diff --git a/builder.js b/builder.js
new file mode 100644
index 0000000..f0fc4f0
--- /dev/null
+++ b/builder.js
@@ -0,0 +1,82 @@
+class Builder {
+ constructor(files) {
+ this.files = files
+ }
+
+ buildModule(file) {
+ const script = document.createElement('script')
+ script.setAttribute('type', 'module')
+ let initAppend = ""
+ let append = ""
+ const data = file.data.replaceAll(
+ /^\s*export\s+(?:class|function|async\s+function|const)\s+(\S+)/gms,
+ (match, p1) => {
+ const path = JSON.stringify(file.name)
+ const mref = `Macchiato.modules[${path}]`
+ const pref = `[${JSON.stringify(p1)}]`
+ initAppend = `\n\n${mref} = {}`
+ const s = `${mref}${pref} = ${p1}`
+ append += "\n" + s
+ return `// append: ${s}\n${match}`
+ }
+ ).replaceAll(
+ /^\s*import\s+(\{[^}]+\})\s+from\s+("[^"]+"|')/gms,
+ (match, p1, p2) => {
+ const vars = p1.replaceAll(' as ', ': ')
+ const importPath = p2.slice(1, -1)
+ const path = JSON.stringify(
+ importPath.slice(
+ importPath.indexOf('/') + 1
+ )
+ )
+ const ref = `Macchiato.modules[${path}]`
+ return `const ${vars} = ${ref}`
+ }
+ )
+ script.textContent = (
+ "\n" + data + initAppend + append + "\n"
+ )
+ return script.outerHTML
+ }
+
+ build() {
+ const modules = this.files.map(file => {
+ return this.buildModule(file)
+ })
+ return `
+
+
+
+ Editor
+
+
+
+${'<'}script type="module">
+window.Macchiato = {modules: {}}
+${'
+${modules.join("\n")}
+${'<'}script type="module">
+
+${'
+
+
+ `.trim()
+ }
+}
\ No newline at end of file