chore(main): release 2.6.3 (#309)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.eslintrc

@@ -3,9 +3,11 @@
     "extends": ["plugin:@typescript-eslint/recommended"],
     "parserOptions": { "ecmaVersion": "latest", "sourceType": "script" },
     "rules": {
-      "@typescript-eslint/no-non-null-assertion": "off",
-      "quotes": [2, "single", { "avoidEscape": true, "allowTemplateLiterals" : true }],
-      "semi": ["error", "always"],
-      "@typescript-eslint/no-empty-interface": 0
+        "@typescript-eslint/no-non-null-assertion": "off",
+        "quotes": [2, "single", { "avoidEscape": true, "allowTemplateLiterals": true }],
+        "semi": ["error", "always"],
+        "@typescript-eslint/no-empty-interface": 0,
+        "@typescript-eslint/ban-types": 0,
+        "@typescript-eslint/no-explicit-any": "off"
     }
-  }
+}

.github/CODEOWNERS

@@ -1 +1 @@
-src/* @jacoobes
+* @jacoobes

.github/SECURITY.md

@@ -6,13 +6,43 @@ Project is currently under heavy development but you can try out our [npm packag
 
 | Version | Supported          |
 | ------- | ------------------ |
-| 0.1.0 @ dev | :white_check_mark: |
+| 2.6.1   | YES                |
+| 2.6.0   | YES                |
+| 2.5.3   | YES                |
+| 2.5.2   | YES                |
+| 2.5.1   | YES                |
+| 2.5.0   | YES                |
+| 2.1.1   | NO                 |
+| 2.1.0   | NO                 |
+| 2.0.0   | NO                 |
+| 1.2.1   | NO                 |
+| 1.2.0   | NO                 |
+| 1.1.0   | NO                 |
+1.0.1 | NO
+1.0.0 | NO
+1.1.9 @ beta | NO
+1.1.8 @ beta | NO
+1.1.7 @ beta | NO
+1.1.6 @ beta | NO
+1.1.5 @ beta | NO
+1.1.4 @ beta | NO
+1.1.3 @ beta | NO
+1.1.2 @ beta | NO
+1.1.1 @ beta | NO
+1.1.0 @ beta | NO
+1.0.4 @ beta | NO
+1.0.3 @ beta | NO
+1.0.2 @ beta | NO
+1.0.1 @ beta | NO
+1.0.0 @ beta | NO
+0.0.1 @ dev | NO (TRY IT)
 
-* Dev versions might include bugs, use it with your own risk.
+
+* Dev versions might include bugs and not supported use stable versions.
 
 ## Reporting a Vulnerability
 
-You can report a vulnerability by opening an issue on the [project's GitHub](https://github.com/SernHandler/Sern/issues) repository.
+You can report a vulnerability by opening an issue on the [project's GitHub](https://github.com/sern-handler/handler/issues) repository.
 
 Please provide as much information as possible when reporting a vulnerability. We are looking information for, the affected version, and the steps to reproduce the vulnerability.
 

.github/workflows/codeql-analysis.yml

@@ -3,8 +3,10 @@ name: "CodeQL"
 on:
   push:
     branches: [ main ]
+    paths: ["src/**/*"]
   pull_request:
     branches: [ main ]
+    paths: ["src/**/*"]
   schedule:
     - cron: '37 20 * * 4'
 

.github/workflows/continuous-integration.yml

@@ -0,0 +1,50 @@
+name: Continuous Integration
+
+on:
+  # Trigger the workflow on push or pull request or custom
+  push:
+    branches: [main]
+    paths:
+      - '*.ts'
+  pull_request_target:
+    branches:
+      main
+    paths:
+      - '*ts'
+  workflow_dispatch:
+
+jobs:
+  Prettier:
+    name: Run Prettier
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3
+        with:
+          node-version: 17
+
+      - name: Install pnpm
+        run: npm i -g yarn
+
+      # Prettier must be in `package.json`
+      - name: Install Node.js dependencies
+        run:  yarn --immutable
+
+      - name: Run Prettier
+        run: yarn pretty
+
+      - name: Create Pull Request
+        id: cpr
+        uses: peter-evans/create-pull-request@v4
+        with:
+          commit-message: "style: pretty please"
+          branch: prettier
+          delete-branch: true
+          branch-suffix: short-commit-hash
+          title: "style: pretty please"
+          body: "pretty pretty prettier"
+          reviewers: EvolutionX-10

.github/workflows/npm-publish.yml

@@ -1,30 +1,18 @@
 name: NPM / Publish
 
 on:
-  release:
-    types: [created]
-
+  workflow_dispatch:
 jobs:
-  build:
+  test-and-publish:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
-      - run: npm ci
-      - run: npm test
-
-  publish-npm:
-    needs: build
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+          node-version: 17
+      - run: yarn --immutable
+      - run: yarn build:prod
+      - uses: JS-DevTools/npm-publish@v1
         with:
-          node-version: 16
-          registry-url: https://registry.npmjs.org/
-      - run: npm ci
-      - run: npm publish
-        env:
-          NODE_AUTH_TOKEN: ${{secrets.npm_token}}
+          token: ${{ secrets.NPM_TOKEN }}
+          access: "public"

.gitignore

@@ -87,3 +87,7 @@ dist
 
 # IntelliJ IDEA Config file
 .idea/
+
+# Yarn files
+.yarn/install-state.gz
+.yarn/build-state.yml

.npmignore

@@ -52,6 +52,7 @@ typings/
 .node_repl_history
 
 # Output of 'npm pack'
+
 *.tgz
 
 # Yarn Integrity file
@@ -108,6 +109,8 @@ tsup.config.js
 
 tsconfig-base.json
 
-tsconfig.cjs.json
+tsconfig-cjs.json
 
-tsconfig.esm.json
+tsconfig-esm.json
+
+renovate.json

.prettierignore

@@ -1,2 +1,3 @@
 .github/
-*.md
+*.md
+dist/

.prettierrc

@@ -1,8 +1,8 @@
 {
-  "semi": true,
-  "trailingComma": "all",
-  "singleQuote": true,
-  "printWidth": 100,
-  "tabWidth": 4,
-  "arrowParens": "avoid"
+    "semi": true,
+    "trailingComma": "all",
+    "singleQuote": true,
+    "printWidth": 100,
+    "tabWidth": 4,
+    "arrowParens": "avoid"
 }

.yarnrc.yml

@@ -0,0 +1,5 @@
+enableGlobalCache: true
+
+nodeLinker: node-modules
+
+yarnPath: .yarn/releases/yarn-3.5.1.cjs

CHANGELOG.md

@@ -1,5 +1,144 @@
 # Changelog
 
+## [2.6.3](https://github.com/sern-handler/handler/compare/v2.6.2...v2.6.3) (2023-06-17)
+
+
+### Bug Fixes
+
+* autocomplete nested option and merge main ([5fdc1ed](https://github.com/sern-handler/handler/commit/5fdc1eda7f4fcc1f94af7eca661660c0edeb3251))
+
+## [2.6.2](https://github.com/sern-handler/handler/compare/v2.6.1...v2.6.2) (2023-04-15)
+
+
+### Miscellaneous Chores
+
+* release 2.6.2 ([c1f6906](https://github.com/sern-handler/handler/commit/c1f690633c55ba41db1e035b7c16f9e19c70b385))
+
+## [2.6.1](https://github.com/sern-handler/handler/compare/v2.6.0...v2.6.1) (2023-03-17)
+
+
+### Miscellaneous Chores
+
+* release 2.6.1 ([f9609ce](https://github.com/sern-handler/handler/commit/f9609ce6cd777fa0eb595d8c48d57905bbce5966))
+
+## [2.6.0](https://github.com/sern-handler/handler/compare/v2.5.3...v2.6.0) (2023-03-09)
+
+
+### Features
+
+* adding pure annotation for better tree shaking ([d20d015](https://github.com/sern-handler/handler/commit/d20d01524b872549da501e21feec147ab204f397))
+
+## [2.5.3](https://github.com/sern-handler/handler/compare/v2.5.2...v2.5.3) (2023-02-16)
+
+
+### Miscellaneous Chores
+
+* release 2.5.3 ([ce9a083](https://github.com/sern-handler/handler/commit/ce9a0831a6e47dd38648f34653f0bd89b1d2e48e))
+
+## [2.5.2](https://github.com/sern-handler/handler/compare/v2.5.1...v2.5.2) (2023-02-16)
+
+
+### Reverts
+
+* version ([facee79](https://github.com/sern-handler/handler/commit/facee79c904ad663d3c57ce56fb825419fcc12f9))
+
+## [2.5.1](https://github.com/sern-handler/handler/compare/v2.5.0...v2.5.1) (2023-02-12)
+
+
+### Features
+
+* Adding my bot to readme ([#210](https://github.com/sern-handler/handler/issues/210)) ([96f4281](https://github.com/sern-handler/handler/commit/96f42811218e4898a47e75a8138ccd452ae2c5c2))
+* Adding the WIP to my bot ([86fa531](https://github.com/sern-handler/handler/commit/86fa531eb620d2ac649bad6decb29d5c55a25445))
+
+
+### Bug Fixes
+
+* autocomplete ([1860b89](https://github.com/sern-handler/handler/commit/1860b898f3a231840e2a8b781e007ef9d6f587a4))
+
+
+### Miscellaneous Chores
+
+* release 2.5.1 ([c78936a](https://github.com/sern-handler/handler/commit/c78936a22574da4af71826f5b5f72f354a4eb06a))
+
+## [2.5.0](https://github.com/sern-handler/handler/compare/v2.1.1...v2.5.0) (2023-01-30)
+
+
+### ⚠ BREAKING CHANGES
+
+* simpler plugins ([#193](https://github.com/sern-handler/handler/issues/193))
+
+### Features
+
+* simpler plugins ([#193](https://github.com/sern-handler/handler/issues/193)) ([33f1446](https://github.com/sern-handler/handler/commit/33f14467ec413e003a82503c8a77cb42a6194281))
+
+
+### Miscellaneous Chores
+
+* release 2.5.0 ([b4b195d](https://github.com/sern-handler/handler/commit/b4b195dc9586736760d0b78caa8589f3d6131f8a))
+
+## [2.1.1](https://github.com/sern-handler/handler/compare/v2.1.0...v2.1.1) (2022-12-31)
+
+
+### Bug Fixes
+
+* modals remapping ([a13df6f](https://github.com/sern-handler/handler/commit/a13df6fb424d256476284da49024dbe56e82baab))
+
+## [2.1.0](https://github.com/sern-handler/handler/compare/v2.0.0...v2.1.0) (2022-12-30)
+
+
+### Features
+
+* grammar ([c30aac4](https://github.com/sern-handler/handler/commit/c30aac476cdc2094de34f9f67b5805204cc5e4dd))
+
+
+### Bug Fixes
+
+* multi parameter events ([e986535](https://github.com/sern-handler/handler/commit/e98653593566ef4635493e0c997bd107a7a3a2a2))
+
+## [2.0.0](https://github.com/sern-handler/handler/compare/v1.2.1...v2.0.0) (2022-12-28)
+
+
+### ⚠ BREAKING CHANGES
+
+* (2.0 global services) ([#156](https://github.com/sern-handler/handler/issues/156))
+
+### Features
+
+* (2.0 global services) ([#156](https://github.com/sern-handler/handler/issues/156)) ([1455622](https://github.com/sern-handler/handler/commit/14556223fd6f79b797fb2aee03e795d4f4e94a8b))
+
+## [1.2.1](https://github.com/sern-handler/handler/compare/v1.2.0...v1.2.1) (2022-10-03)
+
+
+### Bug Fixes
+
+* **autocomplete:** now support multiple autocomplete options ([#147](https://github.com/sern-handler/handler/issues/147)) ([cbad738](https://github.com/sern-handler/handler/commit/cbad7380e1993b96c643f365726457f63e4fbd5d))
+
+## [1.2.0](https://github.com/sern-handler/handler/compare/v1.1.0...v1.2.0) (2022-09-28)
+
+
+### Features
+
+* allow constructable modules ([#133](https://github.com/sern-handler/handler/issues/133)) ([03936eb](https://github.com/sern-handler/handler/commit/03936eb2ea1d1af7cada04d77bb8345d63a5e20f))
+* classmodules@arcs ([#143](https://github.com/sern-handler/handler/issues/143)) ([5028886](https://github.com/sern-handler/handler/commit/50288867a5b171511941a1be3877d721694e9f77))
+* update CODEOWNERS ([6b8995d](https://github.com/sern-handler/handler/commit/6b8995d149c857558415a6c151a3f575ec373445))
+
+
+### Reverts
+
+* feat of allow constructable modules ([#138](https://github.com/sern-handler/handler/issues/138)) ([82bbdda](https://github.com/sern-handler/handler/commit/82bbddac8d656b60b3a1fb2471ea03ee5224f5c3))
+
+## [1.1.0](https://github.com/sern-handler/handler/compare/v1.0.0...v1.1.0) (2022-08-29)
+
+
+### Features
+
+* add proper error handling ([#115](https://github.com/sern-handler/handler/issues/115)) ([395549c](https://github.com/sern-handler/handler/commit/395549c173cb62a18205e451bf2cb5579ba9a6e0))
+
+
+### Miscellaneous Chores
+
+* release 1.1.0 ([8a373de](https://github.com/sern-handler/handler/commit/8a373de880ff18df85af812adf9f6f6a4f45028d))
+
 ## 1.0.0 (2022-08-15)
 
 

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-**Copyright (c) 2022 Sern**
+Copyright (c) 2023 sern
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -19,5 +19,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
-
-End license text.

README.md

@@ -1,19 +1,30 @@
 <div align="center">
-  <img src="https://raw.githubusercontent.com/sern-handler/.github/main/banner.png" width="900px">
+  <img src="https://raw.githubusercontent.com/sern-handler/.github/main/banner.png" width="900px" />
 </div>
 
 <h1 align="center">Handlers. Redefined.</h1>
-<h4 align="center">A customizable, batteries-included, powerful discord.js framework to streamline bot development.</h4>
+<h4 align="center">A complete, customizable, typesafe, & reactive framework for discord bots</h4>
 
-<div align="center" style="margin-top: 10px">
-  <img src="https://img.shields.io/badge/open-source-brightgreen">
+<div align="center" styles="margin-top: 10px">
+  <img src="https://img.shields.io/badge/open-source-brightgreen" />
   <a href="https://www.npmjs.com/package/@sern/handler"><img src="https://img.shields.io/npm/v/@sern/handler?maxAge=3600" alt="NPM version" /></a>
   <a href="https://www.npmjs.com/package/@sern/handler"><img src="https://img.shields.io/npm/dt/@sern/handler?maxAge=3600" alt="NPM downloads" /></a>
-  <a href="https://opensource.org/licenses/MIT"><img src="https://img.shields.io/badge/license-MIT-brightgreen" alt="License MIT"></a>
-  <a href="https://sern-handler.js.org"><img alt="docs.rs" src="https://img.shields.io/docsrs/docs"></a>
-  <img alt="Lines of code" src="https://img.shields.io/badge/total%20lines-2k-blue">
+  <a href="https://opensource.org/licenses/MIT"><img src="https://img.shields.io/badge/license-MIT-brightgreen" alt="License MIT" /></a>
+  <a href="https://sern.dev"><img alt="docs.rs" src="https://img.shields.io/docsrs/docs" /></a>
+  <img alt="Lines of code" src="https://img.shields.io/badge/total%20lines-2k-blue" />
 </div>
 
+## Why?
+- For you. A framework that's tailored to your exact needs.
+- Lightweight. Does a lot while being small.
+- Latest features. Support for discord.js v14 and all of its interactions.
+- Hybrid, customizable and composable commands. Create them just how you like.
+- Start quickly. Plug and play or customize to your liking.
+- Embraces reactive programming. For consistent and reliable backend.
+- Switch and customize how errors are handled, logging, and more.
+- Use it with TypeScript or JavaScript. CommonJS and ESM supported.
+- Active and growing community, always here to help. [Join us](https://sern.dev/discord)
+- Unleash its full potential with a powerful CLI and awesome plugins.
 
 ## 📜 Installation
 
@@ -29,61 +40,78 @@ yarn add @sern/handler
 pnpm add @sern/handler
 ```
 
-## 👀 Quick Look
-
-* Support for discord.js v14 and all interactions
-* Hybrid commands
-* lightweight and customizable
-* ESM, CommonJS and TypeScript support
-* A powerful cli and awesome community-made plugins
-
 ## 👶 Basic Usage
+<details open><summary>ping.ts</summary>
 
-#### ` index.js (CommonJS)`
-
-```js
-// Import the discord.js Client and GatewayIntentBits
-const { Client, GatewayIntentBits } = require('discord.js');
-
-// Import Sern namespace
-const { Sern } = require('@sern/handler');
-
-// Our configuration file
-const { defaultPrefix, token } = require('./config.json');
-
-const client = new Client({
-  intents: [
-    GatewayIntentBits.Guilds,
-    GatewayIntentBits.GuildMembers,
-    GatewayIntentBits.GuildMessages
-  ]
-});
-
-Sern.init({
-  client,   
-  defaultPrefix,   
-  commands : 'src/commands',
-});
-
-client.login(token);
-```
-
-#### ` ping.js (CommonJS)`
-
-```js
-const { CommandType } = require('@sern/handler');
-
-exports.default = commandModule({
-  name: 'ping',
-  description: 'A ping pong command',
+```ts
+export default commandModule({
   type: CommandType.Slash,
+  //Installed plugin to publish to discord api and allow access to owners only.
+  plugins: [publish(), ownerOnly()],
+  description: 'A ping pong command',
   execute(ctx) {
-    ctx.reply('pong!');
+    ctx.reply('Hello owner of the bot');
   }
 });
 ```
+</details>
+<details open><summary>modal.ts</summary>
 
-See our [templates](https://github.com/sern-handler/templates) for TypeScript examples and more
+```ts
+export default commandModule({
+    type: CommandType.Modal,
+    //Installed a plugin to make sure modal fields pass a validation.
+    plugins : [
+        assertFields({
+            fields: { 
+                name: /^([^0-9]*)$/ 
+            },
+            failure: (errors, modal) => modal.reply('your submission did not pass the validations')
+        })
+    ],
+    execute : (modal) => {
+        modal.reply('thanks for the submission!');
+    }
+})
+```
+</details>
+<details open><summary>index.ts</summary>
+
+```ts
+import { Client, GatewayIntentBits } from 'discord.js';
+import { Sern, single, type Dependencies } from '@sern/handler';
+
+//client has been declared previously
+
+interface MyDependencies extends Dependencies {
+    '@sern/client': Singleton<Client>;
+}
+export const useContainer = Sern.makeDependencies<MyDependencies>({
+    build: root => root
+        .add({ '@sern/client': single(() => client)  })
+});
+
+//View docs for all options
+Sern.init({
+	defaultPrefix: '!', // removing defaultPrefix will shut down text commands
+	commands: 'src/commands',
+	// events: 'src/events' (optional),
+	containerConfig : {
+	    get: useContainer
+	}
+});
+
+client.login("YOUR_BOT_TOKEN_HERE");
+```
+</details>
+
+## 🤖 Bots Using sern 
+- [Community Bot](https://github.com/sern-handler/sern-community), the community bot for our [discord server](https://sern.dev/discord).
+- [Vinci](https://github.com/SrIzan10/vinci), the bot for Mara Turing.
+- [Bask](https://github.com/baskbotml/bask), Listen your favorite artists on Discord.
+- [ava](https://github.com/SrIzan10/ava), A discord bot that plays KNGI and Gensokyo Radio.
+- [Murayama](https://github.com/murayamabot/murayama), :pepega:
+- [Protector (WIP)](https://github.com/needhamgary/Protector), Just a simple bot to help enhance a private minecraft server.
 
 ## 💻 CLI
 
@@ -91,15 +119,11 @@ It is **highly encouraged** to use the [command line interface](https://github.c
 
 ## 🔗 Links
 
-- [Official Documentation and Guide](https://sern-handler.js.org)
-- [Support Server](https://discord.com/invite/mmyCTnYtbF)
+- [Official Documentation and Guide](https://sern.dev)
+- [Support Server](https://sern.dev/discord)
 
 ## 👋 Contribute
-
-- Read our contribution [guidelines](https://github.com/sern-handler/handler) carefully
+- Read our contribution [guidelines](https://github.com/sern-handler/handler/blob/main/.github/CONTRIBUTING.md) carefully
 - Pull up on [issues](https://github.com/sern-handler/handler/issues) and report bugs
 - All kinds of contributions are welcomed.
 
