feat: add unit tests and benchmark for isMap

[umsungjun]

• Added isMap.test.ts for verifying functionality
• Added isMap.bench.ts for performance comparison with lodash

[github-actions]

✅ All utility modules are properly registered in index.ts and package.json exports!

[github-actions]

Benchmark Results

Method	Test	Performance Comparison	hidash ops/sec	lodash@4.17.21 ops/sec
isMap	src/isMap.bench.ts > isMap performance	hidash is 3.03x faster	2437.13 🏆	803.12

Note: Higher operations per second (ops/sec) numbers are better. Each test compares hidash vs lodash implementation.

⚠️ indicates where hidash is slower than lodash.

🏆 indicates the faster implementation.

View Full Benchmark Data

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              "rank": 1,
              "rme": 1.1493624260168982,
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              "totalTime": 500.17797800000045,
              "min": 0.36975100000000793,
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              "variance": 0.007057441317198361,
              "sd": 0.08400857883096441,
              "sem": 0.002406144942468347,
              "df": 1218,
              "critical": 1.96,
              "moe": 0.00471604408723796,
              "p75": 0.3979030000000421,
              "p99": 0.8317130000000361,
              "p995": 0.841731999999979,
              "p999": 0.9500239999999849,
              "sampleCount": 1219,
              "median": 0.3875439999999344
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              "min": 1.2026070000000573,
              "max": 2.129287999999974,
              "hz": 803.1216435271505,
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              "variance": 0.0037673788712057122,
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              "sem": 0.003061305151704907,
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Last updated by GitHub Actions

[yujeong-jeon]

The number of iterations is all 1000 :) It is easier to test with the size of the test dataset than with a large number of iterations.

[umsungjun]

Thank you for the feedback!

I’ve updated the number of iterations from 10,000 to 1,000 as you suggested, to align with the existing convention.

[umsungjun]

[yujeong-jeon]

Thank you for contributing to the generation of test codes 👍👍