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binario/exampleSite/content/post/featured-images/index.md
Vimux efb650245f
Improve featured image (#17) 
WARNING: UPGRADE HUGO TO VERSION 0.54.0 OR LATER

* post_thumbnail -> post_featured
* Add url, alt, caption and credit params for featured
* Add previewOnly param
* Add styles for featured
* Add fallback for thumbnail.*
* Add "Featured Images" page
* Show caption & credit on single pages only
* Update README: add featured image guide
* Bump Hugo min version because `reflect.IsMap` [0.38 -> 0.54.0]
2019-09-24 10:50:06 -04:00

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Featured Images In this page, we will explain what featured images are and show you some examples how to add a featured image for a page. 2019-09-12

Featured image is the image that appears on summaries at the list pages and the top of content pages. Every content page in this theme can have a featured image.

How to add a featured image

Content pages in Hugo can have their images or any other files stored under the same directory of the page itself. In Hugo's terms, it's called page bundle and allows us to keep all assets together with a page content file.

This theme uses page bundles for featured images. There are two main different ways to add a featured image.

Option 1. Put featured.* or thumbnail.* image in the page bundle

This theme considers featured or thumbnail image in any popular graphic format in the root of the page bundle as a featured image.

Directory structure of this page:

content
└── post
    └── featured-images // single page folder (page bundle)
        ├── featured.png // featured image
        └── index.md // page content file

Option 2. Put any image in the page bundle & specify featured param

You may put any image in the page bundle and specify featured param in the page's front matter:

featured: image.jpg
  • featured [String]: relative path of the image

Or you can add some additional params like alt, caption, credit and previewOnly:

featured:
  url: image.jpg
  alt: A scale model of the Eiffel tower standing on a map
  caption: Eiffel tower model
  credit: Unknown author
  previewOnly: false
  • featured [Map]:
    • url [String]: relative path of the image
    • alt [String]: alternate text for the image
    • caption [String]: image caption
    • credit [String]: image credit
    • previewOnly [Boolean]: show only preview image

FAQ

Q: What will happen if I specify alt, caption, credit params, but miss url? Featured image will be shown or not?
A: In that case, featured image would appear only if the page bundle contains featured.* or thumbnail.* image. Otherwise, you'll get nothing.

Q: Is featured image path case sensitive or insensitive? Featured.png and featured.png are different image relative paths for Hugo?
A: The image matching is case-insensitive. In that case, Featured.png and featured.png are identical for Hugo.