diff options
Diffstat (limited to 'popperjs/package/lib/dom-utils/isScrollParent.js.flow')
-rw-r--r-- | popperjs/package/lib/dom-utils/isScrollParent.js.flow | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/popperjs/package/lib/dom-utils/isScrollParent.js.flow b/popperjs/package/lib/dom-utils/isScrollParent.js.flow new file mode 100644 index 0000000..0e12f95 --- /dev/null +++ b/popperjs/package/lib/dom-utils/isScrollParent.js.flow @@ -0,0 +1,8 @@ +// @flow +import getComputedStyle from './getComputedStyle'; + +export default function isScrollParent(element: HTMLElement): boolean { + // Firefox wants us to check `-x` and `-y` variations as well + const { overflow, overflowX, overflowY } = getComputedStyle(element); + return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX); +} |