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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | 59x 59x 59x 59x 59x 59x 59x 118x 59x 59x 395x 15800x 18960x 395x 395x 395x 395x 395x 395x 395x 395x 395x 395x 395x 395x 395x 395x 395x 395x 59x 59x 272x 272x 272x 59x 59x | import Stats from './node/Stats';
import Dirent from './node/Dirent';
import { Volume, StatWatcher, FSWatcher, toUnixTimestamp, IWriteStream } from './node/volume';
import { DirectoryJSON, NestedDirectoryJSON } from './core';
import { constants } from './constants';
import type { FsPromisesApi } from './node/types';
import type * as misc from './node/types/misc';
import { fsSynchronousApiList } from './node/lists/fsSynchronousApiList';
import { fsCallbackApiList } from './node/lists/fsCallbackApiList';
const { F_OK, R_OK, W_OK, X_OK } = constants;
export { DirectoryJSON, NestedDirectoryJSON, Volume };
// Default volume.
export const vol = new Volume();
export interface IFs extends Volume {
constants: typeof constants;
Stats: new (...args) => Stats;
Dirent: new (...args) => Dirent;
StatWatcher: new () => StatWatcher;
FSWatcher: new () => FSWatcher;
ReadStream: new (...args) => misc.IReadStream;
WriteStream: new (...args) => IWriteStream;
promises: FsPromisesApi;
_toUnixTimestamp;
}
export function createFsFromVolume(vol: Volume): IFs {
const fs = { F_OK, R_OK, W_OK, X_OK, constants, Stats, Dirent } as any as IFs;
// Bind FS methods.
for (const method of fsSynchronousApiList) if (typeof vol[method] === 'function') fs[method] = vol[method].bind(vol);
for (const method of fsCallbackApiList) if (typeof vol[method] === 'function') fs[method] = vol[method].bind(vol);
fs.StatWatcher = vol.StatWatcher;
fs.FSWatcher = vol.FSWatcher;
fs.WriteStream = vol.WriteStream;
fs.ReadStream = vol.ReadStream;
fs.promises = vol.promises;
// Handle realpath and realpathSync with their .native properties
if (typeof vol.realpath === 'function') {
fs.realpath = vol.realpath.bind(vol);
if (typeof vol.realpath.native === 'function') {
fs.realpath.native = vol.realpath.native.bind(vol);
}
}
if (typeof vol.realpathSync === 'function') {
fs.realpathSync = vol.realpathSync.bind(vol);
if (typeof vol.realpathSync.native === 'function') {
fs.realpathSync.native = vol.realpathSync.native.bind(vol);
}
}
fs._toUnixTimestamp = toUnixTimestamp;
(fs as any).__vol = vol;
return fs;
}
export const fs: IFs = createFsFromVolume(vol);
/**
* Creates a new file system instance.
*
* @param json File system structure expressed as a JSON object.
* Use `null` for empty directories and empty string for empty files.
* @param cwd Current working directory. The JSON structure will be created
* relative to this path.
* @returns A `memfs` file system instance, which is a drop-in replacement for
* the `fs` module.
*/
export const memfs = (json: NestedDirectoryJSON = {}, cwd: string = '/'): { fs: IFs; vol: Volume } => {
const vol = Volume.fromNestedJSON(json, cwd);
const fs = createFsFromVolume(vol);
return { fs, vol };
};
export type IFsWithVolume = IFs & { __vol: Volume };
declare let module;
module.exports = { ...module.exports, ...fs };
module.exports.semantic = true;
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