mirror of
https://github.com/loro-dev/loro.git
synced 2025-02-06 20:43:24 +00:00
78 lines
2.2 KiB
Rust
78 lines
2.2 KiB
Rust
use js_sys::{Object, Reflect};
|
|
use loro_core::Prelim;
|
|
use wasm_bindgen::JsValue;
|
|
|
|
use crate::{prelim::PrelimType, LoroList, LoroMap, LoroText, PrelimList, PrelimMap, PrelimText};
|
|
use wasm_bindgen::convert::FromWasmAbi;
|
|
pub(crate) fn js_to_any<T: FromWasmAbi<Abi = u32>>(
|
|
js: JsValue,
|
|
struct_name: &str,
|
|
) -> Result<T, JsValue> {
|
|
let ctor_name = Object::get_prototype_of(&js).constructor().name();
|
|
if ctor_name == struct_name {
|
|
let ptr = Reflect::get(&js, &JsValue::from_str("ptr"))?;
|
|
let ptr_u32: u32 = ptr.as_f64().ok_or(JsValue::NULL)? as u32;
|
|
let obj = unsafe { T::from_abi(ptr_u32) };
|
|
Ok(obj)
|
|
} else {
|
|
Err(JsValue::NULL)
|
|
}
|
|
}
|
|
|
|
impl TryFrom<JsValue> for PrelimText {
|
|
type Error = JsValue;
|
|
|
|
fn try_from(value: JsValue) -> Result<Self, Self::Error> {
|
|
js_to_any(value, "PrelimText")
|
|
}
|
|
}
|
|
|
|
impl TryFrom<JsValue> for PrelimList {
|
|
type Error = JsValue;
|
|
|
|
fn try_from(value: JsValue) -> Result<Self, Self::Error> {
|
|
js_to_any(value, "PrelimList")
|
|
}
|
|
}
|
|
|
|
impl TryFrom<JsValue> for PrelimMap {
|
|
type Error = JsValue;
|
|
|
|
fn try_from(value: JsValue) -> Result<Self, Self::Error> {
|
|
js_to_any(value, "PrelimMap")
|
|
}
|
|
}
|
|
|
|
impl TryFrom<JsValue> for LoroText {
|
|
type Error = JsValue;
|
|
|
|
fn try_from(value: JsValue) -> Result<Self, Self::Error> {
|
|
js_to_any(value, "LoroText")
|
|
}
|
|
}
|
|
|
|
impl TryFrom<JsValue> for LoroList {
|
|
type Error = JsValue;
|
|
|
|
fn try_from(value: JsValue) -> Result<Self, Self::Error> {
|
|
js_to_any(value, "LoroList")
|
|
}
|
|
}
|
|
|
|
impl TryFrom<JsValue> for LoroMap {
|
|
type Error = JsValue;
|
|
|
|
fn try_from(value: JsValue) -> Result<Self, Self::Error> {
|
|
js_to_any(value, "LoroMap")
|
|
}
|
|
}
|
|
|
|
pub(crate) fn js_try_to_prelim(value: &JsValue) -> Option<PrelimType> {
|
|
let ctor_name = Object::get_prototype_of(value).constructor().name();
|
|
match ctor_name.as_string().unwrap().as_ref() {
|
|
"PrelimText" => Some(PrelimText::try_from(value.clone()).unwrap().into()),
|
|
"PrelimList" => Some(PrelimList::try_from(value.clone()).unwrap().into()),
|
|
"PrelimMap" => Some(PrelimMap::try_from(value.clone()).unwrap().into()),
|
|
_ => None,
|
|
}
|
|
}
|