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// Hardcoded module "node:fs/promises"
// Note: `constants` is injected into the top of this file
declare var constants: typeof import("node:fs/promises").constants;
var fs = Bun.fs();
// note: this is not quite the same as how node does it
// in some cases, node swaps around arguments or makes small tweaks to the return type
// this is just better than nothing.
const notrace = "::bunternal::";
var promisify = {
[notrace]: fsFunction => {
// TODO: remove variadic arguments
// we can use new Function() here instead
// based on fsFucntion.length
var func = {
[notrace]: function (resolve, reject, args) {
var result;
try {
result = fsFunction.apply(fs, args);
args = undefined;
} catch (err) {
args = undefined;
reject(err);
return;
}
resolve(result);
},
}[notrace];
return async function (...args) {
// we await it so that the stack is captured
return await new Promise((resolve, reject) => {
process.nextTick(func, resolve, reject, args);
});
};
},
}[notrace];
export function watch(
filename: string | Buffer | URL,
options: { encoding?: BufferEncoding; persistent?: boolean; recursive?: boolean; signal?: AbortSignal } = {},
) {
type Event = {
eventType: string;
filename: string | Buffer | undefined;
};
const events: Array<Event> = [];
if (filename instanceof URL) {
throw new TypeError("Watch URLs are not supported yet");
} else if (Buffer.isBuffer(filename)) {
filename = filename.toString();
} else if (typeof filename !== "string") {
throw new TypeError("Expected path to be a string or Buffer");
}
let nextEventResolve: Function | null = null;
if (typeof options === "string") {
options = { encoding: options };
}
fs.watch(filename, options || {}, (eventType: string, filename: string | Buffer | undefined) => {
events.push({ eventType, filename });
if (nextEventResolve) {
const resolve = nextEventResolve;
nextEventResolve = null;
resolve();
}
});
return {
async *[Symbol.asyncIterator]() {
let closed = false;
while (!closed) {
while (events.length) {
let event = events.shift() as Event;
if (event.eventType === "close") {
closed = true;
break;
}
if (event.eventType === "error") {
closed = true;
throw event.filename;
}
yield event;
}
await new Promise((resolve: Function) => (nextEventResolve = resolve));
}
},
};
}
export var access = promisify(fs.accessSync),
appendFile = promisify(fs.appendFileSync),
close = promisify(fs.closeSync),
copyFile = promisify(fs.copyFileSync),
exists = promisify(fs.existsSync),
chown = promisify(fs.chownSync),
chmod = promisify(fs.chmodSync),
fchmod = promisify(fs.fchmodSync),
fchown = promisify(fs.fchownSync),
fstat = promisify(fs.fstatSync),
fsync = promisify(fs.fsyncSync),
ftruncate = promisify(fs.ftruncateSync),
futimes = promisify(fs.futimesSync),
lchmod = promisify(fs.lchmodSync),
lchown = promisify(fs.lchownSync),
link = promisify(fs.linkSync),
lstat = promisify(fs.lstatSync),
mkdir = promisify(fs.mkdirSync),
mkdtemp = promisify(fs.mkdtempSync),
open = promisify(fs.openSync),
read = promisify(fs.readSync),
write = promisify(fs.writeSync),
readdir = promisify(fs.readdirSync),
readFile = promisify(fs.readFileSync),
writeFile = promisify(fs.writeFileSync),
readlink = promisify(fs.readlinkSync),
realpath = promisify(fs.realpathSync),
rename = promisify(fs.renameSync),
stat = promisify(fs.statSync),
symlink = promisify(fs.symlinkSync),
truncate = promisify(fs.truncateSync),
unlink = promisify(fs.unlinkSync),
utimes = promisify(fs.utimesSync),
lutimes = promisify(fs.lutimesSync),
rm = promisify(fs.rmSync),
rmdir = promisify(fs.rmdirSync),
writev = (fd, buffers, position) => {
return new Promise((resolve, reject) => {
try {
var bytesWritten = fs.writevSync(fd, buffers, position);
} catch (err) {
reject(err);
return;
}
resolve({
bytesWritten,
buffers,
});
});
},
readv = (fd, buffers, position) => {
return new Promise((resolve, reject) => {
try {
var bytesRead = fs.readvSync(fd, buffers, position);
} catch (err) {
reject(err);
return;
}
resolve({
bytesRead,
buffers,
});
});
};
export default {
access,
appendFile,
close,
copyFile,
exists,
chown,
chmod,
fchmod,
fchown,
fstat,
fsync,
ftruncate,
futimes,
lchmod,
lchown,
link,
lstat,
mkdir,
mkdtemp,
open,
read,
write,
readdir,
readFile,
writeFile,
readlink,
realpath,
rename,
stat,
symlink,
truncate,
unlink,
utimes,
lutimes,
rm,
rmdir,
watch,
writev,
readv,
constants,
[Symbol.for("CommonJS")]: 0,
};
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