72 lines
2.2 KiB
Rust
72 lines
2.2 KiB
Rust
use napi::{
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CallContext, ContextlessResult, Env, JsBoolean, JsFunction, JsObject, JsString, JsUndefined,
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JsUnknown, Result,
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};
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#[js_function(2)]
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pub fn instanceof(ctx: CallContext) -> Result<JsBoolean> {
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let object = ctx.get::<JsUnknown>(0)?;
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let constructor = ctx.get::<JsUnknown>(1)?;
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ctx.env.get_boolean(object.instanceof(constructor)?)
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}
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#[js_function(1)]
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pub fn is_typedarray(ctx: CallContext) -> Result<JsBoolean> {
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let js_value = ctx.get::<JsUnknown>(0)?;
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ctx.env.get_boolean(js_value.is_typedarray()?)
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}
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#[js_function(1)]
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pub fn is_dataview(ctx: CallContext) -> Result<JsBoolean> {
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let js_value = ctx.get::<JsUnknown>(0)?;
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ctx.env.get_boolean(js_value.is_dataview()?)
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}
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#[js_function(2)]
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pub fn strict_equals(ctx: CallContext) -> Result<JsBoolean> {
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let a: JsUnknown = ctx.get(0)?;
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let b: JsUnknown = ctx.get(1)?;
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ctx.env.get_boolean(ctx.env.strict_equals(a, b)?)
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}
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#[js_function(1)]
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pub fn cast_unknown(ctx: CallContext) -> Result<JsObject> {
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let arg: JsUnknown = ctx.get(0)?;
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Ok(unsafe { arg.cast::<JsObject>() })
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}
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#[contextless_function]
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fn get_env_variable(env: Env) -> ContextlessResult<JsString> {
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env
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.create_string_from_std(std::env::var("npm_package_name").unwrap())
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.map(Some)
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}
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#[js_function(1)]
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pub fn throw_syntax_error(ctx: CallContext) -> Result<JsUndefined> {
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let message: JsString = ctx.get(0)?;
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let syntax_error = ctx
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.env
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.get_global()?
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.get_named_property::<JsFunction>("SyntaxError")?;
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ctx.env.throw(syntax_error.new_instance(&[message])?)?;
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ctx.env.get_undefined()
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}
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#[js_function(1)]
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fn coerce_to_bool(ctx: CallContext) -> Result<JsBoolean> {
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let arg: JsUnknown = ctx.get(0)?;
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arg.coerce_to_bool()
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}
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pub fn register_js(exports: &mut JsObject) -> Result<()> {
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exports.create_named_method("instanceof", instanceof)?;
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exports.create_named_method("isTypedarray", is_typedarray)?;
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exports.create_named_method("isDataview", is_dataview)?;
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exports.create_named_method("strictEquals", strict_equals)?;
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exports.create_named_method("castUnknown", cast_unknown)?;
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exports.create_named_method("getEnvVariable", get_env_variable)?;
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exports.create_named_method("throwSyntaxError", throw_syntax_error)?;
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exports.create_named_method("coerceToBool", coerce_to_bool)?;
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Ok(())
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}
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