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Darius Rapalis
2025-09-21 20:21:03 +03:00
commit 8a6cf642a3
9 changed files with 759 additions and 0 deletions
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.gitignore vendored Normal file
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node_modules
.idea

33
docker-compose.yml Normal file
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version: "3.9"
services:
postgres:
image: postgres:15
container_name: postgres_db
restart: unless-stopped
environment:
POSTGRES_USER: admin
POSTGRES_PASSWORD: admin123
POSTGRES_DB: mydb
ports:
- "5432:5432"
volumes:
- postgres_data:/var/lib/postgresql/data
pgadmin:
image: dpage/pgadmin4:latest
container_name: pgadmin_ui
restart: unless-stopped
environment:
PGADMIN_DEFAULT_EMAIL: admin@admin.com
PGADMIN_DEFAULT_PASSWORD: admin123
ports:
- "8080:80"
depends_on:
- postgres
volumes:
- pgadmin_data:/var/lib/pgadmin
volumes:
postgres_data:
pgadmin_data:

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package-lock.json generated Normal file
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},
"node_modules/undici-types": {
"version": "7.12.0",
"resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.12.0.tgz",
"integrity": "sha512-goOacqME2GYyOZZfb5Lgtu+1IDmAlAEu5xnD3+xTzS10hT0vzpf0SPjkXwAw9Jm+4n/mQGDP3LO8CPbYROeBfQ==",
"dev": true,
"license": "MIT"
}
}
}

26
package.json Normal file
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{
"name": "boot-dev-typescript-blog-aggregator",
"version": "1.0.0",
"main": "index.js",
"type": "module",
"scripts": {
"start": "tsx ./src/index.ts"
},
"repository": {
"type": "git",
"url": "git+https://github.com/rdarius/boot-dev-typescript-blog-aggregator.git"
},
"keywords": [],
"author": "",
"license": "ISC",
"bugs": {
"url": "https://github.com/rdarius/boot-dev-typescript-blog-aggregator/issues"
},
"homepage": "https://github.com/rdarius/boot-dev-typescript-blog-aggregator#readme",
"description": "",
"devDependencies": {
"@types/node": "^24.5.0",
"tsx": "^4.20.5",
"typescript": "^5.9.2"
}
}

24
src/commands/commands.ts Normal file
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export type CommandHandler = (cmdName: string, ...args: string[]) => void;
export type CommandsRegistry = Record<string, CommandHandler>;
export function registerCommand(
registry: CommandsRegistry,
cmdName: string,
handler: CommandHandler,
): void {
registry[cmdName] = handler;
}
export function runCommand(
registry: CommandsRegistry,
cmdName: string,
...args: string[]
): void {
const handler = registry[cmdName];
if (!handler) {
throw new Error(`Unknown command: ${cmdName}`);
}
handler(cmdName, ...args);
}

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src/commands/users.ts Normal file
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import { setUser } from "../config";
export function handlerLogin(cmdName: string, ...args: string[]) {
if (args.length !== 1) {
throw new Error(`usage: ${cmdName} <name>`);
}
const userName = args[0];
setUser(userName);
console.log("User switched successfully!");
}

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src/config.ts Normal file
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import {readFileSync, writeFileSync} from "fs";
import * as os from "os";
import path from "path";
const GATOR_FILE = path.join(os.homedir(), '.gatorconfig.json');
export type Config = {
dbUrl: string;
currentUserName: string;
}
export function setUser(user: string): void {
const config = readConfig();
config.currentUserName = user;
writeFileSync(GATOR_FILE, JSON.stringify(config, null, 2));
}
export function readConfig(): Config {
const file = readFileSync(GATOR_FILE).toString();
return JSON.parse(file) as Config;
}

34
src/index.ts Normal file
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import {
type CommandsRegistry,
registerCommand,
runCommand,
} from "./commands/commands";
import { handlerLogin } from "./commands/users";
function main() {
const args = process.argv.slice(2);
if (args.length < 1) {
console.log("usage: cli <command> [args...]");
process.exit(1);
}
const cmdName = args[0];
const cmdArgs = args.slice(1);
const commandsRegistry: CommandsRegistry = {};
registerCommand(commandsRegistry, "login", handlerLogin);
try {
runCommand(commandsRegistry, cmdName, ...cmdArgs);
} catch (err) {
if (err instanceof Error) {
console.error(`Error running command ${cmdName}: ${err.message}`);
} else {
console.error(`Error running command ${cmdName}: ${err}`);
}
process.exit(1);
}
}
main();

15
tsconfig.json Normal file
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{
"compilerOptions": {
"baseUrl": ".",
"target": "esnext",
"module": "esnext",
"rootDir": "./src",
"outDir": "./dist",
"strict": true,
"moduleResolution": "Node",
"esModuleInterop": true,
"skipLibCheck": true
},
"include": ["./src/**/*.ts"],
"exclude": ["node_modules"]
}