diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..61dbebd
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,13 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "request": "attach",
+            "name": "Attach",
+            "type": "node"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..6de865a
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "deno.enable": true,
+}
\ No newline at end of file
diff --git a/deno.json b/deno.json
index 9e26dfe..ccc0eff 100644
--- a/deno.json
+++ b/deno.json
@@ -1 +1,5 @@
-{}
\ No newline at end of file
+{
+    "tasks": {
+        "dbg": "deno run -A --inspect-wait junk/module_inspector.test.ts"
+    }
+}
\ No newline at end of file
diff --git a/deno.lock b/deno.lock
new file mode 100644
index 0000000..02fee21
--- /dev/null
+++ b/deno.lock
@@ -0,0 +1,13 @@
+{
+  "version": "3",
+  "remote": {
+    "https://esm.sh/preact@10.23.1": "5c90e3946c882878ada8f82671a1e2cfc3d307eb1253e83cee74f04194cecf41",
+    "https://esm.sh/preact@10.23.1/compat": "e6e124f2c59692ee4dda7d1b9271a6169c57eaa43077495497a44313195fc859",
+    "https://esm.sh/preact@10.23.1/debug": "8d66a656164fe5d5f40078740a444af0cbf38f4eefe415e7bbf76ceefdde4c32",
+    "https://esm.sh/stable/preact@10.23.1/denonext/compat.js": "49c7e42b0555fab75f189e8317d39a252bbb38b49224badf4a110c6a708954f7",
+    "https://esm.sh/stable/preact@10.23.1/denonext/debug.js": "baec17edc90c1c0ba53a2f64c66b3890779169e71289450634543a5a2aab839a",
+    "https://esm.sh/stable/preact@10.23.1/denonext/devtools.js": "bb198cea043a5878c0367867e1be710e9a11581f8ab10ca0a51091e3d2add74d",
+    "https://esm.sh/stable/preact@10.23.1/denonext/hooks.js": "6962ffaaded3eee1cff070f660b6304007754ef1993d63241d2f3807a10ee21e",
+    "https://esm.sh/stable/preact@10.23.1/denonext/preact.mjs": "c30c9bd2ab4b41104f97c0679413cdfe37ec2fa0131a7c5a1a2d3b6f6fae9670"
+  }
+}
diff --git a/index.html b/index.html
index 5f1dc91..10399b5 100644
--- a/index.html
+++ b/index.html
@@ -1,5 +1,6 @@
 <script type="module" src="test_receiver.mjs"></script>
 
+<!--
 <script type="module">
     import r1 from "./test_rand.mjs?1";
     import r2 from "./test_rand.mjs?2";
@@ -8,4 +9,42 @@
 
     console.log(r1, r2, r3, r4);
 
