PolymerElements/iron-image

Placeholder not rendering webp base64

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Description

iron-image 3.0.1 - placeholder does not display base64 image for webp format.

Expected outcome

placeholder attribute should render base64 format for webp

Actual outcome

Placeholder is not rendering

Browsers Affected

  • Chrome
  • Firefox
  • Safari 10
  • Safari 9
  • Edge
  • IE 11

In this element:

image

The placeholder is not rendering when webp is the format for a webp image. The image, once loaded, renders with no issues. It is only with the placeholder with base64 is not rendering.

I was previously using jpg and had no issues, then I switch my app to use webp and only webp images.