add readme preview

components/MarkdownRenderer.tsx

@@ -5,13 +5,17 @@ export function MarkdownRenderer(props: { text: string | undefined }) {
   if (text === undefined) {
     text = "";
   }
+  let c = text;
+  if (text.startsWith("---")) {
     const index = text.indexOf("\n---", 3);
-  const c = text.slice(index + 4, text.length);
+    c = text.slice(index + 4, text.length);
+  }
   return (
     <div
       class="markdown-body"
       dangerouslySetInnerHTML={{ __html: marked.parse(c) }}
-    />
+    >
+    </div>
   );
 }
 

fresh.gen.ts

@@ -5,34 +5,29 @@
 import config from "./deno.json" assert { type: "json" };
 import * as $0 from "./routes/_404.tsx";
 import * as $1 from "./routes/_middleware.ts";
-import * as $2 from "./routes/api/doc.ts";
-import * as $3 from "./routes/api/login.ts";
-import * as $4 from "./routes/api/logout.ts";
-import * as $5 from "./routes/dir/[...path].tsx";
-import * as $6 from "./routes/doc/index.tsx";
-import * as $7 from "./routes/fs/[...path].ts";
-import * as $8 from "./routes/index.tsx";
-import * as $9 from "./routes/login.tsx";
+import * as $2 from "./routes/api/login.ts";
+import * as $3 from "./routes/api/logout.ts";
+import * as $4 from "./routes/dir/[...path].tsx";
+import * as $5 from "./routes/doc/index.tsx";
+import * as $6 from "./routes/index.tsx";
+import * as $7 from "./routes/login.tsx";
 import * as $$0 from "./islands/ContentRenderer.tsx";
 import * as $$1 from "./islands/Counter.tsx";
 import * as $$2 from "./islands/DirList.tsx";
 import * as $$3 from "./islands/DocSearch.tsx";
 import * as $$4 from "./islands/FileViewer.tsx";
-import * as $$5 from "./islands/MarkdownRenderer.tsx";
-import * as $$6 from "./islands/UpList.tsx";
+import * as $$5 from "./islands/UpList.tsx";
 
 const manifest = {
   routes: {
     "./routes/_404.tsx": $0,
     "./routes/_middleware.ts": $1,
-    "./routes/api/doc.ts": $2,
-    "./routes/api/login.ts": $3,
-    "./routes/api/logout.ts": $4,
-    "./routes/dir/[...path].tsx": $5,
-    "./routes/doc/index.tsx": $6,
-    "./routes/fs/[...path].ts": $7,
-    "./routes/index.tsx": $8,
-    "./routes/login.tsx": $9,
+    "./routes/api/login.ts": $2,
+    "./routes/api/logout.ts": $3,
+    "./routes/dir/[...path].tsx": $4,
+    "./routes/doc/index.tsx": $5,
+    "./routes/index.tsx": $6,
+    "./routes/login.tsx": $7,
   },
   islands: {
     "./islands/ContentRenderer.tsx": $$0,
@@ -40,8 +35,7 @@ const manifest = {
     "./islands/DirList.tsx": $$2,
     "./islands/DocSearch.tsx": $$3,
     "./islands/FileViewer.tsx": $$4,
-    "./islands/MarkdownRenderer.tsx": $$5,
-    "./islands/UpList.tsx": $$6,
+    "./islands/UpList.tsx": $$5,
   },
   baseUrl: import.meta.url,
   config,

islands/ContentRenderer.tsx

@@ -1,5 +1,5 @@
 import { extname } from "path/posix.ts";
-import MarkdownRenderer from "./MarkdownRenderer.tsx";
+import MarkdownRenderer from "../components/MarkdownRenderer.tsx";
 import { useEffect, useState } from "preact/hooks";
 
 const TypeToExt = {
@@ -25,8 +25,13 @@ function FetchAndRender(props: { src: string; type: string }) {
   const ext = extname(src);
   const [content, setContent] = useState("");
   useEffect(() => {
-    fetch(src).then((res) => res.text()).then(setContent);
+    (async () => {
+      const res = await fetch(src);
+      const content = await res.text();
+      setContent(content);
+    })();
   }, [src]);
+
   switch (props.type) {
     case "text":
       return <div style={{ whiteSpace: "pre-wrap" }}>{content}</div>;
@@ -41,7 +46,7 @@ function FetchAndRender(props: { src: string; type: string }) {
     //case "csv":
     //    return <CsvRenderer content={content} />;
     default:
-      return <>error: invalid type: {props.type} content: {content}</>;
+      return <p>error: invalid type: {props.type} content: {content}</p>;
   }
 }
 
