ddd

client/ui/cursor.js

@@ -0,0 +1,30 @@
+(function(root,factory){
+  const api=factory();
+  if(typeof module==='object'&&module.exports)module.exports=api;
+  root.BendCursorModel=api;
+})(typeof globalThis!=='undefined'?globalThis:this,function(){
+  'use strict';
+
+  function createCursorModel(items=[]){
+    const byStyle=new Map();
+    for(const item of items)if(item?.cursorStyle)byStyle.set(item.cursorStyle,Object.freeze({...item}));
+    const item=style=>byStyle.get(String(style||''))||null;
+    const presentation=style=>{
+      const selected=item(style);
+      if(!selected)return Object.freeze({style:'default',mode:'default',asset:null,glyph:'',flag:false,hotspot:Object.freeze([0,0]),pickup:Object.freeze({kind:'default'})});
+      const flag=Boolean(selected.flagAsset),asset=selected.flagAsset||null,glyph=flag?'':selected.cursorEmoji||'';
+      return Object.freeze({
+        style:selected.cursorStyle,
+        mode:'dom',
+        asset,
+        glyph,
+        flag,
+        hotspot:Object.freeze([.5,.5]),
+        pickup:Object.freeze({kind:flag?'flag':'glyph',asset,glyph})
+      });
+    };
+    return Object.freeze({item,presentation,styles:()=>Object.freeze([...byStyle.keys()])});
+  }
+
+  return Object.freeze({createCursorModel});
+});