22 lines
593 B
Rust
22 lines
593 B
Rust
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use std::convert::TryInto;
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use napi::{CallContext, JsExternal, JsNumber, Result};
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struct NativeObject {
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count: i32,
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}
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#[js_function(1)]
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pub fn create_external(ctx: CallContext) -> Result<JsExternal> {
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let count = ctx.get::<JsNumber>(0)?.try_into()?;
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let native = NativeObject { count };
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ctx.env.create_external(native)
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}
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#[js_function(1)]
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pub fn get_external_count(ctx: CallContext) -> Result<JsNumber> {
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let attached_obj = ctx.get::<JsExternal>(0)?;
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let native_object = ctx.env.get_value_external::<NativeObject>(&attached_obj)?;
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ctx.env.create_int32(native_object.count)
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}
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