size: add utf16.browser impl

[ChALkeR]

Under 1 KiB gzipped

[Copilot]

Pull request overview

Adds a browser-targeted UTF-16 implementation and wires it into package resolution so bundlers can pick a smaller browser build.

Changes:

• Added utf16.browser.js implementation that decodes via TextDecoder and encodes via the existing JS fallback encoder.
• Updated package.json files, exports, and browser mappings to route browser consumers to utf16.browser.js.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
utf16.browser.js	New browser-specific UTF-16 encode/decode implementation (TextDecoder-based decode).
package.json	Exposes and aliases the new browser entrypoint via exports and the legacy browser field.

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[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

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[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

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[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated no new comments.

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