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Guarantee static_method_of uses the right this (#1795)

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This came up during #1760 where `Promise.resolve` must be invoked with
`this` as the `Promise` object, but we were erroneously importing it in
such a way that it didn't have a shim and `this` was `undefined`.
This commit is contained in:
Alex Crichton
2019-09-26 12:33:04 -05:00
committed by GitHub
parent 025b1d8bca
commit 0b1a764f8a
6 changed files with 32 additions and 2 deletions
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7
crates/cli-support/src/webidl/mod.rs
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@ -278,6 +278,10 @@ pub enum AuxImport {
/// imported
Value(AuxValue),
/// A static method on a class is being imported, and the `this` of the
/// function call is expected to always be the class.
ValueWithThis(JsImport, String),
/// This import is expected to be a function that takes an `anyref` and
/// returns a `bool`. It's expected that it tests if the argument is an
/// instance of (using `instanceof`) the name specified.
@ -950,8 +954,7 @@ impl<'a> Context<'a> {
match op.kind {
decode::OperationKind::Regular => {
if op.is_static {
class.fields.push(function.name.to_string());
Ok((AuxImport::Value(AuxValue::Bare(class)), false))
Ok((AuxImport::ValueWithThis(class, function.name.to_string()), false))
} else if structural {
Ok((
AuxImport::StructuralMethod(function.name.to_string()),