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38e6efc185
- Core rust library - ffi bridge that exposes rust functionality to javascript - npm package that provides a TypeScript / JavaScript library - limitations: it only supports reading for now
37 lines
1.2 KiB
Rust
37 lines
1.2 KiB
Rust
// Copyright 2023 Lance Developers.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use neon::prelude::*;
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pub(crate) fn vec_str_to_array<'a, C: Context<'a>>(
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vec: &Vec<String>,
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cx: &mut C,
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) -> JsResult<'a, JsArray> {
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let a = JsArray::new(cx, vec.len() as u32);
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for (i, s) in vec.iter().enumerate() {
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let v = cx.string(s);
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a.set(cx, i as u32, v)?;
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}
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Ok(a)
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}
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pub(crate) fn js_array_to_vec(array: &JsArray, cx: &mut FunctionContext) -> Vec<f32> {
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let mut query_vec: Vec<f32> = Vec::new();
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for i in 0..array.len(cx) {
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let entry: Handle<JsNumber> = array.get(cx, i).unwrap();
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query_vec.push(entry.value(cx) as f32);
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}
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query_vec
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}
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