@hyperlane-xyz/utils/dist/fs/json.d.ts

General utilities and types for the Hyperlane network

/**
 * Reads and parses a JSON file.
 */
export declare function readJson<T>(filepath: string): T;
/**
 * Attempts to read and parse a JSON file, returning null if it fails.
 */
export declare function tryReadJson<T>(filepath: string): T | null;
/**
 * Writes an object as JSON to a file with a trailing newline.
 * Uses stringifyObject to properly handle ethers BigNumber serialization.
 */
export declare function writeJson(filepath: string, obj: unknown): void;
/**
 * Merges an object with existing JSON file content and writes the result.
 * If the file doesn't exist, writes the object directly.
 */
export declare function mergeJson<T extends Record<string, unknown>>(filepath: string, obj: T): void;
/**
 * Reads JSON from a directory with the specified filename.
 */
export declare function readJsonFromDir<T>(directory: string, filename: string): T;
/**
 * Writes JSON to a directory with the specified filename.
 */
export declare function writeJsonToDir(directory: string, filename: string, obj: unknown): void;
/**
 * Merges JSON in a directory with the specified filename.
 */
export declare function mergeJsonInDir<T extends Record<string, unknown>>(directory: string, filename: string, obj: T): void;
/**
 * Write JSON to file, optionally preserving existing values for keys.
 * If appendMode is true, preserves all existing keys and their values,
 * only adding new keys from newData that don't exist in the file.
 */
export declare function writeJsonWithAppendMode(filepath: string, newData: Record<string, unknown>, appendMode: boolean): void;
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