@@ -62,7 +67,7 @@ export function RenderView(props: { src: string }) {
     case "audio":
       return <audio style={{ width: "100%" }} controls src={src} />;
     default:
-      return <>error: invalid type: {type} src: {src}</>;
+      return <p>error: invalid type: {type} src: {src}</p>;
   }
 }
 

islands/DirList.tsx

@@ -53,7 +53,7 @@ export function DirList(props: DirListProps) {
         </li>
         <ListItem
           key=".."
-          href={`/dir/${encodePath(join(data.path, ".."))}`}
+          href={`/dir/${encodePath(join(data.path, ".."))}?pretty`}
           icon="/icon/back.svg"
         >
           ...
@@ -61,7 +61,7 @@ export function DirList(props: DirListProps) {
         {files.map((file) => (
           <ListItem
             key={file.name}
-            href={`/dir/${encodePath(join(data.path, file.name))}`}
+            href={`/dir/${encodePath(join(data.path, file.name))}?pretty`}
             icon={file.isDirectory
               ? "/icon/folder.svg"
               : extToIcon(extname(file.name))}

islands/DocSearch.tsx

@@ -2,6 +2,7 @@ import { Doc } from "../src/collect.ts";
 import { useEffect, useState } from "preact/hooks";
 import { Index } from "../src/client_search.ts";
 import { encodePath } from "../util/util.ts";
+import { join } from "path/mod.ts";
 
 function SearchBar(props: {
   search?: string;
@@ -43,11 +44,14 @@ export default function DocSearch(props: {
       </SearchBar>
       <h1 class="text-2xl font-bold">Doc</h1>
       <ul class="mt-4">
-        {docs.map((doc) => (
-          <li class="mt-2">
-            <a href={`/dir/${encodePath(doc.path)}`}>{doc.path}</a>
+        {docs.map((doc) => {
+          const path = join(doc.path, "..");
+          return (
+            <li class="mt-2" key={path}>
+              <a href={`/dir/${encodePath(path)}?pretty`}>{path}</a>
             </li>
-        ))}
+          );
+        })}
       </ul>
     </>
   );

islands/FileViewer.tsx

@@ -5,7 +5,7 @@ import { encodePath } from "../util/util.ts";
 
 export default function FileViewer(props: { path: string }) {
   const { path } = props;
-  const srcPath = `/fs/${encodePath(path)}`;
+  const srcPath = `/dir/${encodePath(path)}`;
   return (
     <div class="p-4 mx-auto max-w-screen-md">
       <UpList path={path} />

islands/UpList.tsx

@@ -22,7 +22,10 @@ export default function UpList(props: { path: string }) {
   return (
     <div>
       <h1 class={"text-2xl flex flex-wrap"}>
-        <a href="/dir/" class="flex flex-wrap p-2 hover:bg-gray-400 rounded-sm">
+        <a
+          href="/dir/?pretty"
+          class="flex flex-wrap p-2 hover:bg-gray-400 rounded-sm"
+        >
           <img src={asset("/icon/house.svg")} />
           <span class="ml-1">Home</span>
         </a>
@@ -31,7 +34,7 @@ export default function UpList(props: { path: string }) {
             <span class="p-2">/</span>
             <a
               class="flex flex-wrap p-2 hover:bg-gray-400 rounded-sm"
-              href={`/dir/${encodePath(cur)}`}
+              href={`/dir/${encodePath(cur)}?pretty`}
             >
               <img src={asset("/icon/folder.svg")} />
               <span class="ml-1">{up}</span>

main.ts

@@ -26,13 +26,12 @@ import { user_command } from "./user.ts";
 import { key_out_cmd } from "./keyout.ts";
 import { prepareDocs } from "./src/store/doc.ts";
 
-const github_markdown = await Deno.readTextFile(
+const github_markdown = (await Deno.readTextFile(
   join(fromFileUrl(import.meta.url), "..", "static", "github-markdown.css"),
-);
+)).replaceAll("\n", "");
 
 const CSSPlugin: Plugin = {
   name: "css plugin",
-  // deno-lint-ignore require-await
   render(ctx): PluginRenderResult {
     ctx.render();
     return {

routes/dir/[...path].tsx

@@ -1,9 +1,11 @@
 import { HandlerContext, Handlers, PageProps } from "$fresh/server.ts";
 import { asset, Head } from "$fresh/runtime.ts";
-import { removePrefixFromPathname } from "../../util/util.ts";
+import { encodePath, removePrefixFromPathname } from "../../util/util.ts";
 import { join } from "path/posix.ts";
 import DirList, { EntryInfo } from "../../islands/DirList.tsx";
 import FileViewer from "../../islands/FileViewer.tsx";
+import RenderView from "../../islands/ContentRenderer.tsx";
+import { serveFile } from "http/file_server.ts";
 
 type DirProps = {
   type: "dir";
@@ -19,27 +21,60 @@ type FileProps = {
 
 type DirOrFileProps = DirProps | FileProps;
 
