Switch to tshy, vitest & Biome

[fb55]

No description provided.

[Copilot]

Pull Request Overview

This PR switches the project’s testing and build toolchain from Jest to Vitest, adopts tshy for building, and configures Biome for linting and formatting. Key changes include updated configuration files (vitest.config.ts, package.json, biome.json), adjusted source and test file imports to use explicit .js extensions for ESM support, and revisions to test code and helper files for improved style consistency and tool compatibility.

Reviewed Changes

Copilot reviewed 29 out of 32 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
vitest.config.ts	New Vitest configuration with V8 coverage and node environment.
test/tools/sizzle-testinit.ts	Updated imports and document loading logic for consistency.
test/tools/helper.ts	Minor changes to import order and format.
test/sizzle.ts, test/qwery.ts, test/pseudo-classes.ts	Updated for block-style loop formatting and Vitest imports.
test/nwmatcher.ts, test/attributes.ts	Adjusted to use explicit module imports and block formatting.
src/* (various source files)	Import adjustments, brace-enclosed conditions, and stylistic tweaks.
package.json, biome.json, .github/workflows/nodejs-test.yml	Updated build, lint, and test scripts with new tools and ESM paths.
.eslintrc.json, .eslintignore, .prettierignore	Removed ESLint config and ignore files in favor of Biome.

[coveralls]

coverage: 99.68% (+3.3%) from 96.345%
when pulling 31cdb0a on vitest-biome-tshy
into b3f14ec on master.