@salesforce/core/lib/util/fs.d.ts

/// <reference types="node" />
import { AnyJson, JsonMap, Optional } from '@salesforce/ts-types';
import * as fsLib from 'graceful-fs';
import * as mkdirpLib from 'mkdirp';
declare type PerformFunction = (filePath: string, file?: string, dir?: string) => Promise<void>;
declare type PerformFunctionSync = (filePath: string, file?: string, dir?: string) => void;
export declare type WriteJsonOptions = {
    /**
     * The number of indent spaces
     */
    space?: number;
};
/**
 * @deprecated Use fs/promises instead
 */
export declare const fs: typeof fsLib & {
    /**
     * The default file system mode to use when creating directories.
     */
    DEFAULT_USER_DIR_MODE: string;
    /**
     * The default file system mode to use when creating files.
     */
    DEFAULT_USER_FILE_MODE: string;
    /**
     * A convenience reference to {@link https://nodejs.org/api/fsLib.html#fs_fs_constants}
     * to reduce the need to import multiple `fs` modules.
     */
    constants: typeof fsLib.constants;
    /**
     * Promisified version of {@link https://nodejs.org/api/fsLib.html#fs_fs_readfile_path_options_callback|fsLib.readFile}.
     */
    readFile: typeof fsLib.readFile.__promisify__;
    /**
     * Promisified version of {@link https://nodejs.org/api/fsLib.html#fs_fs_readdir_path_options_callback|fsLib.readdir}.
     */
    readdir: typeof fsLib.readdir.__promisify__;
    /**
     * Promisified version of {@link https://nodejs.org/api/fsLib.html#fs_fs_writefile_file_data_options_callback|fsLib.writeFile}.
     */
    writeFile: typeof fsLib.writeFile.__promisify__;
    /**
     * Promisified version of {@link https://nodejs.org/api/fsLib.html#fs_fs_access_path_mode_callback|fsLib.access}.
     */
    access: typeof fsLib.access.__promisify__;
    /**
     * Promisified version of {@link https://nodejs.org/api/fsLib.html#fs_fs_open_path_flags_mode_callback|fsLib.open}.
     */
    open: typeof fsLib.open.__promisify__;
    /**
     * Promisified version of {@link https://nodejs.org/api/fsLib.html#fs_fs_unlink_path_callback|fsLib.unlink}.
     */
    unlink: typeof fsLib.unlink.__promisify__;
    /**
     * Promisified version of {@link https://nodejs.org/api/fsLib.html#fs_fs_readdir_path_options_callback|fsLib.rmdir}.
     */
    rmdir: typeof fsLib.rmdir.__promisify__;
    /**
     * Promisified version of {@link https://nodejs.org/api/fsLib.html#fs_fs_fstat_fd_callback|fsLib.stat}.
     */
    stat: typeof fsLib.stat.__promisify__;
    /**
     * Promisified version of {@link https://npmjs.com/package/mkdirp|mkdirp}.
     */
    mkdirp: (folderPath: string, mode?: string | object | undefined) => Promise<string | undefined>;
    mkdirpSync: typeof mkdirpLib.sync;
    /**
     * Deletes a folder recursively, removing all descending files and folders.
     *
     * **Throws** *PathIsNullOrUndefined* The path is not defined.
     * **Throws** *DirMissingOrNoAccess* The folder or any sub-folder is missing or has no access.
     *
     * @param {string} dirPath The path to remove.
     */
    remove: (dirPath: string) => Promise<void>;
    /**
     * Deletes a folder recursively, removing all descending files and folders.
     *
     * NOTE: It is recommended to call the asynchronous `remove` when possible as it will remove all files in parallel rather than serially.
     *
     * **Throws** *PathIsNullOrUndefined* The path is not defined.
     * **Throws** *DirMissingOrNoAccess* The folder or any sub-folder is missing or has no access.
     *
     * @param {string} dirPath The path to remove.
     */
    removeSync: (dirPath: string) => void;
    /**
     * Searches a file path in an ascending manner (until reaching the filesystem root) for the first occurrence a
     * specific file name.  Resolves with the directory path containing the located file, or `null` if the file was
     * not found.
