2025-04-19 23:12:19 -04:00

299 lines
13 KiB
TypeScript

/**
* Error to represent when a method is missing on an impl.
*/
export class NoSuchMethodError extends Error {
/**
* Creates a new instance.
* @param {string} methodName The name of the method that was missing.
*/
constructor(methodName: string);
}
/**
* Error to represent when a method is not supported on an impl. This happens
* when a method on `Hfs` is called with one name and the corresponding method
* on the impl has a different name. (Example: `text()` and `bytes()`.)
*/
export class MethodNotSupportedError extends Error {
/**
* Creates a new instance.
* @param {string} methodName The name of the method that was missing.
*/
constructor(methodName: string);
}
/**
* Error to represent when an impl is already set.
*/
export class ImplAlreadySetError extends Error {
/**
* Creates a new instance.
*/
constructor();
}
/**
* A class representing a log entry.
*/
export class LogEntry {
/**
* Creates a new instance.
* @param {string} type The type of log entry.
* @param {any} [data] The data associated with the log entry.
*/
constructor(type: string, data?: any);
/**
* The type of log entry.
* @type {string}
*/
type: string;
/**
* The data associated with the log entry.
* @type {any}
*/
data: any;
/**
* The time at which the log entry was created.
* @type {number}
*/
timestamp: number;
}
/**
* A class representing a file system utility library.
* @implements {HfsImpl}
*/
export class Hfs implements HfsImpl {
/**
* Creates a new instance.
* @param {object} options The options for the instance.
* @param {HfsImpl} options.impl The implementation to use.
*/
constructor({ impl }: { impl: HfsImpl });
/**
* Starts a new log with the given name.
* @param {string} name The name of the log to start;
* @returns {void}
* @throws {Error} When the log already exists.
* @throws {TypeError} When the name is not a non-empty string.
*/
logStart(name: string): void;
/**
* Ends a log with the given name and returns the entries.
* @param {string} name The name of the log to end.
* @returns {Array<LogEntry>} The entries in the log.
* @throws {Error} When the log does not exist.
*/
logEnd(name: string): Array<LogEntry>;
/**
* Determines if the current implementation is the base implementation.
* @returns {boolean} True if the current implementation is the base implementation.
*/
isBaseImpl(): boolean;
/**
* Sets the implementation for this instance.
* @param {object} impl The implementation to use.
* @returns {void}
*/
setImpl(impl: object): void;
/**
* Resets the implementation for this instance back to its original.
* @returns {void}
*/
resetImpl(): void;
/**
* Reads the given file and returns the contents as text. Assumes UTF-8 encoding.
* @param {string|URL} filePath The file to read.
* @returns {Promise<string|undefined>} The contents of the file.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {TypeError} When the file path is not a non-empty string.
*/
text(filePath: string | URL): Promise<string | undefined>;
/**
* Reads the given file and returns the contents as JSON. Assumes UTF-8 encoding.
* @param {string|URL} filePath The file to read.
* @returns {Promise<any|undefined>} The contents of the file as JSON.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {SyntaxError} When the file contents are not valid JSON.
* @throws {TypeError} When the file path is not a non-empty string.
*/
json(filePath: string | URL): Promise<any | undefined>;
/**
* Reads the given file and returns the contents as an ArrayBuffer.
* @param {string|URL} filePath The file to read.
* @returns {Promise<ArrayBuffer|undefined>} The contents of the file as an ArrayBuffer.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {TypeError} When the file path is not a non-empty string.
* @deprecated Use bytes() instead.
*/
arrayBuffer(filePath: string | URL): Promise<ArrayBuffer | undefined>;
/**
* Reads the given file and returns the contents as an Uint8Array.
* @param {string|URL} filePath The file to read.
* @returns {Promise<Uint8Array|undefined>} The contents of the file as an Uint8Array.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {TypeError} When the file path is not a non-empty string.
*/
bytes(filePath: string | URL): Promise<Uint8Array | undefined>;
/**
* Writes the given data to the given file. Creates any necessary directories along the way.
* If the data is a string, UTF-8 encoding is used.
* @param {string|URL} filePath The file to write.
* @param {string|ArrayBuffer|ArrayBufferView} contents The data to write.
* @returns {Promise<void>} A promise that resolves when the file is written.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {TypeError} When the file path is not a non-empty string.
*/
write(
filePath: string | URL,
contents: string | ArrayBuffer | ArrayBufferView
): Promise<void>;
/**
* Appends the given data to the given file. Creates any necessary directories along the way.
* If the data is a string, UTF-8 encoding is used.
* @param {string|URL} filePath The file to append to.
* @param {string|ArrayBuffer|ArrayBufferView} contents The data to append.
* @returns {Promise<void>} A promise that resolves when the file is appended to.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {TypeError} When the file path is not a non-empty string.
* @throws {TypeError} When the file contents are not a string or ArrayBuffer.
* @throws {Error} When the file cannot be appended to.
*/
append(
filePath: string | URL,
contents: string | ArrayBuffer | ArrayBufferView
): Promise<void>;
/**
* Determines if the given file exists.
* @param {string|URL} filePath The file to check.
* @returns {Promise<boolean>} True if the file exists.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {TypeError} When the file path is not a non-empty string.
*/
isFile(filePath: string | URL): Promise<boolean>;
/**
* Determines if the given directory exists.
* @param {string|URL} dirPath The directory to check.
