basic hardcoded search functionality

.eslintrc.json

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+{
+    "env": {
+        "es6": true,
+        "node": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/eslint-recommended"
+    ],
+    "globals": {
+        "Atomics": "readonly",
+        "SharedArrayBuffer": "readonly"
+    },
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": 2018,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "indent": [
+            "warn",
+            "tab"
+        ],
+        "linebreak-style": "off",
+        "quotes": [
+            "error",
+            "single"
+        ],
+        "semi": [
+            "error",
+            "always"
+        ],
+        "no-mixed-spaces-and-tabs": "off"
+    }
+}

.gitignore

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+node_modules
+.vscode
+
+built/
+
+.env

LICENSE.md

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+Copyright (c) 2020 Jill "Oatmealine"
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+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.

package.json

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+{
+  "name": "cumstorm",
+  "version": "1.0.0",
+  "description": "a typescript gdps",
+  "main": "built/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "quickrun": "tsc && node built/index.js"
+  },
+  "keywords": [
+    "gdps",
+    "geometry-dash",
+    "gd",
+    "server"
+  ],
+  "author": "oatmealine <krakaka088@gmail.com> (https://koyu.space/@oatmealine)",
+  "license": "MIT",
+  "dependencies": {
+    "chalk": "^3.0.0",
+    "express": "^4.17.1",
+    "typescript": "^3.7.5"
+  },
+  "devDependencies": {
+    "@types/express": "^4.17.2",
+    "@types/node": "^13.5.0",
+    "@typescript-eslint/eslint-plugin": "^2.17.0",
+    "@typescript-eslint/parser": "^2.17.0",
+    "eslint": "^6.8.0"
+  }
+}

src/getGJLevels21.ts

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+import * as hash from './hash';
+
+// hardcoded for now
+const levels = [
+	{
+		'id': 1,
+		'name': 'I am awesome level',
+		'diff': 20,
+		'downloads': 20,
+		'likes': 30,
+		'song': 0,
+		'stars': 5,
+		'description': 'An awesome level!!!!',
+		'length': 0,
+		'author': 16
+	},
+	{
+		'id': 2,
+		'name': 'SECOND',
+		'diff': 10,
+		'downloads': 20,
+		'likes': 30,
+		'song': 3,
+		'stars': 5,
+		'description': 'An awesome level!!!!',
+		'length': 0,
+		'author': 16
+	},
+	{
+		'id': 3,
+		'name': '333',
+		'diff': 60,
+		'downloads': 333,
+		'likes': 333,
+		'song': 3,
+		'stars': 333,
+		'description': 'An awesome level!!!!',
+		'length': 0,
+		'author': 16
+	}
+];
+
+module.exports = (app) : void => {
+	
+	app.post('/aa/database/getGJLevels21.php', (req, res) => {
+		let levelsString = '';
+
+		let results = levels // TODO: searching
+			.map(l => 
+				`1:${l.id}:2:${l.name}:5:0:6:16:8:10:9:${l.diff}:10:${l.downloads}:12:1:13:21:14:${l.likes}:17:0:43:0:25:0:18:${l.stars}:19:0:42:0:45:10:3:${l.description}:15:1:30:0:31:0:37:0:38:0:39:0:46:1:47:2:40:0:35:0`
+			)
+			.join('|');
+		
+		let users = new Array(levels.length) // placeholder
+			.fill('16:mat:0')
+			.join('|');
+
+		let songs = ''; // placeholder
+
+		levelsString = [results, users, songs, levels.length].join('#') + ':0:10#' + hash.hashLevels(levels);
+
+		res.status(200).send(levelsString);
+	});
+};

src/hash.ts

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+import * as crypto from 'crypto';
+
+export function hashLevels(levels : any[]) : string {
+	let c = levels.map(lvl => `${lvl.id.toString()[0]}${lvl.id.toString().slice(-1)}${lvl.stars}0`).join('');
+
+	let shasum = crypto.createHash('sha1');
+	shasum.update(c + 'xI25fpAapCQg');
+	return shasum.digest('hex');
+}

src/index.ts

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+import * as express from 'express';
+const app = express();
+
+app.use(express.urlencoded({ extended: true }));
+
+app.get('/', (req, res) => {
+	res.send('Hello World');
+});
+
+require('./getGJLevels21')(app);
+
+app.get('*', (req, res) => res.status(404).send('wrong page dumbass'));
+
+app.listen(3000);

tsconfig.json

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+{
+  "compilerOptions": {
+      "outDir": "./built",
+      "allowJs": true,
+      "target": "esnext",
+      "module": "commonjs",
+      "noImplicitReturns": true
+  },
+  "include": [
+      "src/*"
+  ]
+}