jxa-pathitem.js

pathitem.js

class PathItemObject {
    constructor(path) {
        if (!path) throw new Error('PathItemObject: The argument "path" is required.')
        if (Object.prototype.toString.call(path).slice(8,-1).toLowerCase()!=='string') throw new Error('PathItemObject: The argument "path" must be a string')
        this.pathString = path
        let $p = $(path).stringByStandardizingPath.js
        if (/^\//.test($p)) {
            this.path = $p
        } else {
            this.path = $($.NSFileManager.defaultManager.currentDirectoryPath.js + '/' + $p).stringByStandardizingPath.js
        }
    }
    
    // Create
    mkfile() {
        if (this.isExists) throw new Error(`mkfile: Path is exists: "${this.pathString}"`)
        let p = this.path
        let c = $.NSData.data //zero data
        let a = $()
        let r = $.NSFileManager.defaultManager.createFileAtPathContentsAttributes(p, c, a)
        if (!r) throw new Error(`mkfile: make file failed: "${this.pathString}"`)
        return this
    }
    mkdir(createIntermediatesFlag=1) {
        let p = this.path
        let i = createIntermediatesFlag ? 1 : 0
        let a = $()
        let e = $()
        let r = $.NSFileManager.defaultManager.createDirectoryAtPathWithIntermediateDirectoriesAttributesError(p, i, a, e)
        if (!e.isNil()) {
            let a = e.localizedDescription.js
            let b = e.localizedRecoverySuggestion.js ? e.localizedRecoverySuggestion.js : ''
            throw new Error(a+b)
        }
        return this
    }
    
    // Update
    remove() {
        if (!this.isExists) return this
        let p = this.path
        let e = $()
        let r = $.NSFileManager.defaultManager.removeItemAtPathError(p, e)
        if (!e.isNil()) {
            let a = e.localizedDescription.js
            let b = e.localizedRecoverySuggestion.js ? e.localizedRecoverySuggestion.js : ''
            throw new Error(a+b)
        }
        return this
    }
    move(to) {
        if (!to) return this
        if (Object.prototype.toString.call(to).slice(8,-1).toLowerCase() === 'function') return this.move(to(this))
        let $to = new PathItemObject(to)
        let a = this.path
        if ($to.isDirectory) {
            var t = $to.path + '/' + $(a).lastPathComponent.js
        } else { 
            var t = $to.path
        }
        let e = $()
        let r = $.NSFileManager.defaultManager.moveItemAtPathToPathError(a, t, e)
        if (!e.isNil()) {
            let a = e.localizedDescription.js
            let b = e.localizedRecoverySuggestion.js ? e.localizedRecoverySuggestion.js : ''
            throw new Error(a+b)
        }
        this.path = t
        if ($to.isDirectory) {
            this.pathString = to.replace(/\/$/,'') + '/' + $(t).lastPathComponent.js
        } else {
            this.pathString = to
        }
        return this
    }
    copy(to) {
        if (!to) return this
        if (Object.prototype.toString.call(to).slice(8,-1).toLowerCase() === 'function') return this.copy(to(this))
        let $to = new PathItemObject(to)
        let a = this.path
        if ($to.isDirectory) {
            var t = $to.path + '/' + $(a).lastPathComponent.js
        } else { 
            var t = $to.path
        }
        let e = $()
        let r = $.NSFileManager.defaultManager.copyItemAtPathToPathError(a, t, e)
        if (!e.isNil()) {
            let a = e.localizedDescription.js
            let b = e.localizedRecoverySuggestion.js ? e.localizedRecoverySuggestion.js : ''
            throw new Error(a+b)
        }
        if ($to.isDirectory) {
            return new PathItemObject(to.replace(/\/$/,'') + '/' + $(t).lastPathComponent.js)
        } else {
            return new PathItemObject(to)
        }
    }
    link(to) {
        if (!to) return this
        if (Object.prototype.toString.call(to).slice(8,-1).toLowerCase() === 'function') return this.link(to(this))
        let $to = new PathItemObject(to)
        let a = this.path
        if ($to.isDirectory) {
            var t = $to.path + '/' + $(a).lastPathComponent.js
        } else { 
            var t = $to.path
        }
        let e = $()
        let r = $.NSFileManager.defaultManager.linkItemAtPathToPathError(a, t, e)
        if (!e.isNil()) {
            let a = e.localizedDescription.js
            let b = e.localizedRecoverySuggestion.js ? e.localizedRecoverySuggestion.js : ''
            throw new Error(a+b)
        }
        if ($to.isDirectory) {
            return new PathItemObject(to.replace(/\/$/,'') + '/' + $(t).lastPathComponent.js)
        } else {
            return new PathItemObject(to)
        }
    }
    symboliclink(to) {
        if (!to) return this
        if (Object.prototype.toString.call(to).slice(8,-1).toLowerCase() === 'function') return this.symboliclink(to(this))
        let $to = new PathItemObject(to)
        let d = this.path
        if ($to.isDirectory) {
            var a = $to.path + '/' + $(d).lastPathComponent.js
        } else {
            var a = $to.path
        }
        let e = $()
        let r = $.NSFileManager.defaultManager.createSymbolicLinkAtPathWithDestinationPathError(a, d, e)
        if (!e.isNil()) {
            let a = e.localizedDescription.js
            let b = e.localizedRecoverySuggestion.js ? e.localizedRecoverySuggestion.js : ''
            throw new Error(a+b)
        }
        if ($to.isDirectory) {
            return new PathItemObject(to.replace(/\/$/,'') + '/' + $(t).lastPathComponent.js)
        } else {
            return new PathItemObject(to)
        }
    }
    permission(value) {
        if (Object.prototype.toString.call(to).slice(8,-1).toLowerCase() === 'function') return this.permission(to(this))
        let a = $({'NSFilePosixPermissions':value})
        let p = this.path
        let e = $()
        let r = $.NSFileManager.defaultManager.setAttributesOfItemAtPathError(a, p, e)
        if (!e.isNil()) {
            let a = e.localizedDescription.js
            let b = e.localizedRecoverySuggestion.js ? e.localizedRecoverySuggestion.js : ''
            throw new Error(a+b)
        }
        return this
    }
    
