expo-edge-speech/dist/utils/commonUtils.d.ts

Text-to-speech library for Expo using Microsoft Edge TTS service

/**
 * Common utility functions shared across the application.
 * Consolidated from duplicated implementations to maintain DRY principle.
 */
import { SpeechOptions, SpeechError } from "../types";
/**
 * Validation result interface
 */
export interface ValidationResult {
    isValid: boolean;
    errors: string[];
    warnings: string[];
}
/**
 * Generate unique connection ID using UUID v4 without dashes (32 character string)
 * Consolidated from duplicated implementations in connectionManager.ts, networkService.ts, and state.ts
 */
export declare function generateConnectionId(): string;
/**
 * Generate RFC 3339 timestamp with microseconds
 * Used for message timestamps in Edge TTS protocol
 */
export declare function generateTimestamp(): string;
/**
 * Clamp a numeric value between min and max bounds
 * @param value - The value to clamp
 * @param min - Minimum allowed value
 * @param max - Maximum allowed value
 * @returns Clamped value
 */
export declare function clampValue(value: number, min: number, max: number): number;
/**
 * Generate a unique session ID
 * @returns A unique session identifier
 */
export declare function generateSessionId(): string;
/**
 * Validate text input for speech synthesis
 * @param text - The text to validate
 * @returns Validation result
 */
export declare function validateText(text: string): ValidationResult;
/**
 * Validate and normalize speech parameters
 * Consolidates validation logic from Speech.ts and ssmlUtils.ts
 * @param options - Speech options to validate
 * @param clampValues - Whether to clamp values to valid ranges (default: true)
 * @returns Validation result and normalized options
 */
export declare function validateSpeechParameters(options: SpeechOptions, clampValues?: boolean): {
    result: ValidationResult;
    normalizedOptions: SpeechOptions;
};
/**
 * Create a standardized SpeechError
 * @param name - Error name
 * @param message - Error message
 * @param code - Error code (optional)
 * @returns SpeechError object
 */
export declare function createSpeechError(name: string, message: string, code?: string | number): SpeechError;
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