fix(isNumber)!: return true for NaN values

[MarlonPassos-git]

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Summary

This PR updates the isNumber function to return true for NaN values, Resolve #74

Related issue, if any:

sodiray/radash#405
https://github.com/orgs/radashi-org/discussions/74

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

Does this PR introduce a breaking change?

Yes

Bundle impact

Status	File	Size 1	Difference
M	src/typed/isNumber.ts	63	-18 (-22%)

Footnotes

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

[radashi-bot]

Benchmark Results

Name	Current	Baseline	Change
isFloat ▶︎ with non-number value	3,537,434.79 ops/sec ±0.58%	4,293,680.39 ops/sec ±0.07% 🔗	🐢 -17.61%
isFloat ▶︎ with integer	2,237,762.19 ops/sec ±0.06%	4,131,841.35 ops/sec ±0.06% 🔗	🐢 -45.84%
isFloat ▶︎ with float	2,235,520.67 ops/sec ±0.05%	3,995,665.72 ops/sec ±0.07% 🔗	🐢 -44.05%
isNumber ▶︎ with null	4,050,090.9 ops/sec ±0.09%	5,110,241.33 ops/sec ±0.33% 🔗	🐢 -20.75%
isNumber ▶︎ with integer	4,341,285.61 ops/sec ±0.06%	2,708,845.48 ops/sec ±0.07% 🔗	🚀 +60.26%
isNumber ▶︎ with float	4,556,382.9 ops/sec ±0.11%	2,709,111.28 ops/sec ±0.06% 🔗	🚀 +68.19%
isNumber ▶︎ with non-number	4,455,833.15 ops/sec ±0.07%	5,166,013.93 ops/sec ±0.14% 🔗	🐢 -13.75%

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.