🐛 Fix: anchor jump exception caused by lazy loading of responsive images (#348)

This commit is contained in:
Cell
2023-11-01 17:16:04 +08:00
parent a631096b29
commit c4606930ff
3 changed files with 72 additions and 49 deletions
+16 -10
View File
@@ -290,18 +290,24 @@
height: auto;
}
&:is([loading='lazy']):not(.suffix-invalid):not([data-lazyloaded]) {
@media (min-resolution: 1dppx) {
width: var(--img-w);
height: var(--img-h);
&:is([loading='lazy']):not([data-lazyloaded]) {
&:not(.suffix-invalid__small) {
width: var(--width-small, var(--width));
aspect-ratio: var(--aspect-ratio-small, var(--aspect-ratio));
}
@media (min-resolution: 1.5dppx) {
width: calc(var(--img-w) / 1.5);
height: calc(var(--img-h) / 1.5);
&:not(.suffix-invalid) {
@media (min-resolution: 1.01dppx) and (max-resolution: 1.5dppx) {
width: calc(var(--width) / 1.5);
aspect-ratio: var(--aspect-ratio);
}
}
@media (min-resolution: 2dppx) {
width: calc(var(--img-w) / 2);
height: calc(var(--img-h) / 2);
&:not(.suffix-invalid__large) {
@media (min-resolution: 1.51dppx) {
width: calc(var(--width-large, var(--width)) / 2);
aspect-ratio: var(--aspect-ratio-large, var(--aspect-ratio));
}
}
}
+1 -1
Submodule docs updated: 406d35f8c3...e91c033ccd
+55 -38
View File
@@ -1,48 +1,64 @@
{{- /* lightgallery */ -}}
{{- /* this method is only available for image resources that are raster images */ -}}
{{- $src := .Src -}}
{{- $width := .Width -}}
{{- $height := .Height -}}
{{- $class := .Class | default "" -}}
{{- $style := "" -}}
{{- $cacheRemoteImages := (.Params.cacheRemoteImages | default dict) | merge site.Params.cacheRemoteImages -}}
{{- $suffixList := slice ".jpeg" ".jpg" ".png" ".gif" ".bmp" ".tif" ".tiff" ".webp" -}}
{{- $suffixValid := dict "Path" $src "Suffixes" $suffixList | partial "function/suffix-validation.html" -}}
{{- if not $suffixValid -}}
{{- $class = printf "%v suffix-invalid" $class -}}
{{- end -}}
{{- with dict "Path" .Src "Resources" .Resources "CacheRemoteImages" $cacheRemoteImages.enable | partial "function/resource.html" -}}
{{- $url := urls.Parse $.Src -}}
{{- if not $url.Host | or $cacheRemoteImages.replace -}}
{{- $src = .RelPermalink -}}
{{- end -}}
{{- /* this method is only available for image resources that are raster images */ -}}
{{- if (not $.Width) | and (not $.Height) | and (eq .ResourceType "image") | and $suffixValid -}}
{{- $width = .Width -}}
{{- $height = .Height -}}
{{- $style = printf "--img-w: %vpx;--img-h: %vpx;" .Width .Height | safeHTMLAttr -}}
{{- end -}}
{{- end -}}
{{- $small := .SrcSmall | default $src -}}
{{- with dict "Path" .SrcSmall "Resources" .Resources "CacheRemoteImages" $cacheRemoteImages.enable | partial "function/resource.html" -}}
{{- $small = .RelPermalink -}}
{{- end -}}
{{- $large := .SrcLarge | default $src -}}
{{- with dict "Path" .SrcLarge "Resources" .Resources "CacheRemoteImages" $cacheRemoteImages.enable | partial "function/resource.html" -}}
{{- $large = .RelPermalink -}}
{{- end -}}
{{- $alt := .Alt | default $src -}}
{{- $caption := .Caption | default $alt -}}
{{- $loading := .Loading | default "lazy" -}}
{{- $onload := "" -}}
{{- $onerror := "" -}}
{{- $cacheRemoteImages := (.Params.cacheRemoteImages | default dict) | merge site.Params.cacheRemoteImages -}}
{{- $suffixList := slice ".jpeg" ".jpg" ".png" ".gif" ".bmp" ".tif" ".tiff" ".webp" -}}
{{- /* handle for default size image */ -}}
{{- with dict "Path" $src "Resources" .Resources "CacheRemoteImages" $cacheRemoteImages.enable | partial "function/resource.html" -}}
{{- $url := urls.Parse $src -}}
{{- $suffixValid := dict "Path" $src "Suffixes" $suffixList | partial "function/suffix-validation.html" -}}