* @returns {Promise<boolean>} True if the directory exists.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {TypeError} When the directory path is not a non-empty string.
*/
isDirectory(dirPath: string | URL): Promise<boolean>;
/**
* Creates the given directory.
* @param {string|URL} dirPath The directory to create.
* @returns {Promise<void>} A promise that resolves when the directory is created.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {TypeError} When the directory path is not a non-empty string.
*/
createDirectory(dirPath: string | URL): Promise<void>;
/**
* Deletes the given file or empty directory.
* @param {string|URL} filePath The file to delete.
* @returns {Promise<boolean>} A promise that resolves when the file or
* directory is deleted, true if the file or directory is deleted, false
* if the file or directory does not exist.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {TypeError} When the file path is not a non-empty string.
*/
delete(filePath: string | URL): Promise<boolean>;
/**
* Deletes the given file or directory recursively.
* @param {string|URL} dirPath The directory to delete.
* @returns {Promise<boolean>} A promise that resolves when the file or
* directory is deleted, true if the file or directory is deleted, false
* if the file or directory does not exist.
* @throws {NoSuchMethodError} When the method does not exist on the current implementation.
* @throws {TypeError} When the directory path is not a non-empty string.
*/
deleteAll(dirPath: string | URL): Promise<boolean>;
/**
* Returns a list of directory entries for the given path.
* @param {string|URL} dirPath The path to the directory to read.
* @returns {AsyncIterable<HfsDirectoryEntry>} A promise that resolves with the
* directory entries.
* @throws {TypeError} If the directory path is not a string or URL.
* @throws {Error} If the directory cannot be read.
*/
list(dirPath: string | URL): AsyncIterable<HfsDirectoryEntry>;
/**
* Walks a directory using a depth-first traversal and returns the entries
* from the traversal.
* @param {string|URL} dirPath The path to the directory to walk.
* @param {Object} [options] The options for the walk.
* @param {(entry:HfsWalkEntry) => Promise<boolean>|boolean} [options.directoryFilter] A filter function to determine
* if a directory's entries should be included in the walk.
* @param {(entry:HfsWalkEntry) => Promise<boolean>|boolean} [options.entryFilter] A filter function to determine if
* an entry should be included in the walk.
* @returns {AsyncIterable<HfsWalkEntry>} A promise that resolves with the
* directory entries.
* @throws {TypeError} If the directory path is not a string or URL.
* @throws {Error} If the directory cannot be read.
*/
walk(
dirPath: string | URL,
{
directoryFilter,
entryFilter,
}?: {
directoryFilter?: (entry: HfsWalkEntry) => Promise<boolean> | boolean;
entryFilter?: (entry: HfsWalkEntry) => Promise<boolean> | boolean;
}
): AsyncIterable<HfsWalkEntry>;
/**
* Returns the size of the given file.
* @param {string|URL} filePath The path to the file to read.
* @returns {Promise<number>} A promise that resolves with the size of the file.
* @throws {TypeError} If the file path is not a string or URL.
* @throws {Error} If the file cannot be read.
*/
size(filePath: string | URL): Promise<number>;
/**
* Returns the last modified timestamp of the given file or directory.
* @param {string|URL} fileOrDirPath The path to the file or directory.
* @returns {Promise<Date|undefined>} A promise that resolves with the last modified date
* or undefined if the file or directory does not exist.
* @throws {TypeError} If the path is not a string or URL.
*/
lastModified(fileOrDirPath: string | URL): Promise<Date | undefined>;
/**
* Copys a file from one location to another.
* @param {string|URL} source The path to the file to copy.
* @param {string|URL} destination The path to the new file.
* @returns {Promise<void>} A promise that resolves when the file is copied.
* @throws {TypeError} If the file path is not a string or URL.
* @throws {Error} If the file cannot be copied.
*/
copy(source: string | URL, destination: string | URL): Promise<void>;
/**
* Copies a file or directory from one location to another.
* @param {string|URL} source The path to the file or directory to copy.
* @param {string|URL} destination The path to copy the file or directory to.
* @returns {Promise<void>} A promise that resolves when the file or directory is
* copied.
* @throws {TypeError} If the directory path is not a string or URL.
* @throws {Error} If the directory cannot be copied.
*/
copyAll(source: string | URL, destination: string | URL): Promise<void>;
/**
* Moves a file from the source path to the destination path.
* @param {string|URL} source The location of the file to move.
* @param {string|URL} destination The destination of the file to move.
* @returns {Promise<void>} A promise that resolves when the move is complete.
* @throws {TypeError} If the file or directory paths are not strings.
* @throws {Error} If the file or directory cannot be moved.
*/
move(source: string | URL, destination: string | URL): Promise<void>;
/**
* Moves a file or directory from one location to another.
* @param {string|URL} source The path to the file or directory to move.
* @param {string|URL} destination The path to move the file or directory to.
* @returns {Promise<void>} A promise that resolves when the file or directory is
* moved.
* @throws {TypeError} If the source is not a string or URL.
* @throws {TypeError} If the destination is not a string or URL.
* @throws {Error} If the file or directory cannot be moved.
*/
moveAll(source: string | URL, destination: string | URL): Promise<void>;
#private;
}
export type HfsImpl = import('@humanfs/types').HfsImpl;
export type HfsDirectoryEntry = import('@humanfs/types').HfsDirectoryEntry;
export type HfsWalkEntry = import('@humanfs/types').HfsWalkEntry;