Merge pull request #43 from syfxlin/develop

refactor(bin): support global config

depker.ts

@@ -1,17 +1,28 @@
 import { fs, path } from "./src/deps.ts";
 
 const lookup = async () => {
-  const root = Deno.cwd();
-  const paths = [
-    path.join(root, "depker.config.ts"),
-    path.join(root, ".depker/depker.config.ts"),
-    path.join(root, "depker.config.js"),
-    path.join(root, ".depker/depker.config.js"),
-    path.join(root, "depker.config.cjs"),
-    path.join(root, ".depker/depker.config.cjs"),
-    path.join(root, "depker.config.mjs"),
-    path.join(root, ".depker/depker.config.mjs"),
-  ];
+  const paths = [] as string[];
+  const roots = [Deno.cwd(), Deno.build.os === "windows" ? Deno.env.get("USERPROFILE") : Deno.env.get("HOME")];
+  for (const r of roots) {
+    if (r) {
+      paths.push(path.join(r, "depker.config.ts"));
+      paths.push(path.join(r, "depker.config.js"));
+      paths.push(path.join(r, "depker.config.cjs"));
+      paths.push(path.join(r, "depker.config.mjs"));
+      paths.push(path.join(r, ".depker/depker.config.ts"));
+      paths.push(path.join(r, ".depker/depker.config.js"));
+      paths.push(path.join(r, ".depker/depker.config.cjs"));
+      paths.push(path.join(r, ".depker/depker.config.mjs"));
+      paths.push(path.join(r, ".depker/depker.ts"));
+      paths.push(path.join(r, ".depker/depker.js"));
+      paths.push(path.join(r, ".depker/depker.cjs"));
+      paths.push(path.join(r, ".depker/depker.mjs"));
+      paths.push(path.join(r, ".depker/config.ts"));
+      paths.push(path.join(r, ".depker/config.js"));
+      paths.push(path.join(r, ".depker/config.cjs"));
+      paths.push(path.join(r, ".depker/config.mjs"));
+    }
+  }
   for (const p of paths) {
     if (await fs.exists(p)) {
       return path.toFileUrl(p).toString();

src/depker.ts

@@ -21,10 +21,12 @@ export interface DepkerModule {
 }
 
 export function depker(): DepkerApp {
-  return new Depker() as DepkerApp;
+  return Depker.create();
 }
 
 export class Depker {
+  // singleton
+  private static instance: DepkerApp;
   // info
   public readonly name: string;
   public readonly version: string;
@@ -43,7 +45,14 @@ export class Depker {
   // module
   private readonly _modules: Array<DepkerModule>;
 
-  constructor() {
+  public static create(): DepkerApp {
+    if (!Depker.instance) {
+      Depker.instance = new Depker() as DepkerApp;
+    }
+    return Depker.instance;
+  }
+
+  private constructor() {
     // info
     this.name = "depker";
     this.version = "5.1.1";