-## 🚈 Roadmap
-
-You can check our [roadmap](https://github.com/sern-handler/roadmap) to see what's going to be added or patched in the future.

package.json

@@ -1,54 +1,58 @@
 {
-  "name": "@sern/handler",
-  "version": "1.0.0",
-  "description": "A customizable, batteries-included, powerful discord.js framework to automate and streamline bot development.",
-  "main": "dist/cjs/index.cjs",
-  "module": "dist/esm/index.mjs",
-  "types": "dist/index.d.ts",
-  "exports": {
-    ".": {
-      "import": "./dist/esm/index.mjs",
-      "require": "./dist/cjs/index.cjs"
-    }
-  },
-  "scripts": {
-    "watch": "tsup --watch --dts",
-    "clean-modules": "rimraf node_modules/ && npm install",
-    "lint": "eslint src/**/*.ts",
-    "format": "eslint src/**/*.ts --fix",
-    "build": "tsup && node scripts/mkjson.mjs dist/cjs dist/esm && tsup --dts-only --outDir dist",
-    "publish": "npm run build && npm publish"
-  },
-  "keywords": [
-    "sern-handler",
-    "sern",
-    "handler",
-    "sern handler",
-    "wrapper",
-    "discord.js",
-    "framework"
-  ],
-  "author": "SernDevs",
-  "license": "MIT",
-  "dependencies": {
-    "rxjs": "^7.5.6",
-    "ts-pattern": "^4.0.2",
-    "ts-results-es": "^3.5.0"
-  },
-  "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "5.32.0",
-    "@typescript-eslint/parser": "5.32.0",
-    "eslint": "8.21.0",
-    "prettier": "2.7.1",
-    "tsup": "^6.1.3",
-    "typescript": "4.7.4"
-  },
-  "peerDependencies": {
-    "discord.js": "^14.2.x"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/sern-handler/handler.git"
-  },
-  "homepage": "https://sern-handler.js.org"
+    "name": "@sern/handler",
+    "packageManager": "yarn@3.5.1",
+    "version": "2.6.3",
+    "description": "A complete, customizable, typesafe, & reactive framework for discord bots.",
+    "main": "dist/cjs/index.cjs",
+    "module": "dist/esm/index.mjs",
+    "types": "dist/index.d.ts",
+    "exports": {
+        ".": {
+            "import": "./dist/esm/index.mjs",
+            "require": "./dist/cjs/index.cjs"
+        }
+    },
+    "scripts": {
+        "watch": "tsup --watch",
+        "clean-modules": "rimraf node_modules/ && npm install",
+        "lint": "eslint src/**/*.ts",
+        "format": "eslint src/**/*.ts --fix",
+        "build:dev": "tsup && tsup --dts-only --outDir dist",
+        "build:prod": "tsup --minify && tsup --dts-only --outDir dist",
+        "publish": "npm run build:prod",
+        "pretty": "prettier --write ."
+    },
+    "keywords": [
+        "sern-handler",
+        "sern",
+        "handler",
+        "sern handler",
+        "wrapper",
+        "discord.js",
+        "framework"
+    ],
+    "author": "SernDevs",
+    "license": "MIT",
+    "dependencies": {
+        "iti": "^0.6.0",
+        "rxjs": "^7.8.0",
+        "ts-results-es": "^3.6.0"
+    },
+    "devDependencies": {
+        "@types/node": "^18.15.11",
+        "@typescript-eslint/eslint-plugin": "5.58.0",
+        "@typescript-eslint/parser": "5.59.1",
+        "discord.js": "^14.9.0",
+        "esbuild": "^0.17.0",
+        "esbuild-ifdef": "^0.2.0",
+        "eslint": "8.39.0",
+        "prettier": "2.8.8",
+        "tsup": "^6.7.0",
+        "typescript": "5.0.2"
+    },
+    "repository": {
+        "type": "git",
+        "url": "git+https://github.com/sern-handler/handler.git"
+    },
+    "homepage": "https://sern.dev"
 }

renovate.json

@@ -1,14 +1,14 @@
 {
-	"major": {
-		"dependencyDashboardApproval": true,
-		"reviewers": ["EvolutionX-10", "jacoobes", "Murtatrxx"]
-	},
-	"minor": {
-		"reviewers": ["jacoobes", "Murtatrxx"]
-	},
-	"schedule": ["every weekend"],
-	"lockFileMaintenance": {
-		"enabled": true,
-		"automerge": false
-	}
+    "major": {
+        "dependencyDashboardApproval": true,
+        "reviewers": ["EvolutionX-10", "jacoobes", "Murtatrxx"]
+    },
+    "minor": {
+        "reviewers": ["jacoobes", "Murtatrxx"]
+    },
+    "schedule": ["every weekend"],
+    "lockFileMaintenance": {
+        "enabled": true,
+        "automerge": true
+    }
 }

scripts/mkjson.mjs

@@ -1,15 +0,0 @@
-import { writeFile } from 'fs/promises'
-import { join } from 'path';
-// A quick script to regenerate package.jsons for each cjs and esm after tsup cleans distributions
-const locations = process.argv;
-locations.shift();
-locations.shift();
-for(const loc of locations) {
-    if(loc.endsWith('cjs')) {
-        await writeFile(join(loc, 'package.json'), JSON.stringify({ type : 'commonjs' }))
-    } else {
-        await writeFile(join(loc, 'package.json'), JSON.stringify({ type : 'module' }))
-    }
-}
-
-

src/handler/contracts/errorHandling.ts

@@ -0,0 +1,50 @@
+import type { Observable } from 'rxjs';
+import type { Logging } from './logging';
+import util from 'util';
+/**
+ * @since 2.0.0
+ */
+export interface ErrorHandling {
+    /**
+     * Number of times the process should throw an error until crashing and exiting
+     */
+    keepAlive: number;
+
+    /**
+     * Utility function to crash
+     * @param error
+     */
+    crash(error: Error): never;
+
+    /**
+     * A function that is called on every crash. Updates keepAlive
+     * @param error
+     */
+    updateAlive(error: Error): void;
+}
+/**
+ * @since 2.0.0
+ */
+export class DefaultErrorHandling implements ErrorHandling {
+    keepAlive = 5;
+    crash(error: Error): never {
+        throw error;
+    }
+    updateAlive(_: Error) {
+        this.keepAlive--;
+    }
+}
+
+export function handleError<C>(crashHandler: ErrorHandling, logging?: Logging) {
+    return (pload: unknown, caught: Observable<C>) => {
+        // This is done to fit the ErrorHandling contract
+        const err = pload instanceof Error ? pload : Error(util.format(pload));
+        if (crashHandler.keepAlive == 0) {
+            crashHandler.crash(err);
+        }
+        //formatted payload
+        logging?.error({ message: util.format(pload) });
+        crashHandler.updateAlive(err);
+        return caught;
+    };
+}

src/handler/contracts/index.ts

@@ -0,0 +1,3 @@
+export { ErrorHandling, DefaultErrorHandling } from './errorHandling';
+export { Logging, DefaultLogging } from './logging';
+export { ModuleManager, DefaultModuleManager } from './moduleManager';

src/handler/contracts/logging.ts

@@ -0,0 +1,31 @@
+import type { LogPayload } from '../../types/handler';
+/**
+ * @since 2.0.0
+ */
+export interface Logging<T = unknown> {
+    error(payload: LogPayload<T>): void;
+    warning(payload: LogPayload<T>): void;
+    info(payload: LogPayload<T>): void;
+    debug(payload: LogPayload<T>): void;
+}
+/**
+ * @since 2.0.0
+ */
+export class DefaultLogging implements Logging {
+    private date = () => new Date();
+    debug(payload: LogPayload): void {
+        console.debug(`DEBUG: ${this.date().toISOString()} -> ${payload.message}`);
+    }
+
+    error(payload: LogPayload): void {
+        console.error(`ERROR: ${this.date().toISOString()} -> ${payload.message}`);
+    }
+
+    info(payload: LogPayload): void {
+        console.info(`INFO: ${this.date().toISOString()} -> ${payload.message}`);
+    }
+
+    warning(payload: LogPayload): void {
+        console.warn(`WARN: ${this.date().toISOString()} -> ${payload.message}`);
+    }
+}

src/handler/contracts/moduleManager.ts

@@ -0,0 +1,27 @@
+import type { CommandModuleDefs } from '../../types/module';
+import type { CommandType, ModuleStore } from '../structures';
+import type { Processed } from '../../types/handler';
+/**
+ * @since 2.0.0
+ */
+export interface ModuleManager {
+    get<T extends CommandType>(
+        strat: (ms: ModuleStore) => Processed<CommandModuleDefs[T]> | undefined,
+    ): Processed<CommandModuleDefs[T]> | undefined;
+    set(strat: (ms: ModuleStore) => void): void;
+}
+/**
+ * @since 2.0.0
+ */
+export class DefaultModuleManager implements ModuleManager {
+    constructor(private moduleStore: ModuleStore) {}
+    get<T extends CommandType>(
+        strat: (ms: ModuleStore) => Processed<CommandModuleDefs[T]> | undefined,
+    ) {
+        return strat(this.moduleStore);
+    }
+
+    set(strat: (ms: ModuleStore) => void): void {
+        strat(this.moduleStore);
+    }
+}

src/handler/dependencies/index.ts

@@ -0,0 +1,2 @@
+export { single, transient, many } from './lifetimeFunctions';
+export { useContainerRaw } from './provider';

src/handler/dependencies/lifetimeFunctions.ts

@@ -0,0 +1,63 @@
+import { _const } from '../utilities/functions';
+
+type NotFunction =
+    | string
+    | number
+    | boolean
+    | null
+    | undefined
+    | bigint
+    | readonly any[]
+    | { apply?: never; [k: string]: any }
+    | { call?: never; [k: string]: any };
+
+/**
+ * @deprecated
+ * @param cb
+ */
+export function single<T extends NotFunction>(cb: T): () => T;
+/**
+ * New signature
+ * @since 2.0.0
+ * @param cb
+ */
+export function single<T extends () => unknown>(cb: T): T;
+/**
+ * @__PURE__
+ * @since 2.0.0.
+ * Please note that on intellij, the deprecation is for all signatures, which is unintended behavior (and
+ * very annoying).
+ * For future versions, ensure that single is being passed as a **callback!!**
+ * @param cb
+ */
+export function single<T>(cb: T) {
+    if (typeof cb === 'function') return cb;
+    return () => cb;
+}
+/**
+ * @deprecated
+ * @param cb
+ * Deprecated signature
+ */
+export function transient<T extends NotFunction>(cb: T): () => () => T;
+export function transient<T extends () => () => unknown>(cb: T): T;
+/**
+ * @__PURE__
+ * @since 2.0.0
+ * Following iti's singleton and transient implementation,
+ * use transient if you want a new dependency every time your container getter is called
+ * @param cb
+ */
+export function transient<T>(cb: (() => () => T) | T) {
+    if (typeof cb !== 'function') return () => () => cb;
+    return cb;
+}
+
+/**
+ * @__PURE__
+ * @deprecated
+ * @param value
+ * Please use the transient function instead
+ */
+// prettier-ignore
+export const many = <T>(value: T) => () => _const(value);

src/handler/dependencies/provider.ts

@@ -0,0 +1,86 @@
+import type { Container } from 'iti';
+import type { Dependencies, DependencyConfiguration, MapDeps } from '../../types/handler';
+import SernEmitter from '../sernEmitter';
+import { DefaultErrorHandling, DefaultLogging, DefaultModuleManager } from '../contracts';
+import { Result } from 'ts-results-es';
+import { BehaviorSubject } from 'rxjs';
+import { createContainer } from 'iti';
+import { type Wrapper, ModuleStore, SernError } from '../structures';
+
+export const containerSubject = new BehaviorSubject(defaultContainer());
+
+/**
+ * Given the user's conf, check for any excluded dependency keys.
+ * Then, call conf.build to get the rest of the users' dependencies.
+ * Finally, update the containerSubject with the new container state
+ * @param conf
+ */
+export function composeRoot<T extends Dependencies>(conf: DependencyConfiguration<T>) {
+    //Get the current container. This should have no client or possible logger yet.
+    const currentContainer = containerSubject.getValue();
+    const excludeLogger = conf.exclude?.has('@sern/logger');
+    if (!excludeLogger) {
+        currentContainer.add({
+            '@sern/logger': () => new DefaultLogging(),
+        });
+    }
+    //Build the container based on the callback provided by the user
+    const container = conf.build(currentContainer);
+    //Check if the built container contains @sern/client or throw
+    // a runtime exception
+    Result.wrap(() => container.get('@sern/client')).expect(SernError.MissingRequired);
+
+    if (!excludeLogger) {
+        container.get('@sern/logger')?.info({ message: 'All dependencies loaded successfully.' });
+    }
+    //I'm sorry little one
+    containerSubject.next(container as any);
+}
+
+export function useContainer<T extends Dependencies>() {
+    const container = containerSubject.getValue() as Container<T, {}>;
+    return <V extends (keyof T)[]>(...keys: [...V]) =>
+        keys.map(key => Result.wrap(() => container.get(key)).unwrapOr(undefined)) as MapDeps<T, V>;
+}
+
+/**
+ * Returns the underlying data structure holding all dependencies.
+ * Please be careful as this only gets the client's current state.
+ * Exposes some methods from iti
+ */
+export function useContainerRaw<T extends Dependencies>() {
+    return containerSubject.getValue() as Container<T, {}>;
+}
+
+/**
+ * Provides all the defaults for sern to function properly.
+ * The only user provided dependency needs to be @sern/client
+ */
+function defaultContainer() {
+    return createContainer()
+        .add({ '@sern/errors': () => new DefaultErrorHandling() })
+        .add({ '@sern/store': () => new ModuleStore() })
+        .add(ctx => {
+            return {
+                '@sern/modules': () => new DefaultModuleManager(ctx['@sern/store']),
+            };
+        })
+        .add({ '@sern/emitter': () => new SernEmitter() }) as Container<
+        Omit<Dependencies, '@sern/client' | '@sern/logger'>,
+        {}
+    >;
+}
+
+export function makeFetcher(wrapper: Wrapper) {
+    const requiredDependencyKeys = [
+        '@sern/emitter',
+        '@sern/client',
+        '@sern/errors',
+        '@sern/logger',
+    ] as ['@sern/emitter', '@sern/client', '@sern/errors', '@sern/logger'];
+    return <Keys extends (keyof Dependencies)[]>(otherKeys: [...Keys]) =>
+        wrapper.containerConfig.get(...requiredDependencyKeys, ...otherKeys) as MapDeps<
+            Dependencies,
+            [...typeof requiredDependencyKeys, ...Keys]
+        >;
+}

src/handler/events/dispatchers.ts

@@ -1,110 +0,0 @@
-import type {
-    BothCommand,
-    ButtonCommand,
-    ContextMenuMsg,
-    ContextMenuUser,
-    ModalSubmitCommand,
-    SelectMenuCommand,
-    SlashCommand,
-} from '../structures/module';
-import Context from '../structures/context';
-import type { SlashOptions } from '../../types/handler';
-import { asyncResolveArray } from '../utilities/asyncResolveArray';
-import { controller } from '../sern';
-import type {
-    ButtonInteraction,
-    ModalSubmitInteraction,
-    SelectMenuInteraction,
-    AutocompleteInteraction,
-    ChatInputCommandInteraction,
-    Interaction,
-    UserContextMenuCommandInteraction,
-    MessageContextMenuCommandInteraction,
-} from 'discord.js';
-import { isAutocomplete } from '../utilities/predicates';
-import { SernError } from '../structures/errors';
-import treeSearch from '../utilities/treeSearch';
-
-export function applicationCommandDispatcher(interaction: Interaction) {
-    if (isAutocomplete(interaction)) {
-        return dispatchAutocomplete(interaction);
-    } else {
-        const ctx = Context.wrap(interaction as ChatInputCommandInteraction);
-        const args: ['slash', SlashOptions] = ['slash', ctx.interaction.options];
-        return (mod: BothCommand | SlashCommand) => ({
-            mod,
-            execute: () => mod.execute(ctx, args),
-            eventPluginRes: asyncResolveArray(
-                mod.onEvent.map(plugs => plugs.execute([ctx, args], controller)),
-            ),
-        });
-    }
-}
-
-export function dispatchAutocomplete(interaction: AutocompleteInteraction) {
-    return (mod: BothCommand | SlashCommand) => {
-        const selectedOption = treeSearch(interaction, mod.options);
-        if (selectedOption !== undefined) {
-            return {
-                mod,
-                execute: () => selectedOption.command.execute(interaction),
-                eventPluginRes: asyncResolveArray(
-                    selectedOption.command.onEvent.map(e => e.execute(interaction, controller)),
-                ),
-            };
-        }
-        throw Error(
-            SernError.NotSupportedInteraction + ` There is no autocomplete tag for this option`,
-        );
-    };
-}
-
-export function modalCommandDispatcher(interaction: ModalSubmitInteraction) {
-    return (mod: ModalSubmitCommand) => ({
-        mod,
-        execute: () => mod.execute(interaction),
-        eventPluginRes: asyncResolveArray(
-            mod.onEvent.map(plugs => plugs.execute([interaction], controller)),
-        ),
-    });
-}
-
-export function buttonCommandDispatcher(interaction: ButtonInteraction) {
-    return (mod: ButtonCommand) => ({
-        mod,
-        execute: () => mod.execute(interaction),
-        eventPluginRes: asyncResolveArray(
-            mod.onEvent.map(plugs => plugs.execute([interaction], controller)),
-        ),
-    });
-}
-
-export function selectMenuCommandDispatcher(interaction: SelectMenuInteraction) {
-    return (mod: SelectMenuCommand) => ({
-        mod,
-        execute: () => mod.execute(interaction),
-        eventPluginRes: asyncResolveArray(
-            mod.onEvent.map(plugs => plugs.execute([interaction], controller)),
-        ),
-    });
-}
-
-export function ctxMenuUserDispatcher(interaction: UserContextMenuCommandInteraction) {
-    return (mod: ContextMenuUser) => ({
-        mod,
-        execute: () => mod.execute(interaction),
-        eventPluginRes: asyncResolveArray(
-            mod.onEvent.map(plugs => plugs.execute([interaction], controller)),
-        ),
-    });
-}
-
-export function ctxMenuMsgDispatcher(interaction: MessageContextMenuCommandInteraction) {
-    return (mod: ContextMenuMsg) => ({
-        mod,
-        execute: () => mod.execute(interaction),
-        eventPluginRes: asyncResolveArray(
-            mod.onEvent.map(plugs => plugs.execute([interaction], controller)),
-        ),
-    });
-}

src/handler/events/dispatchers/dispatchers.ts

@@ -0,0 +1,67 @@
+import type { Processed } from '../../../types/handler';
+import type { AutocompleteInteraction } from 'discord.js';
+import { SernError } from '../../structures';
+import treeSearch from '../../utilities/treeSearch';
+import type { BothCommand, CommandModule, Module, SlashCommand } from '../../../types/module';
+import { EventEmitter } from 'events';
+import * as assert from 'assert';
+import { concatMap, from, fromEvent, map, OperatorFunction, pipe } from 'rxjs';
+import { arrayifySource, callPlugin } from '../operators';
+import { createResultResolver } from '../observableHandling';
+
+export function dispatchCommand(module: Processed<CommandModule>, createArgs: () => unknown[]) {
+    const args = createArgs();
+    return {
+        module,
+        args,
+    };
+}
+
+function intoPayload(module: Processed<Module>) {
+    return pipe(
+        arrayifySource,
+        map(args => ({ module, args })),
+    );
+}
+
+const createResult = createResultResolver<
+    Processed<Module>,
+    { module: Processed<Module>; args: unknown[] },
+    unknown[]
+>({
+    createStream: ({ module, args }) => from(module.onEvent).pipe(callPlugin(args)),
+    onNext: ({ args }) => args,
+});
+/**
+ * Creates an observable from { source }
+ * @param module
+ * @param source
+ */
+export function eventDispatcher(module: Processed<Module>, source: unknown) {
+    assert.ok(source instanceof EventEmitter, `${source} is not an EventEmitter`);
+
+    const execute: OperatorFunction<unknown[], unknown> = concatMap(async args =>
+        module.execute(...args),
+    );
+    return fromEvent(source, module.name).pipe(
+        intoPayload(module),
+        concatMap(createResult),
+        execute,
+    );
+}
+
+export function dispatchAutocomplete(
+    module: Processed<BothCommand | SlashCommand>,
+    interaction: AutocompleteInteraction,
+) {
+    const option = treeSearch(interaction, module.options);
+    if (option !== undefined) {
+        return {
+            module: option.command as Processed<Module>, //autocomplete is not a true "module" warning cast!
+            args: [interaction],
+        };
+    }
+    throw Error(
+        SernError.NotSupportedInteraction + ` There is no autocomplete tag for this option`,
+    );
+}

