feat: add isEmptyRecord function

[aleclarson]

Summary

Adds the isEmptyRecord function to check if a plain object has 0 own keys.

Related issue, if any:

https://github.com/orgs/radashi-org/discussions/356

For any code change,

• Related documentation has been updated, if needed
• Related tests have been added or updated, if needed
• Related benchmarks have been added or updated, if needed
• Release notes in .github/next-minor.md or .github/next-major.md have been added, if needed

Does this PR introduce a breaking change?

No

Bundle impact

Status	File	Size 1
A	src/object/isEmptyRecord.ts	120

Footnotes

1. Function size includes the import dependencies of the function. ↩

[radashi-bot]

Benchmark Results

Name	Current
isEmptyRecord: empty object	4,770,844.66 ops/sec ±0.13%
isEmptyRecord: object with one property	2,387,765.67 ops/sec ±0.09%
isEmptyRecord: object with multiple properties	2,383,043.41 ops/sec ±0.09%
isEmptyRecord: empty object	2,982,509.25 ops/sec ±0.25%
isEmptyRecord: object with one property	2,980,672.21 ops/sec ±0.09%

Performance regressions of 30% or more should be investigated, unless they were anticipated. Smaller regressions may be due to normal variability, as we don't use dedicated CI infrastructure.