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rootMargin not working until after the first time intersecting

See original GitHub issue

Bug Report

Describe the Bug

The rootMargin is being ignore until after the first time the IntersectionObserver fires isIntersecting.

How to Reproduce

Steps to reproduce the behavior, please provide code snippets or a repository:

  1. Provide custom rootMargin and custom ref
  2. Scroll down
  3. Observe the isIntersecting is false until the element is visible.
  4. Scroll down again
  5. Observe the isIntersecting is true at the expected rootMargin

CodeSandbox Link

https://codesandbox.io/s/react-cool-inviewissues495-0g4yk

Expected Behavior

Should respect the rootMargin on the initial scroll

Screenshots

image

Your Environment

  • Device: MacBook Pro
  • OS: macOS X
  • Browser: Chrome
  • Version: v1.2.2

Issue Analytics

  • State:closed
  • Created 2 years ago
  • Comments:9 (5 by maintainers)

github_iconTop GitHub Comments

1reaction
wellyshencommented, Apr 4, 2021

@stramel Thank you bro, your issues really helpful.

1reaction
stramelcommented, Apr 4, 2021

Going to close this issue in favor of a new one to show the other issues that I have found with scrollDirection and inView.

Read more comments on GitHub >

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