Updated code

Author: Pooja0504

lib/commons/dom/get-visible-child-text-rects-memoized.js renamed to lib/commons/dom/get-visible-child-text-rect.js

@@ -22,6 +22,7 @@ export { default as getTargetSize } from './get-target-size';
 export { default as getTextElementStack } from './get-text-element-stack';
 export { default as getViewportSize } from './get-viewport-size';
 export { default as getVisibleChildTextRects } from './get-visible-child-text-rects';
+export { default as getVisibleChildTextRect } from './get-visible-child-text-rect';
 export { default as hasContentVirtual } from './has-content-virtual';
 export { default as hasContent } from './has-content';
 export { default as hasLangText } from './has-lang-text';