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This allows sharing across main.js and search.js without exporting too
many symbols into the global namespace.
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Export a few variables and functions into the global scope because they
are needed both by main.js and search-index.js.
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Introduce a first use of the `<details>` and `<summary>` tags as
replacements for the JS-built toggles. I think this has the potential to
replace all the JS toggles and generally clean up the JS, CSS, and HTML.
Split rendering of attributes into two cases: in the case where they are
rendered as descendents of a `<pre>` tag, where they use indent spaces and
newlines for formatting, matching their surrounding markup. In the case
where they are rendered as descendants of a `<code>` tag, they are
rendered as `<div>`. This let me clean up some fragile CSS that was
adjusting the margin-left of attributes depending on context.
Remove toggles for attributes. With the ALLOWED_ATTRIBUTES filter, it's
rare for an item to have more than one attribute, so hiding attributes
behind a toggle doesn't save any screen space in the common case.
Fix a couple of invocations of `matches!` that didn't compile on my
machine.
Fix a boolean for the JS `createToggle` call that was causing
"Expand description" to show up spuriously on already-expanded
descriptions.
Add JS for auto-hide settings and hide all / show all.
Remove a z-index property and some font color tweaks made unnecessary
by the <details> toggles.
Add CSS for the <details> toggles.
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Now the family name is Source Serif 4 (upstream issue 77) instead of
Source Serif Pro.
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rustdoc: Separate filter-empty-string out into its own function
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I couldn't find any uses of this CSS. I think it was superseded by the
`.notable-traits` CSS class and other similarly-named CSS classes.
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Add a button to copy the "use statement"
Fixes https://github.com/rust-lang/rust/issues/50239
When clicking on the button, it'll add the elements prepended by "use " and will end with a ";". So in the images below, I now have in my clipboard `use std::fs::OpenOptions;`.
A screenshot of the newly added button:
A screenshot after it was clicked:
r? `@Nemo157`
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Fix #83550 regression
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Slight visual improvements to warning boxes in the docs
First I noticed that sometimes the thumbs-down emoji in the docs is hard to see and hard to look at because the yellow emoji color and the color of the box below are so bright. Especially if you look at the screen late at night you can notice it. I thought I should change that so I added a black outline around the emoji. It works using the [`text-shadow`](https://developer.mozilla.org/en-US/docs/Web/CSS/text-shadow) property. It may be a bit hacky but it seems to work well and browser compatibility looks pretty good too: [browser compatibility](https://developer.mozilla.org/en-US/docs/Web/CSS/text-shadow#browser_compatibility).
For consistency the microscope has the black border too.
Alternatively I had `drop-shadow(0px 0px 1px black);` in mind but its [browser compatibility](https://developer.mozilla.org/en-US/docs/Web/CSS/filter-function/drop-shadow()#browser_compatibility) doesn't look as good and the blurry shadow probably doesn't look as good either.
Then, I thought that now that I'm at it I could also try changing the purple color to a color you would rather expect to see for deprecation: red. For the red I've taken the blue and reused it as a foundation and moved it to the red color spectrum.
But then I thought that the purple color could still be reused for something else: for the boxes that tell you about portability (e.g. _only supported on Unix_). These are currently blue.
I think blue doesn't really represent danger like it should. Not being cross-platform represents a danger because if you want to compile for a different platform, your code may not compile anymore. Blue looks too friendly and is in my opinion more suitable for a box containing general information like for instance "This is available since 1.0.0". None of the current three box types (unstable, deprecated and portability) are that.
I think purple is a better fit for it because it's kind of in the middle between "use it" and "don't use it". Deprecated is definitely "don't use it". To illustrate this better, here's a color spectrum:
Blue = friendly, "use it".
Red = danger, "don't use it".
And the purple in the middle (the color that the portability box now has) probably represents "use it if you have to", so it's not entirely friendly and not entirely a danger. That is why I think it fits.
However I made one change to that existing purple: I made the outer color a bit brighter because it's outstandingly dark compared to the other outer colors of the other boxes.
This is all subjective but in my opinion it looks nicer. At first you might need to get used to it though. Notice the box colors and the black outlines around the emoji shapes:
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Codeblock tooltip position
The codeblocks tooltips were misplaced. Normally, there is no top margin applied to a tooltip unless the codeblock is the first element of the doc block. The CSS rule was too vague though, applying it to all tooltips where the codeblock was the first child of its parent. Which can be easily seen with lists:
Before:
After:
r? ``@Nemo157``
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Remove theme.js file
Fixes #82616.
The first commit moves the `theme.js` file into `main.js`, which requires to also run a small `.replace` on the `main.js` content.
The second commit is just a small cleanup to centralize DOM ids.
