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## How_Require_Extensions_Work.md

      
        
          
            
              
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                safizn
                / How_Require_Extensions_Work.md
            
            
              Created
              January 6, 2019 13:44
                — forked from jamestalmage/How_Require_Extensions_Work.md
            
              
                Breakdown of How Require Extensions Work
              
          
        
      
        
  
      
    Why

Doing require extensions correctly is essential, because:

Users should be able to install multiple extensions in succession, and have them work together.
Coverage tools like nyc need it to reliably supply coverage information that takes into account sourcemaps from upstream transforms.
Because non-standard, un-predictable behavior causes hard to solve bugs, and major headaches for project maintainers.

What is a require extension anyways?