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This commit is contained in:
Aaron Smith 2023-09-13 18:23:46 +01:00
parent 0d542c66a6
commit 7dead44ac5
9 changed files with 207 additions and 173 deletions
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32
src/maps.luau
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@ -15,6 +15,7 @@ local update = graph.update
local get_scope = graph.get_scope
local open_scope = graph.open_scope
local close_scope = graph.close_scope
local evaluate_node = graph.evaluate_node
local destroy = graph.destroy
type Map<K, V> = { [K]: V }
@ -33,14 +34,17 @@ end
-- todo: optimize output array
local function indexes<K, VI, VO>(input: () -> Map<K, VI>, transform: (() -> VI, K) -> VO): () -> { VO }
local owner = get_scope()
if not owner then throw("cannot derive in non-reactive scope") end
assert(owner)
if not owner then
throw("cannot derive in non-reactive scope")
end; assert(owner)
local subowner = create_node(false, false)
set_owner(subowner, owner)
local input_cache = {} :: Map<K, VI>
local output_cache = {} :: Map<K, VO>
local input_nodes = {} :: Map<K, StartNode<VI>>
local remove_queue = {} :: { K }
local scopes = {} :: Map<K, Node<unknown>>
local function update_children(data)
@ -63,7 +67,7 @@ local function indexes<K, VI, VO>(input: () -> Map<K, VI>, transform: (() -> VI,
table.clear(remove_queue)
open_scope(owner) -- todo: needed?
open_scope(subowner)
-- process new or changed values
for i, v in next, data do
@ -71,10 +75,10 @@ local function indexes<K, VI, VO>(input: () -> Map<K, VI>, transform: (() -> VI,
if cv ~= v then
if cv == nil then
local scope = create_node(false)
local scope = create_node(false, false)
scopes[i] = scope :: Node<any>
set_owner(scope, owner)
set_owner(scope, subowner)
open_scope(scope)
local node = create_start_node(v)
@ -125,15 +129,17 @@ end
-- todo: optimize output array
local function values<K, VI, VO>(input: () -> Map<K, VI>, transform: (VI, () -> K) -> VO): () -> { VO }
local owner = get_scope()
if not owner then throw("cannot derive in non-reactive scope") end
assert(owner)
if not owner then
throw("cannot derive in non-reactive scope")
end; assert(owner)
local subowner = create_node(false, false)
set_owner(subowner, owner)
local cur_input_cache_up = {} :: Map<VI, K>
local new_input_cache_up = {} :: Map<VI, K>
local output_cache = {} :: Map<VI, VO>
local input_nodes = {} :: Map<VI, StartNode<K>>
local scopes = {} :: Map<VI, Node<unknown>>
local function update_children(data: Map<K, VI>)
@ -149,7 +155,7 @@ local function values<K, VI, VO>(input: () -> Map<K, VI>, transform: (VI, () ->
end
end
open_scope(owner)
open_scope(subowner)
-- process data
for i, v in next, data do
@ -158,10 +164,10 @@ local function values<K, VI, VO>(input: () -> Map<K, VI>, transform: (VI, () ->
local cv = cur_input_cache[v]
if cv == nil then
local scope = create_node(false)
local scope = create_node(false, false)
scopes[v] = scope :: Node<any>
set_owner(scope, owner)
set_owner(scope, subowner)
open_scope(scope)
local node = create_start_node(i)