Way data is stored for this database For a Node.js/Node Webkit database it's the file system For a browser-side database it's localforage which chooses the best option depending on user browser (IndexedDB then WebSQL then localStorage)
This version is the browser version
* [storageBrowser](#module_storageBrowser) * _static_ * [.existsAsync(file)](#module_storageBrowser.existsAsync) ⇒Promise.<boolean>
* [.exists(file, cb)](#module_storageBrowser.exists)
* [.renameAsync(oldPath, newPath)](#module_storageBrowser.renameAsync) ⇒ Promise.<void>
* [.rename(oldPath, newPath, c)](#module_storageBrowser.rename) ⇒ void
* [.writeFileAsync(file, data, [options])](#module_storageBrowser.writeFileAsync) ⇒ Promise.<void>
* [.writeFile(path, data, options, callback)](#module_storageBrowser.writeFile)
* [.appendFileAsync(filename, toAppend, [options])](#module_storageBrowser.appendFileAsync) ⇒ Promise.<void>
* [.appendFile(filename, toAppend, [options], callback)](#module_storageBrowser.appendFile)
* [.readFileAsync(filename, [options])](#module_storageBrowser.readFileAsync) ⇒ Promise.<Buffer>
* [.readFile(filename, options, callback)](#module_storageBrowser.readFile)
* [.unlinkAsync(filename)](#module_storageBrowser.unlinkAsync) ⇒ Promise.<void>
* [.unlink(path, callback)](#module_storageBrowser.unlink)
* [.mkdirAsync(path, [options])](#module_storageBrowser.mkdirAsync) ⇒ Promise.<(void\|string)>
* [.mkdir(path, options, callback)](#module_storageBrowser.mkdir)
* [.ensureDatafileIntegrityAsync(filename)](#module_storageBrowser.ensureDatafileIntegrityAsync) ⇒ Promise.<void>
* [.ensureDatafileIntegrity(filename, callback)](#module_storageBrowser.ensureDatafileIntegrity)
* [.crashSafeWriteFileLinesAsync(filename, lines)](#module_storageBrowser.crashSafeWriteFileLinesAsync) ⇒ Promise.<void>
* [.crashSafeWriteFileLines(filename, lines, [callback])](#module_storageBrowser.crashSafeWriteFileLines)
* _inner_
* [~existsCallback](#module_storageBrowser..existsCallback) : function
### storageBrowser.existsAsync(file) ⇒ Promise.<boolean>
Returns Promise
storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| file | string |
### storageBrowser.exists(file, cb)
Callback returns true if file exists
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| file | string |
| cb | [existsCallback](#module_storageBrowser..existsCallback) |
### storageBrowser.renameAsync(oldPath, newPath) ⇒ Promise.<void>
Moves the item from one path to another
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| oldPath | string |
| newPath | string |
### storageBrowser.rename(oldPath, newPath, c) ⇒ void
Moves the item from one path to another
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| oldPath | string |
| newPath | string |
| c | [NoParamCallback](#NoParamCallback) |
### storageBrowser.writeFileAsync(file, data, [options]) ⇒ Promise.<void>
Saves the item at given path
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| file | string |
| data | string |
| [options] | object |
### storageBrowser.writeFile(path, data, options, callback)
Saves the item at given path
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| path | string |
| data | string |
| options | object |
| callback | function |
### storageBrowser.appendFileAsync(filename, toAppend, [options]) ⇒ Promise.<void>
Append to the item at given path
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| filename | string |
| toAppend | string |
| [options] | object |
### storageBrowser.appendFile(filename, toAppend, [options], callback)
Append to the item at given path
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| filename | string |
| toAppend | string |
| [options] | object |
| callback | function |
### storageBrowser.readFileAsync(filename, [options]) ⇒ Promise.<Buffer>
Read data at given path
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| filename | string |
| [options] | object |
### storageBrowser.readFile(filename, options, callback)
Read data at given path
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| filename | string |
| options | object |
| callback | function |
### storageBrowser.unlinkAsync(filename) ⇒ Promise.<void>
Remove the data at given path
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| filename | string |
### storageBrowser.unlink(path, callback)
Remove the data at given path
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| path | string |
| callback | function |
### storageBrowser.mkdirAsync(path, [options]) ⇒ Promise.<(void\|string)>
Shim for storage.mkdirAsync, nothing to do, no directories will be used on the browser
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| path | string |
| [options] | object |
### storageBrowser.mkdir(path, options, callback)
Shim for storage.mkdir, nothing to do, no directories will be used on the browser
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| path | string |
| options | object |
| callback | function |
### storageBrowser.ensureDatafileIntegrityAsync(filename) ⇒ Promise.<void>
Ensure the datafile contains all the data, even if there was a crash during a full file write Nothing to do, no data corruption possible in the browser
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| filename | string |
### storageBrowser.ensureDatafileIntegrity(filename, callback)
Ensure the datafile contains all the data, even if there was a crash during a full file write Nothing to do, no data corruption possible in the browser
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type | Description |
| --- | --- | --- |
| filename | string | |
| callback | [NoParamCallback](#NoParamCallback) | signature: err
| ### storageBrowser.crashSafeWriteFileLinesAsync(filename, lines) ⇒Promise.<void>
Fully write or rewrite the datafile, immune to crashes during the write operation (data will not be lost)
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| filename | string |
| lines | Array.<string> |
### storageBrowser.crashSafeWriteFileLines(filename, lines, [callback])
Fully write or rewrite the datafile, immune to crashes during the write operation (data will not be lost)
**Kind**: static method of [storageBrowser](#module_storageBrowser)
| Param | Type | Description |
| --- | --- | --- |
| filename | string | |
| lines | Array.<string> | |
| [callback] | [NoParamCallback](#NoParamCallback) | Optional callback, signature: err
| ### storageBrowser~existsCallback :function
**Kind**: inner typedef of [storageBrowser](#module_storageBrowser)
| Param | Type |
| --- | --- |
| exists | boolean |