57 lines
1009 B
JavaScript
57 lines
1009 B
JavaScript
/**
|
|
* {}
|
|
* @author yutent<yutent.io@gmail.com>
|
|
* @date 2023/10/27 14:23:22
|
|
*/
|
|
|
|
import { EventEmitter } from 'node:events'
|
|
import File from './file.js'
|
|
|
|
export class OctetParser extends EventEmitter {
|
|
#file = null
|
|
#byteLen = 0
|
|
#wroteLen = 0
|
|
|
|
constructor(name, type, path) {
|
|
super()
|
|
|
|
this.#file = new File({ path, name, type })
|
|
this.#file.open()
|
|
}
|
|
|
|
initLength(length) {
|
|
this.#byteLen = length
|
|
}
|
|
|
|
write(buffer) {
|
|
this.#file.write(buffer)
|
|
this.#wroteLen += buffer.length
|
|
}
|
|
|
|
end() {
|
|
this.#file.end(_ => {
|
|
if (this.#wroteLen === this.#byteLen) {
|
|
this.emit('file', this.#file)
|
|
this.emit('end')
|
|
} else {
|
|
this.emit(
|
|
'error',
|
|
new Error(
|
|
`The uploaded data is incomplete. Expected ${
|
|
this.#byteLen
|
|
}, Received ${this.#wroteLen} .`
|
|
)
|
|
)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
export class EmptyParser extends EventEmitter {
|
|
write() {}
|
|
|
|
end() {
|
|
this.emit('end')
|
|
}
|
|
}
|