rewrite the script to not depend on jQuery, so that it can be run as
soon as possible.
Also switch to use localstorage instead of cookies, which is a more
suitable mechanism for this, and use the same HTML include as was
used on the landing-page for the whole site.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
- use a config-variable for the ID
- exclude the script if no ID is set
- set default font and font-color
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
From the script's repository: https://github.com/wilddeer/stickyfill
> Stickyfill did a good job while the browsers were implementing position: sticky
> support. You can now safely use stickies without a polyfill, all modern browsers
> support them natively:
>
> https://caniuse.com/?search=position%3Asticky
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Canonical links are expected to be full URLs, not relative.
For this to work, the Dockerfile had to be updated, because we're stripping
the domain-name from links ("<a href..."), but the script currently also included
"<link rel='canonical' .." tags.
With the change, canonical links are left alone;
These hrefs will be replaced
echo '<a class=foo href="https://docs.docker.com/foo">hello</a>' | sed -e 's#\(<a[^>]* href="\)https://docs.docker.com/#\1/#g'
# <a class=foo href="/foo">hello</a>
echo '<a href="https://docs.docker.com/foo">hello</a>' | sed -e 's#\(<a[^>]* href="\)https://docs.docker.com/#\1/#g'
# <a href="/foo">hello</a>
But, for example, this one is left alone
echo '<link rel="canonical" href="https://docs.docker.com/foo/bar" />' | sed -e 's#\(<a[^>]* href="?\)https://docs.docker.com/#\1/#g'
# <link rel="canonical" href="https://docs.docker.com/foo/bar" />
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
See https://web.dev/external-anchors-use-rel-noopener/
Using noopener, as that addresses the security issue. "noreferer" blocks
the REFERER header, which may still be useful for some target URLs.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Commits 7e5352f1ae and e72030d2c6
added automatic generation of page titles and descriptions from the page's content
if no front-matter metadata was present.
Some pages may include characters that should be escaped before using as a HTML
attribute or JSON field.
This patch adds escaping to those texts to prevent the HTML or JSON from being
invalid.
Before this:
HTML meta:
<meta name="description" content="docker build: The `docker build` command builds Docker images from a Dockerfile and a " context".="" a="" build's="" context="" is="" the="" set="" of="" files="" located="" in="" specified="" `path`="" or="" `url`...."="" />
JSON meta:
<script type="application/ld+json">{"@context":"http://schema.org","@type":"WebPage","headline":"docker build","description":"docker build: The `docker build` command builds Docker images from a Dockerfile and a "context". A build's context is the set of files located in the specified `PATH` or `URL`....","url":"https://docs.docker.com/engine/reference/commandline/build/"}</script>
After this:
HTML meta:
<meta name="description" content="docker build: The `docker build` command builds Docker images from a Dockerfile and a "context". A build's context is the set of files located in the specified `PATH` or `URL`...." />
JSON meta:
<script type="application/ld+json">{"@context":"http://schema.org","@type":"WebPage","headline":"docker build","description":"docker build: The `docker build` command builds Docker images from a Dockerfile and a \"context\". A build's context is the set of files located in the specified `PATH` or `URL`....","url":"https://docs.docker.com/engine/reference/commandline/build/"}</script>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>