# All files / src/utils getAspectRatio.js

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

Press n or j to go to the next uncovered block, b, p or k for the previous block.

    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

    17x
    17x
    17x

    17x

     // @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 && !isNaN(aspectRatio); // eslint-disable-line
      const aspectRatioStyle = {
        position: 'relative',
        display: 'block',
        paddingBottom: shouldUseAspectRatio ? `${Math.abs(aspectRatio * 100)}%` : '',
      };

      return {
        shouldUseAspectRatio,
        aspectRatioStyle,
      };
    }