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@joinbox/slide

v1.2.4

Published

Sets height in px on an element to allow for smooth CSS transitions

Downloads

229

Readme

Slide

Sets height in px on an element to allow for smooth CSS transitions (that do not work from/to auto).

Example

import slide from '@joinbox/slide';

const element = document.querySelector('.js-sliding-element');

// Sets height on element to current offsetHeight (in px), then to its scrollHeight; as soon as
// the transition is done, sets it to 'auto'
slide({ element });

// Sets width of element to its current offsetWidth (in px), then to 200px.
slide({ element, targetSize: 200, dimension: 'x' });

Details

  1. Sets height/width of the element to its current offset height/width
  2. Afterwards sets height/width of element to the desired target height/width; if no targetSize is specified, uses scroll height/width instead.
  3. If the final (offset) height/width (on transitionend) corresponds to the element's scroll height/width, its height/width is reset to 'auto' (to stay responsive)

Arguments

Pass all arguments as an object.

  • element (required, HTMLElement): The HTML element whose height/width should be updated
  • dimension (optional, String): Either 'x' (to update the element's width) or 'y' (to update the element's height). Defaults to 'y'.
  • targetSize (optional, Number): A number; will be used to set the element's height/width to the provided size. If argument is not passed, the element's scroll width/height will be used.
  • onEnd (optional, Function): Function that will be called once the transition ends.