refactor(tiny-refresh): remove ./transform exports from root (#171)

Author: hi-ogawa

packages/tiny-refresh/README.md

@@ -12,6 +12,7 @@ This simplified runtime architecture is inspired by [`solid-refresh`](https://gi
 - By default, any change will cause components to remount and thus hook states are not preserved.
 - Adding `// @hmr-unsafe` comment above the component definition will preserve hook states, but each hot update must keep same hook count.
 - Each component will be wrapped with extra component `(ComponentName)_refresh`.
+- Changing constants outside of component defnition won't trigger refresh since `Function.toString` is used to detect change.
 
 ## usages
 

packages/tiny-refresh/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hiogawa/tiny-refresh",
-  "version": "0.0.1-pre.8",
+  "version": "0.0.1-pre.9",
   "homepage": "https://github.com/hi-ogawa/js-utils/tree/main/packages/tiny-refresh",
   "repository": {
     "type": "git",

packages/tiny-refresh/src/index.ts

@@ -1,2 +1 @@
 export * from "./runtime";
-export * from "./transform";

packages/tiny-refresh/src/transform.ts

@@ -17,7 +17,7 @@ export function hmrTransform(
   const extraCodes: string[] = [];
 
   for (let i = 0; i < lines.length; i++) {
-    const prevLine = lines[i - 1] || ""; // TODO: it should be "??" but it breaks old webpack.
+    const prevLine = lines[i - 1] ?? "";
     const line = lines[i];
     // disable per file
     if (line.startsWith("// @hmr-disable-all")) {
@@ -53,8 +53,8 @@ export function hmrTransform(
   return [
     headerCode(
       options.runtime,
-      options.refreshRuntime || "@hiogawa/tiny-refresh",
-      options.debug || false
+      options.refreshRuntime ?? "@hiogawa/tiny-refresh",
+      options.debug ?? false
     ),
     ...newLines,
     ...extraCodes,