chore: enable `isolatedDeclarations` · hi-ogawa/js-utils@540fb29

Variable must have an explicit type annotation with --isolatedDeclarations.

Function must have an explicit return type annotation with --isolatedDeclarations.

Function must have an explicit return type annotation with --isolatedDeclarations.

Function must have an explicit return type annotation with --isolatedDeclarations.

Function must have an explicit return type annotation with --isolatedDeclarations.

Function must have an explicit return type annotation with --isolatedDeclarations.

Process completed with exit code 1.

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