ferrijs-std 0.2.0

Node and web standard library for the ferrijs QuickJS runtime: WHATWG Streams, Events, AbortController, Buffer, crypto, fs, os, url, zlib and the capability model they enforce (partly derived from awslabs/llrt, Apache-2.0).
Documentation 
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use rquickjs::{Ctx, Error, FromJs, Result, Value};

use crate::stream_web::{readable::ReadableStreamClass, writable::WritableStreamClass};

/// An object containing a pair of linked streams, one readable and one writable
/// https://streams.spec.whatwg.org/#dictdef-readablewritablepair
pub struct ReadableWritablePair<'js> {
    pub readable: ReadableStreamClass<'js>,
    pub writable: WritableStreamClass<'js>,
}

impl<'js> FromJs<'js> for ReadableWritablePair<'js> {
    fn from_js(_ctx: &Ctx<'js>, value: Value<'js>) -> Result<Self> {
        let ty_name = value.type_name();
        let obj = value
            .as_object()
            .ok_or(Error::new_from_js(ty_name, "Object"))?;

        let readable = obj.get::<_, ReadableStreamClass<'js>>("readable")?;
        let writable = obj.get::<_, WritableStreamClass<'js>>("writable")?;

        Ok(Self { readable, writable })
    }
}