545563e776
- Complete NestJS TypeScript implementation with WebSocket support - Direct messaging (DM) and group chat functionality - End-to-end encryption with AES encryption and key pairs - Media file support (images, videos, audio, documents) up to 100MB - Push notifications with Firebase Cloud Messaging integration - Mention alerts and real-time typing indicators - User authentication with JWT and Passport - SQLite database with TypeORM entities and relationships - Comprehensive API documentation with Swagger/OpenAPI - File upload handling with secure access control - Online/offline status tracking and presence management - Message editing, deletion, and reply functionality - Notification management with automatic cleanup - Health check endpoint for monitoring - CORS configuration for cross-origin requests - Environment-based configuration management - Structured for Flutter SDK integration Features implemented: ✅ Real-time messaging with Socket.IO ✅ User registration and authentication ✅ Direct messages and group chats ✅ Media file uploads and management ✅ End-to-end encryption ✅ Push notifications ✅ Mention alerts ✅ Typing indicators ✅ Message read receipts ✅ Online status tracking ✅ File access control ✅ Comprehensive API documentation Ready for Flutter SDK development and production deployment.
50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
var createPadding = require('./_createPadding'),
|
|
stringSize = require('./_stringSize'),
|
|
toInteger = require('./toInteger'),
|
|
toString = require('./toString');
|
|
|
|
/* Built-in method references for those with the same name as other `lodash` methods. */
|
|
var nativeCeil = Math.ceil,
|
|
nativeFloor = Math.floor;
|
|
|
|
/**
|
|
* Pads `string` on the left and right sides if it's shorter than `length`.
|
|
* Padding characters are truncated if they can't be evenly divided by `length`.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @since 3.0.0
|
|
* @category String
|
|
* @param {string} [string=''] The string to pad.
|
|
* @param {number} [length=0] The padding length.
|
|
* @param {string} [chars=' '] The string used as padding.
|
|
* @returns {string} Returns the padded string.
|
|
* @example
|
|
*
|
|
* _.pad('abc', 8);
|
|
* // => ' abc '
|
|
*
|
|
* _.pad('abc', 8, '_-');
|
|
* // => '_-abc_-_'
|
|
*
|
|
* _.pad('abc', 3);
|
|
* // => 'abc'
|
|
*/
|
|
function pad(string, length, chars) {
|
|
string = toString(string);
|
|
length = toInteger(length);
|
|
|
|
var strLength = length ? stringSize(string) : 0;
|
|
if (!length || strLength >= length) {
|
|
return string;
|
|
}
|
|
var mid = (length - strLength) / 2;
|
|
return (
|
|
createPadding(nativeFloor(mid), chars) +
|
|
string +
|
|
createPadding(nativeCeil(mid), chars)
|
|
);
|
|
}
|
|
|
|
module.exports = pad;
|