Files
infocom-systems-design/node_modules/bare-fs/promises.js
2025-10-03 22:27:28 +03:00

90 lines
1.8 KiB
JavaScript

const EventEmitter = require('bare-events')
const fs = require('.')
class FileHandle extends EventEmitter {
constructor(fd) {
this.fd = fd
}
async close() {
await fs.close(fd)
this.fd = -1
this.emit('close')
}
async read(buffer, ...args) {
return {
bytesRead: await fs.read(this.fd, buffer, ...args),
buffer
}
}
async readv(buffers, ...args) {
return {
bytesRead: await fs.readv(this.fd, buffers, ...args),
buffers
}
}
async write(buffer, ...args) {
return {
bytesWritten: await fs.write(this.fd, buffer, ...args),
buffer
}
}
async writev(buffers, ...args) {
return {
bytesWritten: await fs.writev(this.fd, buffers, ...args),
buffers
}
}
async stat() {
return fs.fstat(this.fd)
}
async chmod(mode) {
await fs.fchmod(this.fd, mode)
}
createReadStream(opts) {
return fs.createReadStream(null, { ...opts, fd: this.fd })
}
createWriteStream(opts) {
return fs.createWriteStream(null, { ...opts, fd: this.fd })
}
async [Symbol.asyncDispose]() {
await this.close()
}
}
exports.open = async function open(filepath, flags, mode) {
return new FileHandle(await fs.open(filepath, flags, mode))
}
exports.access = fs.access
exports.appendFile = fs.appendFile
exports.chmod = fs.chmod
exports.constants = fs.constants
exports.copyFile = fs.copyFile
exports.lstat = fs.lstat
exports.mkdir = fs.mkdir
exports.opendir = fs.opendir
exports.readFile = fs.readFile
exports.readdir = fs.readdir
exports.readlink = fs.readlink
exports.realpath = fs.realpath
exports.rename = fs.rename
exports.rm = fs.rm
exports.rmdir = fs.rmdir
exports.stat = fs.stat
exports.symlink = fs.symlink
exports.unlink = fs.unlink
exports.utimes = fs.utimes
exports.watch = fs.watch
exports.writeFile = fs.writeFile