From 30bc3f689abb85f98964c277938be3d4d6f4b886 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Lemaire?= <michael@thunderk.net>
Date: Tue, 7 Sep 2021 00:33:45 +0200
Subject: [PATCH] Support config flags

---
 deps.ts       |  1 +
 src/server.ts | 29 ++++++++++++++++++++++++-----
 2 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/deps.ts b/deps.ts
index 04897b8..0c52b21 100644
--- a/deps.ts
+++ b/deps.ts
@@ -7,3 +7,4 @@ export {
 export type { Response as ServerResponse } from "https://deno.land/std@0.106.0/http/server.ts";
 export { serveFile } from "https://deno.land/std@0.106.0/http/file_server.ts";
 export { posix } from "https://deno.land/std@0.106.0/path/mod.ts";
+export { readAll } from "https://deno.land/std@0.106.0/io/util.ts";
diff --git a/src/server.ts b/src/server.ts
index 4a14593..a46476d 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -2,6 +2,7 @@
 import {
   listenAndServe,
   posix,
+  readAll,
   serveFile,
   ServerRequest,
   ServerResponse,
@@ -117,17 +118,35 @@ async function run(...cmd: string[]): Promise<boolean> {
   return result.success;
 }
 
+async function deno(cmd: string, ...args: string[]): Promise<boolean> {
+  const flags = await readConfigFlags(cmd);
+  return await run("deno", cmd, ...flags, ...args);
+}
+
+async function readConfigFlags(cmd: string): Promise<string[]> {
+  const path = `config/${cmd}.flags`;
+  try {
+    const f = await Sys.open(path);
+    const content = await readAll(f);
+    return new TextDecoder()
+      .decode(content)
+      .split(" ")
+      .filter((part) => part && part.startsWith("--"));
+  } catch {
+  }
+  return [];
+}
+
 async function bundle(
   source: string,
   destination: string,
 ): Promise<void> {
-  // TODO add config flags
   if (
-    await run("deno", "bundle", source, destination) &&
-    await run("deno", "fmt", destination)
+    await deno("bundle", "-q", source, destination) &&
+    await deno("fmt", "-q", destination)
   ) {
-    return;
+    console.log(`Bundled : ${source} -> ${destination}`);
   } else {
-    console.log(`Bundle failed for: ${source}`);
+    console.error(`Bundle failed for: ${source}`);
   }
 }