src/handler/events/dispatchers/index.ts

@@ -0,0 +1,2 @@
+export * from './dispatchers';
+export * from './provideArgs';

src/handler/events/dispatchers/provideArgs.ts

@@ -0,0 +1,23 @@
+import type { ChatInputCommandInteraction, Interaction, Message } from 'discord.js';
+import { Context } from '../../structures';
+import type { Args, SlashOptions } from '../../../types/handler';
+
+/**
+ * function overloads to create an arguments list for Context
+ * @param wrap
+ * @param messageArgs
+ */
+export function contextArgs(
+    wrap: Message,
+    messageArgs?: string[],
+): () => [Context, ['text', string[]]];
+export function contextArgs(wrap: Interaction): () => [Context, ['slash', SlashOptions]];
+export function contextArgs(wrap: Interaction | Message, messageArgs?: string[]) {
+    const ctx = Context.wrap(wrap as ChatInputCommandInteraction | Message);
+    const args = ctx.isMessage() ? ['text', messageArgs!] : ['slash', ctx.interaction.options];
+    return () => [ctx, args] as [Context, Args];
+}
+
+export function interactionArg<T extends Interaction>(interaction: T) {
+    return () => [interaction] as [T];
+}

src/handler/events/eventsHandler.ts

@@ -1,10 +0,0 @@
-import type Wrapper from '../structures/wrapper';
-import { Subject, type Observable } from 'rxjs';
-
-export abstract class EventsHandler<T> {
-    protected payloadSubject = new Subject<T>();
-    protected abstract discordEvent: Observable<unknown>;
-    protected constructor(protected wrapper: Wrapper) {}
-    protected abstract init(): void;
-    protected abstract setState(state: T): void;
-}

src/handler/events/interactionHandler.ts

@@ -1,129 +1,118 @@
-import type { Interaction } from 'discord.js';
-import { concatMap, from, fromEvent, map, Observable } from 'rxjs';
-import type Wrapper from '../structures/wrapper';
-import { EventsHandler } from './eventsHandler';
+import { Interaction } from 'discord.js';
 import {
-    isApplicationCommand,
-    isAutocomplete,
-    isMessageComponent,
-    isModalSubmit,
-} from '../utilities/predicates';
-import * as Files from '../utilities/readFile';
-import type { CommandModule } from '../structures/module';
-import { SernError } from '../structures/errors';
-import { CommandType } from '../structures/enums';
-import { match, P } from 'ts-pattern';
-import {
-    applicationCommandDispatcher,
-    buttonCommandDispatcher,
-    ctxMenuMsgDispatcher,
-    ctxMenuUserDispatcher,
-    modalCommandDispatcher,
-    selectMenuCommandDispatcher,
-} from './dispatchers';
-import type {
-    ButtonInteraction,
-    ModalSubmitInteraction,
-    SelectMenuInteraction,
-    UserContextMenuCommandInteraction,
-    MessageContextMenuCommandInteraction,
-} from 'discord.js';
-import { executeModule } from './observableHandling';
+    catchError,
+    concatMap,
+    EMPTY,
+    filter,
+    finalize,
+    fromEvent,
+    map,
+    Observable,
+    of,
+    OperatorFunction,
+    pipe,
+} from 'rxjs';
+import { CommandType, type ModuleStore, SernError } from '../structures';
+import { contextArgs, dispatchAutocomplete, dispatchCommand, interactionArg } from './dispatchers';
+import { executeModule, makeModuleExecutor } from './observableHandling';
+import type { CommandModule } from '../../types/module';
+import { ErrorHandling, handleError } from '../contracts/errorHandling';
+import SernEmitter from '../sernEmitter';
+import type { Processed } from '../../types/handler';
+import { useContainerRaw } from '../dependencies';
+import type { Logging, ModuleManager } from '../contracts';
+import type { EventEmitter } from 'node:events';
 
-export default class InteractionHandler extends EventsHandler<{
+function makeInteractionProcessor(
+    modules: ModuleManager,
+): OperatorFunction<Interaction, { module: Processed<CommandModule>; event: Interaction }> {
+    const get = (cb: (ms: ModuleStore) => Processed<CommandModule> | undefined) => {
+        return modules.get(cb);
+    };
+    return pipe(
+        concatMap(event => {
+            if (event.isMessageComponent()) {
+                const customId = event.customId;
+                const module = get(ms => {
+                    return ms.InteractionHandlers[event.componentType].get(customId);
+                });
+                return of({ module, event });
+            } else if (event.isCommand() || event.isAutocomplete()) {
+                const commandName = event.commandName;
+                const module = get(
+                    ms =>
+                        /**
+                         * try to fetch from ApplicationCommands, if nothing, try BothCommands
+                         * exists on the API but not sern
+                         */
+                        ms.ApplicationCommands[event.commandType].get(commandName) ??
+                        ms.BothCommands.get(commandName),
+                );
+                return of({ module, event });
+            } else if (event.isModalSubmit()) {
+                const module = get(ms => ms.ModalSubmit.get(event.customId));
+                return of({ module, event });
+            } else return EMPTY;
+        }),
+        filter(m => m.module !== undefined),
+    ) as OperatorFunction<Interaction, { module: Processed<CommandModule>; event: Interaction }>;
+}
+
+export function makeInteractionCreate([s, client, err, log, modules]: [
+    SernEmitter,
+    EventEmitter,
+    ErrorHandling,
+    Logging | undefined,
+    ModuleManager,
+]) {
+    //map. If nothing again,this means a slash command
+    const interactionStream$ = fromEvent(client, 'interactionCreate') as Observable<Interaction>;
+    const interactionProcessor = makeInteractionProcessor(modules);
+    return interactionStream$
+        .pipe(
+            interactionProcessor,
+            map(createDispatcher),
+            makeModuleExecutor(module => {
+                s.emit('module.activate', SernEmitter.failure(module, SernError.PluginFailure));
+            }),
+            concatMap(module => executeModule(s, module)),
+            catchError(handleError(err, log)),
+            finalize(() => {
+                log?.info({
+                    message: 'interactionCreate stream closed or reached end of lifetime',
+                });
+                useContainerRaw()
+                    ?.disposeAll()
+                    .then(() => log?.info({ message: 'Cleaning container and crashing' }));
+            }),
+        )
+        .subscribe();
+}
+
+function createDispatcher({
+    module,
+    event,
+}: {
     event: Interaction;
-    mod: CommandModule;
-}> {
-    protected override discordEvent: Observable<Interaction>;
-
-    constructor(protected wrapper: Wrapper) {
-        super(wrapper);
-        this.discordEvent = <Observable<Interaction>>fromEvent(wrapper.client, 'interactionCreate');
-        this.init();
-
-        this.payloadSubject
-            .pipe(
-                map(this.processModules),
-                concatMap(({ mod, execute, eventPluginRes }) => {
-                    //resolve all the Results from event plugins
-                    return from(eventPluginRes).pipe(map(res => ({ mod, res, execute })));
-                }),
-                concatMap(payload => executeModule(wrapper, payload)),
-            )
-            .subscribe({
-                error: err => {
-                    wrapper.sernEmitter?.emit('error', err);
-                },
-            });
-    }
-
-    override init() {
-        this.discordEvent.subscribe({
-            next: event => {
-                if (isMessageComponent(event)) {
-                    const mod = Files.MessageCompCommands[event.componentType].get(
-                        event.customId,
-                    );
-                    this.setState({ event, mod });
-                } else if (isApplicationCommand(event) || isAutocomplete(event)) {
-                    const mod =
-                        Files.ApplicationCommands[event.commandType].get(
-                            event.commandName,
-                        ) ?? Files.BothCommands.get(event.commandName);
-                    this.setState({ event, mod });
-                } else if (isModalSubmit(event)) {
-                    /**
-                     * maybe move modal submits into message component object maps?
-                     */
-                    const mod = Files.ModalSubmitCommands.get(event.customId);
-                    this.setState({ event, mod });
-                } else {
-                    throw Error('This interaction is not supported yet');
-                }
-            },
-            error: e => {
-                this.wrapper.sernEmitter?.emit('error', e);
-            },
-        });
-    }
-
-    protected setState(state: { event: Interaction; mod: CommandModule | undefined }): void {
-        if (state.mod === undefined) {
-            this.wrapper?.sernEmitter?.emit('warning', 'Found no module for this interaction');
-        } else {
-            //if statement above checks already, safe cast
-            this.payloadSubject.next(state as { event: Interaction; mod: CommandModule });
+    module: Processed<CommandModule>;
+}) {
+    switch (module.type) {
+        case CommandType.Text:
+            throw Error(SernError.MismatchEvent);
+        case CommandType.Slash:
+        case CommandType.Both: {
+            if (event.isAutocomplete()) {
+                /**
+                 * Autocomplete is a special case that
+                 * must be handled separately, since it's
+                 * too different from regular command modules
+                 */
+                return dispatchAutocomplete(module, event);
+            } else {
+                return dispatchCommand(module, contextArgs(event));
+            }
         }
-    }
-
-    protected processModules({ mod, event }: { event: Interaction; mod: CommandModule }) {
-        return match(mod)
-            .with(
-                { type: P.union(CommandType.Slash, CommandType.Both) },
-                applicationCommandDispatcher(event),
-            )
-            .with(
-                { type: CommandType.Modal },
-                modalCommandDispatcher(event as ModalSubmitInteraction),
-            )
-            .with(
-                { type: CommandType.Button },
-                buttonCommandDispatcher(event as ButtonInteraction),
-            )
-            .with(
-                { type: CommandType.MenuSelect },
-                selectMenuCommandDispatcher(event as SelectMenuInteraction),
-            )
-            .with(
-                { type: CommandType.MenuUser },
-                ctxMenuUserDispatcher(event as UserContextMenuCommandInteraction),
-            )
-            .with(
-                { type: CommandType.MenuMsg },
-                ctxMenuMsgDispatcher(event as MessageContextMenuCommandInteraction),
-            )
-            .otherwise(() => {
-                throw Error(SernError.MismatchModule);
-            });
+        default:
+            return dispatchCommand(module, interactionArg(event));
     }
 }

src/handler/events/messageHandler.ts

@@ -1,80 +1,92 @@
-import { EventsHandler } from './eventsHandler';
-import { concatMap, from, fromEvent, map, Observable, of, switchMap } from 'rxjs';
-import type Wrapper from '../structures/wrapper';
+import { catchError, concatMap, EMPTY, finalize, fromEvent, map, Observable, of, pipe } from 'rxjs';
+import { type ModuleStore, SernError } from '../structures';
 import type { Message } from 'discord.js';
-import { executeModule, ignoreNonBot, isOneOfCorrectModules } from './observableHandling';
-import { fmt } from '../utilities/messageHelpers';
-import Context from '../structures/context';
-import * as Files from '../utilities/readFile';
-import type { TextCommand } from '../structures/module';
-import { CommandType } from '../structures/enums';
-import { asyncResolveArray } from '../utilities/asyncResolveArray';
-import { controller } from '../sern';
+import { executeModule, ignoreNonBot, makeModuleExecutor } from './observableHandling';
+import type { CommandModule, TextCommand } from '../../types/module';
+import { ErrorHandling, handleError } from '../contracts/errorHandling';
+import { contextArgs, dispatchCommand } from './dispatchers';
+import SernEmitter from '../sernEmitter';
+import type { Processed } from '../../types/handler';
+import { useContainerRaw } from '../dependencies';
+import type { Logging, ModuleManager } from '../contracts';
+import type { EventEmitter } from 'node:events';
 
-export default class MessageHandler extends EventsHandler<{
-    ctx: Context;
-    args: ['text', string[]];
-    mod: TextCommand;
-}> {
-    protected discordEvent: Observable<Message>;
-    public constructor(wrapper: Wrapper) {
-        super(wrapper);
-        this.discordEvent = <Observable<Message>>fromEvent(wrapper.client, 'messageCreate');
-        this.init();
-        this.payloadSubject
-            .pipe(
-                switchMap(({ mod, ctx, args }) => {
-                    const res = asyncResolveArray(
-                        mod.onEvent.map(ePlug => {
-                            return ePlug.execute([ctx, args], controller);
-                        }),
-                    );
-                    const execute = () => {
-                        return mod.execute(ctx, args);
-                    };
-                    //resolves the promise and re-emits it back into source
-                    return from(res).pipe(map(res => ({ mod, execute, res })));
-                }),
-                concatMap(payload => executeModule(wrapper, payload)),
-            )
-            .subscribe({
-                error: err => {
-                    wrapper.sernEmitter?.emit('error', err);
-                },
-            });
-    }
-
-    protected init(): void {
-        if (this.wrapper.defaultPrefix === undefined) return; //for now, just ignore if prefix doesn't exist
-        const { defaultPrefix } = this.wrapper;
-        this.discordEvent
-            .pipe(
-                ignoreNonBot(this.wrapper.defaultPrefix),
-                map(message => {
-                    const [prefix, ...rest] = fmt(message, defaultPrefix);
-                    return {
-                        ctx: Context.wrap(message),
-                        args: <['text', string[]]>['text', rest],
-                        mod:
-                            Files.TextCommands.text.get(prefix) ??
-                            Files.BothCommands.get(prefix) ??
-                            Files.TextCommands.aliases.get(prefix),
-                    };
-                }),
-                concatMap(element => {
-                    return of(element.mod).pipe(
-                        isOneOfCorrectModules(CommandType.Text),
-                        map(mod => ({ ...element, mod })),
-                    );
-                }),
-            )
-            .subscribe({
-                next: value => this.setState(value),
-                error: err => this.wrapper.sernEmitter?.emit('error', err),
-            });
-    }
-
-    protected setState(state: { ctx: Context; args: ['text', string[]]; mod: TextCommand }) {
-        this.payloadSubject.next(state);
-    }
+/**
+ * Removes the first character(s) _[depending on prefix length]_ of the message
+ * @param msg
+ * @param prefix The prefix to remove
+ * @returns The message without the prefix
+ * @example
+ * message.content = '!ping';
+ * console.log(fmt(message, '!'));
+ * // [ 'ping' ]
+ */
+export function fmt(msg: string, prefix: string): string[] {
+    return msg.slice(prefix.length).trim().split(/\s+/g);
+}
+
+/**
+ * An operator function that processes a message to fetch a command module and prepares context payload.
+ * @param defaultPrefix
+ * @param get
+ */
+const createMessageProcessor = (
+    defaultPrefix: string,
+    get: (
+        cb: (ms: ModuleStore) => Processed<CommandModule> | undefined,
+    ) => CommandModule | undefined,
+) =>
+    pipe(
+        ignoreNonBot(defaultPrefix),
+        //This concatMap checks if module is undefined, and if it is, do not continue.
+        // Synonymous to filterMap, but I haven't thought of a generic implementation for filterMap yet
+        concatMap(message => {
+            const [prefix, ...rest] = fmt(message.content, defaultPrefix);
+            const module = get(ms => ms.TextCommands.get(prefix) ?? ms.BothCommands.get(prefix));
+            if (module === undefined) {
+                return EMPTY;
+            }
+            const payload = {
+                args: contextArgs(message, rest),
+                module,
+            };
+            return of(payload);
+        }),
+        map(({ args, module }) => dispatchCommand(module as Processed<TextCommand>, args)),
+    );
+
+export function makeMessageCreate(
+    [s, client, err, log, modules]: [
+        SernEmitter,
+        EventEmitter,
+        ErrorHandling,
+        Logging | undefined,
+        ModuleManager,
+    ],
+    defaultPrefix?: string,
+) {
+    if (!defaultPrefix) {
+        return EMPTY.subscribe();
+    }
+    const get = (cb: (ms: ModuleStore) => Processed<CommandModule> | undefined) => {
+        return modules.get(cb);
+    };
+    const messageStream$ = fromEvent(client, 'messageCreate') as Observable<Message>;
+    const messageProcessor = createMessageProcessor(defaultPrefix, get);
+    return messageStream$
+        .pipe(
+            messageProcessor,
+            makeModuleExecutor(module => {
+                s.emit('module.activate', SernEmitter.failure(module, SernError.PluginFailure));
+            }),
+            concatMap(payload => executeModule(s, payload)),
+            catchError(handleError(err, log)),
+            finalize(() => {
+                log?.info({ message: 'messageCreate stream closed or reached end of lifetime' });
+                useContainerRaw()
+                    ?.disposeAll()
+                    .then(() => log?.info({ message: 'Cleaning container and crashing' }));
+            }),
+        )
+        .subscribe();
 }

src/handler/events/observableHandling.ts

@@ -1,99 +1,121 @@
-import type { Message } from 'discord.js';
-import { from, Observable, of, tap, throwError } from 'rxjs';
-import { SernError } from '../structures/errors';
-import type { Module, CommandModuleDefs, CommandModule } from '../structures/module';
-import type { Result } from 'ts-results-es';
-import type { CommandType } from '../structures/enums';
-import type Wrapper from '../structures/wrapper';
-import { PayloadType } from '../structures/enums';
+import type { Awaitable, Message } from 'discord.js';
+import { concatMap, EMPTY, filter, from, Observable, of, tap, throwError } from 'rxjs';
+import { Result } from 'ts-results-es';
+import type { CommandModule, EventModule, Module } from '../../types/module';
+import SernEmitter from '../sernEmitter';
+import { callPlugin, everyPluginOk, filterMapTo } from './operators';
+import type { ImportPayload, Processed } from '../../types/handler';
+import type { ControlPlugin, VoidResult } from '../../types/plugin';
 
-
-export function ignoreNonBot(prefix: string) {
-    return (src: Observable<Message>) =>
-        new Observable<Message>(subscriber => {
-            return src.subscribe({
-                next(m) {
-                    const messageFromHumanAndHasPrefix =
-                        !m.author.bot &&
-                        m.content
-                            .slice(0, prefix.length)
-                            .localeCompare(prefix, undefined, { sensitivity: 'accent' }) === 0;
-                    if (messageFromHumanAndHasPrefix) {
-                        subscriber.next(m);
-                    }
-                },
-                error: e => subscriber.error(e),
-                complete: () => subscriber.complete(),
-            });
-        });
+function hasPrefix(prefix: string, content: string) {
+    const prefixInContent = content.slice(0, prefix.length);
+    return prefixInContent.localeCompare(prefix, undefined, { sensitivity: 'accent' }) === 0;
 }
 
 /**
- * If the current value in Result stream is an error, calls callback.
- * @param cb
+ * Ignores messages from any person / bot except itself
+ * @param prefix
  */
-export function errTap<T extends Module>(cb: (err: SernError) => void) {
-    return (src: Observable<Result<{ mod: T; absPath: string }, SernError>>) =>
-        new Observable<{ mod: T; absPath: string }>(subscriber => {
-            return src.subscribe({
-                next(value) {
-                    if (value.err) {
-                        cb(value.val);
-                    } else {
-                        subscriber.next(value.val);
-                    }
-                },
-                error: e => subscriber.error(e),
-                complete: () => subscriber.complete(),
-            });
-        });
+export function ignoreNonBot(prefix: string) {
+    const messageFromHumanAndHasPrefix = ({ author, content }: Message) =>
+        !author.bot && hasPrefix(prefix, content);
+    return filter(messageFromHumanAndHasPrefix);
 }
 