{{- if not $url.Host | or $cacheRemoteImages.replace -}}
{{- $src = .RelPermalink -}}
{{- end -}}
{{- if not $suffixValid -}}
{{- $class = printf "%v suffix-invalid" $class -}}
{{- else if eq .ResourceType "image" -}}
{{- $style = printf "--width: %vpx;--aspect-ratio: %v / %v;" .Width .Width .Height | safeHTMLAttr -}}
{{- end -}}
{{- end -}}
{{- /* handle for small size image */ -}}
{{- $small := .SrcSmall | default $src -}}
{{- with dict "Path" .SrcSmall "Resources" .Resources "CacheRemoteImages" $cacheRemoteImages.enable | partial "function/resource.html" -}}
{{- $url := urls.Parse $.SrcSmall -}}
{{- $suffixValid := dict "Path" $.SrcSmall "Suffixes" $suffixList | partial "function/suffix-validation.html" -}}
{{- if not $url.Host | or $cacheRemoteImages.replace -}}
{{- $small = .RelPermalink -}}
{{- end -}}
{{- if not $suffixValid -}}
{{- $class = printf "%v suffix-invalid__small" $class -}}
{{- else if eq .ResourceType "image" -}}
{{- $style = printf "%v--width-small: %vpx;--aspect-ratio-small: %v / %v;" $style .Width .Width .Height | safeHTMLAttr -}}
{{- end -}}
{{- end -}}
{{- /* handle for large size image */ -}}
{{- $large := .SrcLarge | default $src -}}
{{- with dict "Path" .SrcLarge "Resources" .Resources "CacheRemoteImages" $cacheRemoteImages.enable | partial "function/resource.html" -}}
{{- $url := urls.Parse $.SrcLarge -}}
{{- $suffixValid := dict "Path" $.SrcLarge "Suffixes" $suffixList | partial "function/suffix-validation.html" -}}
{{- if not $url.Host | or $cacheRemoteImages.replace -}}
{{- $large = .RelPermalink -}}
{{- end -}}
{{- if not $suffixValid -}}
{{- $class = printf "%v suffix-invalid__large" $class -}}
{{- else if eq .ResourceType "image" -}}
{{- $style = printf "%v--width-large: %vpx;--aspect-ratio-large: %v / %v;" $style .Width .Width .Height | safeHTMLAttr -}}
{{- end -}}
{{- end -}}
{{- /* set image alt and caption */ -}}
{{- $alt := .Alt | default $src -}}
{{- $caption := .Caption | default $alt -}}
{{- /* set image lazy loading */ -}}
{{- /* for details, see https://lruihao.cn/posts/native-img-loading-lazy/ */ -}}
{{- if eq $loading "lazy" -}}
{{- /* for details, see https://lruihao.cn/posts/native-img-loading-lazy/ */ -}}
{{- /* TODO move to theme.js */ -}}
{{- $commonScript := "this.title=this.dataset.title;this.alt=this.dataset.alt;for(const i of ['style', 'data-title','data-alt','onerror','onload']){this.removeAttribute(i);}" -}}
{{- $onload = printf " onload=\"%vthis.dataset.lazyloaded='';\"" $commonScript | safeHTMLAttr -}}
@@ -50,10 +66,11 @@
{{- $style = printf " style=\"%vbackground: url(%v) no-repeat center;\"" $style (resources.Get "svg/loading.svg" | minify).RelPermalink | safeHTMLAttr -}}
{{- end -}}
{{- /* structure of lightgallery or img */ -}}
{{- if .Linked -}}
<a class="lightgallery" href="{{ $large | safeURL }}" data-thumbnail="{{ $small | safeURL }}"{{ with $caption }} data-sub-html="<h2>{{ . }}</h2>{{ with $.Title }}<p>{{ . }}</p>{{ end }}"{{ end }}{{ with .Rel }} rel="{{ . }}"{{ end }}>
{{- end -}}
<img loading="{{ $loading }}" src="{{ $src | safeURL }}" srcset="{{ $small | safeURL }}, {{ $src | safeURL }} 1.5x, {{ $large | safeURL }} 2x" sizes="auto"
<img loading="{{ $loading }}" src="{{ $src | safeURL }}" srcset="{{ $small | safeURL }}?size=small, {{ $src | safeURL }}?size=medium 1.5x, {{ $large | safeURL }}?size=large 2x" sizes="auto"
{{- if eq $loading "lazy" }} data-title="{{ .Title | default $alt }}" data-alt="{{ $alt }}"
{{- else }} title="{{ .Title | default $alt }}" alt="{{ $alt }}"{{- end -}}
{{- with .Width }} width="{{ . }}"{{- end -}}