swc-project/swc · error

flow types

Error message

flow types

What it means

Error "flow types" thrown in swc-project/swc.

Source

Thrown at crates/swc_estree_compat/src/swcify/expr.rs:739

    type Output = TaggedTpl;

    fn swcify(self, ctx: &Context) -> Self::Output {
        TaggedTpl {
            span: ctx.span(&self.base),
            tag: self.tag.swcify(ctx),
            type_params: self.type_parameters.swcify(ctx).map(From::from),
            tpl: Box::new(self.quasi.swcify(ctx)),
            ..Default::default()
        }
    }
}

impl Swcify for TaggedTemplateExprTypeParams {
    type Output = TsTypeParamInstantiation;

    fn swcify(self, ctx: &Context) -> Self::Output {
        match self {
            TaggedTemplateExprTypeParams::Flow(_) => unimplemented!("flow types"),
            TaggedTemplateExprTypeParams::TS(v) => v.swcify(ctx),
        }
    }
}

impl Swcify for YieldExpression {
    type Output = YieldExpr;

    fn swcify(self, ctx: &Context) -> Self::Output {
        YieldExpr {
            span: ctx.span(&self.base),
            arg: self.argument.swcify(ctx),
            delegate: self.delegate,
        }
    }
}

impl Swcify for AwaitExpression {

View on GitHub (pinned to d7d7434666)

When it happens

Trigger: Thrown at crates/swc_estree_compat/src/swcify/expr.rs:739 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of swc-project/swc@d7d7434666 (2026-08-16). Data as JSON: /api/errors/fae2be4690a4fbb1. Report an issue: GitHub.