-//POG
-export function isOneOfCorrectModules<T extends readonly CommandType[]>(...inputs: [...T]) {
-    return (src: Observable<CommandModule | undefined>) => {
-        return new Observable<CommandModuleDefs[T[number]]>(subscriber => {
-            return src.subscribe({
-                next(mod) {
-                    if (mod === undefined) {
-                        return throwError(() => SernError.UndefinedModule);
-                    }
-                    if (inputs.some(type => (mod.type & type) !== 0)) {
-                        subscriber.next(mod as CommandModuleDefs[T[number]]);
-                    } else {
-                        return throwError(() => SernError.MismatchModule);
-                    }
-                },
-                error: e => subscriber.error(e),
-                complete: () => subscriber.complete(),
-            });
-        });
+/**
+ * Wraps the task in a Result as a try / catch.
+ * if the task is ok, an event is emitted and the stream becomes empty
+ * if the task is an error, throw an error down the stream which will be handled by catchError
+ * @param emitter reference to SernEmitter that will emit a successful execution of module
+ * @param module the module that will be executed with task
+ * @param task the deferred execution which will be called
+ */
+export function executeModule(
+    emitter: SernEmitter,
+    {
+        module,
+        task,
+    }: {
+        module: Processed<Module>;
+        task: () => Awaitable<unknown>;
+    },
+) {
+    return of(module).pipe(
+        //converting the task into a promise so rxjs can resolve the Awaitable properly
+        concatMap(() => Result.wrapAsync(async () => task())),
+        concatMap(result => {
+            if (result.ok) {
+                emitter.emit('module.activate', SernEmitter.success(module));
+                return EMPTY;
+            } else {
+                return throwError(() => SernEmitter.failure(module, result.val));
+            }
+        }),
+    );
+}
+
+/**
+ * A higher order function that
+ * - creates a stream of {@link VoidResult} { config.createStream }
+ * - any failures results to { config.onFailure } being called
+ * - if all results are ok, the stream is converted to { config.onSuccess }
+ * emit config.onSuccess Observable
+ * @param config
+ * @returns receiver function for flattening a stream of data
+ */
+export function createResultResolver<
+    T extends { execute: (...args: any[]) => any; onEvent: ControlPlugin[] },
+    Args extends { module: T; [key: string]: unknown },
+    Output,
+>(config: {
+    onStop?: (module: T) => unknown;
+    onNext: (args: Args) => Output;
+    createStream: (args: Args) => Observable<VoidResult>;
+}) {
+    return (args: Args) => {
+        const task$ = config.createStream(args);
+        return task$.pipe(
+            tap(result => {
+                if (result.err) {
+                    config.onStop?.(args.module);
+                }
+            }),
+            everyPluginOk,
+            filterMapTo(() => config.onNext(args)),
+        );
     };
 }
 
-export function executeModule(
-    wrapper: Wrapper,
-    payload: {
-        mod: CommandModule;
-        execute: () => unknown;
-        res: Result<void, void>[];
-    },
-) {
-    if (payload.res.every(el => el.ok)) {
-        return from(Promise.resolve(payload.execute())).pipe(
-            tap(() => {
-                wrapper.sernEmitter?.emit('module.activate', {
-                    type: PayloadType.Success,
-                    module: payload.mod,
-                });
-            }),
-        );
-    } else {
-        wrapper.sernEmitter?.emit('module.activate', {
-            type: PayloadType.Failure,
-            module: payload.mod,
-            reason: SernError.PluginFailure,
-        });
-        return of(null);
-    }
+/**
+ * Calls a module's init plugins and checks for Err. If so, call { onStop } and
+ * ignore the module
+ */
+export function callInitPlugins<
+    T extends Processed<CommandModule | EventModule>,
+    Args extends ImportPayload<T>,
+>(config: { onStop?: (module: T) => unknown; onNext: (module: Args) => T }) {
+    return concatMap(
+        createResultResolver({
+            createStream: args => from(args.module.plugins).pipe(callPlugin(args)),
+            ...config,
+        }),
+    );
+}
+
+/**
+ * Creates an executable task ( execute the command ) if  all control plugins are successful
+ * @param onStop emits a failure response to the SernEmitter
+ */
+export function makeModuleExecutor<
+    M extends Processed<Module>,
+    Args extends { module: M; args: unknown[] },
+>(onStop: (m: M) => unknown) {
+    const onNext = ({ args, module }: Args) => ({ task: () => module.execute(...args), module });
+    return concatMap(
+        createResultResolver({
+            onStop,
+            createStream: ({ args, module }) => from(module.onEvent).pipe(callPlugin(args)),
+            onNext,
+        }),
+    );
 }

src/handler/events/operators/index.ts

@@ -0,0 +1,82 @@
+/**
+ * This file holds sern's rxjs operators used for processing data.
+ * Each function should be modular and testable, not bound to discord / sern
+ * and independent of each other
+ */
+
+import { concatMap, defaultIfEmpty, EMPTY, every, map, of, OperatorFunction, pipe } from 'rxjs';
+import type { AnyModule } from '../../../types/module';
+import { nameOrFilename } from '../../utilities/functions';
+import type { PluginResult, VoidResult } from '../../../types/plugin';
+import { guayin } from '../../plugins';
+import { controller } from '../../sern';
+import { Result } from 'ts-results-es';
+import { ImportPayload, Processed } from '../../../types/handler';
+/**
+ * if {src} is true, mapTo V, else ignore
+ * @param item
+ */
+export function filterMapTo<V>(item: () => V): OperatorFunction<boolean, V> {
+    return concatMap(shouldKeep => (shouldKeep ? of(item()) : EMPTY));
+}
+
+/**
+ * Calls any plugin with {args}.
+ * @param args if an array, its spread and plugin called.
+ */
+export function callPlugin(args: unknown): OperatorFunction<
+    {
+        execute: (...args: unknown[]) => PluginResult;
+    },
+    VoidResult
+> {
+    return concatMap(async plugin => {
+        const isNewPlugin = Reflect.has(plugin, guayin);
+        if (isNewPlugin) {
+            if (Array.isArray(args)) {
+                return plugin.execute(...args);
+            }
+            return plugin.execute(args);
+        } else {
+            return plugin.execute(args, controller);
+        }
+    });
+}
+
+export const arrayifySource = map(src => (Array.isArray(src) ? (src as unknown[]) : [src]));
+
+export const fillDefaults = <T extends AnyModule>({ module, absPath }: ImportPayload<T>) => {
+    return {
+        absPath,
+        module: {
+            name: nameOrFilename(module?.name, absPath),
+            description: module?.description ?? '...',
+            ...module,
+        },
+    };
+};
+
+/**
+ * If the current value in Result stream is an error, calls callback.
+ * This also extracts the Ok value from Result
+ * @param cb
+ * @returns Observable<{ module: T; absPath: string }>
+ */
+export function errTap<Ok, Err>(cb: (err: Err) => void): OperatorFunction<Result<Ok, Err>, Ok> {
+    return concatMap(result => {
+        if (result.ok) {
+            return of(result.val);
+        } else {
+            cb(result.val as Err);
+            return EMPTY;
+        }
+    });
+}
+
+/**
+ * Checks if the stream of results is all ok.
+ */
+export const everyPluginOk: OperatorFunction<VoidResult, boolean> = pipe(
+    every(result => result.ok),
+    defaultIfEmpty(true),
+);

src/handler/events/readyHandler.ts

@@ -1,159 +1,106 @@
-import { EventsHandler } from './eventsHandler';
-import type Wrapper from '../structures/wrapper';
-import { concatMap, fromEvent, Observable, map, take, of, from, toArray, switchMap } from 'rxjs';
-import type { CommandModule } from '../structures/module';
-import * as Files from '../utilities/readFile';
-import { errTap } from './observableHandling';
-import type { DefinedCommandModule } from '../../types/handler';
-import { basename } from 'path';
-import { CommandType, PayloadType, PluginType } from '../structures/enums';
-import { processCommandPlugins } from './userDefinedEventsHandling';
-import type { Awaitable } from 'discord.js';
-import { SernError } from '../structures/errors';
-import { match } from 'ts-pattern';
-import { type Result, Err, Ok } from 'ts-results-es';
+import { fromEvent, map, pipe, switchMap, take } from 'rxjs';
+import * as Files from '../module-loading/readFile';
+import { callInitPlugins } from './observableHandling';
+import { CommandType, type ModuleStore, SernError } from '../structures';
+import { Result } from 'ts-results-es';
 import { ApplicationCommandType, ComponentType } from 'discord.js';
+import type { CommandModule } from '../../types/module';
+import type { Processed } from '../../types/handler';
+import type { ErrorHandling, Logging, ModuleManager } from '../contracts';
+import { err, ok } from '../utilities/functions';
+import { errTap, fillDefaults } from './operators';
+import SernEmitter from '../sernEmitter';
+import type { EventEmitter } from 'node:events';
 
-export default class ReadyHandler extends EventsHandler<{
-    mod: DefinedCommandModule;
-    absPath: string;
-}> {
-    protected discordEvent!: Observable<{ mod: CommandModule; absPath: string }>;
-    constructor(wrapper: Wrapper) {
-        super(wrapper);
-        const ready$ = fromEvent(this.wrapper.client, 'ready').pipe(take(1));
-        this.discordEvent = ready$.pipe(
-            concatMap(() =>
-                Files.buildData<CommandModule>(this.wrapper.commands).pipe(
-                    errTap(reason =>
-                        wrapper.sernEmitter?.emit('module.register', {
-                            type: PayloadType.Failure,
-                            module: undefined,
-                            reason,
-                        }),
-                    ),
-                ),
-            ),
-        );
-        this.init();
-        this.payloadSubject
-            .pipe(
-                concatMap(payload => this.processPlugins(payload)),
-                concatMap(payload => this.resolvePlugins(payload)),
-            )
-            .subscribe(payload => {
-                const allPluginsSuccessful = payload.pluginRes.every(({ execute }) => execute.ok);
-                if (allPluginsSuccessful) {
-                    const res = registerModule(payload.mod);
-                    if (res.err) {
-                        throw Error(SernError.InvalidModuleType);
-                    }
-                    wrapper.sernEmitter?.emit('module.register', {
-                        type: PayloadType.Success,
-                        module: payload.mod,
-                    });
-                } else {
-                    wrapper.sernEmitter?.emit('module.register', {
-                        type: PayloadType.Failure,
-                        module: payload.mod,
-                        reason: SernError.PluginFailure,
-                    });
-                }
-            });
-    }
-    private static intoDefinedModule({ absPath, mod }: { absPath: string; mod: CommandModule }): {
-        absPath: string;
-        mod: DefinedCommandModule;
-    } {
-        return {
-            absPath,
-            mod: {
-                name: mod?.name ?? Files.fmtFileName(basename(absPath)),
-                description: mod?.description ?? '...',
-                ...mod,
-            },
-        };
-    }
-
-    private resolvePlugins({
-        mod,
-        cmdPluginRes,
-    }: {
-        mod: DefinedCommandModule;
-        cmdPluginRes: {
-            name: string;
-            description: string;
-            execute: Awaitable<Result<void, void>>;
-            type: PluginType.Command;
-        }[];
-    }) {
-        if (mod.plugins.length === 0) {
-            return of({ mod, pluginRes: [] });
-        }
-        // modules with no event plugins are ignored in the previous
-        return from(cmdPluginRes).pipe(
-            switchMap(pl =>
-                from(pl.execute).pipe(
-                    map(execute => ({ ...pl, execute })),
-                    toArray(),
-                ),
-            ),
-            map(pluginRes => ({ mod, pluginRes })),
-        );
-    }
-
-    private processPlugins(payload: { mod: DefinedCommandModule; absPath: string }) {
-        const cmdPluginRes = processCommandPlugins(this.wrapper, payload);
-        return of({ mod: payload.mod, cmdPluginRes });
-    }
-
-    protected init() {
-        this.discordEvent.pipe(map(ReadyHandler.intoDefinedModule)).subscribe({
-            next: value => this.setState(value),
-            complete: () => this.payloadSubject.unsubscribe(),
+function buildCommandModules(commandDir: string, sernEmitter: SernEmitter) {
+    return pipe(
+        switchMap(() => Files.buildModuleStream<CommandModule>(commandDir)),
+        errTap(error => {
+            sernEmitter.emit('module.register', SernEmitter.failure(undefined, error));
+        }),
+        map(fillDefaults),
+    );
+}
+export function makeReadyEvent(
+    [sEmitter, client, errorHandler, , moduleManager]: [
+        SernEmitter,
+        EventEmitter,
+        ErrorHandling,
+        Logging | undefined,
+        ModuleManager,
+    ],
+    commandDir: string,
+) {
+    const readyOnce$ = fromEvent(client, 'ready').pipe(take(1));
+    return readyOnce$
+        .pipe(
+            buildCommandModules(commandDir, sEmitter),
+            callInitPlugins({
+                onStop: module => {
+                    sEmitter.emit(
+                        'module.register',
+                        SernEmitter.failure(module, SernError.PluginFailure),
+                    );
+                },
+                onNext: ({ module }) => {
+                    sEmitter.emit('module.register', SernEmitter.success(module));
+                    return module;
+                },
+            }),
+        )
+        .subscribe(module => {
+            const result = registerModule(moduleManager, module as Processed<CommandModule>);
+            if (result.err) {
+                errorHandler.crash(Error(SernError.InvalidModuleType));
+            }
         });
-    }
-    protected setState(state: { absPath: string; mod: DefinedCommandModule }): void {
-        this.payloadSubject.next(state);
-    }
 }
 
-function registerModule(mod: DefinedCommandModule): Result<void, void> {
+function registerModule<T extends Processed<CommandModule>>(
+    manager: ModuleManager,
+    mod: T,
+): Result<void, void> {
     const name = mod.name;
-    return match<DefinedCommandModule>(mod)
-        .with({ type: CommandType.Text }, mod => {
-            mod.alias?.forEach(a => Files.TextCommands.aliases.set(a, mod));
-            Files.TextCommands.text.set(name, mod);
-            return Ok.EMPTY;
-        })
-        .with({ type: CommandType.Slash }, mod => {
-            Files.ApplicationCommands[ApplicationCommandType.ChatInput].set(name, mod);
-            return Ok.EMPTY;
-        })
-        .with({ type: CommandType.Both }, mod => {
-            Files.BothCommands.set(name, mod);
-            mod.alias?.forEach(a => Files.TextCommands.aliases.set(a, mod));
-            return Ok.EMPTY;
-        })
-        .with({ type: CommandType.MenuUser }, mod => {
-            Files.ApplicationCommands[ApplicationCommandType.User].set(name, mod);
-            return Ok.EMPTY;
-        })
-        .with({ type: CommandType.MenuMsg }, mod => {
-            Files.ApplicationCommands[ApplicationCommandType.Message].set(name, mod);
-            return Ok.EMPTY;
-        })
-        .with({ type: CommandType.Button }, mod => {
-            Files.MessageCompCommands[ComponentType.Button].set(name, mod);
-            return Ok.EMPTY;
-        })
-        .with({ type: CommandType.MenuSelect }, mod => {
-            Files.MessageCompCommands[ComponentType.SelectMenu].set(name, mod);
-            return Ok.EMPTY;
-        })
-        .with({ type: CommandType.Modal }, mod => {
-            Files.ModalSubmitCommands.set(name, mod);
-            return Ok.EMPTY;
-        })
-        .otherwise(() => Err.EMPTY);
+    const insert = (cb: (ms: ModuleStore) => void) => {
+        const set = Result.wrap(() => manager.set(cb));
+        return set.ok ? ok() : err();
+    };
+    switch (mod.type) {
+        case CommandType.Text: {
+            mod.alias?.forEach(a => insert(ms => ms.TextCommands.set(a, mod)));
+            return insert(ms => ms.TextCommands.set(name, mod));
+        }
+        case CommandType.Slash:
+            return insert(ms =>
+                ms.ApplicationCommands[ApplicationCommandType.ChatInput].set(name, mod),
+            );
+        case CommandType.Both: {
+            mod.alias?.forEach(a => insert(ms => ms.TextCommands.set(a, mod)));
+            return insert(ms => ms.BothCommands.set(name, mod));
+        }
+        case CommandType.CtxUser:
+            return insert(ms => ms.ApplicationCommands[ApplicationCommandType.User].set(name, mod));
+        case CommandType.CtxMsg:
+            return insert(ms =>
+                ms.ApplicationCommands[ApplicationCommandType.Message].set(name, mod),
+            );
+        case CommandType.Button:
+            return insert(ms => ms.InteractionHandlers[ComponentType.Button].set(name, mod));
+        case CommandType.StringSelect:
+            return insert(ms => ms.InteractionHandlers[ComponentType.StringSelect].set(name, mod));
+        case CommandType.MentionableSelect:
+            return insert(ms =>
+                ms.InteractionHandlers[ComponentType.MentionableSelect].set(name, mod),
+            );
+        case CommandType.UserSelect:
+            return insert(ms => ms.InteractionHandlers[ComponentType.UserSelect].set(name, mod));
+        case CommandType.ChannelSelect:
+            return insert(ms => ms.InteractionHandlers[ComponentType.ChannelSelect].set(name, mod));
+        case CommandType.RoleSelect:
+            return insert(ms => ms.InteractionHandlers[ComponentType.RoleSelect].set(name, mod));
+        case CommandType.Modal:
+            return insert(ms => ms.ModalSubmit.set(name, mod));
+        default:
+            return err();
+    }
 }

src/handler/events/userDefinedEventsHandling.ts

@@ -1,87 +1,74 @@
-import { from, fromEvent, map } from 'rxjs';
-import * as Files from '../utilities/readFile';
-import { buildData, ExternalEventEmitters } from '../utilities/readFile';
-import { controller } from '../sern';
-import type {
-    DefinedCommandModule,
-    DefinedEventModule,
-    EventInput,
-    SpreadParams,
-} from '../../types/handler';
-import type { EventModule } from '../structures/module';
-import { PayloadType } from '../structures/enums';
-import type Wrapper from '../structures/wrapper';
-import { basename } from 'path';
-import { match } from 'ts-pattern';
-import { isDiscordEvent, isSernEvent } from '../utilities/predicates';
-import { errTap } from './observableHandling';
+import { catchError, finalize, map, mergeAll } from 'rxjs';
+import * as Files from '../module-loading/readFile';
+import type { Dependencies, Processed } from '../../types/handler';
+import { callInitPlugins } from './observableHandling';
+import type { CommandModule, EventModule } from '../../types/module';
+import type { EventEmitter } from 'events';
+import SernEmitter from '../sernEmitter';
+import type { ErrorHandling, Logging } from '../contracts';
+import { SernError, EventType, type Wrapper } from '../structures';
+import { eventDispatcher } from './dispatchers';
+import { handleError } from '../contracts/errorHandling';
+import { errTap, fillDefaults } from './operators';
+import { useContainerRaw } from '../dependencies';
 
-/**
- * Utility function to process command plugins for all Modules
- * @param wrapper
- * @param payload
- */
-export function processCommandPlugins<T extends DefinedCommandModule>(
-    wrapper: Wrapper,
-    payload: { mod: T; absPath: string },
+export function makeEventsHandler(
+    [s, client, err, log]: [SernEmitter, EventEmitter, ErrorHandling, Logging | undefined],
+    eventsPath: string,
+    containerGetter: Wrapper['containerConfig'],
 ) {
-    return payload.mod.plugins.map(plug => ({
-        ...plug,
-        name: plug?.name ?? 'Unnamed Plugin',
-        description: plug?.description ?? '...',
-        execute: plug.execute(wrapper, payload, controller),
-    }));
-}
+    const lazy = (k: string) => containerGetter.get(k as keyof Dependencies)[0];
+    const eventStream$ = eventObservable(eventsPath, s);
 
