build(deps): bump wasm-bindgen from 0.2.100 to 0.2.121 in /frb_example/pure_dart/rust

[dependabot]

Bumps wasm-bindgen from 0.2.100 to 0.2.121.

Release notes

Sourced from wasm-bindgen's releases.

0.2.121

Added

• Added the slice_to_array attribute for imported JS functions, which makes a &[T] (or Option<&[T]>) argument arrive on the JS side as a plain Array rather than a typed array — without changing the Rust-side &[T] signature. Useful when binding JS APIs that take T[] rather than TypedArray<T>. For primitive element kinds the wire is the same zero-copy borrow used by plain &[T], with the JS-side shim wrapping the view in Array.from(...) to materialise the Array — no extra allocation. For String, JsValue, and JS-imported element types the Rust side builds a fresh [u32] index buffer that JS reads and frees, with per-element &T -> JsValue (refcount bump for handle-shaped types). No T: Clone bound is required. The attribute can be set per-fn (#[wasm_bindgen(slice_to_array)] fn ...) or per-block on an extern "C" { ... } declaration to apply to every imported function in that block. &[ExportedRustStruct] remains unsupported (use owned Vec<T> for that). Has no effect on exported functions; default &[T] (typed-array view / memory borrow) and owned Vec<T> semantics are unchanged for callers that didn't opt in. See the slice_to_array guide page. #5145

• Added js_sys::AggregateError bindings (constructor, errors getter, and new_with_message / new_with_options overloads). AggregateError represents multiple unrelated errors wrapped in a single error, e.g. as thrown by Promise.any when all input promises reject, along with js_sys::ErrorOptions, accepted by built-in error constructors. ErrorOptions::new(cause) constructs an instance pre-populated with cause, and get_cause / set_cause provide typed access to the property. All standard error constructors that previously took only a message (EvalError, RangeError, ReferenceError, SyntaxError, TypeError, URIError, WebAssembly.CompileError, WebAssembly.LinkError, WebAssembly.RuntimeError) now expose a new_with_options(message, &ErrorOptions) overload, and Error gains new_with_error_options(message, &ErrorOptions) alongside the existing untyped new_with_options. AggregateError::new_with_options also takes &ErrorOptions. #5139

• Added inheritance for Rust-exported types: an exported struct may declare #[wasm_bindgen(extends = Parent)] to inherit from another exported #[wasm_bindgen] struct. The macro injects a hidden parent: wasm_bindgen::Parent<Parent> field (a refcounted cell around the parent value) and emits class Child extends Parent in the generated JS / .d.ts. The child gets an AsRef<Parent<Parent>> impl for the direct parent, and threads per-class pointer slots through the wasm ABI so that instanceof Parent is true and parent methods

... (truncated)

Changelog

Sourced from wasm-bindgen's changelog.

0.2.121

Added

• Added the slice_to_array attribute for imported JS functions, which makes a &[T] (or Option<&[T]>) argument arrive on the JS side as a plain Array rather than a typed array — without changing the Rust-side &[T] signature. Useful when binding JS APIs that take T[] rather than TypedArray<T>. For primitive element kinds the wire is the same zero-copy borrow used by plain &[T], with the JS-side shim wrapping the view in Array.from(...) to materialise the Array — no extra allocation. For String, JsValue, and JS-imported element types the Rust side builds a fresh [u32] index buffer that JS reads and frees, with per-element &T -> JsValue (refcount bump for handle-shaped types). No T: Clone bound is required. The attribute can be set per-fn (#[wasm_bindgen(slice_to_array)] fn ...) or per-block on an extern "C" { ... } declaration to apply to every imported function in that block. &[ExportedRustStruct] remains unsupported (use owned Vec<T> for that). Has no effect on exported functions; default &[T] (typed-array view / memory borrow) and owned Vec<T> semantics are unchanged for callers that didn't opt in. See the slice_to_array guide page. #5145

• Added js_sys::AggregateError bindings (constructor, errors getter, and new_with_message / new_with_options overloads). AggregateError represents multiple unrelated errors wrapped in a single error, e.g. as thrown by Promise.any when all input promises reject, along with js_sys::ErrorOptions, accepted by built-in error constructors. ErrorOptions::new(cause) constructs an instance pre-populated with cause, and get_cause / set_cause provide typed access to the property. All standard error constructors that previously took only a message (EvalError, RangeError, ReferenceError, SyntaxError, TypeError, URIError, WebAssembly.CompileError, WebAssembly.LinkError, WebAssembly.RuntimeError) now expose a new_with_options(message, &ErrorOptions) overload, and Error gains new_with_error_options(message, &ErrorOptions) alongside the existing untyped new_with_options. AggregateError::new_with_options also takes &ErrorOptions. #5139

• Added inheritance for Rust-exported types: an exported struct may declare #[wasm_bindgen(extends = Parent)] to inherit from another exported #[wasm_bindgen] struct. The macro injects a hidden parent: wasm_bindgen::Parent<Parent> field (a refcounted cell around the parent value) and emits class Child extends Parent in the generated JS / .d.ts. The child gets an AsRef<Parent<Parent>> impl for the direct parent, and threads per-class pointer slots through

... (truncated)

Commits

• 49457f2 Loosen JsFuture<T> bound to support Promise<Union> (#5149)
• e755d21 release: 0.2.121 - schema bump (#5148)
• 1cb17ad Release 0.2.121
• 2064570 Fix slice_to_array erroring on non-slice args of slice_to_array fns (#5146)
• dfefda7 Fix panic unwind bundler js (#5142)
• 12646be Add slice_to_array attribute for plain-Array slice imports (#5145)
• f4706e3 feat: support union types with Rust enums (#4734)
• b75c754 feat: inheritance for Rust-exported types via #[wasm_bindgen(extends = ...)] ...
• b259436 Support raw identifiers for enums, enum variants, extern types, and impls (#4...
• b7ffebc Update experimental ViewTransition interface (#5138)
• Additional commits viewable in compare view

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