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Add source to show() callback

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This commit is contained in:
aaron 2025-01-04 00:40:51 +00:00
parent 58a31a1b32
commit c796e48173
3 changed files with 84 additions and 17 deletions
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65
test/tests.luau
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@ -1073,20 +1073,73 @@ TEST("show()", wrap_root(function()
local show = vide.show
local root = vide.root
do CASE "main"
-- uses switch() internally, more extensive testing of scoping not needed
local value = source("truey" :: unknown)
do CASE "show component"
local input = source(true)
local function one() return 1 end
local output = show(input, one)
CHECK(output() == 1)
input(false)
CHECK(output() == nil)
end
do CASE "fallback component"
local input = source(true)
local function one() return 1 end
local function two() return 2 end
local output = show(value, one, two)
local output = show(input, one, two)
CHECK(output() == 1)
value(nil)
input(false)
CHECK(output() == 2)
end
do CASE "alt"
do CASE "updating truth to truthy does not rerun"
local input = source(1)
local count = 0
local function component()
count += 1
return 1
end
local output = show(input, component)
CHECK(count == 1)
CHECK(output() == 1)
input(2)
CHECK(count == 1)
end
do CASE "updating source passed to component"
local input = source(1 :: number?)
local count = 0
show(input :: () -> number?, function(value: () -> number)
vide.cleanup(function() print "destroyed" end)
effect(function()
local v = value()
count += 1
CHECK(v == count)
if v ~= count then error(count) end
end)
return true
end)
input(2)
CHECK(count == 2)
input(3)
CHECK(count == 3)
input(nil)
CHECK(count == 3)
end
do CASE "alt" -- todo: move test
local visible = vide.source(true)
local count = vide.source(0)