Class AsyncKeyValueFileSystem

An "Asynchronous key-value file system". Stores data to/retrieves data from an underlying asynchronous key-value store.

Hierarchy

BaseFileSystem
- AsyncKeyValueFileSystem
  - IndexedDBFileSystem

Index

Properties

store

Methods

Properties

Protected store

store: AsyncKeyValueStore

Methods

_sync

_sync(p: string, data: Buffer, stats: Stats, cb: BFSOneArgCallback): void

- Defined in generic/key_value_filesystem.ts:943
Parameters
- p: string
- data: Buffer
- stats: Stats
- cb: BFSOneArgCallback
Returns void

appendFile

appendFile(fname: string, data: any, encoding: string | null, flag: FileFlag, mode: number, cb: BFSOneArgCallback): void

Inherited from BaseFileSystem.appendFile
- Defined in core/file_system.ts:727
Parameters
- fname: string
- data: any
- encoding: string | null
- flag: FileFlag
- mode: number
- cb: BFSOneArgCallback
Returns void

appendFileSync

appendFileSync(fname: string, data: any, encoding: string | null, flag: FileFlag, mode: number): void

Inherited from BaseFileSystem.appendFileSync
- Defined in core/file_system.ts:745
Parameters
- fname: string
- data: any
- encoding: string | null
- flag: FileFlag
- mode: number
Returns void

chmod

chmod(p: string, isLchmod: boolean, mode: number, cb: BFSOneArgCallback): void

Inherited from BaseFileSystem.chmod
- Defined in core/file_system.ts:756
Parameters
- p: string
- isLchmod: boolean
- mode: number
- cb: BFSOneArgCallback
Returns void

chmodSync

chmodSync(p: string, isLchmod: boolean, mode: number): void

Inherited from BaseFileSystem.chmodSync
- Defined in core/file_system.ts:759
Parameters
- p: string
- isLchmod: boolean
- mode: number
Returns void

chown

chown(p: string, isLchown: boolean, uid: number, gid: number, cb: BFSOneArgCallback): void

Inherited from BaseFileSystem.chown
- Defined in core/file_system.ts:762
Parameters
- p: string
- isLchown: boolean
- uid: number
- gid: number
- cb: BFSOneArgCallback
Returns void

chownSync

chownSync(p: string, isLchown: boolean, uid: number, gid: number): void

Inherited from BaseFileSystem.chownSync
- Defined in core/file_system.ts:765
Parameters
- p: string
- isLchown: boolean
- uid: number
- gid: number
Returns void

createFile

createFile(p: string, flag: FileFlag, mode: number, cb: BFSCallback<File>): void

Overrides BaseFileSystem.createFile
- Defined in generic/key_value_filesystem.ts:877
Parameters
- p: string
- flag: FileFlag
- mode: number
- cb: BFSCallback<File>
Returns void

createFileSync

createFileSync(p: string, flag: FileFlag, mode: number): File

Inherited from BaseFileSystem.createFileSync
- Defined in core/file_system.ts:488
Create the file at path p with the given mode. Then, open it with the given flag.

Parameters
- p: string
- flag: FileFlag
- mode: number
Returns File

diskSpace

diskSpace(p: string, cb: function): void

Inherited from BaseFileSystem.diskSpace
- Defined in core/file_system.ts:389
Parameters
- p: string
- cb: function
  - - (total: number, free: number): any
    - Parameters
      - total: number
      - free: number
      Returns any
Returns void

empty

empty(cb: BFSOneArgCallback): void

- Defined in generic/key_value_filesystem.ts:741
Delete all contents stored in the file system.

Parameters
- cb: BFSOneArgCallback
Returns void

exists

exists(p: string, cb: function): void

Inherited from BaseFileSystem.exists
- Defined in core/file_system.ts:558
Parameters
- p: string
- cb: function
  - - (exists: boolean): void
    - Parameters
      - exists: boolean
      Returns void
Returns void

existsSync

existsSync(p: string): boolean

Inherited from BaseFileSystem.existsSync
- Defined in core/file_system.ts:563
Parameters
- p: string
Returns boolean

getName

getName(): string

- Defined in generic/key_value_filesystem.ts:732
Returns string

init

init(store: AsyncKeyValueStore, cb: BFSOneArgCallback): void

- Defined in generic/key_value_filesystem.ts:727
Initializes the file system. Typically called by subclasses' async constructors.

