Migrate /numbers to TS part 1

[quietbits]

• Migrated int128, int256, uint128, and uint256 files to TS.
• Added tests for the above files.
• Added local type declarations of @stellar/js-xdr and updated tsconfig to use them.

[github-actions]

Size Change: -137 B (0%)

Total Size: 3.51 MB

Filename	Size	Change
dist/stellar-base.js	2.59 MB	-137 B (-0.01%)

ℹ️ View Unchanged

Filename	Size
dist/stellar-base.min.js	920 kB

_{compressed-size-action}

[Copilot]

Pull request overview

Migrates the first set of large integer number helpers under /numbers to TypeScript, adding local @stellar/js-xdr typings to unblock TS typechecking during the broader JS→TS transition.

Changes:

• Converted int128, int256, uint128, uint256 implementations to typed TS signatures.
• Added new Vitest unit tests covering constructors, boundaries, parsing, and conversions for the migrated types.
• Added a local @stellar/js-xdr declaration package and updated tsconfig to load local typings via typeRoots.

Reviewed changes

Copilot reviewed 9 out of 14 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
types/stellar__js-xdr/index.d.ts	Adds local ambient typings for @stellar/js-xdr during migration.
tsconfig.base.json	Configures typeRoots so the local typings directory is used by TS.
src/numbers/uint256.ts	Adds TS annotations to the Uint256 wrapper.
src/numbers/uint128.ts	Adds TS annotations to the Uint128 wrapper.
src/numbers/int256.ts	Adds TS annotations to the Int256 wrapper.
src/numbers/int128.ts	Adds TS annotations to the Int128 wrapper.
test/unit/numbers/uint256.test.ts	Introduces Vitest coverage for Uint256 behavior.
test/unit/numbers/uint128.test.ts	Introduces Vitest coverage for Uint128 behavior.
test/unit/numbers/int256.test.ts	Introduces Vitest coverage for Int256 behavior.
test/unit/numbers/int128.test.ts	Introduces Vitest coverage for Int128 behavior.
type_validation/numbers/uint256.d.ts	Adds/updates emitted declaration for Uint256.
type_validation/numbers/uint128.d.ts	Adds/updates emitted declaration for Uint128.
type_validation/numbers/int256.d.ts	Adds/updates emitted declaration for Int256.
type_validation/numbers/int128.d.ts	Adds/updates emitted declaration for Int128.

Comments suppressed due to low confidence (1)

src/numbers/int128.ts:8

• JSDoc tag spacing is inconsistent with the other migrated number types (@param args ...). Consider normalizing this to @param args ... for consistency.

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[Copilot]

Pull request overview

Copilot reviewed 9 out of 14 changed files in this pull request and generated no new comments.

Comments suppressed due to low confidence (1)

src/numbers/int128.ts:8

• JSDoc @param tag has an extra space (@param args) which is inconsistent with the other migrated number classes in this PR. Consider normalizing to @param args to keep generated docs consistent.

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[Ryang-21]

Nice find on the typeRoots field