@juspay/neurolink/dist/types/stt.js

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/**
 * Speech-to-Text (STT) Type Definitions for NeuroLink
 *
 * All STT-specific types: options, results, handlers,
 * provider-specific options, error codes, defaults, and type guards.
 *
 * @module types/stt
 */
// ============================================================================
// STT ERROR CODES
// ============================================================================
/**
 * STT error codes
 */
export const STT_ERROR_CODES = {
    AUDIO_EMPTY: "STT_AUDIO_EMPTY",
    AUDIO_TOO_LONG: "STT_AUDIO_TOO_LONG",
    INVALID_AUDIO_FORMAT: "STT_INVALID_AUDIO_FORMAT",
    LANGUAGE_NOT_SUPPORTED: "STT_LANGUAGE_NOT_SUPPORTED",
    TRANSCRIPTION_FAILED: "STT_TRANSCRIPTION_FAILED",
    PROVIDER_NOT_CONFIGURED: "STT_PROVIDER_NOT_CONFIGURED",
    PROVIDER_NOT_SUPPORTED: "STT_PROVIDER_NOT_SUPPORTED",
    STREAM_ERROR: "STT_STREAM_ERROR",
    STREAMING_NOT_SUPPORTED: "STT_STREAMING_NOT_SUPPORTED",
};
// ============================================================================
// STT DEFAULTS
// ============================================================================
/**
 * Default STT options
 */
export const DEFAULT_STT_OPTIONS = {
    language: "en-US",
    punctuation: true,
    profanityFilter: false,
    sampleRate: 16000,
};
// ============================================================================
// STT TYPE GUARDS
// ============================================================================
/**
 * Type guard for STTResult
 */
export function isSTTResult(value) {
    if (!value || typeof value !== "object") {
        return false;
    }
    const obj = value;
    return (typeof obj.text === "string" &&
        typeof obj.confidence === "number" &&
        obj.confidence >= 0 &&
        obj.confidence <= 1);
}
/**
 * Type guard for valid STTOptions
 */
export function isValidSTTOptions(options) {
    if (!options || typeof options !== "object") {
        return false;
    }
    const opts = options;
    if (opts.sampleRate !== undefined) {
        if (typeof opts.sampleRate !== "number" || opts.sampleRate <= 0) {
            return false;
        }
    }
    if (opts.speakerCount !== undefined) {
        if (typeof opts.speakerCount !== "number" ||
            opts.speakerCount < 1 ||
            opts.speakerCount > 10) {
            return false;
        }
    }
    return true;
}
/**
 * Type guard for TranscriptionSegment
 */
export function isTranscriptionSegment(value) {
    if (!value || typeof value !== "object") {
        return false;
    }
    const obj = value;
    // `index` is optional on the type — accept either undefined or a number,
    // otherwise valid segments without an index would fail the guard.
    return ((obj.index === undefined || typeof obj.index === "number") &&
        typeof obj.text === "string" &&
        typeof obj.isFinal === "boolean");
}