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export function from(items) {
if ($isUndefinedOrNull(items)) {
throw new TypeError(
"The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object.",
);
}
// TODO: figure out why private symbol not found
if (
typeof items === "string" ||
(typeof items === "object" &&
($isTypedArrayView(items) ||
items instanceof ArrayBuffer ||
items instanceof SharedArrayBuffer ||
items instanceof String))
) {
switch ($argumentCount()) {
case 1: {
return new $Buffer(items);
}
case 2: {
return new $Buffer(items, $argument(1));
}
default: {
return new $Buffer(items, $argument(1), $argument(2));
}
}
}
var arrayLike = $toObject(
items,
"The first argument must be of type string or an instance of Buffer, ArrayBuffer, or Array or an Array-like Object.",
) as ArrayLike<any>;
if (!$isJSArray(arrayLike)) {
const toPrimitive = $tryGetByIdWithWellKnownSymbol(items, "toPrimitive");
if (toPrimitive) {
const primitive = toPrimitive.$call(items, "string");
if (typeof primitive === "string") {
switch ($argumentCount()) {
case 1: {
return new $Buffer(primitive);
}
case 2: {
return new $Buffer(primitive, $argument(1));
}
default: {
return new $Buffer(primitive, $argument(1), $argument(2));
}
}
}
}
if (!("length" in arrayLike) || $isCallable(arrayLike)) {
throw new TypeError(
"The first argument must be of type string or an instance of Buffer, ArrayBuffer, or Array or an Array-like Object.",
);
}
}
// Don't pass the second argument because Node's Buffer.from doesn't accept
// a function and Uint8Array.from requires it if it exists
// That means we cannot use $tailCallFowrardArguments here, sadly
return new $Buffer(Uint8Array.from(arrayLike).buffer);
}
export function isBuffer(bufferlike) {
return bufferlike instanceof $Buffer;
}
|
