From 229f35a2f498e0dd1a5760abc88176043a9af449 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Wed, 15 Mar 2023 01:57:11 +0900
Subject: feat(nuldoc): implement `serve` command

---
 nuldoc-src/command.ts | 32 +++++++++++++++++++++++++++++++-
 nuldoc-src/main.ts    |  2 +-
 2 files changed, 32 insertions(+), 2 deletions(-)

(limited to 'nuldoc-src')

diff --git a/nuldoc-src/command.ts b/nuldoc-src/command.ts
index dd15a77..d07f262 100644
--- a/nuldoc-src/command.ts
+++ b/nuldoc-src/command.ts
@@ -1,6 +1,8 @@
 import { dirname, join, joinGlobs } from "std/path/mod.ts";
 import { ensureDir } from "std/fs/mod.ts";
 import { expandGlob } from "std/fs/expand_glob.ts";
+import { serveDir } from "std/http/file_server.ts";
+import { serve } from "std/http/server.ts";
 import { Config } from "./config.ts";
 import { parseDocBookFile } from "./docbook/parse.ts";
 import { writeHtmlFile } from "./html.ts";
@@ -9,13 +11,41 @@ import convertPost from "./templates/post.ts";
 import convertPostList from "./templates/post_list.ts";
 import convertTag from "./templates/tag.ts";
 
-export async function run(config: Config) {
+export async function run(command: string, config: Config) {
+  if (command === "build") {
+    await cmdBuild(config);
+  } else if (command === "serve") {
+    cmdServe(config);
+  } else {
+    console.error(`Unknown command: ${command}`);
+  }
+}
+
+async function cmdBuild(config: Config) {
   const posts = await generatePosts(config);
   await generateTags(posts, config);
   await generatePostList(posts, config);
   await copyStaticFiles(config);
 }
 
+function cmdServe(config: Config) {
+  const rootDir = join(Deno.cwd(), config.locations.destDir);
+  serve(async (req) => {
+    const pathname = new URL(req.url).pathname;
+    if (!pathname.endsWith("css") && !pathname.endsWith("svg")) {
+      const p = Deno.run({
+        cmd: ["./nuldoc", "build"],
+      });
+      await p.status();
+      console.log("rebuild");
+    }
+    return serveDir(req, {
+      fsRoot: rootDir,
+      showIndex: true,
+    });
+  });
+}
+
 async function generatePosts(config: Config) {
   const sourceDir = join(Deno.cwd(), config.locations.contentDir, "posts");
   const postFiles = await collectPostFiles(sourceDir);
diff --git a/nuldoc-src/main.ts b/nuldoc-src/main.ts
index 12a4ca9..c7c175b 100644
--- a/nuldoc-src/main.ts
+++ b/nuldoc-src/main.ts
@@ -2,5 +2,5 @@ import { config } from "./config.ts";
 import { run } from "./command.ts";
 
 if (import.meta.main) {
-  await run(config);
+  await run(Deno.args[0] ?? "build", config);
 }
-- 
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