Parameters
- store: AsyncKeyValueStore
- cb: BFSOneArgCallback
Returns void

isReadOnly

isReadOnly(): boolean

- Defined in generic/key_value_filesystem.ts:733
Returns boolean

link

link(srcpath: string, dstpath: string, cb: BFSOneArgCallback): void

Inherited from BaseFileSystem.link
- Defined in core/file_system.ts:774
Parameters
- srcpath: string
- dstpath: string
- cb: BFSOneArgCallback
Returns void

linkSync

linkSync(srcpath: string, dstpath: string): void

Inherited from BaseFileSystem.linkSync
- Defined in core/file_system.ts:777
Parameters
- srcpath: string
- dstpath: string
Returns void

mkdir

mkdir(p: string, mode: number, cb: BFSOneArgCallback): void

Overrides BaseFileSystem.mkdir
- Defined in generic/key_value_filesystem.ts:924
Parameters
- p: string
- mode: number
- cb: BFSOneArgCallback
Returns void

mkdirSync

mkdirSync(p: string, mode: number): void

Inherited from BaseFileSystem.mkdirSync
- Defined in core/file_system.ts:549
Parameters
- p: string
- mode: number
Returns void

open

open(p: string, flag: FileFlag, mode: number, cb: BFSCallback<File>): void

Inherited from BaseFileSystem.open
- Defined in core/file_system.ts:407
Parameters
- p: string
- flag: FileFlag
- mode: number
- cb: BFSCallback<File>
Returns void

openFile

openFile(p: string, flag: FileFlag, cb: BFSCallback<File>): void

Overrides BaseFileSystem.openFile
- Defined in generic/key_value_filesystem.ts:888
Parameters
- p: string
- flag: FileFlag
- cb: BFSCallback<File>
Returns void

openFileSync

openFileSync(p: string, flag: FileFlag, mode: number): File

Inherited from BaseFileSystem.openFileSync
- Defined in core/file_system.ts:481
Opens the file at path p with the given flag. The file must exist.

Parameters
- p: string
  
  The path to open.
- flag: FileFlag
  
  The flag to use when opening the file.
- mode: number
Returns File

A File object corresponding to the opened file.

openSync

openSync(p: string, flag: FileFlag, mode: number): File

Inherited from BaseFileSystem.openSync
- Defined in core/file_system.ts:491
Parameters
- p: string
- flag: FileFlag
- mode: number
Returns File

readFile

readFile(fname: string, encoding: string | null, flag: FileFlag, cb: BFSCallback<string | Buffer>): void

Inherited from BaseFileSystem.readFile
- Defined in core/file_system.ts:635
Parameters
- fname: string
- encoding: string | null
- flag: FileFlag
- cb: BFSCallback<string | Buffer>
Returns void

readFileSync

readFileSync(fname: string, encoding: string | null, flag: FileFlag): any

Inherited from BaseFileSystem.readFileSync
- Defined in core/file_system.ts:672
Parameters
- fname: string
- encoding: string | null
- flag: FileFlag
Returns any

readdir

readdir(p: string, cb: BFSCallback<string[]>): void

Overrides BaseFileSystem.readdir
- Defined in generic/key_value_filesystem.ts:930
Parameters
- p: string
- cb: BFSCallback<string[]>
Returns void

readdirSync

readdirSync(p: string): string[]

Inherited from BaseFileSystem.readdirSync
- Defined in core/file_system.ts:555
Parameters
- p: string
Returns string[]

readlink

readlink(p: string, cb: BFSOneArgCallback): void

Inherited from BaseFileSystem.readlink
- Defined in core/file_system.ts:786
Parameters
- p: string
- cb: BFSOneArgCallback
Returns void

readlinkSync

readlinkSync(p: string): string

Inherited from BaseFileSystem.readlinkSync
- Defined in core/file_system.ts:789
Parameters
- p: string
Returns string

realpath

realpath(p: string, cache: object, cb: BFSCallback<string>): void

Inherited from BaseFileSystem.realpath
- Defined in core/file_system.ts:571
Parameters
- p: string
- cache: object
  - [path: string]: string
- cb: BFSCallback<string>
Returns void

realpathSync

realpathSync(p: string, cache: object): string

Inherited from BaseFileSystem.realpathSync
- Defined in core/file_system.ts:592
Parameters
- p: string
- cache: object
  - [path: string]: string
Returns string

rename

rename(oldPath: string, newPath: string, cb: BFSOneArgCallback): void

Overrides BaseFileSystem.rename
- Defined in generic/key_value_filesystem.ts:750
Parameters
- oldPath: string
- newPath: string
- cb: BFSOneArgCallback
Returns void

