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feat(lua): add notify_once() (#17010)

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Like vim.notify(), but only displays the notification once.

This function prints a warning message to the user only once per Nvim
session. This is useful for things we want the user to see without being
overwhelmed with warning messages (for example, the deprecation messages
in LSP diagnostics).
This commit is contained in:
github-actions[bot]
2022-01-09 10:42:30 -07:00
committed by GitHub
parent 11dafcaf05
commit f365e68293
5 changed files with 106 additions and 48 deletions
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34
test/functional/lua/vim_spec.lua
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@@ -2200,6 +2200,40 @@ describe('lua stdlib', function()
end)
end)
it('vim.notify_once', function()
local screen = Screen.new(60,5)
screen:set_default_attr_ids({
[0] = {bold=true, foreground=Screen.colors.Blue},
[1] = {foreground=Screen.colors.Red},
})
screen:attach()
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }|
{0:~ }|
|
]]}
exec_lua [[vim.notify_once("I'll only tell you this once...", vim.log.levels.WARN)]]
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{1:I'll only tell you this once...} |
]]}
feed('<C-l>')
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }|
{0:~ }|
|
]]}
exec_lua [[vim.notify_once("I'll only tell you this once...")]]
screen:expect_unchanged()
end)
describe('vim.schedule_wrap', function()
it('preserves argument lists', function()
exec_lua [[