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detect-element-overflow

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detect-element-overflow

A function that tells you whether a given element is overflowing its container or not. Useful for creating dropdowns and tooltips.


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Detect-Element-Overflow

A function that tells you whether a given element is overflowing its container or not. Useful for creating dropdowns and tooltips.

tl;dr

  • Install by executing npm install detect-element-overflow or yarn add detect-element-overflow.
  • Import by adding import detectElementOverflow from 'detect-element-overflow'.
  • Do stuff with it!
    const collisions = detectElementOverflow(child, parent);
    

User guide

Detect-Element-Overflow returns an object with getter functions described below.

Attribute nameDescriptionExample values
collidedTopWhether or not the child element collided with the top parent's border.true
collidedBottomWhether or not the child element collided with the bottom parent's border.true
collidedLeftWhether or not the child element collided with the left parent's border.true
collidedRightWhether or not the child element collided with the right parent's border.true
overflowTopHow many pixels of the child have crossed the top parent's border. Negative values specify how many pixels are between the child and the top parent's border.20, -15
overflowBottomHow many pixels of the child have crossed the bottom parent's border. Negative values specify how many pixels are between the child and the bottom parent's border.20, -15
overflowLeftHow many pixels of the child have crossed the left parent's border. Negative values specify how many pixels are between the child and the left parent's border.20, -15
overflowRightHow many pixels of the child have crossed the right parent's border. Negative values specify how many pixels are between the child and the right parent's border.20, -15

License

The MIT License.

Author

Wojciech Maj Wojciech Maj

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Last updated on 18 Oct 2023

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