mirror of https://github.com/boa-dev/boa.git
Kevin
11 months ago
committed by
GitHub
6 changed files with 174 additions and 63 deletions
@ -0,0 +1,76 @@ |
|||||||
|
//! A custom `TimeZone` object.
|
||||||
|
use crate::{property::PropertyKey, string::utf16, Context, JsObject, JsValue}; |
||||||
|
|
||||||
|
use boa_gc::{Finalize, Trace}; |
||||||
|
use boa_temporal::{ |
||||||
|
components::{tz::TzProtocol, Instant}, |
||||||
|
TemporalError, TemporalResult, |
||||||
|
}; |
||||||
|
use num_bigint::BigInt; |
||||||
|
|
||||||
|
#[derive(Debug, Clone, Trace, Finalize)] |
||||||
|
pub(crate) struct JsCustomTimeZone { |
||||||
|
tz: JsObject, |
||||||
|
} |
||||||
|
|
||||||
|
impl TzProtocol for JsCustomTimeZone { |
||||||
|
fn get_offset_nanos_for(&self, ctx: &mut dyn std::any::Any) -> TemporalResult<BigInt> { |
||||||
|
let context = ctx |
||||||
|
.downcast_mut::<Context>() |
||||||
|
.expect("Context was not provided for a CustomTz"); |
||||||
|
|
||||||
|
let method = self |
||||||
|
.tz |
||||||
|
.get(utf16!("getOffsetNanosFor"), context) |
||||||
|
.expect("Method must exist for the custom calendar to be valid."); |
||||||
|
|
||||||
|
let result = method |
||||||
|
.as_callable() |
||||||
|
.expect("is method") |
||||||
|
.call(&method, &[], context) |
||||||
|
.map_err(|e| TemporalError::general(e.to_string()))?; |
||||||
|
|
||||||
|
// TODO (nekevss): Validate that the below conversion is fine vs. matching to JsValue::BigInt()
|
||||||
|
let Some(bigint) = result.as_bigint() else { |
||||||
|
return Err(TemporalError::r#type() |
||||||
|
.with_message("Expected BigInt return from getOffsetNanosFor")); |
||||||
|
}; |
||||||
|
|
||||||
|
Ok(bigint.as_inner().clone()) |
||||||
|
} |
||||||
|
|
||||||
|
fn get_possible_instant_for( |
||||||
|
&self, |
||||||
|
ctx: &mut dyn std::any::Any, |
||||||
|
) -> TemporalResult<Vec<Instant>> { |
||||||
|
let _context = ctx |
||||||
|
.downcast_mut::<Context>() |
||||||
|
.expect("Context was not provided for a CustomTz"); |
||||||
|
|
||||||
|
// TODO: Implement once Instant has been migrated to `boa_temporal`'s Instant.
|
||||||
|
Err(TemporalError::range().with_message("Not yet implemented.")) |
||||||
|
} |
||||||
|
|
||||||
|
fn id(&self, ctx: &mut dyn std::any::Any) -> TemporalResult<String> { |
||||||
|
let context = ctx |
||||||
|
.downcast_mut::<Context>() |
||||||
|
.expect("Context was not provided for a CustomTz"); |
||||||
|
|
||||||
|
let ident = self |
||||||
|
.tz |
||||||
|
.__get__( |
||||||
|
&PropertyKey::from(utf16!("id")), |
||||||
|
JsValue::undefined(), |
||||||
|
&mut context.into(), |
||||||
|
) |
||||||
|
.expect("Method must exist for the custom calendar to be valid."); |
||||||
|
|
||||||
|
let JsValue::String(id) = ident else { |
||||||
|
return Err( |
||||||
|
TemporalError::r#type().with_message("Invalid custom Time Zone identifier type.") |
||||||
|
); |
||||||
|
}; |
||||||
|
|
||||||
|
Ok(id.to_std_string_escaped()) |
||||||
|
} |
||||||
|
} |
Loading…
Reference in new issue