refactor: rename mod.ts to index.ts, + misc improvements

[nberlette]

Closes #12.

Changes

• refactor: rename mod.ts to src/index.ts
• refactor: use inline jsr imports for test utils
• refactor(float16): rename entrypoint from mod.ts to index.ts
• refactor(float32): rename entrypoint from mod.ts to index.ts
• refactor(guards): rename entrypoint from mod.ts to index.ts
• refactor(types): rename entrypoint from mod.ts to index.ts
• refactor(constants): switch to index.ts, clean up imports
• refactor(Imports): update index and deno.json
• refactor(ieee754): update float16 and float32 specifiers
• tests: update imports in trigonometry test
• feat: add default export to root module
• fix(tests): update doctest imports in exp module
• refactor(guards): improve imports and docs
• refactor(float16): improve imports and exports
• refactor(float32): improve fround and float32 imports

[Copilot]

Pull request overview

This PR refactors the codebase to use index.ts instead of mod.ts as module entrypoints, aligning with modern JavaScript/TypeScript conventions. The changes also include improvements to documentation, inline JSR imports for test utilities, and refactoring of the float16/float32 encode/decode functions to use shared configuration objects.

Changes:

• Renamed all mod.ts files to index.ts across the codebase (root, constants, guards, types, float16, float32)
• Updated test files to use inline JSR import specifiers instead of import map
• Refactored float16/float32 encode/decode functions to use default exported configuration objects
• Improved documentation and added missing @tags annotations in guard functions

Reviewed changes

Copilot reviewed 27 out of 31 changed files in this pull request and generated 9 comments.

Show a summary per file

File	Description
src/index.ts	New main entry point with all exports; replaces root mod.ts
src/types/index.ts	New types module entry point
src/guards/index.ts	New guards module entry point with improved documentation
src/guards/safe_integer.ts	Updated implementation to inline integer check; added documentation notes
src/guards/integer.ts	Added isNumberInteger function; improved documentation
src/guards/negative_infinity.ts	Fixed category from "Arithmetic" to "Guards"; added @tags
src/guards/positive_infinity.ts	Added @tags annotation
src/constants/index.ts	New constants module entry point
src/float16/index.ts	New float16 module entry point
src/float16/constants.ts	Changed bit counts to hex notation; added default export object
src/float16/encode.ts	Simplified to use default config object
src/float16/decode.ts	Simplified to use default config object
src/float16/round.ts	Updated import aliases; improved doctest example
src/float32/index.ts	New float32 module entry point
src/float32/constants.ts	Changed bit count to hex notation; added default export object
src/float32/encode.ts	Simplified to use default config object
src/float32/decode.ts	Simplified to use default config object
src/float32/round.ts	Improved doctest example (though with a bug)
src/ieee754.ts	Updated imports to use new index.ts paths
src/f16round.ts	Simplified to call roundFloat16 directly
src/fround.ts	Simplified to call roundFloat32 directly
src/sin.ts	Updated imports to individual constant files
src/asin.ts	Updated imports to individual constant files
src/acosh.ts	Updated imports to individual constant files
src/exp.ts	Updated doctest to use node:assert
src/trigonometry.test.ts	Updated to use inline JSR imports and new index.ts path
src/random.test.ts	Updated to use inline JSR imports
src/constants.test.ts	Updated to use inline JSR imports and new index.ts path
mod.ts	Deleted root entry point (moved to src/index.ts)
deno.json	Updated all exports to point to index.ts files; removed imports section; added lint config

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