-async function GET(req: Request, ctx: HandlerContext): Promise<Response> {
-  const authRequired = Deno.env.get("AUTH_REQUIRED") === "true";
-  if (authRequired) {
-    const login = ctx.state["login"];
-    if (!login) {
-      return new Response(null, {
-        status: 302,
+async function renderFile(req: Request, path: string) {
+  try {
+    const fileInfo = await Deno.stat(path);
+    if (fileInfo.isDirectory) {
+      // if index.html exists, serve it.
+      // otherwise, serve a directory listing.
+      const indexPath = join(path, "/index.html");
+      try {
+        await Deno.stat(indexPath);
+        const res = await serveFile(req, indexPath);
+        return res;
+      } catch (e) {
+        if (e instanceof Deno.errors.NotFound) {
+          const list: Deno.DirEntry[] = [];
+          for await (const entry of Deno.readDir(path)) {
+            list.push(entry);
+          }
+          return new Response(
+            JSON.stringify(
+              list,
+            ),
+            {
               headers: {
-          "Location": "/login",
-          "content-type": "text/plain",
+                "content-type": "application/json",
                 "Access-Control-Allow-Origin": "*",
-          "Access-Control-Allow-Methods": "GET,HEAD,PUT,PATCH,POST,DELETE",
+                "Access-Control-Allow-Methods":
+                  "GET,HEAD,PUT,PATCH,POST,DELETE",
                 "Access-Control-Allow-Headers":
                   "Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With",
               },
+              status: 200,
+            },
+          );
+        }
+      }
+    }
+    const res = await serveFile(req, path, {
+      fileInfo,
+    });
+    return res;
+  } catch (e) {
+    if (e instanceof Deno.errors.NotFound) {
+      return new Response("Not Found", {
+        status: 404,
       });
     }
+    throw e;
   }
-  const url = new URL(req.url);
-  const path = removePrefixFromPathname(decodeURI(url.pathname), "/dir");
+}
+
+async function renderPage(_req: Request, path: string, ctx: HandlerContext) {
+  try {
     const stat = await Deno.stat(path);
+
     if (stat.isDirectory) {
       const filesIter = await Deno.readDir(path);
       const files: EntryInfo[] = [];
@@ -64,14 +99,76 @@ async function GET(req: Request, ctx: HandlerContext): Promise<Response> {
         path,
       });
     }
+  } catch (e) {
+    if (e instanceof Deno.errors.NotFound) {
+      return await ctx.renderNotFound();
+    }
+    throw e;
+  }
+}
+
+async function GET(req: Request, ctx: HandlerContext): Promise<Response> {
+  const authRequired = Deno.env.get("AUTH_REQUIRED") === "true";
+  if (authRequired) {
+    const login = ctx.state["login"];
+    //console.log("login", login);
+    if (!login) {
+      return new Response(null, {
+        status: 302,
+        headers: {
+          "Location": "/login",
+          "content-type": "text/plain",
+          "Access-Control-Allow-Origin": "*",
+          "Access-Control-Allow-Methods": "GET,HEAD,PUT,PATCH,POST,DELETE",
+          "Access-Control-Allow-Headers":
+            "Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With",
+        },
+      });
+    }
+  }
+  const url = new URL(req.url);
+  const path = removePrefixFromPathname(decodeURI(url.pathname), "/dir");
+  if (url.searchParams.has("pretty")) {
+    return await renderPage(req, path, ctx);
+  } else {
+    return await renderFile(req, path);
+  }
 }
 
 export const handler: Handlers = {
   GET,
 };
 
