1 files changed, 40 insertions, 0 deletions
diff --git a/popperjs/package/dist/esm/dom-utils/getViewportRect.js b/popperjs/package/dist/esm/dom-utils/getViewportRect.js
new file mode 100644
index 0000000..8912df5
--- /dev/null
+++ b/popperjs/package/dist/esm/dom-utils/getViewportRect.js
@@ -0,0 +1,40 @@
+import getWindow from "./getWindow.js";
+import getDocumentElement from "./getDocumentElement.js";
+import getWindowScrollBarX from "./getWindowScrollBarX.js";
+export default function getViewportRect(element) {
+  var win = getWindow(element);
+  var html = getDocumentElement(element);
+  var visualViewport = win.visualViewport;
+  var width = html.clientWidth;
+  var height = html.clientHeight;
+  var x = 0;
+  var y = 0; // NB: This isn't supported on iOS <= 12. If the keyboard is open, the popper
+  // can be obscured underneath it.
+  // Also, `html.clientHeight` adds the bottom bar height in Safari iOS, even
+  // if it isn't open, so if this isn't available, the popper will be detected
+  // to overflow the bottom of the screen too early.
+
+  if (visualViewport) {
+    width = visualViewport.width;
+    height = visualViewport.height; // Uses Layout Viewport (like Chrome; Safari does not currently)
+    // In Chrome, it returns a value very close to 0 (+/-) but contains rounding
+    // errors due to floating point numbers, so we need to check precision.
+    // Safari returns a number <= 0, usually < -1 when pinch-zoomed
+    // Feature detection fails in mobile emulation mode in Chrome.
+    // Math.abs(win.innerWidth / visualViewport.scale - visualViewport.width) <
+    // 0.001
+    // Fallback here: "Not Safari" userAgent
+
+    if (!/^((?!chrome|android).)*safari/i.test(navigator.userAgent)) {
+      x = visualViewport.offsetLeft;
+      y = visualViewport.offsetTop;
+    }
+  }
+
+  return {
+    width: width,
+    height: height,
+    x: x + getWindowScrollBarX(element),
+    y: y
+  };
+}
+\ No newline at end of file