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.
44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
var baseToString = require('./_baseToString'),
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castSlice = require('./_castSlice'),
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charsStartIndex = require('./_charsStartIndex'),
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stringToArray = require('./_stringToArray'),
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toString = require('./toString');
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/** Used to match leading whitespace. */
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var reTrimStart = /^\s+/;
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/**
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* Removes leading whitespace or specified characters from `string`.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category String
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* @param {string} [string=''] The string to trim.
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* @param {string} [chars=whitespace] The characters to trim.
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* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
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* @returns {string} Returns the trimmed string.
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* @example
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*
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* _.trimStart(' abc ');
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* // => 'abc '
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*
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* _.trimStart('-_-abc-_-', '_-');
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* // => 'abc-_-'
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*/
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function trimStart(string, chars, guard) {
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string = toString(string);
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if (string && (guard || chars === undefined)) {
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return string.replace(reTrimStart, '');
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}
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if (!string || !(chars = baseToString(chars))) {
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return string;
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}
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var strSymbols = stringToArray(string),
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start = charsStartIndex(strSymbols, stringToArray(chars));
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return castSlice(strSymbols, start).join('');
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}
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module.exports = trimStart;
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