     *
     * @param dir The directory path in which to start the upward search.
     * @param file The file name to look for.
     */
    traverseForFile: (dir: string, file: string) => Promise<Optional<string>>;
    /**
     * Searches a file path synchronously in an ascending manner (until reaching the filesystem root) for the first occurrence a
     * specific file name.  Resolves with the directory path containing the located file, or `null` if the file was
     * not found.
     *
     * @param dir The directory path in which to start the upward search.
     * @param file The file name to look for.
     */
    traverseForFileSync: (dir: string, file: string) => Optional<string>;
    /**
     * Read a file and convert it to JSON. Returns the contents of the file as a JSON object
     *
     * @param jsonPath The path of the file.
     * @param throwOnEmpty Whether to throw an error if the JSON file is empty.
     */
    readJson: (jsonPath: string, throwOnEmpty?: boolean | undefined) => Promise<AnyJson>;
    /**
     * Read a file and convert it to JSON. Returns the contents of the file as a JSON object
     *
     * @param jsonPath The path of the file.
     * @param throwOnEmpty Whether to throw an error if the JSON file is empty.
     */
    readJsonSync: (jsonPath: string, throwOnEmpty?: boolean | undefined) => AnyJson;
    /**
     * Read a file and convert it to JSON, throwing an error if the parsed contents are not a `JsonMap`.
     *
     * @param jsonPath The path of the file.
     * @param throwOnEmpty Whether to throw an error if the JSON file is empty.
     */
    readJsonMap: (jsonPath: string, throwOnEmpty?: boolean | undefined) => Promise<JsonMap>;
    /**
     * Read a file and convert it to JSON, throwing an error if the parsed contents are not a `JsonMap`.
     *
     * @param jsonPath The path of the file.
     * @param throwOnEmpty Whether to throw an error if the JSON file is empty.
     */
    readJsonMapSync: (jsonPath: string, throwOnEmpty?: boolean | undefined) => JsonMap;
    /**
     * Convert a JSON-compatible object to a `string` and write it to a file.
     *
     * @param jsonPath The path of the file to write.
     * @param data The JSON object to write.
     */
    writeJson: (jsonPath: string, data: AnyJson, options?: WriteJsonOptions) => Promise<void>;
    /**
     * Convert a JSON-compatible object to a `string` and write it to a file.
     *
     * @param jsonPath The path of the file to write.
     * @param data The JSON object to write.
     */
    writeJsonSync: (jsonPath: string, data: AnyJson, options?: WriteJsonOptions) => void;
    /**
     * Checks if a file path exists
     *
     * @param filePath the file path to check the existence of
     */
    fileExists: (filePath: string) => Promise<boolean>;
    /**
     * Checks if a file path exists
     *
     * @param filePath the file path to check the existence of
     */
    fileExistsSync: (filePath: string) => boolean;
    /**
     * Recursively act on all files or directories in a directory
     *
     * @param dir path to directory
     * @param perform function to be run on contents of dir
     * @param onType optional parameter to specify type to actOn
     * @returns void
     */
    actOn: (dir: string, perform: PerformFunction, onType?: 'file' | 'dir' | 'all') => Promise<void>;
    /**
     * Recursively act on all files or directories in a directory
     *
     * @param dir path to directory
     * @param perform function to be run on contents of dir
     * @param onType optional parameter to specify type to actOn
     * @returns void
     */
    actOnSync: (dir: string, perform: PerformFunctionSync, onType?: 'file' | 'dir' | 'all') => void;
    /**
     * Checks if files are the same
     *
     * @param file1Path the first file path to check
     * @param file2Path the second file path to check
     * @returns boolean
     */
    areFilesEqual: (file1Path: string, file2Path: string) => Promise<boolean>;
    /**
     * Checks if files are the same
     *
     * @param file1Path the first file path to check
     * @param file2Path the second file path to check
     * @returns boolean
     */
    areFilesEqualSync: (file1Path: string, file2Path: string) => boolean;
    /**
     * Creates a hash for the string that's passed in
     *
     * @param contents The string passed into the function
     * @returns string
     */
    getContentHash(contents: string | Buffer): string;
};
export {};