renameSync

renameSync(oldPath: string, newPath: string): void

Inherited from BaseFileSystem.renameSync
- Defined in core/file_system.ts:466
Parameters
- oldPath: string
- newPath: string
Returns void

rmdir

rmdir(p: string, cb: BFSOneArgCallback): void

Overrides BaseFileSystem.rmdir
- Defined in generic/key_value_filesystem.ts:911
Parameters
- p: string
- cb: BFSOneArgCallback
Returns void

rmdirSync

rmdirSync(p: string): void

Inherited from BaseFileSystem.rmdirSync
- Defined in core/file_system.ts:543
Parameters
- p: string
Returns void

stat

stat(p: string, isLstat: boolean, cb: BFSCallback<Stats>): void

Overrides BaseFileSystem.stat
- Defined in generic/key_value_filesystem.ts:868
Parameters
- p: string
- isLstat: boolean
- cb: BFSCallback<Stats>
Returns void

statSync

statSync(p: string, isLstat: boolean | null): Stats

Inherited from BaseFileSystem.statSync
- Defined in core/file_system.ts:472
Parameters
- p: string
- isLstat: boolean | null
Returns Stats

supportsLinks

supportsLinks(): boolean

Inherited from BaseFileSystem.supportsLinks
- Defined in core/file_system.ts:386
Returns boolean

supportsProps

supportsProps(): boolean

- Defined in generic/key_value_filesystem.ts:735
Returns boolean

supportsSymlinks

supportsSymlinks(): boolean

- Defined in generic/key_value_filesystem.ts:734
Returns boolean

supportsSynch

supportsSynch(): boolean

- Defined in generic/key_value_filesystem.ts:736
Returns boolean

symlink

symlink(srcpath: string, dstpath: string, type: string, cb: BFSOneArgCallback): void

Inherited from BaseFileSystem.symlink
- Defined in core/file_system.ts:780
Parameters
- srcpath: string
- dstpath: string
- type: string
- cb: BFSOneArgCallback
Returns void

symlinkSync

symlinkSync(srcpath: string, dstpath: string, type: string): void

Inherited from BaseFileSystem.symlinkSync
- Defined in core/file_system.ts:783
Parameters
- srcpath: string
- dstpath: string
- type: string
Returns void

truncate

truncate(p: string, len: number, cb: BFSOneArgCallback): void

Inherited from BaseFileSystem.truncate
- Defined in core/file_system.ts:612
Parameters
- p: string
- len: number
- cb: BFSOneArgCallback
Returns void

truncateSync

truncateSync(p: string, len: number): void

Inherited from BaseFileSystem.truncateSync
- Defined in core/file_system.ts:624
Parameters
- p: string
- len: number
Returns void

unlink

unlink(p: string, cb: BFSOneArgCallback): void

Overrides BaseFileSystem.unlink
- Defined in generic/key_value_filesystem.ts:907
Parameters
- p: string
- cb: BFSOneArgCallback
Returns void

unlinkSync

unlinkSync(p: string): void

Inherited from BaseFileSystem.unlinkSync
- Defined in core/file_system.ts:537
Parameters
- p: string
Returns void

utimes

utimes(p: string, atime: Date, mtime: Date, cb: BFSOneArgCallback): void

Inherited from BaseFileSystem.utimes
- Defined in core/file_system.ts:768
Parameters
- p: string
- atime: Date
- mtime: Date
- cb: BFSOneArgCallback
Returns void

utimesSync

utimesSync(p: string, atime: Date, mtime: Date): void

Inherited from BaseFileSystem.utimesSync
- Defined in core/file_system.ts:771
Parameters
- p: string
- atime: Date
- mtime: Date
Returns void

writeFile

writeFile(fname: string, data: any, encoding: string | null, flag: FileFlag, mode: number, cb: BFSOneArgCallback): void

Inherited from BaseFileSystem.writeFile
- Defined in core/file_system.ts:689
Parameters
- fname: string
- data: any
- encoding: string | null
- flag: FileFlag
- mode: number
- cb: BFSOneArgCallback
Returns void

writeFileSync

writeFileSync(fname: string, data: any, encoding: string | null, flag: FileFlag, mode: number): void

Inherited from BaseFileSystem.writeFileSync
- Defined in core/file_system.ts:714
Parameters
- fname: string
- data: any
- encoding: string | null
- flag: FileFlag
- mode: number
Returns void

Static isAvailable

isAvailable(): boolean

- Defined in generic/key_value_filesystem.ts:719
Returns boolean

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