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fix: add unmount behavior to split atoms

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Richard 2024-03-03 10:24:54 -08:00
parent 4586882d3c
commit fc3cd6d9ad
4 changed files with 25 additions and 16 deletions
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25
src/atom.luau
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@ -33,16 +33,11 @@ local atomCount = 0
local function atom<State>(state: State): Atom<State>
atomCount += 1
local listeners: { [(State) -> ()]: true } = {}
local label = `atom{atomCount}`
local traceback = debug.traceback(nil, 2)
local owners: { [any]: true } = {}
local atom = {
listeners = listeners,
debugTraceback = traceback,
debugLabel = label,
owners = owners,
listeners = {},
debugTraceback = debug.traceback(nil, 2),
debugLabel = `atom{atomCount}`,
owners = {},
} :: Atom<State>
local equals: ((State, State) -> boolean)?
@ -68,7 +63,7 @@ local function atom<State>(state: State): Atom<State>
if not (if equals then equals(state, nextState) else state == nextState) then
state = nextState
for listener in table.clone(listeners) do
for listener in table.clone(self.listeners) do
listener(state)
end
end
@ -80,7 +75,7 @@ local function atom<State>(state: State): Atom<State>
if not (if equals then equals(state, nextState) else state == nextState) then
state = nextState
for listener in table.clone(listeners) do
for listener in table.clone(self.listeners) do
listener(state)
end
end
@ -99,20 +94,20 @@ local function atom<State>(state: State): Atom<State>
function atom:readonly(): ReadonlyAtom<State>
function setter(_, _)
if _G.__DEV__ then
error(`Attempt to set read-only atom '{label}' created at: {traceback}`, 3)
error(`Attempt to set read-only atom '{self.debugLabel}' created at: {self.debugTraceback}`, 3)
end
end
return self
end
function atom:named(name: string): Atom<State>
label = name
self.debugLabel = name
return self
end
function atom:unmount()
table.clear(listeners)
table.clear(owners)
table.clear(self.listeners)
table.clear(self.owners)
reference.release(self)
end