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Diffstat (limited to 'popperjs/package/lib/dom-utils/getWindow.js.flow')
-rw-r--r-- | popperjs/package/lib/dom-utils/getWindow.js.flow | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/popperjs/package/lib/dom-utils/getWindow.js.flow b/popperjs/package/lib/dom-utils/getWindow.js.flow new file mode 100644 index 0000000..ff38250 --- /dev/null +++ b/popperjs/package/lib/dom-utils/getWindow.js.flow @@ -0,0 +1,16 @@ +// @flow +import type { Window } from '../types'; +declare function getWindow(node: Node | Window): Window; + +export default function getWindow(node) { + if (node == null) { + return window; + } + + if (node.toString() !== '[object Window]') { + const ownerDocument = node.ownerDocument; + return ownerDocument ? ownerDocument.defaultView || window : window; + } + + return node; +} |