+</script>-->
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/typescript/4.5.4/typescript.min.js"></script>
+<script type="module">
+
+// TypeScript source code
+const source = `
+export const num: number = 42;
+export function greet() {
+    console.log('Hello, world!');
+}
+`;
+
+// Transpile the TypeScript code to JavaScript
+const result = ts.transpileModule(source, {
+    compilerOptions: { 
+        module: ts.ModuleKind.ESNext, 
+        target: ts.ScriptTarget.ESNext 
+    }
+});
+
+// Parse the AST of the TypeScript source code
+const sourceFile = ts.createSourceFile('module.ts', source, ts.ScriptTarget.ESNext, true);
+
+// Function to inspect the AST and find export declarations
+function findExports(node) {
+    if (ts.isExportDeclaration(node) || ts.isExportAssignment(node)) {
+        console.log('Export found:', node);
+    }
+    ts.forEachChild(node, findExports);
+}
+
+// Traverse the AST
+//findExports(sourceFile);
+
+console.log(sourceFile);
+// Output: export const num = 42; export function greet() { console.log('Hello, world!'); }
+
 </script>
\ No newline at end of file
diff --git a/junk/module_inspector.js b/junk/module_inspector.js
new file mode 100644
index 0000000..dca71ac
--- /dev/null
+++ b/junk/module_inspector.js
@@ -0,0 +1,131 @@
+/**
+ * @typedef {function(string): boolean} GlyphCheck
+ */
+
+/**
+ * @type {GlyphCheck}
+ */
+const isAlphaLike = (inGlyph) => {
+    const inCode = inGlyph.charCodeAt(0);
+
+    if (inCode >= 97 && inCode <= 122) {
+        return true;
+    }
+
+    if (inCode >= 65 && inCode <= 90) {
+        return true;
+    }
+
+    return `$_.`.includes(inGlyph);
+};
+
+/**
+ * @type {GlyphCheck}
+ */
+const isWhiteSpace = (inGlyph) => `\n\r\t `.includes(inGlyph);
+
+/**
+ * @type {GlyphCheck}
+ */
+const isQuote = (inGlyph) => `"'\``.includes(inGlyph);
+
+/**
+ * @param {GlyphCheck} inCheck
+ * @returns {GlyphCheck}
+ */
+const isNot = (inCheck) => (inGlyph) => !inCheck(inGlyph);
+
+/**
+ * @param {string} inText
+ * @param {number} inStart
+ * @param {GlyphCheck} inTest
+ * @returns {number}
+ */
+const contiguous = (inText, inStart, inTest) => {
+    let ok = true;
+    let index = inStart;
+    let count = 0;
+    while (ok && count < inText.length) {
+        count++;
+        ok = inTest(inText.charAt(index++));
+    }
+    return index - 1;
+};
+
+/**
+ * @param {string} inFile
+ * @param {number} [inIndex=0]
+ * @param {Array<{internal: string, external: string}>} inLocal
+ * @param {Array<string>} inForeign
+ * @returns {number|boolean}
+ */
+const findNextExport = (inFile, inIndex = 0, inLocal, inForeign) => {
+    const pos = inFile.indexOf("export", inIndex);
+    if (pos !== -1) {
+        if (!isAlphaLike(inFile.charAt(pos - 1)) || !isAlphaLike(inFile.charAt(pos + 6))) {
+            const nextCharInd = contiguous(inFile, pos + 6, isWhiteSpace);
+            const nextChar = inFile[nextCharInd];
+
+            if (nextChar === "*") {
+                const firstQuoteInd = contiguous(inFile, nextCharInd + 1, isNot(isQuote));
+                const secondQuoteInd = contiguous(inFile, firstQuoteInd + 1, isNot(isQuote));
+                inForeign.push(inFile.substring(nextCharInd, secondQuoteInd + 1));
+            } else if (nextChar == "{") {
+                const endBracketInd = contiguous(inFile, nextCharInd, (inGlyph) => inGlyph !== "}");
+                const nextLetterInd = contiguous(inFile, endBracketInd + 1, isWhiteSpace);
+                if (inFile.substring(nextLetterInd, nextLetterInd + 4) == "from") {
+                    const firstQuoteInd = contiguous(inFile, nextLetterInd + 4, isNot(isQuote));
+                    const secondQuoteInd = contiguous(inFile, firstQuoteInd + 1, isNot(isQuote));
+                    inForeign.push(inFile.substring(nextCharInd, secondQuoteInd + 1));
+                } else {
+                    const members = inFile.substring(nextCharInd + 1, endBracketInd).replaceAll(" as ", "|||").replace(/\s/g, '');
+                    members.split(",").forEach(part => {
+                        const renamed = part.split("|||");
+                        inLocal.push({ internal: renamed, external: renamed || renamed });
+                    });
+                }
+            } else if (isAlphaLike(nextChar)) {
+                const keywordEndInd = contiguous(inFile, nextCharInd, isAlphaLike);
+                const keyword = inFile.substring(nextCharInd, keywordEndInd);
+                if (keyword === "default") {
+                    inLocal.push({ internal: keyword, external: keyword });
+                } else if (["const", "let", "var", "function", "class"].includes(keyword)) {
+                    const varStartInd = contiguous(inFile, keywordEndInd + 1, isWhiteSpace);
+                    const varEndInd = contiguous(inFile, varStartInd + 1, isAlphaLike);
+                    const keyword = inFile.substring(varStartInd, varEndInd);
+                    inLocal.push({ internal: keyword, external: keyword });
+                }
+            }
+        }
+
+        return pos + 7;
+    } else {
+        return false;
+    }
+};
+
+/**
+ * @param {string} inFile
+ * @returns {[local: string[], foreign: string[]]}
+ */
+export const Exports = (inFile) => {
+    let match = /** @type {number|boolean} */ (0);
+    let count = 0;
+    const local = /** @type {string[]} */ ([]);
+    const foreign = /** @type {string[]} */ ([]);
+    while (match !== false && count < 200) {
+        count++;
+        match = findNextExport(inFile, match, local, foreign);
+    }
+    return [local, foreign];
+};
+
+/**
+ * @param {string|URL} inURL
+ * @returns {Promise<[local: string[], foreign: string[]]>}
+ */
+export const FileExports = async (inURL) => {
+    const resp = await fetch(inURL);
+    const text = await resp.text();
+    return Exports(text);
+};
diff --git a/junk/module_inspector.test.ts b/junk/module_inspector.test.ts
index 285801c..b2a1db7 100644
--- a/junk/module_inspector.test.ts
+++ b/junk/module_inspector.test.ts
@@ -1,12 +1,14 @@
 import * as Inspector from "./module_inspector.ts";
 