-export function processEvents(wrapper: Wrapper, events: EventInput) {
-    const eventStream$ = eventObservable$(wrapper, events);
-    const normalize$ = eventStream$.pipe(
-        map(({ mod, absPath }) => {
-            return <DefinedEventModule>{
-                name: mod?.name ?? Files.fmtFileName(basename(absPath)),
-                description: mod?.description ?? '...',
-                ...mod,
-            };
+    const eventCreation$ = eventStream$.pipe(
+        map(fillDefaults),
+        callInitPlugins({
+            onStop: module =>
+                s.emit('module.register', SernEmitter.failure(module, SernError.PluginFailure)),
+            onNext: ({ module }) => {
+                s.emit('module.register', SernEmitter.success(module));
+                return module;
+            },
         }),
     );
-    normalize$.subscribe(e => {
-        const emitter = isSernEvent(e)
-            ? wrapper?.sernEmitter
-            : isDiscordEvent(e)
-            ? wrapper.client
-            : ExternalEventEmitters.get(e.emitter);
-        if (emitter === undefined) {
-            throw new Error(`Cannot find event emitter as it is undefined`);
+    const intoDispatcher = (e: Processed<EventModule | CommandModule>) => {
+        switch (e.type) {
+            case EventType.Sern:
+                return eventDispatcher(e, s);
+            case EventType.Discord:
+                return eventDispatcher(e, client);
+            case EventType.External:
+                return eventDispatcher(e, lazy(e.emitter));
+            default:
+                return err.crash(
+                    Error(SernError.InvalidModuleType + ' while creating event handler'),
+                );
         }
-        //Would add sern event emitter for events loaded, attached onto sern emitter, but could lead to unwanted behavior!
-        fromEvent(emitter, e.name, e.execute as SpreadParams<typeof e.execute>).subscribe();
-    });
+    };
+    eventCreation$
+        .pipe(
+            map(intoDispatcher),
+            /**
+             * Where all events are turned on
+             */
+            mergeAll(),
+            catchError(handleError(err, log)),
+            finalize(() => {
+                log?.info({ message: 'an event module reached end of lifetime' });
+                useContainerRaw()
+                    ?.disposeAll()
+                    .then(() => {
+                        log?.info({ message: 'Cleaning container and crashing' });
+                    });
+            }),
+        )
+        .subscribe();
 }
 
-function eventObservable$({ sernEmitter }: Wrapper, events: EventInput) {
-    return match(events)
-        .when(Array.isArray, (arr: { mod: EventModule; absPath: string }[]) => {
-            return from(arr);
-        })
-        .when(
-            e => typeof e === 'string',
-            (eventsDir: string) => {
-                return buildData<EventModule>(eventsDir).pipe(
-                    errTap(reason =>
-                        sernEmitter?.emit('module.register', {
-                            type: PayloadType.Failure,
-                            module: undefined,
-                            reason,
-                        }),
-                    ),
-                );
-            },
-        )
-        .when(
-            e => typeof e === 'function',
-            (evs: () => { mod: EventModule; absPath: string }[]) => {
-                return from(evs());
-            },
-        )
-        .run();
+function eventObservable(events: string, emitter: SernEmitter) {
+    return Files.buildModuleStream<EventModule>(events).pipe(
+        errTap(reason => {
+            emitter.emit('module.register', SernEmitter.failure(undefined, reason));
+        }),
+    );
 }

src/handler/module-loading/readFile.ts

@@ -0,0 +1,64 @@
+import { readdirSync, statSync } from 'fs';
+import { join } from 'path';
+import { type Observable, from, mergeMap } from 'rxjs';
+import { SernError } from '../structures/errors';
+import { type Result, Err, Ok } from 'ts-results-es';
+import { ImportPayload } from '../../types/handler';
+import { pathToFileURL } from 'node:url';
+
+// Courtesy @Townsy45
+function readPath(dir: string, arrayOfFiles: string[] = []): string[] {
+    try {
+        const files = readdirSync(dir);
+        for (const file of files) {
+            if (statSync(dir + '/' + file).isDirectory()) readPath(dir + '/' + file, arrayOfFiles);
+            else arrayOfFiles.push(join(dir, '/', file));
+        }
+    } catch (err) {
+        throw err;
+    }
+
+    return arrayOfFiles;
+}
+export const fmtFileName = (n: string) => n.substring(0, n.length - 3);
+// export const isLazy = (n: string) => n.indexOf(".lazy.", n.length-9) !== -1;
+
+export async function defaultModuleLoader<T>(
+    absPath: string,
+): Promise<Result<ImportPayload<T>, SernError>> {
+    // prettier-ignore
+    let module: T | undefined
+    /// #if MODE === 'esm'
+    = (await import(pathToFileURL(absPath).toString())).default
+    /// #elif MODE === 'cjs'
+    = require(absPath).default; // eslint-disable-line
+    /// #endif
+    if (module === undefined) {
+        return Err(SernError.UndefinedModule);
+    }
+    try {
+        module = new (module as unknown as new () => T)();
+    } catch {}
+    return Ok({ module, absPath });
+}
+
+/**
+ * a directory string is converted into a stream of modules.
+ * starts the stream of modules that sern needs to process on init
+ * @returns {Observable<{ mod: Module; absPath: string; }[]>} data from command files
+ * @param commandDir
+ */
+export function buildModuleStream<T>(
+    commandDir: string,
+): Observable<Result<ImportPayload<T>, SernError>> {
+    const commands = getCommands(commandDir);
+    return from(commands).pipe(mergeMap(defaultModuleLoader<T>));
+}
+
+export function fullPathFrom(dir: string) {
+    return join(process.cwd(), dir);
+}
+
+export function getCommands(dir: string): string[] {
+    return readPath(fullPathFrom(dir));
+}

src/handler/plugins/args.ts

@@ -0,0 +1,117 @@
+import type { CommandType } from '../structures/enums';
+import type { PluginType } from '../structures/enums';
+import type { ClientEvents } from 'discord.js';
+import type {
+    BothCommand,
+    ButtonCommand,
+    ChannelSelectCommand,
+    ContextMenuUser,
+    DiscordEventCommand,
+    ExternalEventCommand,
+    MentionableSelectCommand,
+    ModalSubmitCommand,
+    RoleSelectCommand,
+    SernEventCommand,
+    SlashCommand,
+    StringSelectCommand,
+    TextCommand,
+    UserSelectCommand,
+    ContextMenuMsg,
+    Module,
+} from '../../types/module';
+import type { Args, Payload, Processed, SlashOptions } from '../../types/handler';
+import type Context from '../structures/context';
+import type { MessageContextMenuCommandInteraction } from 'discord.js';
+import type {
+    ButtonInteraction,
+    RoleSelectMenuInteraction,
+    StringSelectMenuInteraction,
+    UserContextMenuCommandInteraction,
+} from 'discord.js';
+import type {
+    ChannelSelectMenuInteraction,
+    MentionableSelectMenuInteraction,
+    ModalSubmitInteraction,
+    UserSelectMenuInteraction,
+} from 'discord.js';
+import { EventType } from '../structures/enums';
+
+type CommandArgsMatrix = {
+    [CommandType.Text]: {
+        [PluginType.Control]: [Context, ['text', string[]]];
+        [PluginType.Init]: [InitArgs<Processed<TextCommand>>];
+    };
+    [CommandType.Slash]: {
+        [PluginType.Control]: [Context, ['slash', /* library coupled */ SlashOptions]];
+        [PluginType.Init]: [InitArgs<Processed<SlashCommand>>];
+    };
+    [CommandType.Both]: {
+        [PluginType.Control]: [Context, Args];
+        [PluginType.Init]: [InitArgs<Processed<BothCommand>>];
+    };
+    [CommandType.CtxMsg]: {
+        [PluginType.Control]: [/* library coupled */ MessageContextMenuCommandInteraction];
+        [PluginType.Init]: [InitArgs<Processed<ContextMenuMsg>>];
+    };
+    [CommandType.CtxUser]: {
+        [PluginType.Control]: [/* library coupled */ UserContextMenuCommandInteraction];
+        [PluginType.Init]: [InitArgs<Processed<ContextMenuUser>>];
+    };
+    [CommandType.Button]: {
+        [PluginType.Control]: [/* library coupled */ ButtonInteraction];
+        [PluginType.Init]: [InitArgs<Processed<ButtonCommand>>];
+    };
+    [CommandType.StringSelect]: {
+        [PluginType.Control]: [/* library coupled */ StringSelectMenuInteraction];
+        [PluginType.Init]: [InitArgs<Processed<StringSelectCommand>>];
+    };
+    [CommandType.RoleSelect]: {
+        [PluginType.Control]: [/* library coupled */ RoleSelectMenuInteraction];
+        [PluginType.Init]: [InitArgs<Processed<RoleSelectCommand>>];
+    };
+    [CommandType.ChannelSelect]: {
+        [PluginType.Control]: [/* library coupled */ ChannelSelectMenuInteraction];
+        [PluginType.Init]: [InitArgs<Processed<ChannelSelectCommand>>];
+    };
+    [CommandType.MentionableSelect]: {
+        [PluginType.Control]: [/* library coupled */ MentionableSelectMenuInteraction];
+        [PluginType.Init]: [InitArgs<Processed<MentionableSelectCommand>>];
+    };
+    [CommandType.UserSelect]: {
+        [PluginType.Control]: [/* library coupled */ UserSelectMenuInteraction];
+        [PluginType.Init]: [InitArgs<Processed<UserSelectCommand>>];
+    };
+    [CommandType.Modal]: {
+        [PluginType.Control]: [/* library coupled */ ModalSubmitInteraction];
+        [PluginType.Init]: [InitArgs<Processed<ModalSubmitCommand>>];
+    };
+};
+
+type EventArgsMatrix = {
+    [EventType.Discord]: {
+        [PluginType.Control]: /* library coupled */ ClientEvents[keyof ClientEvents];
+        [PluginType.Init]: [InitArgs<Processed<DiscordEventCommand>>];
+    };
+    [EventType.Sern]: {
+        [PluginType.Control]: [Payload];
+        [PluginType.Init]: [InitArgs<Processed<SernEventCommand>>];
+    };
+    [EventType.External]: {
+        [PluginType.Control]: unknown[];
+        [PluginType.Init]: [InitArgs<Processed<ExternalEventCommand>>];
+    };
+};
+
+export interface InitArgs<T extends Processed<Module>> {
+    module: T;
+    absPath: string;
+}
+
+export type CommandArgs<
+    I extends CommandType = CommandType,
+    J extends PluginType = PluginType,
+> = CommandArgsMatrix[I][J];
+export type EventArgs<
+    I extends EventType = EventType,
+    J extends PluginType = PluginType,
+> = EventArgsMatrix[I][J];

src/handler/plugins/createPlugin.ts

@@ -0,0 +1,64 @@
+import { CommandType, EventType, PluginType } from '../structures';
+import type { Plugin, PluginResult } from '../../types/plugin';
+import type { CommandArgs, EventArgs } from './args';
+import type { ClientEvents } from 'discord.js';
+export const guayin = Symbol('twice<3');
+export function makePlugin<V extends unknown[]>(
+    type: PluginType,
+    execute: (...args: any[]) => any,
+): Plugin<V> {
+    return {
+        type,
+        execute,
+        [guayin]: undefined,
+    } as Plugin<V>;
+}
+/**
+ * @since 2.5.0
+ *
+ */
+export function EventInitPlugin<I extends EventType>(
+    execute: (...args: EventArgs<I, PluginType.Init>) => PluginResult,
+) {
+    return makePlugin(PluginType.Init, execute);
+}
+/**
+ * @since 2.5.0
+ *
+ */
+export function CommandInitPlugin<I extends CommandType>(
+    execute: (...args: CommandArgs<I, PluginType.Init>) => PluginResult,
+) {
+    return makePlugin(PluginType.Init, execute);
+}
+/**
+ * @since 2.5.0
+ *
+ */
+export function CommandControlPlugin<I extends CommandType>(
+    execute: (...args: CommandArgs<I, PluginType.Control>) => PluginResult,
+) {
+    return makePlugin(PluginType.Control, execute);
+}
+/**
+ * @since 2.5.0
+ *
+ */
+export function EventControlPlugin<I extends EventType>(
+    execute: (...args: EventArgs<I, PluginType.Control>) => PluginResult,
+) {
+    return makePlugin(PluginType.Control, execute);
+}
+
+/**
+ * @since 2.5.0
+ * @Experimental
+ * A specialized function for creating control plugins with discord.js ClientEvents.
+ * Will probably be moved one day!
+ */
+export function DiscordEventControlPlugin<T extends keyof ClientEvents>(
+    name: T,
+    execute: (...args: ClientEvents[T]) => PluginResult,
+) {
+    return makePlugin(PluginType.Control, execute);
+}

src/handler/plugins/index.ts

@@ -0,0 +1,2 @@
+export { EventArgs, InitArgs, CommandArgs } from './args';
+export * from './createPlugin';

src/handler/plugins/plugin.ts

@@ -1,184 +0,0 @@
-/*
- * Plugins can be inserted on all commands and are emitted
- *
- * 1. On ready event, where all commands are loaded.
- * 2. On corresponding observable (when command triggers)
- *
- * The goal of plugins is to organize commands and
- * provide extensions to repetitive patterns
- * examples include refreshing modules,
- * categorizing commands, cool-downs, permissions, etc.
- * Plugins are reminiscent of middleware in express.
- */
-
-import type { AutocompleteInteraction, Awaitable, Client, ClientEvents } from 'discord.js';
-import type { Result, Ok, Err } from 'ts-results-es';
-import type { CommandType, DefinitelyDefined, Override, SernEventsMapping } from '../../index';
-import { EventType, PluginType } from '../../index';
-import type { BaseModule, CommandModuleDefs, EventModuleDefs } from '../structures/module';
-import type { EventEmitter } from 'events';
-import type {
-    DiscordEventCommand,
-    ExternalEventCommand,
-    SernEventCommand,
-} from '../structures/events';
-import type SernEmitter from '../sernEmitter';
-import type Wrapper from '../structures/wrapper';
-
-export interface Controller {
-    next: () => Ok<void>;
-    stop: () => Err<void>;
-}
-
-type BasePlugin = Override<
-    BaseModule,
-    {
-        type: PluginType;
-    }
->;
-
-export type CommandPlugin<T extends keyof CommandModuleDefs = keyof CommandModuleDefs> = {
-    [K in T]: Override<
-        BasePlugin,
-        {
-            type: PluginType.Command;
-            execute: (
-                wrapper: Wrapper,
-                payload: {
-                    mod: DefinitelyDefined<CommandModuleDefs[T], 'name' | 'description'>;
-                    absPath: string;
-                },
-                controller: Controller,
-            ) => Awaitable<Result<void, void>>;
-        }
-    >;
-}[T];
-
-export type DiscordEmitterPlugin = Override<
-    BasePlugin,
-    {
-        type: PluginType.Command;
-        execute: (
-            wrapper: Client,
-            module: DefinitelyDefined<DiscordEventCommand, 'name' | 'description'>,
-            controller: Controller,
-        ) => Awaitable<Result<void, void>>;
-    }
->;
-export type ExternalEmitterPlugin<T extends EventEmitter = EventEmitter> = Override<
-    BasePlugin,
-    {
-        type: PluginType.Command;
-        execute: (
-            wrapper: T,
-            module: DefinitelyDefined<ExternalEventCommand, 'name' | 'description'>,
-            controller: Controller,
-        ) => Awaitable<Result<void, void>>;
-    }
->;
-
-export type SernEmitterPlugin = Override<
-    BasePlugin,
-    {
-        type: PluginType.Command;
-        execute: (
-            wrapper: SernEmitter,
-            module: DefinitelyDefined<SernEventCommand, 'name' | 'description'>,
-            controller: Controller,
-        ) => Awaitable<Result<void, void>>;
-    }
->;
-
-export type AutocompletePlugin = Override<
-    BaseModule,
-    {
-        type: PluginType.Event;
-        execute: (
-            autocmp: AutocompleteInteraction,
-            controlller: Controller,
-        ) => Awaitable<Result<void, void>>;
-    }
->;
-
-export type EventPlugin<T extends keyof CommandModuleDefs = keyof CommandModuleDefs> = {
-    [K in T]: Override<
-        BasePlugin,
-        {
-            type: PluginType.Event;
-            execute: (
-                event: Parameters<CommandModuleDefs[K]['execute']>,
-                controller: Controller,
-            ) => Awaitable<Result<void, void>>;
-        }
-    >;
-}[T];
-
-export type SernEventPlugin<T extends keyof SernEventsMapping = keyof SernEventsMapping> = Override<
-    BasePlugin,
-    {
-        name?: T;
-        type: PluginType.Event;
-        execute: (
-            args: SernEventsMapping[T],
-            controller: Controller,
-        ) => Awaitable<Result<void, void>>;
-    }
->;
-
-export type ExternalEventPlugin = Override<
-    BasePlugin,
-    {
-        type: PluginType.Event;
-        execute: (args: unknown[], controller: Controller) => Awaitable<Result<void, void>>;
-    }
->;
-
-export type DiscordEventPlugin<T extends keyof ClientEvents = keyof ClientEvents> = Override<
-    BasePlugin,
-    {
-        name?: T;
-        type: PluginType.Event;
-        execute: (args: ClientEvents[T], controller: Controller) => Awaitable<Result<void, void>>;
-    }
->;
-
-export type CommandModuleNoPlugins = {
-    [T in CommandType]: Omit<CommandModuleDefs[T], 'plugins' | 'onEvent'>;
-};
-export type EventModulesNoPlugins = {
-    [T in EventType]: Omit<EventModuleDefs[T], 'plugins' | 'onEvent'>;
-};
-/**
- * Event Module Event Plugins
- */
-export type EventModuleEventPluginDefs = {
-    [EventType.Discord]: DiscordEventPlugin;
-    [EventType.Sern]: SernEventPlugin;
-    [EventType.External]: ExternalEventPlugin;
-};
-
-/**
- * Event Module Command Plugins
- */
-export type EventModuleCommandPluginDefs = {
-    [EventType.Discord]: DiscordEmitterPlugin;
-    [EventType.Sern]: SernEmitterPlugin;
-    [EventType.External]: ExternalEmitterPlugin;
-};
-
-export type EventModulePlugin<T extends EventType> =
-    | EventModuleEventPluginDefs[T]
-    | EventModuleCommandPluginDefs[T];
-
-export type CommandModulePlugin<T extends CommandType> = EventPlugin<T> | CommandPlugin<T>;
-
-/**
- * User inputs this type. Sern processes behind the scenes for better usage
- */
-export type InputCommandModule = {
-    [T in CommandType]: CommandModuleNoPlugins[T] & { plugins?: CommandModulePlugin<T>[] };
-}[CommandType];
-
-export type InputEventModule = {
-    [T in EventType]: EventModulesNoPlugins[T] & { plugins?: EventModulePlugin<T>[] };
-}[EventType];

src/handler/sern.ts

@@ -1,99 +1,75 @@
 import type Wrapper from './structures/wrapper';
-import { Err, Ok } from 'ts-results-es';
-import { ExternalEventEmitters } from './utilities/readFile';
-import type { EventEmitter } from 'events';
-import { processEvents } from './events/userDefinedEventsHandling';
-import type { CommandModule, EventModule } from './structures/module';
-import { EventType, PluginType } from './structures/enums';
+import { makeEventsHandler } from './events/userDefinedEventsHandling';
+import { CommandType, EventType, PluginType } from './structures/enums';
+import type { AnyEventPlugin, ControlPlugin, InitPlugin, Plugin } from '../types/plugin';
+import { makeInteractionCreate } from './events/interactionHandler';
+import { makeReadyEvent } from './events/readyHandler';
+import { makeMessageCreate } from './events/messageHandler';
 import type {
-    CommandPlugin,
-    EventModuleCommandPluginDefs,
-    EventModuleEventPluginDefs,
-    EventPlugin,
-    InputCommandModule,
-    InputEventModule,
-} from './plugins/plugin';
-import { SernError } from './structures/errors';
-import InteractionHandler from './events/interactionHandler';
-import ReadyHandler from './events/readyHandler';
-import MessageHandler from './events/messageHandler';
+    CommandModule,
+    CommandModuleDefs,
+    EventModule,
+    EventModuleDefs,
+    InputCommand,
+    InputEvent,
+} from '../types/module';
+import type { Dependencies, DependencyConfiguration } from '../types/handler';
+import { composeRoot, makeFetcher, useContainer } from './dependencies/provider';
+import type { Logging } from './contracts';
+import { err, ok, partition } from './utilities/functions';
+import type { Awaitable, ClientEvents } from 'discord.js';
 
