# All files / src/logic getAspectRatio.js

100% Statements 4/4
83.33% Branches 5/6
100% Functions 1/1
100% Lines 4/4

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25

    28x
    28x
    28x

    28x

     // @flow

    export default function getAspectRatio({
      height = 0,
      width = 0,
      applyAspectRatio,
    }: {
      height?: number,
      width?: number,
      applyAspectRatio?: boolean,
    }) {
      const aspectRatio = parseInt(height, 10) / parseInt(width, 10);
      const shouldUseAspectRatio = applyAspectRatio && !Number.isNaN(aspectRatio);
      const aspectRatioStyle = {
        position: 'relative',
        display: 'block',
        paddingBottom: shouldUseAspectRatio ? `${Math.abs(aspectRatio * 100)}%` : '',
      };

      return {
        shouldUseAspectRatio,
        aspectRatioStyle,
      };
    }