+console.log();
+
 Deno.test("check string parsing", ()=>{
 
     const [local, global] = Inspector.Exports(`
 // export in comment
 /**
  * 
-* export const TESTtt
+* export const 
  * /
 const fakeexport =()=>{};
 const exportfake =()=>{};
diff --git a/junk/module_inspector.ts b/junk/module_inspector.ts
index 7c72d67..53e774a 100644
--- a/junk/module_inspector.ts
+++ b/junk/module_inspector.ts
@@ -32,7 +32,7 @@ const contiguous =(inText:string, inStart:number, inTest:GlyphCheck):number=>
     return index-1;
 }
 
-const findNextExport =(inFile:string, inIndex=0, inLocal:Array<string>, inForeign:Array<string>)=>
+const findNextExport =(inFile:string, inIndex=0, inLocal:Array<{internal:string, external:string }>, inForeign:Array<string>)=>
 {
     const pos = inFile.indexOf("export", inIndex);
     if(pos !== -1)
@@ -65,11 +65,12 @@ const findNextExport =(inFile:string, inIndex=0, inLocal:Array<string>, inForeig
                 }
                 else
                 {
-                    const members = inFile.substring(nextCharInd+1, endBracketInd).replace(/\s/g, '');
+                    const members = inFile.substring(nextCharInd+1, endBracketInd).replaceAll(" as ", "|||").replace(/\s/g, '');
                     members.split(",").forEach(part=>
                     {
-                        const renamed = part.split(" as ");
-                        inLocal.push(renamed[1] || renamed[0]);
+                        const renamed = part.split("|||");
+                        //inLocal.push(renamed[1] || renamed[0]);
+                        inLocal.push({internal:renamed[0], external:renamed[1]||renamed[0]})
                     });
                 }
                 
