In rare situations we would get tracebacks from
list_cursor on the line that I changed here. We
went the entire month of May without a traceback
here, and I can't reproduce the problem.
This is a pretty clear fix, though, and it will
hopefully lead to a more enlightening symptom.
The likely scenario here is that you use `q` to
navigate the stream list and then unsubscribe.
I tested that and couldn't get a traceback,
but I do think the traceback indicates some
possible issues.
The behavior I saw when I did this
appeared to be mostly harmless.
When I deleted a row (by unsubscribing), the code
seemed to effectively disable the cursor. It's
possible we should go to the next row or fully disable
the search.
I opened #15439 to follow up on this and other
cursor-related issues.
This commit was originally automatically generated using `tools/lint
--only=eslint --fix`. It was then modified by tabbott to contain only
changes to a set of files that are unlikely to result in significant
merge conflicts with any open pull request, excluding about 20 files.
His plan is to merge the remaining changes with more precise care,
potentially involving merging parts of conflicting pull requests
before running the `eslint --fix` operation.
Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
With webpack, variables declared in each file are already file-local
(Global variables need to be explicitly exported), so these IIFEs are
no longer needed.
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
If a caller passes undefined to go_to, it is
almost certainly a programming error, so we
shouldn't silently ignore it just because
the current key is undefined.
We also avoid setting curr_key until we
validate the incoming key.
This version of progressive scrolling lazily
renders buddy list items, but it doesn't
provide the browser with any notion of upcoming
list items, so as you scroll down and the size
of the rendered list grows, the scrollbar shows
you being too close to the bottom.
This maintains 100% coverage on buddy_list.js.
This commit prepares the frontend code to be consumed by webpack.
It is a hack: In theory, modules should be declaring and importing the
modules they depend on and the globals they expose directly.
However, that requires significant per-module work, which we don't
really want to block moving our toolchain to webpack on.
So we expose the modules by setting window.varName = varName; as
needed in the js files.
This introduces a generic class called list_cursor to handle the
main details of navigating the buddy list and wires it into
activity.js. It replaces some fairly complicated code that
was coupled to stream_list and used lots of jQuery.
The new code interacts with the buddy_list API instead of jQuery
directly. It also persists the key across redraws, so we don't
lose our place when a focus ping happens or we type more characters.
Note that we no longer cycle to the top when we hit the bottom, or
vice versa. Cycling can be kind of an anti-feature when you want to
just lay on the arrow keys until they hit the end.
The changes to stream_list.js here do not affect the left sidebar;
they only remove code that was used for the right sidebar.
Steve Howell
Anders Kaseorg
Steve Howell
Armaan Ahluwalia
Shubham Dhama