62 lines
2 KiB
Rust
62 lines
2 KiB
Rust
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/*
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Copyright (c) 2017 The swc Project Developers
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Permission is hereby granted, free of charge, to any
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person obtaining a copy of this software and associated
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documentation files (the "Software"), to deal in the
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Software without restriction, including without
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limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software
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is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice
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shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
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ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
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TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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use anyhow::Context;
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use napi::{CallContext, JsBuffer, Status};
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use serde::de::DeserializeOwned;
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pub trait MapErr<T>: Into<Result<T, anyhow::Error>> {
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fn convert_err(self) -> napi::Result<T> {
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self.into()
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.map_err(|err| napi::Error::new(Status::GenericFailure, format!("{:?}", err)))
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}
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}
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impl<T> MapErr<T> for Result<T, anyhow::Error> {}
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pub trait CtxtExt {
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/// Currently this uses JsBuffer
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fn get_deserialized<T>(&self, index: usize) -> napi::Result<T>
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where
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T: DeserializeOwned;
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}
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impl CtxtExt for CallContext<'_> {
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fn get_deserialized<T>(&self, index: usize) -> napi::Result<T>
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where
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T: DeserializeOwned,
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{
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let buffer = self.get::<JsBuffer>(index)?.into_value()?;
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let v = serde_json::from_slice(&buffer)
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.with_context(|| format!("Argument at `{}` is not JsBuffer", index))
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.convert_err()?;
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Ok(v)
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}
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}
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