Edit File: getBordersSize.js
/* * Helper to detect borders of a given element * @method * @memberof Popper.Utils * @param {CSSStyleDeclaration} styles * Result of `getStyleComputedProperty` on the given element * @param {String} axis - `x` or `y` * @return {number} borders - The borders size of the given axis */ export default function getBordersSize(styles, axis) { const sideA = axis === 'x' ? 'Left' : 'Top'; const sideB = sideA === 'Left' ? 'Right' : 'Bottom'; return ( parseFloat(styles[`border${sideA}Width`]) + parseFloat(styles[`border${sideB}Width`]) ); }
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