fix: enhance WIT validation and binding generation with source path s…

[GordonSmith]

…upport

• Updated generateBindingsFromWasm to accept an optional source path for improved context during binding generation.
• Modified validateWitSyntaxDetailedFromWasm to include source path for detailed validation.
• Introduced recursive file collection for WIT files in wasmUtils.ts to support local imports.
• Added tests for local import resolution and validation scenarios.
• Updated WIT interface definitions to reflect new parameters for validation and binding functions.
• Bumped dependencies in Cargo.lock and Cargo.toml for compatibility with new features.

Fixes Packages split across multiple files fail
Fixes #121

[Copilot]

Pull request overview

This PR fixes #121 by enhancing the extension’s WASM-backed WIT validation and binding generation to include a source path plus a set of sibling/dependency WIT files, enabling correct resolution for packages split across multiple files.

Changes:

• Extend the wit-validator WIT interface + Rust guest implementation to accept source-path and source-files-json for validation and binding generation.
• Update the extension runtime (src/wasmUtils.ts, src/validator.ts, src/extension.ts) to gather local WIT context (including deps/) and pass it into the WASM APIs.
• Add regression tests and fixtures covering local import resolution and multi-file package validation.

Reviewed changes

Copilot reviewed 12 out of 14 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
wit-bindgen-wasm/wit/wit-bindgen.wit	Adds optional source-path and source-files-json parameters to validator + binding generation functions.
wit-bindgen-wasm/src/lib.rs	Implements multi-file resolve loading via SourceMap and wires new params into validation/binding paths.
wit-bindgen-wasm/Cargo.toml	Updates toml build-dependency version.
wit-bindgen-wasm/Cargo.lock	Lockfile updates for Rust dependency changes.
src/wasmUtils.ts	Collects WIT files from the source directory (and deps/) and forwards them to the WASM validator/generator.
src/validator.ts	Passes file path into detailed validation for better resolution context.
src/extension.ts	Passes a source path into binding generation so local imports can be resolved during generation.
tests/wasmUtils.test.ts	Updates mocks/expectations for the new WASM API parameters.
tests/import-resolution.test.ts	Adds end-to-end tests for sibling import resolution using a temp WIT package.
tests/grammar/issue-121/wit/a.wit	Adds grammar fixture representing issue #121 multi-file package setup (file A).
tests/grammar/issue-121/wit/b.wit	Adds grammar fixture representing issue #121 multi-file package setup (file B).
tests/bindings-generation.test.ts	Updates binding generation calls to match new WASM function signature.
package.json	Updates dev toolchain dependencies and adds overrides for TypeScript resolution.
package-lock.json	Updates lockfile for the bumped JS toolchain dependencies.

[Copilot]

Pull request overview

Copilot reviewed 12 out of 14 changed files in this pull request and generated 3 comments.

[github-actions]

🎉 This change has been included in wit-idl-v0.3.31 🎉

The release is available on:

• GitHub releases: wit-idl: v0.3.31
• Visual Studio Marketplace: https://marketplace.visualstudio.com/items?itemName=bytecodealliance.wit-idl
• Open VSX Registry: https://open-vsx.org/extension/bytecodealliance/wit-idl

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