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Responsive images (#505)

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This commit is contained in:
John O'Nolan
2018-12-17 12:25:57 +00:00
committed by GitHub
parent a22dda9694
commit 79ebbd50a3
17 changed files with 170 additions and 41 deletions
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6
partials/byline-multiple.hbs
View File

@ -12,7 +12,7 @@
<div class="author-card">
<div class="basic-info">
{{#if profile_image}}
<img class="author-profile-image" src="{{profile_image}}" alt="{{name}}" />
<img class="author-profile-image" src="{{img_url profile_image size="xs"}}" alt="{{name}}" />
{{else}}
<div class="author-profile-image">{{> "icons/avatar"}}</div>
{{/if}}
@ -29,7 +29,9 @@
</div>
{{#if profile_image}}
<a href="{{url}}" class="moving-avatar"><img class="author-profile-image" src="{{profile_image}}" alt="{{name}}" /></a>
<a href="{{url}}" class="moving-avatar">
<img class="author-profile-image" src="{{img_url profile_image size="xs"}}" alt="{{name}}" />
</a>
{{else}}
<a href="{{url}}" class="moving-avatar author-profile-image">{{> "icons/avatar"}}</a>
{{/if}}

2
partials/byline-single.hbs
View File

@ -3,7 +3,7 @@
<section class="author-card">
{{#if profile_image}}
<img class="author-profile-image" src="{{profile_image}}" alt="{{name}}" />
<img class="author-profile-image" src="{{img_url profile_image size="xs"}}" alt="{{name}}" />
{{else}}
<span class="avatar-wrapper">{{> "icons/avatar"}}</span>
{{/if}}

2
partials/floating-header.hbs
View File

@ -2,7 +2,7 @@
<div class="floating-header-logo">
<a href="{{@blog.url}}">
{{#if @blog.icon}}
<img src="{{@blog.icon}}" alt="{{@blog.title}} icon" />
<img src="{{img_url @blog.icon size="xxs"}}" alt="{{@blog.title}} icon" />
{{/if}}
<span>{{@blog.title}}</span>
</a>

51
partials/header.hbs Normal file
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@ -0,0 +1,51 @@
{{!--
Wow what the hell is going on in here even?
Ok so, several templates use this big header with a giant BG image. Nice idea, but big images
have a heavy impact on performance, so it's a good idea to make them responsive. Because we
can only get the image dynamically using Handlebars, and we can only set the image to properly
be a background image using CSS, we end up with a handful of inline styles.
If the template in question has a background image, then we render responsive image styles
for it, and apply those styles to the <header> tag. Else, we just output a <header> tag
with a `no-image` class so we can style it accordingly.
--}}
{{#if background}}
<style type="text/css">
.responsive-header-img {
background-image: url({{img_url background size='xl'}});
}
@media(max-width: 1000px) {
.responsive-header-img {
background-image: url({{img_url background size='l'}});
background-image: -webkit-image-set(
url({{img_url background size='l'}}) 1x,
url({{img_url background size='xl'}}) 2x
);
background-image: image-set(
url({{img_url background size='l'}}) 1x,
url({{img_url background size='xl'}}) 2x
);
}
@media(max-width: 600px) {
.responsive-header-img {
background-image: url({{img_url background size='m'}});
background-image: -webkit-image-set(
url({{img_url background size='m'}}) 1x,
url({{img_url background size='l'}}) 2x
);
background-image: image-set(
url({{img_url background size='m'}}) 1x,
url({{img_url background size='l'}}) 2x
);
}
</style>
<header class="site-header outer responsive-header-img">
{{else}}
<header class="site-header outer no-image">
{{/if}}

33
partials/post-card.hbs
View File

@ -1,21 +1,38 @@
<article class="post-card {{post_class}}{{#unless feature_image}} no-image{{/unless}}">
<article class="post-card {{post_class}} {{#unless feature_image}}no-image{{else}}{{#is "home"}}{{#has index="nth:6"}}post-card-large{{/has}}{{/is}}{{/unless}}">
{{#if feature_image}}
<a class="post-card-image-link" href="{{url}}">
<div class="post-card-image" style="background-image: url({{feature_image}})"></div>
</a>
<a class="post-card-image-link" href="{{url}}">
{{!-- This is a responsive image, it loads different sizes depending on device
https://medium.freecodecamp.org/a-guide-to-responsive-images-with-ready-to-use-templates-c400bd65c433 --}}
<img class="post-card-image"
srcset="{{img_url feature_image size="s"}} 300w,
{{img_url feature_image size="m"}} 600w,
{{img_url feature_image size="l"}} 1000w,
{{img_url feature_image size="xl"}} 2000w"
sizes="(max-width: 1000px) 400px, 700px"
src="{{img_url feature_image size="m"}}"
alt="{{title}}"
/>
</a>
{{/if}}
<div class="post-card-content">
<a class="post-card-content-link" href="{{url}}">
<header class="post-card-header">
{{#if primary_tag}}
<span class="post-card-tags">{{primary_tag.name}}</span>
{{/if}}
<h2 class="post-card-title">{{title}}</h2>
</header>
<section class="post-card-excerpt">
<p>{{excerpt words="33"}}</p>
</section>
</a>
<footer class="post-card-meta">
<ul class="author-list">
@ -27,7 +44,9 @@
</div>
{{#if profile_image}}
<a href="{{url}}" class="static-avatar"><img class="author-profile-image" src="{{profile_image}}" alt="{{name}}" /></a>
<a href="{{url}}" class="static-avatar">
<img class="author-profile-image" src="{{img_url profile_image size="xs"}}" alt="{{name}}" />
</a>
{{else}}
<a href="{{url}}" class="static-avatar author-profile-image">{{> "icons/avatar"}}</a>
{{/if}}
@ -38,5 +57,7 @@
<span class="reading-time">{{reading_time}}</span>
</footer>
</div>
</div>{{!--/.post-card-content--}}
</article>