smartfile/ts/smartfile.fs.ts

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import 'typings-global'
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import plugins = require('./smartfile.plugins')
import SmartfileInterpreter = require('./smartfile.interpreter')
import { Smartfile } from './smartfile.classes.smartfile'
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import * as memory from './smartfile.memory'
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/*===============================================================
============================ Checks =============================
===============================================================*/
/**
*
* @param filePath
* @returns {boolean}
*/
export let fileExistsSync = function (filePath): boolean {
let fileExistsBool: boolean = false
try {
plugins.fsExtra.readFileSync(filePath)
fileExistsBool = true
} catch (err) {
fileExistsBool = false
}
return fileExistsBool
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}
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/**
*
* @param filePath
* @returns {any}
*/
export let fileExists = function (filePath) {
let done = plugins.q.defer()
plugins.fs.access(filePath, 4, function (err) {
err ? done.reject(err) : done.resolve()
})
return done.promise
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}
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/**
* Checks if given path points to an existing directory
*/
export let isDirectory = function (pathArg): boolean {
return plugins.fsExtra.statSync(pathArg).isDirectory()
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}
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/**
* Checks if a given path points to an existing file
*/
export let isFile = function (pathArg): boolean {
return plugins.fsExtra.statSync(pathArg).isFile()
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}
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/*===============================================================
============================ FS ACTIONS =========================
===============================================================*/
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/**
* copies a file from A to B on the local disk
*/
export let copy = function (fromArg: string, toArg: string) {
let done = plugins.q.defer()
plugins.fsExtra.copy(fromArg, toArg, {}, function () {
done.resolve()
})
return done.promise
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}
/**
* copies a file SYNCHRONOUSLY from A to B on the local disk
*/
export let copySync = function (fromArg: string, toArg: string): boolean {
plugins.fsExtra.copySync(fromArg, toArg)
return true
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}
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/**
* ensures that a directory is in place
*/
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export let ensureDir = (dirPathArg: string) => {
let done = plugins.q.defer()
plugins.fsExtra.ensureDir(dirPathArg, done.resolve)
return done.promise
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}
/**
* ensures that a directory is in place
*/
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export let ensureDirSync = (dirPathArg: string) => {
plugins.fsExtra.ensureDirSync(dirPathArg)
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}
/**
* ensure an empty directory
* @executes ASYNC
*/
export let ensureEmptyDir = (dirPathArg: string) => {
let done = plugins.q.defer()
plugins.fsExtra.ensureDir(dirPathArg, () => {
plugins.fsExtra.emptyDir(dirPathArg, done.resolve)
})
return done.promise
}
/**
* ensure an empty directory
* @executes SYNC
*/
export let ensureEmptyDirSync = (dirPathArg: string) => {
plugins.fsExtra.ensureDirSync(dirPathArg)
plugins.fsExtra.emptyDirSync(dirPathArg)
}
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/**
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* ensures that a file is on disk
* @param filePath the filePath to ensureDir
* @param the fileContent to place into a new file in case it doesn't exist yet
* @returns Promise<void>
* @exec ASYNC
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*/
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export let ensureFile = (filePathArg, initFileStringArg): Promise<void> => {
let done = plugins.q.defer<void>()
ensureFileSync(filePathArg, initFileStringArg)
done.resolve()
return done.promise
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}
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/**
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* ensures that a file is on disk
* @param filePath the filePath to ensureDir
* @param the fileContent to place into a new file in case it doesn't exist yet
* @returns Promise<void>
* @exec SYNC
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*/
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export let ensureFileSync = (filePathArg: string, initFileStringArg: string): void => {
if (fileExistsSync(filePathArg)) {
return null
} else {
memory.toFsSync(initFileStringArg, filePathArg)
}
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}
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/**
* removes a file or folder from local disk
*/
export let remove = function (pathArg: string): Promise<void> {
let done = plugins.q.defer<void>()
plugins.fsExtra.remove(pathArg, function () {
done.resolve()
})
return done.promise
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}
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/**
* removes a file SYNCHRONOUSLY from local disk
*/
export let removeSync = function (pathArg: string): boolean {
plugins.fsExtra.removeSync(pathArg)
return true
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}
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/**
* removes an array of filePaths from disk
*/
export let removeMany = function (filePathArrayArg: string[]) {
let promiseArray: Promise<void>[] = []
for (let filePath of filePathArrayArg) {
promiseArray.push(remove(filePath))
}
return Promise.all(promiseArray)
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}
/**
* like removeFilePathArray but SYNCHRONOUSLY
*/
export let removeManySync = function (filePathArrayArg: string[]): void {
for (let filePath of filePathArrayArg) {
removeSync(filePath)
}
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}
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/*===============================================================
============================ Write/Read =========================
===============================================================*/
/**
*
* @param filePathArg
* @param fileTypeArg
* @returns {any}
*/
export let toObjectSync = function (filePathArg, fileTypeArg?) {
let fileString = plugins.fsExtra.readFileSync(filePathArg, 'utf8')
let fileType
fileTypeArg ? fileType = fileTypeArg : fileType = SmartfileInterpreter.filetype(filePathArg)
return SmartfileInterpreter.objectFile(fileString, fileType)
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}
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/**
* reads a file content to a String
* @param filePath
* @returns {string|Buffer|any}
*/
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export let toStringSync = function (filePath: string) {
let fileString = plugins.fsExtra.readFileSync(filePath, 'utf8')
return fileString
}
export let fileTreeToObject = async (dirPathArg: string, miniMatchFilter: string) => {
let fileTree = await listFileTree(dirPathArg, miniMatchFilter)
let smartfileArray: Smartfile[] = []
for (let filePath of fileTree) {
smartfileArray.push(new Smartfile({
path: filePath,
contentBuffer: new Buffer(toStringSync(filePath))
}))
}
return smartfileArray
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}
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/**
*
* @param filePathArg
* @param options
* @returns {number}
*/
export let toVinylSync = function (filePathArg, options = {}) {
return plugins.vinylFile.readSync(filePathArg, options)
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}
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/**
* lets you reload files hot.
