subtexty/dist/validation.d.ts

Extract clean plain-text from subtitle files

/**
 * Input validation utilities and type guards
 */
import { ExtractOptions, SubtitleFormat } from './types';
/**
 * Type guard for ExtractOptions
 */
export declare function isValidExtractOptions(obj: unknown): obj is ExtractOptions;
/**
 * Type guard for valid subtitle file extensions
 */
export declare function isSupportedSubtitleFormat(filePath: string): boolean;
/**
 * Type guard for subtitle entry object
 */
export declare function isValidSubtitleObject(obj: unknown): obj is {
    text: string;
};
/**
 * Type guard for file path validation
 */
export declare function isValidFilePath(filePath: unknown): filePath is string;
/**
 * Validates and sanitizes file path input
 */
export declare function validateFilePath(filePath: unknown): string;
/**
 * Validates file exists and is accessible
 */
export declare function validateFileAccess(filePath: string): void;
/**
 * Validates subtitle format is supported
 */
export declare function validateSubtitleFormat(filePath: string): SubtitleFormat;
/**
 * Validates extract options
 */
export declare function validateExtractOptions(options: unknown): ExtractOptions;
/**
 * Validates output directory exists and is writable
 */
export declare function validateOutputPath(outputPath: string): void;
/**
 * Comprehensive input validation for extractText function
 */
export declare function validateExtractTextInput(filePath: unknown, options?: unknown): {
    validatedPath: string;
    validatedOptions: ExtractOptions;
};
/**
 * Runtime type assertion with better error messages
 */
export declare function assertType<T>(value: unknown, predicate: (value: unknown) => value is T, fieldName: string, expectedType: string): asserts value is T;
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