Since it removes a file from rustdoc output: cc `@rust-lang/docs-rs`
cc `@jsha`
r? `@jyn514`
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r=GuillaumeGomez
Update Source Code Pro and include italics
Fixes #65502.
#65665, a similar PR to this was merged but reverted because of https://github.com/rust-lang/rust/pull/65665#issuecomment-556860510.
The issue in that comment is the upstream issue https://github.com/adobe-fonts/source-code-pro/issues/217 which should now be fixed in the upstream since [2.032R-ro/1.052R-it/1.012R-VAR release](https://github.com/adobe-fonts/source-code-pro/releases/tag/2.032R-ro/1.052R-it/1.012R-VAR), so I think this can now be merged.
A couple of notes from the original PR:
* Since this PR changes the font set, I think docs.rs would have to be updated if this PR is merged.
* The fonts have a double extension (.ttf.woff); this is to keep the names consistent with the upstream font release which does that to distinguish these from the .otf.woff files (Source Code Pro otf renders poorly on older Windows system apps).
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No background for code in portability snippets
This better matches the appearance of this kind of snippet in the full
item view and is less jarring to read due to repeated
foreground-background changes.
There should be no observable changes to the ayu theme.
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Fall-back to sans-serif if Arial is not available
Otherwise on systems where Arial is not available the UA will
fallback to a serif font, rather than a sans-serif one.
This is especially relevant on acessibility-conscious setups (such as is
mine) that have web-fonts disabled and a limited set of fonts available
on the system.
r? ```@GuillaumeGomez``` cc ```@jsha```
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rustdoc: reduce GC work during search
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This better matches the appearance of this kind of snippet in the full
item view and is less jarring to read due to repeated
foreground-background changes.
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Otherwise on systems where Arial is not available the system will
fallback to a serif font, rather than a sans-serif one.
This is especially relevant on acessibility-conscious setups (such as is
mine) that have web-fonts disabled and a limited set of fonts available
on the system.
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This basically fixes a search bug introduced by earlier changes.
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There's no reason for it to be a string, since it's only used for
de-duplicating the results arrays anyhow.
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This should have negligible effect on time, but it cuts about 1MiB
off of resident memory usage.
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Prevent JS error when there is no dependency or other crate documented (or --disable-per-crate-search has been used)
When there is only one crate, the dropdown is removed, creating an error (that you can see pretty easily on docs.rs for example).
r? `@jyn514`
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Co-authored-by: Guillaume Gomez <guillaume1.gomez@gmail.com>
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Basically, it doesn't make sense to generate those things every time
you search. That generates a bunch of stuff for the GC to clean up,
when, if the user wanted to do another search, it would just need
to re-do it again.
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Every time splice() is called, another temporary object is created.
This version, which uses plain objects as a sort of Hash Bag,
should only produce one temporary object each time it's called.
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There is no reason for this function to return an object,
since it is always used for getting at the name anyhow.
It's used in the inner loop for some popular functions,
so we want to avoid allocating in it.
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rustdoc: tweak the search index format
This essentially switches search-index.js from a "array of struct" to a "struct of array" format, like this:
{
"doc": "Crate documentation",
"t": [ 1, 1, 2, 3, ... ],
"n": [ "Something", "SomethingElse", "whatever", "do_stuff", ... ],
"q": [ "a::b", "", "", "", ... ],
"d": [ "A Struct That Does Something", "Another Struct", "a function", "another function", ... ],
"i": [ 0, 0, 1, 1, ... ],
"f": [ null, null, [], [], ... ],
"p": ...,
"a": ...
}
So `{ty: 1, name: "Something", path: "a::b", desc: "A Struct That Does Something", parent_idx: 0, search_type: null}` is the first item.
This makes the uncompressed version smaller, but it really shows on the compressed version:
notriddle:rust$ wc -c new-search-index1.52.0.js
2622427 new-search-index1.52.0.js
notriddle:rust$ wc -c old-search-index1.52.0.js
2725046 old-search-index1.52.0.js
notriddle:rust$ gzip new-search-index1.52.0.js
notriddle:rust$ gzip old-search-index1.52.0.js
notriddle:rust$ wc -c new-search-index1.52.0.js.gz
239385 new-search-index1.52.0.js.gz
notriddle:rust$ wc -c old-search-index1.52.0.js.gz
296328 old-search-index1.52.0.js.gz
That's a 4% improvement on the uncompressed version (fewer `[]`, and also changing `null` to `0` in the parent_idx list), and 20% improvement after gzipping it, thanks to putting like-typed data next to each other. Any compression algorithm based on a sliding window will probably show this kind of improvement.
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Fix "run" button position in error index
This isn't really a rustdoc issue but I still made the same fix in the `rustdoc.css` file (doesn't hurt).
Before:
After:
cc ````@jyn514```` (considering this is quite a big bug and an easy fix)
r? ````@Nemo157````
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