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Update reactive scoping docs

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This commit is contained in:
Aaron Smith 2023-09-26 13:27:38 +01:00
parent c68d0a6c18
commit 71bbaa2092
3 changed files with 189 additions and 57 deletions
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73
test/tests.luau
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@ -981,19 +981,76 @@ TEST("create()", wrap_root(function()
end))
TEST("show()", wrap_root(function()
-- uses switch() internally, more extensive testing of scoping not needed
local untrack = vide.untrack
local cleanup = vide.cleanup
local source = vide.source
local effect = vide.effect
local show = vide.show
local root = vide.root
local value = source("truey" :: unknown)
local function one() return 1 end
local function two() return 2 end
do CASE "main"
-- uses switch() internally, more extensive testing of scoping not needed
local value = source("truey" :: unknown)
local function one() return 1 end
local function two() return 2 end
local output = show(value, one, two)
local output = show(value, one, two)
CHECK(output() == 1)
value(nil)
CHECK(output() == 2)
CHECK(output() == 1)
value(nil)
CHECK(output() == 2)
end
do CASE "alt"
local visible = vide.source(true)
local count = vide.source(0)
local outer = 0
local inner = 0
local destroyed = 0
root(function()
effect(function()
visible()
outer += 1
untrack(function()
effect(function()
count()
inner += 1
cleanup(function()
destroyed += 1
end)
end)
return nil
end)
end)
end)
CHECK(outer == 1)
CHECK(inner == 1)
CHECK(destroyed == 0)
count(count() + 1)
CHECK(outer == 1)
CHECK(inner == 2)
CHECK(destroyed == 1)
visible(false)
CHECK(outer == 2)
CHECK(inner == 3)
CHECK(destroyed == 2)
count(count() + 1)
CHECK(outer == 2)
CHECK(inner == 4)
CHECK(destroyed == 3)
end
end))
TEST("switch()", wrap_root(function()