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author | Starfall <us@starfall.systems> | 2022-11-10 08:50:11 -0600 |
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committer | Starfall <us@starfall.systems> | 2022-11-10 08:50:11 -0600 |
commit | 67d1a0476d77e2ed0ca15dd2981c54c2b90b0742 (patch) | |
tree | 152f8c13a341d76738e8e2c09b24711936e6af68 /app/javascript/flavours/glitch/utils/scrollbar.js | |
parent | b581e6b6d4a5ba9ed4ae17427b7f2d5d158be4e5 (diff) | |
parent | ee7e49d1b1323618e16026bc8db8ab7f9459cc2d (diff) |
Merge remote-tracking branch 'glitch/main'
- Remove Helm charts - Lots of conflicts with our removal of recommended settings and custom icons
Diffstat (limited to 'app/javascript/flavours/glitch/utils/scrollbar.js')
-rw-r--r-- | app/javascript/flavours/glitch/utils/scrollbar.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/utils/scrollbar.js b/app/javascript/flavours/glitch/utils/scrollbar.js new file mode 100644 index 000000000..929b036d6 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/scrollbar.js @@ -0,0 +1,34 @@ +/** @type {number | null} */ +let cachedScrollbarWidth = null; + +/** + * @return {number} + */ +const getActualScrollbarWidth = () => { + const outer = document.createElement('div'); + outer.style.visibility = 'hidden'; + outer.style.overflow = 'scroll'; + document.body.appendChild(outer); + + const inner = document.createElement('div'); + outer.appendChild(inner); + + const scrollbarWidth = outer.offsetWidth - inner.offsetWidth; + outer.parentNode.removeChild(outer); + + return scrollbarWidth; +}; + +/** + * @return {number} + */ +export const getScrollbarWidth = () => { + if (cachedScrollbarWidth !== null) { + return cachedScrollbarWidth; + } + + const scrollbarWidth = getActualScrollbarWidth(); + cachedScrollbarWidth = scrollbarWidth; + + return scrollbarWidth; +}; |