@@ -80,7 +81,7 @@ const findNextExport =(inFile:string, inIndex=0, inLocal:Array<string>, inForeig
                 const keyword = inFile.substring(nextCharInd, keywordEndInd);
                 if(keyword === "default")
                 {
-                    inLocal.push(keyword);
+                    inLocal.push({internal:keyword, external:keyword});
                     //console.log(`MEMBER: >>${keyword})}<<`);
                 }
                 else if(["const", "let", "var", "function", "class"].includes(keyword))
@@ -88,7 +89,8 @@ const findNextExport =(inFile:string, inIndex=0, inLocal:Array<string>, inForeig
                     const varStartInd = contiguous(inFile, keywordEndInd+1, isWhiteSpace);
                     const varEndInd = contiguous(inFile, varStartInd+1, isAlphaLike);
                     //console.log(`MEMBER: >>${inFile.substring(varStartInd, varEndInd)}<<`);
-                    inLocal.push(inFile.substring(varStartInd, varEndInd))
+                    const keyword = inFile.substring(varStartInd, varEndInd);
+                    inLocal.push({internal:keyword, external:keyword});
                 }
             }
         }
diff --git a/preactthing.tsx b/preactthing.tsx
new file mode 100644
index 0000000..12f074a
--- /dev/null
+++ b/preactthing.tsx
@@ -0,0 +1,43 @@
+import { useState as preactUseState, useEffect as preactUseEffect } from 'preact/hooks';
+import { useState as reactUseState, useEffect as reactUseEffect } from 'react';
+import { options as preactOptions } from 'preact';
+
+const isPreact = typeof preactUseState === 'function';
+
+const useState = isPreact ? preactUseState : reactUseState;
+const useEffect = isPreact ? preactUseEffect : reactUseEffect;
+
+function useLogger(componentName) {
+  useEffect(() => {
+    console.log(`${isPreact ? 'Preact' : 'React'}: Component ${componentName} mounted`);
+    return () => {
+      console.log(`${isPreact ? 'Preact' : 'React'}: Component ${componentName} unmounted`);
+    };
+  }, [componentName]);
+
+  useEffect(() => {
+    console.log(`${isPreact ? 'Preact' : 'React'}: Component ${componentName} rendered`);
+  });
+}
+
+if (isPreact) {
+  preactOptions.__r = (vnode) => {
+    console.log('Preact: Rendering component:', vnode);
+  };
+
+  preactOptions.diffed = (vnode) => {
+    console.log('Preact: Component diffed:', vnode);
+  };
+
+  preactOptions.unmount = (vnode) => {
+    console.log('Preact: Unmounting component:', vnode);
+  };
+}
+
+// Example component using the custom hook
+function MyComponent() {
+  useLogger('MyComponent');
+  return <div>My Component</div>;
+}
+
+export default MyComponent;
diff --git a/state-preserve/index.html b/state-preserve/index.html
new file mode 100644
index 0000000..45951ef
--- /dev/null
+++ b/state-preserve/index.html
@@ -0,0 +1,7 @@
+<html>
+<head></head>
+<body>
+    <div id="app"></div>
+    <script type="module" src="./preact.js"></script>
+</body>
+</html>
\ No newline at end of file
diff --git a/state-preserve/preact.js b/state-preserve/preact.js
new file mode 100644
index 0000000..fe3c3b8
--- /dev/null
+++ b/state-preserve/preact.js
@@ -0,0 +1,30 @@
+import "https://esm.sh/preact@10.23.1/debug";
+import * as Preact from "https://esm.sh/preact@10.23.1";
+import * as React from "https://esm.sh/preact@10.23.1/compat";
+const H = Preact.h;
+
+console.log(React);
+
+/** @typedef {(vnode:Preact.VNode)=>unknown} DeepHook*/
+
+/** @type {DeepHook|undefined} */
+const renderOld =Preact.options.__r;
+
+/** @type {DeepHook} */
+const renderNew =(vnode)=>
+{
+    console.log("render!")
+    console.log(vnode);
+    // how to examine state context here?
+};
+
+Preact.options.__r = renderOld ? /**@type{DeepHook}*/((vnode)=>{renderOld(vnode); renderNew(vnode);}) : renderNew;
+
+const Component =()=>
+{
+    const [countGet, countSet] = React.useState(3);
+    return H("h1", {onClick(){countSet(countGet+1)}}, `count: ${countGet}`);
+}
+
+const root = document.querySelector("#app")||document.body;
+Preact.render(H(Component, {HEY:"HEY"}), root);
\ No newline at end of file
diff --git a/test_changer.mjs b/test_changer.mjs
index 1f30936..b03ae51 100644
--- a/test_changer.mjs
+++ b/test_changer.mjs
@@ -1,14 +1,20 @@
-export let changing = 2;
+export let changing = 42;
 
+////////////////////////////////////////////
+let ReImported = {};
 const thisURL = new URL(import.meta.url)
 const thisFile = thisURL.pathname;
 if(!thisURL.search)
 {
     setInterval(()=>{
         import(thisFile+"?"+Math.random()).then(module=>{
-            
-            changing = module.changing;
-            console.log(changing);
+            ReImported = module;
+            for(let key in module)
+            {
+                const statement = `${key}=ReImported.${key}`
+                eval(statement);
+                console.log(statement);
+            }
         })
     }, 3000);
 }
\ No newline at end of file
diff --git a/transpiler/index.html b/transpiler/index.html
new file mode 100644
index 0000000..8171c0c
--- /dev/null
+++ b/transpiler/index.html
@@ -0,0 +1,27 @@
+<html>
+<head></head>
+<body style="display: flex; gap: 30px;">
+<textarea id="input"></textarea>
+<button style="align-self: center;" id="transpile">→</button>
+<textarea id="output"></textarea>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/typescript/4.5.4/typescript.min.js"></script>
+<script type="module">
+const domIn = document.getElementById("input");
+const domOut = document.getElementById("output");
+const domDo = document.getElementById("transpile");
+
+domDo.addEventListener("click", ()=>{
+    const result = ts.transpileModule(domIn.value, {
+        compilerOptions: { 
+            module: ts.ModuleKind.ESNext, 
+            target: ts.ScriptTarget.ESNext 
+        }
+    });   
+    domOut.value = result.outputText
+    console.log(result); 
+})
+
+</script>
+
+</body>
+</html>
\ No newline at end of file