+function isImageFile(path: string) {
+  return /\.(jpg|jpeg|png|gif|webp|svg|bmp|ico|tiff)$/i.test(path);
+}
+
+function searchFiles(path: EntryInfo[], fn: (path: EntryInfo) => boolean) {
+  const candiate = path.filter(fn);
+  if (candiate.length > 0) {
+    return candiate[0];
+  }
+  return null;
+}
+
 export default function DirLists(props: PageProps<DirOrFileProps>) {
   const data = props.data;
+  let cover = null, index = null, content = null;
+  if (data.type === "dir") {
+    cover = searchFiles(data.files, (f) => isImageFile(f.name));
+    index = searchFiles(data.files, (f) => f.name === "index.html");
+    const contentFilenameCandidate = new Set([
+      "SUMMARY.md",
+      "README.md",
+      "readme.md",
+      "README.txt",
+      "readme.txt",
+    ]);
+    content = searchFiles(
+      data.files,
+      (f) => contentFilenameCandidate.has(f.name),
+    );
+  }
   return (
     <>
       <Head>
@@ -81,6 +178,38 @@ export default function DirLists(props: PageProps<DirOrFileProps>) {
         {data.type === "dir"
           ? <DirList path={data.path} files={data.files}></DirList>
           : <FileViewer path={data.path}></FileViewer>}
+        {index
+          ? (
+            <a
+              href={`/dir/${encodePath(join(data.path, index.name))}`}
+            >
+              {cover
+                ? (
+                  <img
+                    src={`/dir/${encodePath(join(data.path, cover.name))}`}
+                  />
+                )
+                : (
+                  <span class="border-2 border-gray-300 rounded-md p-2 block mt-2">
+                    Index
+                  </span>
+                )}
+            </a>
+          )
+          : null}
+        {content
+          ? (
+            <div
+              class="border-2 border-gray-300 rounded-md p-2 mt-2"
+              id="README"
+            >
+              <RenderView
+                src={`/dir/${encodePath(join(data.path, content.name))}`}
+              >
+              </RenderView>
+            </div>
+          )
+          : null}
       </div>
     </>
   );

routes/fs/[...path].ts

@@ -1,82 +0,0 @@
-import { HandlerContext, Handlers } from "$fresh/server.ts";
-import { serveFile } from "http/file_server.ts";
-import { removePrefixFromPathname } from "../../util/util.ts";
-
-export async function GET(
-  req: Request,
-  ctx: HandlerContext,
-): Promise<Response> {
-  const url = new URL(req.url);
-  const path = removePrefixFromPathname(decodeURI(url.pathname), "/fs");
-  // if auth is required, check if the user is logged in.
-  // if not, return a 401.
-  const authRequired = Deno.env.get("AUTH_REQUIRED") === "true";
-  if (authRequired) {
-    const login = ctx.state["login"];
-    if (!login) {
-      return new Response(null, {
-        status: 302,
-        headers: {
-          "Location": "/login",
-          "content-type": "text/plain",
-          "Access-Control-Allow-Origin": "*",
-          "Access-Control-Allow-Methods": "GET,HEAD,PUT,PATCH,POST,DELETE",
-          "Access-Control-Allow-Headers":
-            "Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With",
-        },
-      });
-    }
-  }
-
-  try {
-    const fileInfo = await Deno.stat(path);
-    if (fileInfo.isDirectory) {
-      // if index.html exists, serve it.
-      // otherwise, serve a directory listing.
-      const indexPath = path + "/index.html";
-      try {
-        await Deno.stat(indexPath);
-        const res = await serveFile(req, indexPath);
-        return res;
-      } catch (e) {
-        if (e instanceof Deno.errors.NotFound) {
-          const list: Deno.DirEntry[] = [];
-          for await (const entry of Deno.readDir(path)) {
-            list.push(entry);
-          }
-          return new Response(
-            JSON.stringify(
-              list,
-            ),
-            {
-              headers: {
-                "content-type": "application/json",
-                "Access-Control-Allow-Origin": "*",
-                "Access-Control-Allow-Methods":
-                  "GET,HEAD,PUT,PATCH,POST,DELETE",
-                "Access-Control-Allow-Headers":
-                  "Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With",
-              },
-              status: 200,
-            },
-          );
-        }
-      }
-    }
-    const res = await serveFile(req, path, {
-      fileInfo,
-    });
-    return res;
-  } catch (e) {
-    if (e instanceof Deno.errors.NotFound) {
-      return new Response("Not Found", {
-        status: 404,
-      });
-    }
-    throw e;
-  }
-}
-
-export const handler: Handlers = {
-  GET,
-};

routes/index.tsx

@@ -16,7 +16,7 @@ export default function Home() {
           This is a simple file server. It serves files from the{" "}
           <code>CWD</code>.
         </p>
-        <a href="/dir/">Go To CWD</a> | <a href="/doc/">Doc</a>
+        <a href="/dir/?pretty">Go To CWD</a> | <a href="/doc/">Doc</a>
         <hr></hr>
         <a href="/login">Login</a> | <a href="/api/logout">Logout</a>
       </div>

test_data/한글/SUMMARY.md

@@ -2,3 +2,5 @@
 title: "SUMMARY"
 tags: ["SUMMARY"]
 ---
+
+# Summary

test_data/한글/index.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<title>한글</title>
+</head>
+<body>
+    <h1>한글</h1>
+    <p>한글</p>
+</body>
+</html>