 /**
- *
+ * @since 1.0.0
  * @param wrapper Options to pass into sern.
  * Function to start the handler up
  * @example
  * ```ts title="src/index.ts"
  * Sern.init({
- *     client,
  *     defaultPrefix: '!',
  *     commands: 'dist/commands',
+ *     events: 'dist/events',
+ *     containerConfig : {
+ *         get: useContainer
+ *     }
  * })
  * ```
  */
 export function init(wrapper: Wrapper) {
+    const logger = wrapper.containerConfig.get('@sern/logger')[0] as Logging | undefined;
+    const requiredDependenciesAnd = makeFetcher(wrapper);
+    const startTime = performance.now();
     const { events } = wrapper;
     if (events !== undefined) {
-        processEvents(wrapper, events);
+        makeEventsHandler(requiredDependenciesAnd([]), events, wrapper.containerConfig);
     }
-    new ReadyHandler(wrapper);
-    new MessageHandler(wrapper);
-    new InteractionHandler(wrapper);
-}
-
-/**
- *
- * @param emitter Any external event emitter.
- * The object will be stored in a map, and then fetched by the name of the instance's class.
- * As there are infinite possibilities to adding external event emitters,
- * Most types aren't provided and are as narrow as possibly can.
- * @example
- * ```ts title="src/index.ts"
- * //Add this before initiating Sern!
- * Sern.addExternal(new Level())
- * ```
- * @example
- * ```ts title="events/level.ts"
- *  export default eventModule({
- *      emitter: 'Level',
- *      type : EventType.External,
- *      name: 'error',
- *      execute(args) {
- *          console.log(args)
- *      }
- *  })
- * ```
- */
-export function addExternal<T extends EventEmitter>(emitter: T) {
-    if (ExternalEventEmitters.has(emitter.constructor.name)) {
-        throw Error(`${emitter.constructor.name} already exists!`);
-    }
-    ExternalEventEmitters.set(emitter.constructor.name, emitter);
+    const dependencies = requiredDependenciesAnd(['@sern/modules']);
+    makeReadyEvent(dependencies, wrapper.commands);
+    makeMessageCreate(dependencies, wrapper.defaultPrefix);
+    makeInteractionCreate(dependencies);
+    const endTime = performance.now();
+    logger?.info({ message: `sern : ${(endTime - startTime).toFixed(2)} ms` });
 }
 
 /**
+ * @since 1.0.0
  * The object passed into every plugin to control a command's behavior
  */
 export const controller = {
-    next: () => Ok.EMPTY,
-    stop: () => Err.EMPTY,
+    next: ok,
+    stop: err,
 };
 
 /**
+ * @since 1.0.0
  * The wrapper function to define command modules for sern
  * @param mod
  */
-export function commandModule(mod: InputCommandModule): CommandModule {
-    const onEvent: EventPlugin[] = [];
-    const plugins: CommandPlugin[] = [];
-    for (const pl of mod.plugins ?? []) {
-        if (pl.type === PluginType.Event) {
-            onEvent.push(pl);
-        } else {
-            plugins.push(pl as CommandPlugin);
-        }
-    }
-
+export function commandModule(mod: InputCommand): CommandModule {
+    const [onEvent, plugins] = partition(
+        mod.plugins ?? [],
+        el => (el as Plugin).type === PluginType.Control,
+    );
     return {
         ...mod,
         onEvent,
@@ -101,21 +77,62 @@ export function commandModule(mod: InputCommandModule): CommandModule {
     } as CommandModule;
 }
 /**
+ * @since 1.0.0
  * The wrapper function to define event modules for sern
  * @param mod
  */
-export function eventModule(mod: InputEventModule): EventModule {
-    const onEvent: EventModuleEventPluginDefs[EventType][] = [];
-    const plugins: EventModuleCommandPluginDefs[EventType][] = [];
-    const hasPlugins = mod.plugins && mod.plugins.length > 0;
-    if (hasPlugins) {
-        throw Error(
-            SernError.NotSupportedYet + `: Plugins on event listeners are not supported yet`,
-        );
-    }
+export function eventModule(mod: InputEvent): EventModule {
+    const [onEvent, plugins] = partition(
+        mod.plugins ?? [],
+        el => (el as Plugin).type === PluginType.Control,
+    );
     return {
         ...mod,
         onEvent,
         plugins,
     } as EventModule;
 }
+
+/**
+ * Create event modules from discord.js client events,
+ * This is an {@link eventModule} for discord events,
+ * where typings can be very bad.
+ * @param mod
+ */
+export function discordEvent<T extends keyof ClientEvents>(mod: {
+    name: T;
+    plugins?: AnyEventPlugin[];
+    execute: (...args: ClientEvents[T]) => Awaitable<unknown>;
+}) {
+    return eventModule({ type: EventType.Discord, ...mod });
+}
+/**
+ * @since 2.0.0
+ * @param conf a configuration for creating your project dependencies
+ */
+export function makeDependencies<T extends Dependencies>(conf: DependencyConfiguration<T>) {
+    //Until there are more optional dependencies, just check if the logger exists
+    composeRoot(conf);
+    return useContainer<T>();
+}
+
+/**
+ * @Experimental
+ * Will be refactored / changed in future
+ */
+export abstract class CommandExecutable<Type extends CommandType> {
+    abstract type: Type;
+    plugins: InitPlugin[] = [];
+    onEvent: ControlPlugin[] = [];
+    abstract execute: CommandModuleDefs[Type]['execute'];
+}
+/**
+ * @Experimental
+ * Will be refactored in future
+ */
+export abstract class EventExecutable<Type extends EventType> {
+    abstract type: Type;
+    plugins: InitPlugin[] = [];
+    onEvent: ControlPlugin[] = [];
+    abstract execute: EventModuleDefs[Type]['execute'];
+}

src/handler/sernEmitter.ts

@@ -1,6 +1,11 @@
 import { EventEmitter } from 'events';
-import type { SernEventsMapping } from '../types/handler';
+import type { Payload, SernEventsMapping } from '../types/handler';
+import { PayloadType } from './structures';
+import type { Module } from '../types/module';
 
+/**
+ * @since 1.0.0
+ */
 class SernEmitter extends EventEmitter {
     /**
      * Listening to sern events with on. This event stays on until a crash or a normal exit
@@ -27,7 +32,7 @@ class SernEmitter extends EventEmitter {
     /**
      * Listening to sern events with on. This event stays on until a crash or a normal exit
      * @param eventName
-     * @param args the arguments for emitting the  { eventName }
+     * @param args the arguments for emitting the eventName
      */
     public override emit<T extends keyof SernEventsMapping>(
         eventName: T,
@@ -35,6 +40,49 @@ class SernEmitter extends EventEmitter {
     ): boolean {
         return super.emit(eventName, ...args);
     }
+    private static payload<T extends Payload>(
+        type: PayloadType,
+        module?: Module,
+        reason?: unknown,
+    ) {
+        return { type, module, reason } as T;
+    }
+
+    /**
+     * Creates a compliant SernEmitter failure payload
+     * @param module
+     * @param reason
+     */
+    static failure(module?: Module, reason?: unknown) {
+        //The generic cast Payload & { type : PayloadType.* } coerces the type to be a failure payload
+        // same goes to the other methods below
+        return SernEmitter.payload<Payload & { type: PayloadType.Failure }>(
+            PayloadType.Failure,
+            module,
+            reason,
+        );
+    }
+    /**
+     * Creates a compliant SernEmitter module success payload
+     * @param module
+     */
+    static success(module: Module) {
+        return SernEmitter.payload<Payload & { type: PayloadType.Success }>(
+            PayloadType.Success,
+            module,
+        );
+    }
+    /**
+     * Creates a compliant SernEmitter module warning payload
+     * @param reason
+     */
+    static warning(reason: unknown) {
+        return SernEmitter.payload<Payload & { type: PayloadType.Warning }>(
+            PayloadType.Warning,
+            undefined,
+            reason,
+        );
+    }
 }
 
 export default SernEmitter;

src/handler/structures/context.ts

@@ -1,40 +1,26 @@
-import type { APIGuildMember } from 'discord-api-types/v10';
 import type {
     ChatInputCommandInteraction,
     Client,
-    Guild,
-    GuildMember,
     InteractionReplyOptions,
     Message,
-    ReplyMessageOptions,
     Snowflake,
-    TextBasedChannel,
+    MessageReplyOptions,
     User,
 } from 'discord.js';
-import { type Option, None, Some } from 'ts-results-es';
-import type { Nullish } from '../../types/handler';
+import { Result as Either, Ok as Left, Err as Right } from 'ts-results-es';
+import type { ReplyOptions } from '../../types/handler';
 import { SernError } from './errors';
 
-function firstSome<T>(...args: Option<T>[]): Nullish<T> {
-    for (const op of args) {
-        if (op.some) return op.val;
-    }
-    return null;
+function safeUnwrap<T>(res: Either<T, T>) {
+    return res.val;
 }
-
-//Could I refactor with Either monad?
 /**
+ * @since 1.0.0
  * Provides values shared between
  * Message and ChatInputCommandInteraction
  */
 export default class Context {
-    private constructor(
-        private oMsg: Option<Message> = None,
-        private oInterac: Option<ChatInputCommandInteraction> = None,
-    ) {
-        this.oMsg = oMsg;
-        this.oInterac = oInterac;
-    }
+    private constructor(private ctx: Either<Message, ChatInputCommandInteraction>) {}
 
     /**
      * Getting the Message object. Crashes if module type is
@@ -42,7 +28,7 @@ export default class Context {
      * ChatInputCommandInteraction
      */
     public get message() {
-        return this.oMsg.expect(SernError.MismatchEvent);
+        return this.ctx.expect(SernError.MismatchEvent);
     }
     /**
      * Getting the ChatInputCommandInteraction object. Crashes if module type is
@@ -50,98 +36,72 @@ export default class Context {
      * Message
      */
     public get interaction() {
-        return this.oInterac.expect(SernError.MismatchEvent);
+        return this.ctx.expectErr(SernError.MismatchEvent);
     }
 
     public get id(): Snowflake {
-        return firstSome(
-            this.oInterac.map(i => i.id),
-            this.oMsg.map(m => m.id),
-        )!;
+        return this.ctx.val.id;
     }
 
-    public get channel(): Nullish<TextBasedChannel> {
-        return firstSome(
-            this.oMsg.map(m => m.channel),
-            this.oInterac.map(i => i.channel),
-        );
+    public get channel() {
+        return this.ctx.val.channel;
     }
-
+    /**
+     * If context is holding a message, message.author
+     * else, interaction.user
+     */
     public get user(): User {
-        return firstSome(
-            this.oMsg.map(m => m.author),
-            this.oInterac.map(i => i.user),
-        )!;
+        return safeUnwrap(this.ctx.map(m => m.author).mapErr(i => i.user));
     }
 
     public get createdTimestamp(): number {
-        return firstSome(
-            this.oMsg.map(m => m.createdTimestamp),
-            this.oInterac.map(i => i.createdTimestamp),
-        )!;
+        return this.ctx.val.createdTimestamp;
     }
 
-    public get guild(): Guild {
-        return firstSome(
-            this.oMsg.map(m => m.guild),
-            this.oInterac.map(i => i.guild),
-        )!;
+    public get guild() {
+        return this.ctx.val.guild;
     }
 
-    public get guildId(): Snowflake {
-        return firstSome(
-            this.oMsg.map(m => m.guildId),
-            this.oInterac.map(i => i.guildId),
-        )!;
+    public get guildId() {
+        return this.ctx.val.guildId;
     }
 
     /*
      * interactions can return APIGuildMember if the guild it is emitted from is not cached
      */
-    public get member(): Nullish<GuildMember | APIGuildMember> {
-        return firstSome(
-            this.oMsg.map(m => m.member),
-            this.oInterac.map(i => i.member),
-        );
+    public get member() {
+        return this.ctx.val.member;
     }
 
     public get client(): Client {
-        return firstSome(
-            this.oMsg.map(m => m.client),
-            this.oInterac.map(i => i.client),
-        )!;
+        return this.ctx.val.client;
     }
 
     public get inGuild(): boolean {
-        return firstSome(
-            this.oMsg.map(m => m.inGuild()),
-            this.oInterac.map(i => i.inGuild()),
-        )!;
+        return this.ctx.val.inGuild();
+    }
+    public isMessage() {
+        return this.ctx.map(() => true).unwrapOr(false);
+    }
+
+    public isSlash() {
+        return !this.isMessage();
     }
 
     static wrap(wrappable: ChatInputCommandInteraction | Message): Context {
         if ('token' in wrappable) {
-            return new Context(None, Some(wrappable));
+            return new Context(Right(wrappable));
         }
-        return new Context(Some(wrappable), None);
+        return new Context(Left(wrappable));
     }
 
-    public isEmpty() {
-        return this.oMsg.none && this.oInterac.none;
-    }
-    //Make queueable
-    public reply(
-        content: string | Omit<InteractionReplyOptions, 'fetchReply'> | ReplyMessageOptions,
-    ) {
-        return firstSome(
-            this.oInterac.map(i => {
-                return i
-                    .reply(content as string | InteractionReplyOptions)
-                    .then(() => i.fetchReply());
-            }),
-            this.oMsg.map(m => {
-                return m.reply(content as string | ReplyMessageOptions);
-            }),
-        )!;
+    public reply(content: ReplyOptions) {
+        return safeUnwrap(
+            this.ctx
+                .map(m => m.reply(content as string | MessageReplyOptions))
+                .mapErr(i =>
+                    i.reply(content as string | InteractionReplyOptions).then(() => i.fetchReply()),
+                ),
+        );
     }
 }

src/handler/structures/enums.ts

@@ -1,4 +1,6 @@
 /**
+ * @since 1.0.0
+ * A bitfield that discriminates command modules
  * @enum { number }
  * @example
  * ```ts
@@ -16,38 +18,46 @@ export enum CommandType {
     /**
      * The CommandType for text commands
      */
-    Text = 0b00000000001,
+    Text = 1,
     /**
      * The CommandType for slash commands
      */
-    Slash = 0b00000000010,
+    Slash = 2,
     /**
      * The CommandType for hybrid commands, text and slash
      */
-    Both = 0b0000011,
+    Both = 3,
     /**
      * The CommandType for UserContextMenuInteraction commands
      */
-    MenuUser = 0b00000000100,
+    CtxUser = 4,
     /**
      * The CommandType for MessageContextMenuInteraction commands
      */
-    MenuMsg = 0b0000001000,
+    CtxMsg = 8,
     /**
      * The CommandType for ButtonInteraction commands
      */
-    Button = 0b00000010000,
+    Button = 16,
     /**
-     * The CommandType for SelectMenuInteraction commands
+     * The CommandType for StringSelectMenuInteraction commands
      */
-    MenuSelect = 0b00000100000,
+    StringSelect = 32,
     /**
      * The CommandType for ModalSubmitInteraction commands
      */
-    Modal = 0b00001000000,
+    Modal = 64,
+    /**
+     * The CommandType for the other SelectMenuInteractions
+     */
+    ChannelSelect = 256,
+    MentionableSelect = 512,
+    RoleSelect = 1024,
+    UserSelect = 2048,
 }
 
 /**
+ * A bitfield that discriminates event modules
  * @enum { number }
  * @example
  * ```ts
@@ -65,19 +75,20 @@ export enum EventType {
     /**
      * The EventType for handling discord events
      */
-    Discord = 0b01,
+    Discord = 1,
     /**
      * The EventType for handling sern events
      */
-    Sern = 0b10,
+    Sern = 2,
     /**
      * The EventType for handling external events.
      * Could be for example, `process` events, database events
      */
-    External = 0b11,
+    External = 3,
 }
 