* @param path
* @returns {any}
*/
export let requireReload = function (path: string) {
return plugins.requireReload(path)
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}
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/**
* lists Folders in a directory on local disk
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* @returns Promise
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*/
export let listFolders = function (pathArg: string, regexFilter?: RegExp) {
let done = plugins.q.defer()
let folderArray = plugins.fsExtra.readdirSync(pathArg).filter(function (file) {
return plugins.fsExtra.statSync(plugins.path.join(pathArg, file)).isDirectory()
})
if (regexFilter) {
folderArray = folderArray.filter((fileItem) => {
return regexFilter.test(fileItem)
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})
}
done.resolve(folderArray)
return done.promise
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}
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/**
* lists Folders SYNCHRONOUSLY in a directory on local disk
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* @returns an array with the folder names as strings
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*/
export let listFoldersSync = function (pathArg: string, regexFilter?: RegExp): string[] {
let folderArray = plugins.fsExtra.readdirSync(pathArg).filter(function (file) {
return plugins.fsExtra.statSync(plugins.path.join(pathArg, file)).isDirectory()
})
if (regexFilter) {
folderArray = folderArray.filter((fileItem) => {
return regexFilter.test(fileItem)
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})
}
return folderArray
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}
/**
* lists Files in a directory on local disk
* @returns Promise
*/
export let listFiles = function (pathArg: string, regexFilter?: RegExp) {
let done = plugins.q.defer()
let fileArray = plugins.fsExtra.readdirSync(pathArg).filter(function (file) {
return plugins.fsExtra.statSync(plugins.path.join(pathArg, file)).isFile()
})
if (regexFilter) {
fileArray = fileArray.filter((fileItem) => {
return regexFilter.test(fileItem)
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})
}
done.resolve(fileArray)
return done.promise
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}
/**
* lists Files SYNCHRONOUSLY in a directory on local disk
* @returns an array with the folder names as strings
*/
export let listFilesSync = function (pathArg: string, regexFilter?: RegExp): string[] {
let fileArray = plugins.fsExtra.readdirSync(pathArg).filter(function (file) {
return plugins.fsExtra.statSync(plugins.path.join(pathArg, file)).isFile()
})
if (regexFilter) {
fileArray = fileArray.filter((fileItem) => {
return regexFilter.test(fileItem)
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})
}
return fileArray
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}
/**
* lists all items (folders AND files) in a directory on local disk
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* @returns Promise<string[]>
*/
export let listAllItems = function (pathArg: string, regexFilter?: RegExp): Promise<string[]> {
let done = plugins.q.defer<string[]>()
let allItmesArray = plugins.fsExtra.readdirSync(pathArg)
if (regexFilter) {
allItmesArray = allItmesArray.filter((fileItem) => {
return regexFilter.test(fileItem)
})
};
done.resolve(allItmesArray)
return done.promise
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}
/**
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* lists all items (folders AND files) in a directory on local disk
* @returns an array with the folder names as strings
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* @executes SYNC
*/
export let listAllItemsSync = function (pathArg: string, regexFilter?: RegExp): string[] {
let allItmesArray = plugins.fsExtra.readdirSync(pathArg).filter(function (file) {
return plugins.fsExtra.statSync(plugins.path.join(pathArg, file)).isFile()
})
if (regexFilter) {
allItmesArray = allItmesArray.filter((fileItem) => {
return regexFilter.test(fileItem)
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})
}
return allItmesArray
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}
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/**
* lists a file tree using a miniMatch filter
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* note: if the miniMatch Filter is an absolute path, the cwdArg will be omitted
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* @returns Promise<string[]> string array with the absolute paths of all matching files
*/
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export let listFileTree = (dirPathArg: string, miniMatchFilter: string): Promise<string[]> => {
let done = plugins.q.defer<string[]>()
// handle absolute miniMatchFilter
let dirPath: string
if (plugins.path.isAbsolute(miniMatchFilter)) {
dirPath = '/'
} else {
dirPath = dirPathArg
}
let options = {
cwd: dirPath
}
plugins.glob(miniMatchFilter, options, (err, files: string[]) => {
if (err) {
console.log(err)
done.reject(err)
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}
done.resolve(files)
})
return done.promise
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}