feat: add isEmpty util function

[klmhyeonwoo]

Description

• isEmpty는 lodash에서 빈 값을 검증하기 위한 함수와 비슷한 유틸 함수예요
• Date나, Map, Set에 대한 부분은 사실 신경을 못쓰고 있었는데 어시스턴트로 엣지케이스를 알게되었네요..
• Symbol의 경우에는 Symbol.description을 통해 비교연산으로 리턴 값을 제공합니다.

[klmhyeonwoo]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	45.5%	76 / 167
🔵	Statements	45.5%	76 / 167
🔵	Functions	55%	11 / 20
🔵	Branches	80.39%	41 / 51

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
package/index.ts	0%	0%	0%	0%	1-6
package/commonUtil/index.ts	0%	0%	0%	0%	1
package/commonUtil/isEmpty/index.ts	100%	100%	100%	100%

Generated in workflow #21 for commit 7efa5c0 by the Vitest Coverage Report Action

[Copilot]

Pull Request Overview

This PR adds a new isEmpty utility function to the package, similar to lodash's isEmpty function for validating empty values. The implementation handles various data types including primitives, collections, and edge cases like Date objects, Map/Set, and Symbols.

• Adds isEmpty function with comprehensive type checking for null, undefined, numbers (including NaN), strings, arrays, objects, Date, Map, Set, and Symbol types
• Includes extensive test coverage with edge case handling
• Exports the new utility through a commonUtil module

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
package/index.ts	Exports the new commonUtil module
package/commonUtil/isEmpty/index.ts	Implements the isEmpty utility function with multi-type support
package/commonUtil/isEmpty/index.test.ts	Comprehensive test suite covering all supported types and edge cases
package/commonUtil/index.ts	Exports the isEmpty function from the commonUtil module

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[prgmr99]

되게 범용적인 isEmpty네요..!!! 활용도가 아주 좋을 것 같아요!