Word.ws English Dictionary

barrel file

barrel file noun: a JavaScript or TypeScript module which does nothing except import various files and then export them together, for the convenience of other developers who only need to know about and work with that single barrel file.

Noun

barrel file (plural barrel files)

  1. A JavaScript or TypeScript module which does nothing except import various files and then export them together, for the convenience of other developers who only need to know about and work with that single barrel file.
    • The first thing you want to do to build your framework is export the functions that you want to expose to the developer using it from the src/index.js barrel file. Whatever you export from this file makes the public API of the framework.2024, Ángel Sola Orbaiceta, Build a Frontend Web Framework (From Scratch), Shelter Island, N.Y.: Manning Publications Co., →ISBN, page 111

Forms of barrel file

pluralbarrel files

Questions about barrel file

What does barrel file mean?
Barrel file means a JavaScript or TypeScript module which does nothing except import various files and then export them together, for the convenience of other developers who only need to know about and work with that single barrel file.
What part of speech is barrel file?
Barrel file is a noun.
What is the plural of barrel file?
The plural of barrel file is barrel files.

Words near barrel file in the dictionary

  1. barrel children
  2. barrel distortion
  3. barrel drum
  4. barrel drums
  5. barrel fever
  6. barrel file
  7. barrel files
  8. barrel head
  9. barrel heads
  10. barrel helm
  11. barrel helms

Source and license

Adapted from Wiktionary: barrel file (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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