From 8f44593d55c82197854d9e29174fe66c4e50ebde Mon Sep 17 00:00:00 2001
From: Alexis Hovorka <alexisspacegirl@gmail.com>
Date: Sat, 17 Feb 2024 00:42:20 -0700
Subject: [refactor] Switch to ES Modules

---
 app/lib/otp.js    |  8 +++-----
 app/lib/pipe.js   |  6 ++----
 app/lib/router.js | 10 +++-------
 app/lib/socket.js |  6 ++----
 app/lib/static.js | 18 +++++++++---------
 5 files changed, 19 insertions(+), 29 deletions(-)

(limited to 'app/lib')

diff --git a/app/lib/otp.js b/app/lib/otp.js
index 751edf4..14763a8 100644
--- a/app/lib/otp.js
+++ b/app/lib/otp.js
@@ -1,6 +1,4 @@
-"use strict";
-
-const { createHmac } = require("crypto");
+import { createHmac } from "node:crypto";
 const getHMAC = (k,c) => { const h = createHmac("sha1", k);
   h.update(c, "hex"); return h.digest("hex"); }
 
@@ -12,7 +10,7 @@ const b32u = s => Uint8Array.from(s.split("").reduce((a,c) =>
     a+b32a.indexOf(c.toUpperCase()).toString(2).padStart(5,0), "")
   .match(/.{8}/g).map(b => parseInt(b,2)));
 
-module.exports = function totp(secret, { expiry=30,
+export default function totp(secret, { expiry=30,
   now=Math.round(new Date().getTime()/1000), length=6 }={}) {
   const time = d2h(now/expiry).padStart(16,0);
   const hmac = getHMAC(b32u(secret), time);
@@ -21,7 +19,7 @@ module.exports = function totp(secret, { expiry=30,
   return otp.padStart(length,0).substr(-length);
 }
 
-module.exports.check = function check(token, secret, { expiry=30,
+export function check(token, secret, { expiry=30,
   now=Math.round(new Date().getTime()/1000), length=6, window=0 }={}) {
   const i = Array(window*2+1).fill().map((e,i) => now+(expiry*(i-window)))
     .findIndex(n => token === this(secret, {now:n, expiry, length}));
diff --git a/app/lib/pipe.js b/app/lib/pipe.js
index e329b2b..db58e5f 100644
--- a/app/lib/pipe.js
+++ b/app/lib/pipe.js
@@ -1,8 +1,6 @@
-"use strict";
+import { spawn } from "node:child_process";
 
-const { spawn } = require("child_process");
-
-module.exports = function pipe({ command, flags, stdin="", buffer } = {}) {
+export default function pipe({ command, flags, stdin="", buffer } = {}) {
   return new Promise((resolve, reject) => {
     const child = spawn(command, flags);
     let stdout = (buffer?[]:"");
diff --git a/app/lib/router.js b/app/lib/router.js
index fd24693..186e6ad 100644
--- a/app/lib/router.js
+++ b/app/lib/router.js
@@ -1,15 +1,13 @@
-"use strict"; // https://github.com/mixu/minimal
-
-const url = require("url");
+import {parse as parseURL} from "node:url";
 const degroup = path => Object.assign(path, path.groups);
 
-class Router {
+export default class Router {
   constructor() {
     this.routes = [];
   }
 
   route(req, res) {
-    const pathname = url.parse(req.url).pathname;
+    const pathname = parseURL(req.url).pathname;
     return this.routes.some(route => {
       const isMatch = route.method === req.method && route.re.test(pathname);
       if (isMatch) route.cb(req, res, degroup(route.re.exec(pathname)));
@@ -49,5 +47,3 @@ class Router {
   Router.prototype[method] = function(re, cb) {
     this.routes.push({method: method.toUpperCase(), cb,
       re: (re instanceof RegExp)? re : new RegExp(`^${re}$`)})});
-
-module.exports = Router;
diff --git a/app/lib/socket.js b/app/lib/socket.js
index 88fdd49..9222d00 100644
--- a/app/lib/socket.js
+++ b/app/lib/socket.js
@@ -1,6 +1,4 @@
-"use strict";
-
-const WebSocket = require("ws");
+import WebSocket from "ws";
 
 class Client {
   constructor(ws) {
@@ -27,7 +25,7 @@ class Client {
   }
 }
 
-module.exports = class Socket {
+export default class Socket {
   constructor(server) {
     this.wss = new WebSocket.Server({server});
     this.handlers = {};
diff --git a/app/lib/static.js b/app/lib/static.js
index ef48ae6..26fc231 100644
--- a/app/lib/static.js
+++ b/app/lib/static.js
@@ -1,13 +1,13 @@
-"use strict";
-
-const Path = require("path");
-const url = require("url");
-const fs = require("fs");
+import {normalize, extname} from "node:path";
+import {parse as parseURL} from "node:url";
+import fs from "node:fs";
 
 const mimeTypes = {
   ".html": "text/html",
   ".css":  "text/css",
   ".js":   "text/javascript",
+  ".cjs":  "text/javascript",
+  ".mjs":  "text/javascript",
   ".json": "application/json",
   ".wasm": "application/wasm",
   ".pdf":  "application/pdf",
@@ -32,7 +32,7 @@ const mimeTypes = {
   ".glb":  "model/gltf-binary",
 };
 
-module.exports = class Static {
+export default class Static {
   constructor(root) {
     this.root = `${root||"."}`;
     this.e404 = fs.readFileSync(`${this.root}/404.html`);
@@ -46,8 +46,8 @@ module.exports = class Static {
       return;
     }
 
-    const pathname = url.parse(req.url).pathname;
-    const sane = Path.normalize(pathname).replace(/^(\.\.\/)+/, "");
+    const pathname = parseURL(req.url).pathname;
+    const sane = normalize(pathname).replace(/^(\.\.\/)+/, "");
     let path = `${this.root}${sane}`; //Path.join(__dirname, sane);
 
     fs.stat(path, (err, stats) => {
@@ -60,7 +60,7 @@ module.exports = class Static {
       }}
 
       if (stats.isDirectory()) path += "/index.html";
-      const ext = `${Path.extname(path)}`.toLowerCase();
+      const ext = `${extname(path)}`.toLowerCase();
       const stream = fs.createReadStream(path);
 
       stream.on("error", e => { console.log(e);
-- 
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