SaltyCrane Blog — Notes on Javascript and web development

Flow type cheat sheet

Flow is a static type checker for Javascript. This is a list of Flow types generated from the source code in The script to generate this list is on github. Fixes welcome.

Note: I created a separate section for "private" or "magic" types with a $ in the name. See the note here and comment here. Update: Some these types are now documented here.

Flow version: v0.44.1


Document Object Model (DOM)

Document Object Model (DOM) "private" types

Browser Object Model (BOM)

Browser Object Model (BOM) "private" types

CSS Object Model (CSSOM)



Node.js "private" types