    // Computed property
    get isExists() {
        if (!this.pathString) {
            $.NSLog('isExists: Invalid value: %@', JSON.stringify(this))
            return false
        }
        return $.NSFileManager.defaultManager.fileExistsAtPath(this.path)
    }
    get isReadable() {
        if (!this.isExists) return false
        return $.NSFileManager.defaultManager.isReadableFileAtPath(this.path)
    }
    get isWritable() {
        if (!this.isExists) return false
        return $.NSFileManager.defaultManager.isWritableFileAtPath(this.path)
    }
    get isDeletable() {
        if (!this.isExists) return false
        return $.NSFileManager.defaultManager.isDeletableFileAtPath(this.path)
    }
    get isExeutable() {
        if (!this.isExists) return false
        return $.NSFileManager.defaultManager.isExecutableFileAtPath(this.path)
    }
    get isDirectory() {
        if (!this.isExists) return false
        let p = this.path
        let e = $()
        let a = $.NSFileManager.defaultManager.attributesOfItemAtPathError(p, e)
        if (!e.isNil()) {
            let a = e.localizedDescription.js
            let b = e.localizedRecoverySuggestion.js ? e.localizedRecoverySuggestion.js : ''
            throw new Error(a+b)
        }
        return a.objectForKey($.NSFileType).js === $.NSFileTypeDirectory.js
    }
    get isSymbolicLink() {
        if (!this.isExists) return false
        let p = this.path
        let e = $()
        let a = $.NSFileManager.defaultManager.attributesOfItemAtPathError(p, e)
        if (!e.isNil()) {
            let a = e.localizedDescription.js
            let b = e.localizedRecoverySuggestion.js ? e.localizedRecoverySuggestion.js : ''
            throw new Error(a+b)
        }
        return a.objectForKey($.NSFileType).js === $.NSFileTypeSymbolicLink.js
    }
    get destinationOfSymbolicLink() {
        if (!this.isSymbolicLink) return ''
        let p = this.path
        let e = $()
        let r = $.NSFileManager.defaultManager.destinationOfSymbolicLinkAtPathError(p, e)
        if (!e.isNil()) {
            let a = e.localizedDescription.js
            let b = e.localizedRecoverySuggestion.js ? e.localizedRecoverySuggestion.js : ''
            throw new Error(a+b)
        }
        return r.isNil() ? '' : r.js
    }
    
    toString() {
        return JSON.stringify(this)
    }
}

class PathItemArray extends Array {
    constructor(...path) {
        super()
        for (let p of path) this.push(new PathItemObject(p))
    }
    
    // Create
    mkfile() {
        for (let o of this) o.mkfile()
        return this
    }
    mkdir() {
        for (let o of this) o.mkdir()
        return this
    }
    
    // Update
    remove() {
        for (let o of this) o.remove()
        return this
    }
    move(to) {
        for (let o of this) o.move(to)
        return this
    }
    copy(to) {
        let a = new PathItemArray()
        for (let o of this) a.push(o.copy(to))
        return a
    }
    link(to) {
        let a = new PathItemArray()
        for (let o of this) a.push(o.link(to))
        return a
    }
    symboliclink(to) {
        let a = new PathItemArray()
        for (let o of this) a.push(o.symboliclink(to))
        return a
    }
    permission(value) {
        for (let o of this) o.permission(value)
        return this
    }
    
    toString() {
        return JSON.stringify(this)
    }
}


// === オブジェクト

// 空ファイル作成
obj = new PathItemObject('a.txt')
obj.mkfile()

// ディレクトリ作成
obj = new PathItemObject('a')
obj.mkdir()

// 削除
obj.remove()

// パーミッション変更
obj.permission(0700)

// tempに名称変更
obj.move('./temp')
// temp内に移動
obj.move('./temp/')

// tempとして複製
obj.copy('./temp')
// temp内にコピー
obj.copy('./temp/')

// tempとしてハードリンク
obj.link('./temp')
// temp内にハードリンク
obj.link('./temp/')

// tempとしてシンボリックリンク
obj.symboliclink('./temp')
// temp内にシンボリックリンク
obj.symboliclink('./temp/')

// シンボリックリンクのオリジナルパス
obj.destinationOfSymbolicLink

// 展開済みのパス
obj.path
// コンストラクタ引数に指定されたパス文字列
obj.pathString
// 存在確認
obj.isExists
// パーミッション：読み込み可能
obj.isReadable
// パーミッション：書き込み可能
obj.isWritable
// パーミッション：削除可能
obj.isDeletable
// パーミッション：実行可能
obj.isExeutable
// ディレクトリか確認
obj.isDirectory
// シンボリックリンクか確認
obj.isSymbolicLink


// === 配列

// 空ファイル作成
ary = new PathItemArray('a.txt','b.txt','c.txt')
ary.mkfile()

// ディレクトリ作成
ary = new PathItemArray('a','b','c')
ary.mkdir()

// 削除
ary.remove()

// 移動
ary.move('./temp/')

// パーミッション変更
ary.permission(0700)

// 複製
ary.copy('./temp/')

// ハードリンク
ary.link('./temp/')

// シンボリックリンク
ary.symboliclink('./temp/')