fix(bindgen): add remaining stream lift tests

Author: vados-cosmonic

crates/js-component-bindgen/src/intrinsics/lift.rs

@@ -963,10 +963,25 @@ impl LiftIntrinsic {
             Self::LiftFlatOwn => {
                 let debug_log_fn = Intrinsic::DebugLog.name();
                 let lift_flat_own_fn = self.name();
-                output.push_str(&format!(r#"
-                    function {lift_flat_own_fn}(componentTableIdx, size, memory, vals, storagePtr, storageLen) {{
-                        {debug_log_fn}('[{lift_flat_own_fn}()] args', {{ size, memory, vals, storagePtr, storageLen }});
-                        throw new Error('flat lift for owned resources not yet implemented!');
+                let lift_flat_u32_fn = Self::LiftFlatU32.name();
+
+                output.push_str(&format!(
+                    r#"
+                    function {lift_flat_own_fn}(meta) {{
+                        const {{ className, createResourceFn, componentIdx }} = meta;
+
+                        return function {lift_flat_own_fn}Inner(ctx) {{
+                            {debug_log_fn}('[{lift_flat_own_fn}()] args', {{ ctx, className }});
+
+                            if (ctx.componentIdx !== componentIdx) {{
+                                throw new Error('invalid component for resource lift');
+                            }}
+
+                            const [handle, newCtx] = {lift_flat_u32_fn}(ctx);
+                            const resource = createResourceFn(handle);
+
+                            return [resource, newCtx];
+                        }}
                     }}
                 "#
                 ));
@@ -978,7 +993,7 @@ impl LiftIntrinsic {
                 output.push_str(&format!("
                     function {lift_flat_borrow_fn}(componentTableIdx, size, memory, vals, storagePtr, storageLen) {{
                         {debug_log_fn}('[{lift_flat_borrow_fn}()] args', {{ size, memory, vals, storagePtr, storageLen }});
-                        throw new Error('flat lift for borrowed resources not yet implemented!');
+                        throw new Error('flat lift for borrowed resources is not supported!');
                     }}
                 "));
             }

crates/js-component-bindgen/src/intrinsics/mod.rs

@@ -563,7 +563,11 @@ impl Intrinsic {
                                 }} else {{
                                     let currentCount = count;
                                     let startPtr = this.#ptr;
-                                    let liftCtx = {{ storagePtr: startPtr, memory: this.#memory }};
+                                    let liftCtx = {{
+                                        storagePtr: startPtr,
+                                        memory: this.#memory,
+                                        componentIdx: this.#componentIdx,
+                                    }};
                                     if (currentCount < 0) {{ throw new Error('unexpectedly invalid count'); }}
                                     while (currentCount > 0) {{
                                         const [value, _ctx] = this.#elemMeta.liftFn(liftCtx);
@@ -600,6 +604,7 @@ impl Intrinsic {
                                         startPtr += this.#elemMeta.lowerFn({{
                                             memory: this.#memory,
                                             storagePtr: startPtr,
+                                            componentIdx: this.#componentIdx,
                                             vals: [v],
                                         }});
                                     }}

crates/js-component-bindgen/src/lib.rs

@@ -1,4 +1,3 @@
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 use std::collections::HashSet;
 
 use anyhow::{Context as _, Result, anyhow, bail, ensure};