71 lines
1.4 KiB
JavaScript
71 lines
1.4 KiB
JavaScript
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import util from 'util'
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import { WriteStream } from 'fs'
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import { EventEmitter } from 'events'
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import crypto from 'crypto'
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export default function File(properties) {
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EventEmitter.call(this)
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this.size = 0
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this.path = null
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this.name = null
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this.type = null
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this.hash = null
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this.lastModifiedDate = null
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this._writeStream = null
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for (var key in properties) {
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this[key] = properties[key]
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}
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if (typeof this.hash === 'string') {
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this.hash = crypto.createHash(properties.hash)
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} else {
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this.hash = null
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}
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}
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util.inherits(File, EventEmitter)
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File.prototype.open = function() {
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this._writeStream = new WriteStream(this.path)
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}
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File.prototype.toJSON = function() {
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return {
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size: this.size,
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path: this.path,
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name: this.name,
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type: this.type,
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mtime: this.lastModifiedDate,
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length: this.length,
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filename: this.filename,
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mime: this.mime
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}
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}
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File.prototype.write = function(buffer, cb) {
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var self = this
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if (self.hash) {
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self.hash.update(buffer)
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}
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this._writeStream.write(buffer, function() {
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self.lastModifiedDate = new Date()
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self.size += buffer.length
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self.emit('progress', self.size)
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cb()
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})
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}
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File.prototype.end = function(cb) {
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var self = this
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if (self.hash) {
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self.hash = self.hash.digest('hex')
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}
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this._writeStream.end(function() {
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self.emit('end')
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cb()
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})
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}
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