 /**
+ * A bitfield that discriminates plugins
  * @enum { number }
  * @example
  * ```ts
@@ -92,13 +103,23 @@ export enum EventType {
  */
 export enum PluginType {
     /**
-     * The PluginType for CommandPlugins
+     * The PluginType for InitPlugins
      */
-    Command = 0b01,
+    Init = 1,
+    /**
+     * @deprecated
+     * Use PluginType.Init instead
+     */
+    Command = 1,
+    /**
+     * @deprecated
+     * Use PluginType.Control instead
+     */
+    Event = 2,
     /**
      * The PluginType for EventPlugins
      */
-    Event = 0b10,
+    Control = 2,
 }
 /**
  * @enum { string }

src/handler/structures/errors.ts

@@ -31,4 +31,8 @@ export enum SernError {
      * Unsupported feature attempted to access at this time
      */
     NotSupportedYet = `This feature is not supported yet`,
+    /**
+     * Required Dependency not found
+     */
+    MissingRequired = `@sern/client is required but was not found`,
 }

src/handler/structures/events.ts

@@ -1,53 +0,0 @@
-import type { Override, SernEventsMapping } from '../../types/handler';
-import type { BaseModule } from './module';
-import type {
-    DiscordEmitterPlugin,
-    DiscordEventPlugin,
-    ExternalEmitterPlugin,
-    ExternalEventPlugin,
-    SernEmitterPlugin,
-    SernEventPlugin,
-} from '../plugins/plugin';
-import type { Awaitable, ClientEvents } from 'discord.js';
-import type { EventType } from './enums';
-
-/*
- * Mapped type to generate all sern event modules
- */
-export type SernEventCommand<T extends keyof SernEventsMapping = keyof SernEventsMapping> =
-    Override<
-        BaseModule,
-        {
-            name?: T;
-            type: EventType.Sern;
-            onEvent: SernEventPlugin[];
-            plugins: SernEmitterPlugin[];
-            execute(...args: SernEventsMapping[T]): Awaitable<void | unknown>;
-        }
-    >;
-/*
- * Mapped type to generate all discord event modules
- */
-export type DiscordEventCommand<T extends keyof ClientEvents = keyof ClientEvents> = Override<
-    BaseModule,
-    {
-        name?: T;
-        type: EventType.Discord;
-        onEvent: DiscordEventPlugin[];
-        plugins: DiscordEmitterPlugin[];
-        execute(...args: ClientEvents[T]): Awaitable<void | unknown>;
-    }
->;
-/*
- * Type for any event emitter that can be handled by sern
- */
-export type ExternalEventCommand = Override<
-    BaseModule,
-    {
-        emitter: string;
-        type: EventType.External;
-        onEvent: ExternalEventPlugin[];
-        plugins: ExternalEmitterPlugin[];
-        execute(...args: unknown[]): Awaitable<void | unknown>;
-    }
->;

src/handler/structures/index.ts

@@ -0,0 +1,6 @@
+import Context from './context';
+import type Wrapper from './wrapper';
+import { ModuleStore } from './moduleStore';
+export * from './errors';
+export * from './enums';
+export { Context, Wrapper, ModuleStore };

src/handler/structures/module.ts

@@ -1,210 +0,0 @@
-import type {
-    ApplicationCommandAttachmentOption,
-    ApplicationCommandChannelOptionData,
-    ApplicationCommandChoicesData,
-    ApplicationCommandNonOptionsData,
-    ApplicationCommandNumericOptionData,
-    ApplicationCommandOptionData,
-    ApplicationCommandOptionType,
-    ApplicationCommandSubCommandData,
-    ApplicationCommandSubGroupData,
-    AutocompleteInteraction,
-    Awaitable,
-    BaseApplicationCommandOptionsData,
-    ButtonInteraction,
-    MessageContextMenuCommandInteraction,
-    ModalSubmitInteraction,
-    SelectMenuInteraction,
-    UserContextMenuCommandInteraction,
-} from 'discord.js';
-import type { Args, Override, SlashOptions } from '../../types/handler';
-import type { AutocompletePlugin, CommandPlugin, EventPlugin } from '../plugins/plugin';
-import type Context from './context';
-import { CommandType, EventType, PluginType } from './enums';
-import type { DiscordEventCommand, ExternalEventCommand, SernEventCommand } from './events';
-
-export interface BaseModule {
-    type: CommandType | PluginType;
-    name?: string;
-    description?: string;
-    execute: (ctx: Context, args: Args) => Awaitable<void | unknown>;
-}
-
-export type TextCommand = Override<
-    BaseModule,
-    {
-        type: CommandType.Text;
-        onEvent: EventPlugin<CommandType.Text>[]; //maybe allow BothPlugins for this also?
-        plugins: CommandPlugin[]; //maybe allow BothPlugins for this also?
-        alias?: string[];
-        execute: (ctx: Context, args: ['text', string[]]) => Awaitable<void | unknown>;
-    }
->;
-
-export type SlashCommand = Override<
-    BaseModule,
-    {
-        type: CommandType.Slash;
-        onEvent: EventPlugin<CommandType.Slash>[]; //maybe allow BothPlugins for this also?
-        plugins: CommandPlugin[]; //maybe allow BothPlugins for this also?
-        options?: SernOptionsData[];
-        execute: (ctx: Context, args: ['slash', SlashOptions]) => Awaitable<void | unknown>;
-    }
->;
-
-export type BothCommand = Override<
-    BaseModule,
-    {
-        type: CommandType.Both;
-        onEvent: EventPlugin<CommandType.Both>[];
-        plugins: CommandPlugin[];
-        alias?: string[];
-        options?: SernOptionsData[];
-        execute: (ctx: Context, args: Args) => Awaitable<void | unknown>;
-    }
->;
-
-export type ContextMenuUser = Override<
-    BaseModule,
-    {
-        type: CommandType.MenuUser;
-        onEvent: EventPlugin<CommandType.MenuUser>[];
-        plugins: CommandPlugin[];
-        execute: (ctx: UserContextMenuCommandInteraction) => Awaitable<void | unknown>;
-    }
->;
-
-export type ContextMenuMsg = Override<
-    BaseModule,
-    {
-        type: CommandType.MenuMsg;
-        onEvent: EventPlugin<CommandType.MenuMsg>[];
-        plugins: CommandPlugin[];
-        execute: (ctx: MessageContextMenuCommandInteraction) => Awaitable<void | unknown>;
-    }
->;
-
-export type ButtonCommand = Override<
-    BaseModule,
-    {
-        type: CommandType.Button;
-        onEvent: EventPlugin<CommandType.Button>[];
-        plugins: CommandPlugin[];
-        execute: (ctx: ButtonInteraction) => Awaitable<void | unknown>;
-    }
->;
-
-export type SelectMenuCommand = Override<
-    BaseModule,
-    {
-        type: CommandType.MenuSelect;
-        onEvent: EventPlugin<CommandType.MenuSelect>[];
-        plugins: CommandPlugin[];
-        execute: (ctx: SelectMenuInteraction) => Awaitable<void | unknown>;
-    }
->;
-
-export type ModalSubmitCommand = Override<
-    BaseModule,
-    {
-        type: CommandType.Modal;
-        onEvent: EventPlugin<CommandType.Modal>[];
-        plugins: CommandPlugin[];
-        execute: (ctx: ModalSubmitInteraction) => Awaitable<void | unknown>;
-    }
->;
-
-// Autocomplete commands are a little different
-// They can't have command plugins as they are
-// in conjunction with chat input commands
-export type AutocompleteCommand = Override<
-    BaseModule,
-    {
-        name?: never;
-        description?: never;
-        type?: never;
-        onEvent: AutocompletePlugin[];
-        execute: (ctx: AutocompleteInteraction) => Awaitable<void | unknown>;
-    }
->;
-export type EventModule = DiscordEventCommand | SernEventCommand | ExternalEventCommand;
-export type CommandModule =
-    | TextCommand
-    | SlashCommand
-    | BothCommand
-    | ContextMenuUser
-    | ContextMenuMsg
-    | ButtonCommand
-    | SelectMenuCommand
-    | ModalSubmitCommand;
-
-export type Module = CommandModule | EventModule;
-
-//https://stackoverflow.com/questions/64092736/alternative-to-switch-statement-for-typescript-discriminated-union
-// Explicit Module Definitions for mapping
-export type CommandModuleDefs = {
-    [CommandType.Text]: TextCommand;
-    [CommandType.Slash]: SlashCommand;
-    [CommandType.Both]: BothCommand;
-    [CommandType.MenuMsg]: ContextMenuMsg;
-    [CommandType.MenuUser]: ContextMenuUser;
-    [CommandType.Button]: ButtonCommand;
-    [CommandType.MenuSelect]: SelectMenuCommand;
-    [CommandType.Modal]: ModalSubmitCommand;
-};
-
-export type EventModuleDefs = {
-    [EventType.Sern]: SernEventCommand;
-    [EventType.Discord]: DiscordEventCommand;
-    [EventType.External]: ExternalEventCommand;
-};
-
-//TODO: support deeply nested Autocomplete
-// objective: construct union of ApplicationCommandOptionData change any Autocomplete data
-// into Sern autocomplete data.
-
-export type SernAutocompleteData = Override<
-    BaseApplicationCommandOptionsData,
-    {
-        autocomplete: true;
-        type:
-            | ApplicationCommandOptionType.String
-            | ApplicationCommandOptionType.Number
-            | ApplicationCommandOptionType.Integer;
-        command: AutocompleteCommand;
-    }
->;
-
-/**
- * Type that replaces autocomplete with {@link SernAutocompleteData}
- */
-export type BaseOptions =
-    | ApplicationCommandChoicesData
-    | ApplicationCommandNonOptionsData
-    | ApplicationCommandChannelOptionData
-    | ApplicationCommandNumericOptionData
-    | ApplicationCommandAttachmentOption
-    | SernAutocompleteData;
-
-export type SernSubCommandData = Override<
-    Omit<BaseApplicationCommandOptionsData, 'required'>,
-    {
-        type: ApplicationCommandOptionType.Subcommand;
-        options?: BaseOptions[];
-    }
->;
-
-export type SernSubCommandGroupData = Override<
-    Omit<BaseApplicationCommandOptionsData, 'required'>,
-    {
-        type: ApplicationCommandOptionType.SubcommandGroup;
-        options?: SernSubCommandData[];
-    }
->;
-
-export type SernOptionsData<U extends ApplicationCommandOptionData = ApplicationCommandOptionData> =
-    U extends ApplicationCommandSubCommandData
-        ? SernSubCommandData
-        : U extends ApplicationCommandSubGroupData
-        ? SernSubCommandGroupData
-        : BaseOptions;

src/handler/structures/moduleStore.ts

@@ -0,0 +1,27 @@
+import type { CommandModule } from '../../types/module';
+import { ApplicationCommandType, ComponentType } from 'discord.js';
+import type { Processed } from '../../types/handler';
+
+/**
+ * @since 2.0.0
+ * Storing all command modules
+ * This dependency is usually injected into ModuleManager
+ */
+export class ModuleStore {
+    readonly BothCommands = new Map<string, Processed<CommandModule>>();
+    readonly ApplicationCommands = {
+        [ApplicationCommandType.User]: new Map<string, Processed<CommandModule>>(),
+        [ApplicationCommandType.Message]: new Map<string, Processed<CommandModule>>(),
+        [ApplicationCommandType.ChatInput]: new Map<string, Processed<CommandModule>>(),
+    };
+    readonly ModalSubmit = new Map<string, Processed<CommandModule>>();
+    readonly TextCommands = new Map<string, Processed<CommandModule>>();
+    readonly InteractionHandlers = {
+        [ComponentType.Button]: new Map<string, Processed<CommandModule>>(),
+        [ComponentType.StringSelect]: new Map<string, Processed<CommandModule>>(),
+        [ComponentType.ChannelSelect]: new Map<string, Processed<CommandModule>>(),
+        [ComponentType.MentionableSelect]: new Map<string, Processed<CommandModule>>(),
+        [ComponentType.RoleSelect]: new Map<string, Processed<CommandModule>>(),
+        [ComponentType.UserSelect]: new Map<string, Processed<CommandModule>>(),
+    };
+}

src/handler/structures/structxports.ts

@@ -1,28 +0,0 @@
-import Context from './context';
-import type {
-    BothCommand,
-    Module,
-    SlashCommand,
-    TextCommand,
-    SernOptionsData,
-    BaseOptions,
-    SernAutocompleteData,
-    SernSubCommandData,
-    SernSubCommandGroupData,
-} from './module';
-import type Wrapper from './wrapper';
-
-export * from './enums';
-export {
-    Context,
-    SlashCommand,
-    TextCommand,
-    BothCommand,
-    Module,
-    Wrapper,
-    SernOptionsData,
-    BaseOptions,
-    SernAutocompleteData,
-    SernSubCommandData,
-    SernSubCommandGroupData,
-};

src/handler/structures/wrapper.ts

@@ -1,20 +1,20 @@
-import type { Client } from 'discord.js';
-import type SernEmitter from '../sernEmitter';
-import type { EventModule } from './module';
+import type { Dependencies } from '../../types/handler';
 
 /**
+ * @since 1.0.0
  * An object to be passed into Sern#init() function.
  * @typedef {object} Wrapper
  */
 interface Wrapper {
-    readonly client: Client;
-    readonly sernEmitter?: SernEmitter;
+    /**
+      * @deprecated
+      * This will be moved to a new field in 3.0.0
+      */
     readonly defaultPrefix?: string;
     readonly commands: string;
-    readonly events?:
-        | string
-        | { mod: EventModule; absPath: string }[]
-        | (() => { mod: EventModule; absPath: string }[]);
+    readonly events?: string;
+    readonly containerConfig: {
+        get: (...keys: (keyof Dependencies)[]) => unknown[];
+    };
 }
-
 export default Wrapper;

src/handler/utilities/asyncResolveArray.ts

@@ -1,9 +0,0 @@
-import type { Awaitable } from 'discord.js';
-
-export async function asyncResolveArray<T>(promiseLike: Awaitable<T>[]): Promise<T[]> {
-    const arr: T[] = [];
-    for await (const el of promiseLike) {
-        arr.push(el);
-    }
-    return arr;
-}

src/handler/utilities/functions.ts

@@ -0,0 +1,36 @@
+import * as Files from '../module-loading/readFile';
+import { basename } from 'path';
+import { Err, Ok } from 'ts-results-es';
+/**
+ * A function that returns whatever value is provided.
+ * Warning: this evaluates { @param value }. It does not defer a value.
+ * @param value
+ * @__PURE__
+ */
+// prettier-ignore
+export const _const = <T>(value: T) => () => value;
+/**
+ *
+ * @param modName
+ * @param absPath
+ */
+export function nameOrFilename(modName: string | undefined, absPath: string) {
+    return modName ?? Files.fmtFileName(basename(absPath));
+}
+
+//function wrappers for empty ok / err
+export const ok = _const(Ok.EMPTY);
+export const err = _const(Err.EMPTY);
+
+export function partition<T, V>(arr: (T & V)[], condition: (e: T & V) => boolean): [T[], V[]] {
+    const t: T[] = [];
+    const v: V[] = [];
+    for (const el of arr) {
+        if (condition(el)) {
+            t.push(el as T);
+        } else {
+            v.push(el as V);
+        }
+    }
+    return [t, v];
+}

src/handler/utilities/messageHelpers.ts

@@ -1,15 +0,0 @@
-import type { Message } from 'discord.js';
-
-/**
- * Removes the first character(s) _[depending on prefix length]_ of the message
- * @param msg
- * @param prefix The prefix to remove
- * @returns The message without the prefix
- * @example
- * message.content = '!ping';
- * console.log(fmt(message, '!'));
- * // [ 'ping' ]
- */
-export function fmt(msg: Message, prefix: string): string[] {
-    return msg.content.slice(prefix.length).trim().split(/\s+/g);
-}

src/handler/utilities/predicates.ts

@@ -1,70 +0,0 @@
-import type { CommandModuleDefs, EventModule, Module } from '../structures/module';
-import {
-    AutocompleteInteraction,
-    Interaction,
-    InteractionType,
-    type ModalSubmitInteraction,
-    type ButtonInteraction,
-    type SelectMenuInteraction,
-    type ChatInputCommandInteraction,
-    type UserContextMenuCommandInteraction,
-    type MessageContextMenuCommandInteraction,
-} from 'discord.js';
-import type {
-    DiscordEventCommand,
-    ExternalEventCommand,
-    SernEventCommand,
-} from '../structures/events';
-import { EventType } from '../..';
-
-export function correctModuleType<T extends keyof CommandModuleDefs>(
-    plug: Module | undefined,
-    type: T,
-): plug is CommandModuleDefs[T] {
-    // Another way to check if type is equivalent,
-    // It will check based on flag system instead
-    return plug !== undefined && (plug.type & type) !== 0;
-}
-
-export function isApplicationCommand(
-    interaction: Interaction,
-): interaction is
-    | ChatInputCommandInteraction
-    | UserContextMenuCommandInteraction
-    | MessageContextMenuCommandInteraction {
-    return interaction.type === InteractionType.ApplicationCommand;
-}
-
-export function isModalSubmit(interaction: Interaction): interaction is ModalSubmitInteraction {
-    return interaction.type === InteractionType.ModalSubmit;
-}
-export function isAutocomplete(interaction: Interaction): interaction is AutocompleteInteraction {
-    return interaction.type === InteractionType.ApplicationCommandAutocomplete;
-}
-export function isMessageComponent(
-    interaction: Interaction,
-): interaction is ButtonInteraction | SelectMenuInteraction {
-    return interaction.type === InteractionType.MessageComponent;
-}
-
-export function isDiscordEvent(el: EventModule): el is DiscordEventCommand {
-    return el.type === EventType.Discord;
-}
-export function isSernEvent(el: EventModule): el is SernEventCommand {
-    return el.type === EventType.Sern;
-}
-
-export function isExternalEvent(el: EventModule): el is ExternalEventCommand {
-    return el.type === EventType.External && 'emitter' in el;
-}
-
-// export function isEventPlugin<T extends CommandType>(
-//     e: CommandModulePlugin<T>,
-// ): e is EventPlugin<T> {
-//     return e.type === PluginType.Event;
-// }
-// export function isCommandPlugin<T extends CommandType>(
-//     e: CommandModulePlugin<T>,
-// ): e is CommandPlugin<T> {
-//     return !isEventPlugin(e);
-// }

src/handler/utilities/readFile.ts

@@ -1,83 +0,0 @@
-import { ApplicationCommandType, ComponentType } from 'discord.js';
-import { readdirSync, statSync } from 'fs';
-import { join } from 'path';
-import  { type Observable, from, concatAll } from 'rxjs';
-import type { CommandModule } from '../structures/module';
-import { SernError } from '../structures/errors';
-import { type Result, Err, Ok } from 'ts-results-es';
-import type { EventEmitter } from 'events';
-
-//Maybe move this? this probably doesnt belong in utlities/
-export const BothCommands = new Map<string, CommandModule>();
-export const ApplicationCommands = {
-    [ApplicationCommandType.User]: new Map<string, CommandModule>(),
-    [ApplicationCommandType.Message]: new Map<string, CommandModule>(),
-    [ApplicationCommandType.ChatInput]: new Map<string, CommandModule>(),
-} as { [K in ApplicationCommandType]: Map<string, CommandModule> };
-
-export const MessageCompCommands = {
-    [ComponentType.Button]: new Map<string, CommandModule>(),
-    [ComponentType.SelectMenu]: new Map<string, CommandModule>(),
-    [ComponentType.TextInput]: new Map<string, CommandModule>(),
-};
-export const TextCommands = {
-    text: new Map<string, CommandModule>(),
-    aliases: new Map<string, CommandModule>(),
-};
-export const ModalSubmitCommands = new Map<string, CommandModule>();
-/**
- * keeps all external emitters stored here
- */
-export const ExternalEventEmitters = new Map<string, EventEmitter>();
-
-// Courtesy @Townsy45
-function readPath(dir: string, arrayOfFiles: string[] = []): string[] {
-    try {
-        const files = readdirSync(dir);
-        for (const file of files) {
-            if (statSync(dir + '/' + file).isDirectory()) readPath(dir + '/' + file, arrayOfFiles);
-            else arrayOfFiles.push(join(dir, '/', file));
-        }
-    } catch (err) {
-        throw err;
-    }
-
-    return arrayOfFiles;
-}
-
-export const fmtFileName = (n: string) => n.substring(0, n.length - 3);
-
-/**
- *
- * @returns {Observable<{ mod: Module; absPath: string; }[]>} data from command files
- * @param commandDir
- */
-
-export function buildData<T>(commandDir: string): Observable<
-    Result<
-        {
-            mod: T;
-            absPath: string;
-        },
-        SernError
-    >
-> {
-    const commands = getCommands(commandDir);
-    return from(Promise.all(commands.map(async absPath => {
-            let mod : T | undefined;
-            try {
-                // eslint-disable-next-line @typescript-eslint/no-var-requires
-                mod = require(absPath).default;
-            } catch {
-                mod = (await import(`file:///` +absPath)).default;
-            }
-            if (mod !== undefined) {
-                return Ok({ mod, absPath });
-            } else return Err(SernError.UndefinedModule);
-        })
-    )).pipe(concatAll());
-}
-
-export function getCommands(dir: string): string[] {
-    return readPath(join(process.cwd(), dir));
-}

src/handler/utilities/treeSearch.ts

@@ -1,31 +1,54 @@
-import type { SernOptionsData } from '../structures/module';
 import { ApplicationCommandOptionType, AutocompleteInteraction } from 'discord.js';
+import type { SernAutocompleteData, SernOptionsData } from '../../types/module';
+import assert from 'assert';
 
-export default function treeSearch(iAutocomplete: AutocompleteInteraction, options: SernOptionsData[] | undefined) {
-    if(options === undefined) return undefined;
-    const _options = options.slice(); // required to prevent direct mutation of options
-    while ( _options.length > 0 ) {
+/**
+ * Uses an iterative DFS to check if an autocomplete node exists
+ * @param iAutocomplete
+ * @param options
+ */
+export default function treeSearch(
+    iAutocomplete: AutocompleteInteraction,
+    options: SernOptionsData[] | undefined,
+): SernAutocompleteData | undefined {
+    if (options === undefined) return undefined;
+    //clone to prevent mutation of original command module 
+    const _options = options.map(a => ({...a}));
+    let subcommands = new Set();
+    while (_options.length > 0) {
         const cur = _options.pop()!;
-        switch ( cur.type ) {
-            case ApplicationCommandOptionType.Subcommand : {
-                for ( const option of cur.options ?? [] ) {
-                    _options.push(option);
+        switch (cur.type) {
+            case ApplicationCommandOptionType.Subcommand:
+                {
+                    subcommands.add(cur.name);
+                    for (const option of cur.options ?? []) 
