Class Io

Utility methods related with input/output operations on files.

Constructors

constructor

new Io(): Io
Returns Io

Methods

`Static`appendFile

appendFile(path: string | File, content: any): void
Parameters
- path: string | File
  The path of the file to append
- content: any
  The content to append
Returns void
true if the content was appended successfully
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:466

`Static`copyFile

copyFile(filepath: string | File, destination: string | File): boolean
Parameters
- filepath: string | File
  path to the file to be copied
- destination: string | File
  path to the destination file
Returns boolean
true if the file was copied successfully
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:368

`Static`copyFolder

copyFolder(
    filepath: string | File,
    destination: string,
    verbose?: boolean,
): boolean
Parameters
- filepath: string | File
  path to the file to be copied
- destination: string
  path to the destination file
- verbose: boolean = false
  enables additional information
Returns boolean
true if the folder was copied successfully
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:393

`Static`deleteFile

deleteFile(
fileOrBaseFolder: string | File,
optionalFile?: string | File,
): boolean
Parameters
- fileOrBaseFolder: string | File
  File object or path to the base folder
- OptionaloptionalFile: string | File
  Optional child pathname or file
Returns boolean
if the delete operation on the given file was successfull.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:282

`Static`deleteFiles

deleteFiles(...args: any): void
Parameters
- ...args: any
  Each argument is a file that will be deleted.
Returns void
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:293

`Static`deleteFolder

deleteFolder(folderPath: string | File): boolean
Deletes a folder and its contents.
Parameters
- folderPath: string | File
  File object or path to the folder
Returns boolean
true if both the contents and the folder could be deleted
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:306

`Static`deleteFolderContents

deleteFolderContents(folderPath: string | File): boolean
Deletes the contents of a folder.
Parameters
- folderPath: string | File
  File object or path to the folder
Returns boolean
true if the content of the folder could be deleted
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:318

`Static`getAbsolutePath

getAbsolutePath(
fileOrBaseFolder: string | File,
optionalFile?: string | File,
): string
Parameters
- fileOrBaseFolder: string | File
  File object or path to the base folder
- OptionaloptionalFile: string | File
  Optional child pathname or file
Returns string
the absolute path of the given file
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:127

`Static`getExtension

getExtension(path: string | File): string
Parameters
- path: string | File
  base path
Returns string
the extension of the given path.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:428

`Static`getFiles

getFiles(
    baseFolder?: string | File,
    pattern?: string | any[],
    isRecursive?: boolean,
): File[]
The files inside the given folder that respects the given pattern.
Parameters
- baseFolder: string | File = "./"
  File object or path to the base folder
- pattern: string | any[] = "*"
  Pattern to match
- isRecursive: boolean = false
  If true, search recursively inside the folder
Returns File[]
the files inside the given folder that respects the given pattern.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:234

`Static`getFolders

getFolders(baseFolder: string | File, ...args: string[]): File[]
Parameters
- baseFolder: string | File
  File object or path to the base folder
- ...args: string[]
  Patterns to match
Returns File[]
the folders in the given folder, corresponding to the given base folder and argument patterns.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:211

`Static`getPath

getPath(fileOrBaseFolder: string | File, optionalFile?: string | File): File
Parameters
- fileOrBaseFolder: string | File
  File object or path to the base folder
- OptionaloptionalFile: string | File
  Optional child pathname or file, if absolute ignores fileorBaseFolder
Returns File
new File object with path given
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:105

`Static`getPaths

getPaths(baseFolder: string | File, ...args: string[]): File[]
Parameters
- baseFolder: string | File
  File object or path to the base folder
- ...args: string[]
  Patterns to match
Returns File[]
the paths (files and folders) in the given folder, corresponding to the given base folder and argument patterns.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:176

`Static`getPathSeparator

getPathSeparator(): string
Returns string
the system-dependent path-separator (e.g., : or ;).
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:497

`Static`getRelativePath

getRelativePath(
targetFile: string | File,
baseFile: string | File,
): string | undefined
Parameters
- targetFile: string | File
  The target file for which the relative path is calculated.
- baseFile: string | File
  The base file against which the relative path is calculated
Returns string | undefined
the path of 'targetFile', relative to 'baseFile' or undefined if the file does not share a common ancestor with baseFile.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:478

`Static`getSeparator

getSeparator(): string
Returns string
system-dependent name-separator (e.g., / or ).
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:504

`Static`getTempFolder

getTempFolder(folderName?: string): File
If folderName is undefined, returns the OS temporary folder. If defined, creates a new folder inside the system's temporary folder and returns it.
Parameters
- OptionalfolderName: string
  Optional name for the temporaray folder
Returns File
the OS temporary folder or the created folder
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:83

`Static`getWorkingFolder

getWorkingFolder(): File
Returns File
the current working directory as a File object.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:512

