image) return path
   
-  if (typeof path != 'string')
+  if (!is_text(path))
     throw new Error('need a string for graphics.texture')
 
   var parts = path.split(':')
@@ -269,7 +269,7 @@ graphics.texture = function texture(path) {
   var frameIndex = parts[2]
   
   // Handle the case where animName is actually a frame index (e.g., "gears:0")
-  if (animName != null && frameIndex == null && !isa(number(animName), null)) {
+  if (animName != null && frameIndex == null && !is_null(number(animName))) {
     frameIndex = number(animName)
     animName = null
   }
@@ -294,7 +294,7 @@ graphics.texture = function texture(path) {
   // Handle frame index without animation name (e.g., "gears:0")
   if (!animName && frameIndex != null) {
     // If cached is a single animation (has .frames property)
-    if (cached.frames && isa(cached.frames, array)) {
+    if (cached.frames && is_array(cached.frames)) {
       var idx = number(frameIndex)
       if (idx == null) return cached
       // Wrap the index
@@ -318,7 +318,7 @@ graphics.texture = function texture(path) {
   }
   
   // If cached is a single animation (has .frames property)
-  if (cached.frames && isa(cached.frames, array)) {
+  if (cached.frames && is_array(cached.frames)) {
     if (frameIndex != null) {
       var idx = number(frameIndex)
       if (isNaN(idx)) return cached
@@ -331,7 +331,7 @@ graphics.texture = function texture(path) {
   }
   
   // If cached is an object of multiple animations
-  if (typeof cached == 'object' && !cached.frames) {
+  if (is_object(cached) && !cached.frames) {
     var anim = cached[animName]
     if (!anim) 
       throw new Error(`animation ${animName} not found in ${id}`)
@@ -343,7 +343,7 @@ graphics.texture = function texture(path) {
       if (anim instanceof graphics.Image) {
         // Single image animation - any frame index returns the image
         return anim
-      } else if (anim.frames && isa(anim.frames, array)) {
+      } else if (anim.frames && is_array(anim.frames)) {
         // Multi-frame animation - wrap the index
         idx = idx % anim.frames.length
         return anim.frames[idx].image
@@ -412,8 +412,8 @@ var fontcache = {}
 var datas = []
 
 graphics.get_font = function get_font(path) {
-  if (isa(path, object)) return path
-  if (!isa(path, text))
+  if (is_object(path)) return path
+  if (!is_text(path))
     throw new Error(`Can't find font with path: ${path}`)
 
   var parts = path.split('.')