+                        _options.push(option);
                 }
-            } break;
-            case ApplicationCommandOptionType.SubcommandGroup : {
-                for (const command of cur.options ?? []) {
-                    _options.push(command);
+                break;
+            case ApplicationCommandOptionType.SubcommandGroup:
+                {
+                    for (const command of cur.options ?? []) 
+                        _options.push(command);
                 }
-            } break;
-            default : {
-                if(cur.autocomplete) {
-                    const choice = iAutocomplete.options.getFocused(true);
-                    if(cur.name === choice.name && cur.autocomplete) {
-                        return cur;
+                break;
+            default:
+                {
+                    if ('autocomplete' in cur && cur.autocomplete) {
+                        const choice = iAutocomplete.options.getFocused(true);
+                        assert('command' in cur, "No command property found for autocomplete option");
+                        if(subcommands.size > 0) {
+                            const parent = iAutocomplete.options.getSubcommand(); 
+                            const parentAndOptionMatches = subcommands.has(parent) && cur.name === choice.name;
+                            if (parentAndOptionMatches) {
+                                return cur;
+                            }
+                        } else {
+                            if(cur.name === choice.name) {
+                                return cur;
+                            }
+                        }
                     }
-                        return undefined;
                 }
-            } break;
+                break;
         }
-    }
-}
+    }}

src/index.ts

@@ -1,7 +1,18 @@
 import SernEmitter from './handler/sernEmitter';
-export { eventModule, commandModule } from './handler/sern';
+export {
+    eventModule,
+    commandModule,
+    EventExecutable,
+    CommandExecutable,
+    controller,
+    discordEvent,
+} from './handler/sern';
 export * as Sern from './handler/sern';
 export * from './types/handler';
-export * from './handler/structures/structxports';
-export * from './handler/plugins/plugin';
+export * from './types/module';
+export * from './types/plugin';
+export * from './handler/structures';
+export * from './handler/plugins';
+export * from './handler/contracts';
 export { SernEmitter };
+export * from './handler/dependencies';

src/types/handler.ts

@@ -1,8 +1,13 @@
 import type { CommandInteractionOptionResolver } from 'discord.js';
-import type { CommandModule, EventModule, Module } from '../handler/structures/module';
 import type { PayloadType } from '../handler/structures/enums';
-export type Nullish<T> = T | undefined | null;
-
+import type { InteractionReplyOptions, MessageReplyOptions } from 'discord.js';
+import type { EventEmitter } from 'events';
+import type { CommandModule, EventModule, AnyModule } from './module';
+import type { UnpackFunction } from 'iti';
+import type { ErrorHandling, Logging, ModuleManager } from '../handler/contracts';
+import type { ModuleStore } from '../handler/structures/moduleStore';
+import type SernEmitter from '../handler/sernEmitter';
+import type { Container } from 'iti';
 // Thanks to @kelsny
 export type ParseType<T> = {
     [K in keyof T]: T[K] extends unknown ? [k: K, args: T[K]] : never;
@@ -12,47 +17,55 @@ export type Args = ParseType<{ text: string[]; slash: SlashOptions }>;
 
 export type SlashOptions = Omit<CommandInteractionOptionResolver, 'getMessage' | 'getFocused'>;
 
-// Source: https://dev.to/vborodulin/ts-how-to-override-properties-with-type-intersection-554l
-export type Override<T1, T2> = Omit<T1, keyof T2> & T2;
-
-export type DefinitelyDefined<T, K extends keyof T = keyof T> = {
-    [L in K]-?: T[L] extends Record<string, unknown>
-        ? DefinitelyDefined<T[L], keyof T[L]>
-        : Required<T>[L];
-} & T;
-
-export type EventInput =
-    | string
-    | { mod: EventModule; absPath: string }[]
-    | (() => { mod: EventModule; absPath: string }[]);
-
-export type Reconstruct<T> = T extends Omit<infer O, never> ? O & Reconstruct<O> : T;
-
-export type IsOptional<T> = {
-    [K in keyof T]-?: T[K] extends Required<T>[K] ? false : true;
-};
-
-/**
- * Turns a function with a union of array of args into a single union
- *  [ T , V , B ] | [ A ] => T | V | B | A
- */
-export type SpreadParams<T extends (...args: never) => unknown> = (
-    args: Parameters<T>[number],
-) => unknown;
-
 /**
  * After modules are transformed, name and description are given default values if none
  * are provided to Module. This type represents that transformation
  */
-export type DefinedModule = DefinitelyDefined<Module, 'name' | 'description'>;
-export type DefinedCommandModule = DefinitelyDefined<CommandModule, 'name' | 'description'>;
-export type DefinedEventModule = DefinitelyDefined<EventModule, 'name' | 'description'>;
+export type AnyDefinedModule = Processed<CommandModule | EventModule>;
 export type Payload =
-    | { type: PayloadType.Success; module: Module }
-    | { type: PayloadType.Failure; module: Module | undefined; reason: string | Error };
+    | { type: PayloadType.Success; module: AnyModule }
+    | { type: PayloadType.Failure; module?: AnyModule; reason: string | Error }
+    | { type: PayloadType.Warning; reason: string };
 export type SernEventsMapping = {
-    ['module.register']: [Payload];
-    ['module.activate']: [Payload];
-    ['error']: [Error | string];
-    ['warning']: [string];
+    'module.register': [Payload];
+    'module.activate': [Payload];
+    error: [Payload];
+    warning: [Payload];
 };
+export type LogPayload<T = unknown> = { message: T };
+export type Singleton<T> = () => T;
+export type Transient<T> = () => () => T;
+
+export interface Dependencies {
+    '@sern/client': Singleton<EventEmitter>;
+    '@sern/logger'?: Singleton<Logging>;
+    '@sern/emitter': Singleton<SernEmitter>;
+    '@sern/store': Singleton<ModuleStore>;
+    '@sern/modules': Singleton<ModuleManager>;
+    '@sern/errors': Singleton<ErrorHandling>;
+}
+
+export type ReplyOptions =
+    | string
+    | Omit<InteractionReplyOptions, 'fetchReply'>
+    | MessageReplyOptions;
+//prettier-ignore
+export type MapDeps<Deps extends Dependencies, T extends readonly unknown[]> = T extends [
+    infer First extends keyof Deps,
+    ...infer Rest extends readonly unknown[],
+]
+    ? [
+          UnpackFunction<Deps[First]>,
+          ...(MapDeps<Deps, Rest> extends [never] ? [] : MapDeps<Deps, Rest>),
+      ]
+    : [never];
+//Basically, '@sern/client' | '@sern/store' | '@sern/modules' | '@sern/error' | '@sern/emitter' will be provided defaults, and you can exclude the rest
+export type OptionalDependencies = '@sern/logger';
+export type Processed<T> = T & { name: string; description: string };
+export type Deprecated<Message extends string> = [never, Message];
+export interface DependencyConfiguration<T extends Dependencies> {
+    exclude?: Set<OptionalDependencies>;
+    build: (root: Container<Omit<Dependencies, '@sern/client'>, {}>) => Container<T, {}>;
+}
+
+export type ImportPayload<T> = { module: T; absPath: string };

src/types/module.ts

@@ -0,0 +1,228 @@
+import type {
+    ApplicationCommandAttachmentOption,
+    ApplicationCommandChannelOptionData,
+    ApplicationCommandChoicesData,
+    ApplicationCommandNonOptionsData,
+    ApplicationCommandNumericOptionData,
+    ApplicationCommandOptionData,
+    ApplicationCommandOptionType,
+    ApplicationCommandSubCommandData,
+    ApplicationCommandSubGroupData,
+    AutocompleteInteraction,
+    Awaitable,
+    BaseApplicationCommandOptionsData,
+    ButtonInteraction,
+    MessageContextMenuCommandInteraction,
+    ModalSubmitInteraction,
+    UserContextMenuCommandInteraction,
+    ChannelSelectMenuInteraction,
+    MentionableSelectMenuInteraction,
+    RoleSelectMenuInteraction,
+    StringSelectMenuInteraction,
+    UserSelectMenuInteraction,
+} from 'discord.js';
+import { CommandType } from '../handler/structures/enums';
+import type { Args, SlashOptions } from './handler';
+import type Context from '../handler/structures/context';
+import type { InitPlugin, ControlPlugin } from './plugin';
+import { EventType } from '../handler/structures/enums';
+import type { AnyCommandPlugin, AnyEventPlugin } from './plugin';
+import type { SernEventsMapping } from './handler';
+import type { ClientEvents } from 'discord.js';
+
+export interface Module {
+    type: CommandType | EventType;
+    name?: string;
+    onEvent: ControlPlugin[];
+    plugins: InitPlugin[];
+    description?: string;
+    execute: (...args: any[]) => Awaitable<any>;
+}
+
+export interface TextCommand extends Module {
+    type: CommandType.Text;
+    alias?: string[];
+    execute: (ctx: Context, args: ['text', string[]]) => Awaitable<unknown>;
+}
+
+export interface SlashCommand extends Module {
+    type: CommandType.Slash;
+    description: string;
+    options?: SernOptionsData[];
+    execute: (ctx: Context, args: ['slash', SlashOptions]) => Awaitable<unknown>;
+}
+
+export interface BothCommand extends Module {
+    type: CommandType.Both;
+    alias?: string[];
+    description: string;
+    options?: SernOptionsData[];
+    execute: (ctx: Context, args: Args) => Awaitable<unknown>;
+}
+
+export interface ContextMenuUser extends Module {
+    type: CommandType.CtxUser;
+    execute: (ctx: UserContextMenuCommandInteraction) => Awaitable<unknown>;
+}
+
+export interface ContextMenuMsg extends Module {
+    type: CommandType.CtxMsg;
+    execute: (ctx: MessageContextMenuCommandInteraction) => Awaitable<unknown>;
+}
+
+export interface ButtonCommand extends Module {
+    type: CommandType.Button;
+    execute: (ctx: ButtonInteraction) => Awaitable<unknown>;
+}
+
+export interface StringSelectCommand extends Module {
+    type: CommandType.StringSelect;
+    execute: (ctx: StringSelectMenuInteraction) => Awaitable<unknown>;
+}
+
+export interface ChannelSelectCommand extends Module {
+    type: CommandType.ChannelSelect;
+    execute: (ctx: ChannelSelectMenuInteraction) => Awaitable<unknown>;
+}
+
+export interface RoleSelectCommand extends Module {
+    type: CommandType.RoleSelect;
+    execute: (ctx: RoleSelectMenuInteraction) => Awaitable<unknown>;
+}
+
+export interface MentionableSelectCommand extends Module {
+    type: CommandType.MentionableSelect;
+    execute: (ctx: MentionableSelectMenuInteraction) => Awaitable<unknown>;
+}
+
+export interface UserSelectCommand extends Module {
+    type: CommandType.UserSelect;
+    execute: (ctx: UserSelectMenuInteraction) => Awaitable<unknown>;
+}
+
+export interface ModalSubmitCommand extends Module {
+    type: CommandType.Modal;
+    execute: (ctx: ModalSubmitInteraction) => Awaitable<unknown>;
+}
+
+export interface AutocompleteCommand
+    extends Omit<Module, 'name' | 'type' | 'plugins' | 'description'> {
+    onEvent: ControlPlugin[];
+    execute: (ctx: AutocompleteInteraction) => Awaitable<unknown>;
+}
+
+export interface SernEventCommand<T extends keyof SernEventsMapping = keyof SernEventsMapping>
+    extends Module {
+    name?: T;
+    type: EventType.Sern;
+    execute(...args: SernEventsMapping[T]): Awaitable<unknown>;
+}
+
+export interface DiscordEventCommand<T extends keyof ClientEvents = keyof ClientEvents>
+    extends Module {
+    name?: T;
+    type: EventType.Discord;
+    execute(...args: ClientEvents[T]): Awaitable<unknown>;
+}
+
+export interface ExternalEventCommand extends Module {
+    name?: string;
+    emitter: string;
+    type: EventType.External;
+    execute(...args: unknown[]): Awaitable<unknown>;
+}
+
+export type EventModule = DiscordEventCommand | SernEventCommand | ExternalEventCommand;
+export type CommandModule =
+    | TextCommand
+    | SlashCommand
+    | BothCommand
+    | ContextMenuUser
+    | ContextMenuMsg
+    | ButtonCommand
+    | StringSelectCommand
+    | MentionableSelectCommand
+    | UserSelectCommand
+    | ChannelSelectCommand
+    | RoleSelectCommand
+    | ModalSubmitCommand;
+
+export type AnyModule = CommandModule | EventModule;
+
+//https://stackoverflow.com/questions/64092736/alternative-to-switch-statement-for-typescript-discriminated-union
+// Explicit Module Definitions for mapping
+export type CommandModuleDefs = {
+    [CommandType.Text]: TextCommand;
+    [CommandType.Slash]: SlashCommand;
+    [CommandType.Both]: BothCommand;
+    [CommandType.CtxMsg]: ContextMenuMsg;
+    [CommandType.CtxUser]: ContextMenuUser;
+    [CommandType.Button]: ButtonCommand;
+    [CommandType.StringSelect]: StringSelectCommand;
+    [CommandType.RoleSelect]: RoleSelectCommand;
+    [CommandType.ChannelSelect]: ChannelSelectCommand;
+    [CommandType.MentionableSelect]: MentionableSelectCommand;
+    [CommandType.UserSelect]: UserSelectCommand;
+    [CommandType.Modal]: ModalSubmitCommand;
+};
+
+export type EventModuleDefs = {
+    [EventType.Sern]: SernEventCommand;
+    [EventType.Discord]: DiscordEventCommand;
+    [EventType.External]: ExternalEventCommand;
+};
+
+export interface SernAutocompleteData
+    extends Omit<BaseApplicationCommandOptionsData, 'autocomplete'> {
+    autocomplete: true;
+    type:
+        | ApplicationCommandOptionType.String
+        | ApplicationCommandOptionType.Number
+        | ApplicationCommandOptionType.Integer;
+    command: AutocompleteCommand;
+}
+
+export type CommandModuleNoPlugins = {
+    [T in CommandType]: Omit<CommandModuleDefs[T], 'plugins' | 'onEvent'>;
+};
+export type EventModulesNoPlugins = {
+    [T in EventType]: Omit<EventModuleDefs[T], 'plugins' | 'onEvent'>;
+};
+
+export type InputEvent = {
+    [T in EventType]: EventModulesNoPlugins[T] & { plugins?: AnyEventPlugin[] };
+}[EventType];
+
+export type InputCommand = {
+    [T in CommandType]: CommandModuleNoPlugins[T] & { plugins?: AnyCommandPlugin[] };
+}[CommandType];
+
+/**
+ * Type that replaces autocomplete with {@link SernAutocompleteData}
+ */
+export type BaseOptions =
+    | ApplicationCommandChoicesData
+    | ApplicationCommandNonOptionsData
+    | ApplicationCommandChannelOptionData
+    | ApplicationCommandNumericOptionData
+    | ApplicationCommandAttachmentOption
+    | SernAutocompleteData;
+
+export interface SernSubCommandData extends BaseApplicationCommandOptionsData {
+    type: ApplicationCommandOptionType.Subcommand;
+    required?: never;
+    options?: BaseOptions[];
+}
+
+export interface SernSubCommandGroupData extends BaseApplicationCommandOptionsData {
+    type: ApplicationCommandOptionType.SubcommandGroup;
+    required?: never;
+    options?: SernSubCommandData[];
+}
+
+export type SernOptionsData<U extends ApplicationCommandOptionData = ApplicationCommandOptionData> =
+    U extends ApplicationCommandSubCommandData
+        ? SernSubCommandData
+        : U extends ApplicationCommandSubGroupData
+        ? SernSubCommandGroupData
+        : BaseOptions;

src/types/plugin.ts

@@ -0,0 +1,74 @@
+/*
+ * Plugins can be inserted on all commands and are emitted
+ *
+ * 1. On ready event, where all commands are loaded.
+ * 2. On corresponding observable (when command triggers)
+ *
+ * The goal of plugins is to organize commands and
+ * provide extensions to repetitive patterns
+ * examples include refreshing modules,
+ * categorizing commands, cool-downs, permissions, etc.
+ * Plugins are reminiscent of middleware in express.
+ */
+
+import type { Awaitable } from 'discord.js';
+import type { Err, Ok, Result } from 'ts-results-es';
+import type { PluginType } from '../handler/structures/enums';
+import type { CommandModule, EventModule } from './module';
+import type { CommandArgs, InitArgs } from '../handler/plugins';
+import type { Deprecated, Processed } from './handler';
+import type { CommandType } from '../handler/structures/enums';
+export type PluginResult = Awaitable<VoidResult>;
+export type VoidResult = Result<void, void>;
+
+export interface Controller {
+    next: () => Ok<void>;
+    stop: () => Err<void>;
+}
+export interface Plugin<Args extends any[] = any[]> {
+    type: PluginType;
+    execute: (...args: Args) => PluginResult;
+}
+
+export interface InitPlugin<Args extends any[] = any[]> {
+    type: PluginType.Init;
+    execute: (...args: Args) => PluginResult;
+}
+export interface ControlPlugin<Args extends any[] = any[]> {
+    type: PluginType.Control;
+    execute: (...args: Args) => PluginResult;
+}
+
+export type AnyCommandPlugin = ControlPlugin | InitPlugin<[InitArgs<Processed<CommandModule>>]>;
+export type AnyEventPlugin = ControlPlugin | InitPlugin<[InitArgs<Processed<EventModule>>]>;
+
+/**
+ * @deprecated
+ * Use the newer helper functions and import { controller } from '@sern/handler'
+ */
+export interface CommandPlugin<T extends CommandType = CommandType> {
+    name?: string;
+    description?: string;
+    type: PluginType.Command;
+    execute: (
+        m: InitArgs<Processed<CommandModule>>,
+        controller?: Deprecated<'Please import controller instead'>,
+    ) => PluginResult;
+}
+/**
+ * @deprecated
+ * Use the newer helper functions
+ */
+export interface EventPlugin<T extends CommandType> {
+    name?: string;
+    description?: string;
+    type: PluginType.Event;
+    execute: (args: CommandArgs<T, PluginType.Event>, controller?: Controller) => PluginResult;
+}
+export type DiscordEmitterPlugin = Deprecated<'Please view alternatives: '>;
+export type ExternalEmitterPlugin = Deprecated<'Please view alternatives: '>;
+export type SernEmitterPlugin = Deprecated<'Please view alternatives: '>;
+export type AutocompletePlugin = Deprecated<'Please view alternatives: '>;
+export type SernEventPlugin = Deprecated<'Please view alternatives: '>;
+export type ExternalEventPlugin = Deprecated<'Please view alternatives: '>;
+export type DiscordEventPlugin = Deprecated<'Please view alternatives: '>;

tsconfig-base.json

@@ -1,17 +1,18 @@
 {
-  "compilerOptions": {
-    "rootDir": "src",
-    "strict": true,
-    "esModuleInterop": true,
-    "noImplicitAny": true,
-    "strictNullChecks": true,
-    "importsNotUsedAsValues": "error",
-    "moduleResolution": "node",
-    "skipLibCheck": true,
-    "declaration": true,
-    "allowSyntheticDefaultImports": true,
-    "forceConsistentCasingInFileNames": true,
-  },
-  "exclude": ["node_modules", "dist"],
-  "include": ["src"],
+    "compilerOptions": {
+        "rootDir": "src",
+        "strict": true,
+        "esModuleInterop": true,
+        "noImplicitAny": true,
+        "experimentalDecorators": true,
+        "strictNullChecks": true,
+        "moduleResolution": "node",
+        "skipLibCheck": true,
+        "declaration": true,
+        "preserveSymlinks": true,
+        "allowSyntheticDefaultImports": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "exclude": ["node_modules", "dist"],
+    "include": ["src"]
 }

tsconfig-cjs.json

@@ -1,8 +1,8 @@
 {
-  "extends": "./tsconfig-base.json",
-  "compilerOptions": {
-    "module": "commonjs",
-    "outDir": "dist/cjs",
-    "target": "esnext"
-  }
-}
+    "extends": "./tsconfig-base.json",
+    "compilerOptions": {
+        "module": "commonjs",
+        "outDir": "dist/cjs",
+        "target": "esnext"
+    }
+}

tsconfig-esm.json

@@ -1,8 +1,8 @@
 {
-  "extends": "./tsconfig-base.json",
-  "compilerOptions": {
-    "module": "esnext",
-    "outDir": "dist/esm",
-    "target": "esnext"
-  }
-}
+    "extends": "./tsconfig-base.json",
+    "compilerOptions": {
+        "module": "esnext",
+        "outDir": "dist/esm",
+        "target": "esnext"
+    }
+}

tsconfig.json

@@ -0,0 +1,3 @@
+{
+    "extends": "./tsconfig-esm.json"
+}

tsup.config.js

@@ -1,38 +1,48 @@
 import { defineConfig } from 'tsup';
-
+import { writeFile } from 'fs/promises';
+import ifdefPlugin from 'esbuild-ifdef';
+const shared = {
+    entry: ['src/index.ts'],
+    external: ['discord.js'],
+    platform: 'node',
+    clean: true,
+    sourcemap: false,
+};
 export default defineConfig([
     {
-        entry: ['src/index.ts'],
-        format : 'esm',
-        sourcemap: false,
+        format: 'esm',
         target: 'node16',
-        tsconfig : './tsconfig-esm.json',
-        outDir : './dist/esm',
-        platform: 'node',
-        external: ['discord.js'],
-        clean: true,
+        tsconfig: './tsconfig-esm.json',
+        outDir: './dist/esm',
         treeshake: true,
+        esbuildPlugins: [ifdefPlugin({ variables: { MODE: 'esm' }, verbose: true })],
         outExtension() {
             return {
-                js : '.mjs'
+                js: '.mjs',
             };
-        }
+        },
+        async onSuccess() {
+            console.log('writing json esm');
+            await writeFile('./dist/esm/package.json', JSON.stringify({ type: 'module' }));
+        },
+        ...shared,
     },
     {
-        entry: ['src/index.ts'],
-        format : 'cjs',
+        format: 'cjs',
+        esbuildPlugins: [ifdefPlugin({ variables: { MODE: 'cjs' }, verbose: true })],
         splitting: false,
-        sourcemap: false,
-        external: ['discord.js'],
-        clean: true,
         target: 'node16',
-        tsconfig : './tsconfig-cjs.json',
-        outDir : './dist/cjs',
-        platform: 'node',
+        tsconfig: './tsconfig-cjs.json',
+        outDir: './dist/cjs',
         outExtension() {
             return {
-                js : '.cjs'
+                js: '.cjs',
             };
-        }
-    }
+        },
+        async onSuccess() {
+            console.log('writing json commonjs');
+            await writeFile('./dist/cjs/package.json', JSON.stringify({ type: 'commonjs' }));
+        },
+        ...shared,
+    },
 ]);