`Static`isFile

isFile(path: string | File): boolean
Parameters
- path: string | File
Returns boolean
true if and only if the file denoted by this abstract pathname exists and is a normal file; false otherwise
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:329

`Static`isFolder

isFolder(path: string | File): boolean
Parameters
- path: string | File
Returns boolean
true if and only if the file denoted by this abstract pathname exists and is a folder; false otherwise
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:342

`Static`isJavaFile

isJavaFile<T>(object: T): boolean
Type Parameters
- T
Parameters
- object: T
  object to check
Returns boolean
true if the given object is a Java file, false otherwise.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:15

`Static`jsonObject

jsonObject<T>(value: T): string | T
If value is a string that ends in .json, assume it is a file to a json object and parses it. If it is a string but does not end in json, assume it is a stringified object. Otherwise, returns the object as it is.
Type Parameters
- T
Parameters
- value: T
Returns string | T
Deprecated
Use JSON.parse() instead or fileToJSON from api/core/output.js
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:523

`Static`mkdir

mkdir(fileOrBaseFolder: string | File, optionalFile?: string | File): File
Creates a folder.
Parameters
- fileOrBaseFolder: string | File
  File object or path to the base folder
- OptionaloptionalFile: string | File
  Optional child pathname or file, if absolute ignores fileorBaseFolder
Returns File
the created folder
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:66

`Static`newRandomFolder

newRandomFolder(): File
Creates a randomly named folder in the OS temporary folder that is deleted when the virtual machine exits.

Returns File
the created temporary folder
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:94

`Static`readFile

readFile(path: string | File): string
Parameters
- path: string | File
  The path of the file to read.
Returns string
The contents of the file.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:452

`Static`readJson

readJson(path: string): any
Parameters
- path: string
Returns any
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:349

`Static`readLines

readLines(
fileOrBaseFolder: string | File,
optionalFile?: string | File,
): string[]
Parameters
- fileOrBaseFolder: string | File
  File object or path to the base folder
- OptionaloptionalFile: string | File
  Optional child pathname or file
Returns string[]
a List with a string for each line of the given file
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:267

`Static`removeExtension

removeExtension(path: string | File): string
Parameters
- path: string | File
  base path
Returns string
the given path, without extension.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:417

`Static`writeFile

writeFile(path: string | File, content: string): File
Parameters
- path: string | File
  The path of the file to write.
- content: string
  The contents to write.
Returns File
The file to where the contents where written.
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:438

`Static`writeJson

writeJson<T>(path: string, object: T): void
Type Parameters
- T
Parameters
- path: string
- object: T
Returns void
Deprecated
Use JSONtoFile from api/core/output.js instead
- Defined in lara-framework/Lara-JS/src-api/lara/Io.ts:356

Class Io

Index

Constructors

Methods

Constructors

constructor

Returns Io

Methods

StaticappendFile

Parameters

Returns void

StaticcopyFile

Parameters

Returns boolean

StaticcopyFolder

Parameters

Returns boolean

StaticdeleteFile

Parameters

Returns boolean

StaticdeleteFiles

Parameters

Returns void

StaticdeleteFolder

Parameters

Returns boolean

StaticdeleteFolderContents

Parameters

Returns boolean

StaticgetAbsolutePath

Parameters

Returns string

StaticgetExtension

Parameters

Returns string

StaticgetFiles

Parameters

Returns File[]

StaticgetFolders

Parameters

Returns File[]

StaticgetPath

Parameters

Returns File

StaticgetPaths

Parameters

Returns File[]

StaticgetPathSeparator

Returns string

StaticgetRelativePath

Parameters

Returns string | undefined

StaticgetSeparator

Returns string

StaticgetTempFolder

Parameters

Returns File

StaticgetWorkingFolder

Returns File

StaticisFile

Parameters

Returns boolean

StaticisFolder

Parameters

Returns boolean

StaticisJavaFile

Type Parameters

Parameters

Returns boolean

StaticjsonObject

Type Parameters

Parameters

Returns string | T

Deprecated

Staticmkdir

Parameters

Returns File

StaticnewRandomFolder

Returns File

StaticreadFile

`Static`appendFile

`Static`copyFile

`Static`copyFolder

`Static`deleteFile

`Static`deleteFiles

`Static`deleteFolder

`Static`deleteFolderContents

`Static`getAbsolutePath

`Static`getExtension

`Static`getFiles

`Static`getFolders

`Static`getPath

`Static`getPaths

`Static`getPathSeparator

`Static`getRelativePath

`Static`getSeparator

`Static`getTempFolder

`Static`getWorkingFolder

`Static`isFile

`Static`isFolder

`Static`isJavaFile

`Static`jsonObject

`Static`mkdir

`Static`newRandomFolder

`Static`readFile

`Static`readJson

`Static`readLines

`Static`removeExtension

`Static`writeFile

`Static`writeJson