From 75dc7d14eccf4daa1bbceb0d5888da2635a5206e Mon Sep 17 00:00:00 2001
From: Vitaly Turovsky <vital2580@icloud.com>
Date: Tue, 17 Dec 2024 11:42:52 +0300
Subject: [PATCH] feat: add plugins folder feature

---
 src/lib/modules/pluginsFolder.ts | 46 ++++++++++++++++++++++++++++++++
 src/modules.ts                   |  1 +
 2 files changed, 47 insertions(+)
 create mode 100644 src/lib/modules/pluginsFolder.ts

diff --git a/src/lib/modules/pluginsFolder.ts b/src/lib/modules/pluginsFolder.ts
new file mode 100644
index 00000000..c768084c
--- /dev/null
+++ b/src/lib/modules/pluginsFolder.ts
@@ -0,0 +1,46 @@
+import path from 'path'
+import fs from 'fs'
+
+let loadedPlugins: Record<string, any> = {}
+
+export const player = function (player: Player, serv: Server) {
+  for (const plugin of Object.values(loadedPlugins)) {
+    plugin.player.call(plugin, player, serv)
+  }
+}
+
+export const entity = function (entity: Entity, serv: Server) {
+  for (const plugin of Object.values(loadedPlugins)) {
+    plugin.entity.call(plugin, entity, serv)
+  }
+}
+
+export const server = async function (serv: Server, settings: Options) {
+  loadedPlugins = {}
+  if (!settings.pluginsFolder || !settings.worldFolder) return
+  const plugins = fs.readdirSync(path.join(settings.worldFolder, 'plugins'))
+
+  for (const plugin of plugins) {
+    // match .js but not .disabled.js
+    if (plugin.match(/\.[js,mjs]$/) && !plugin.includes('.disabled.')) {
+      const pluginName = plugin.split('.').slice(0, -1).join('.')
+      const moduleContent = fs.readFileSync(path.join(settings.worldFolder, 'plugins', plugin), 'utf8')
+      const module = await loadPlugin(moduleContent)
+      loadedPlugins[pluginName] = module
+      serv.info(`Loading plugin: ${pluginName}`)
+      module.server.call(module, serv, settings)
+    }
+  }
+}
+
+const loadPlugin = (moduleContent: string) => {
+  // remove shebang
+  moduleContent = moduleContent.replace(/^#!.*\n/, '')
+  const blob = new Blob([moduleContent], { type: 'application/javascript' })
+  const moduleUrl = URL.createObjectURL(blob)
+
+  return import(moduleUrl).then(module => {
+    URL.revokeObjectURL(moduleUrl)
+    return module
+  })
+}
diff --git a/src/modules.ts b/src/modules.ts
index ba768374..a6ece047 100644
--- a/src/modules.ts
+++ b/src/modules.ts
@@ -48,6 +48,7 @@ declare global {
     _client: Client
   }
   interface Options {
+    pluginsFolder: boolean
     version: string
     /**
      * @deprecated will be reworked in the future