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This commit is contained in:
Aaron Smith 2023-09-11 18:20:21 +01:00
parent 52ea2e4690
commit 5b61a9df10
13 changed files with 57 additions and 39 deletions
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14
src/maps.luau
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@ -5,7 +5,7 @@ if not game then script = require "test/relative-string" end
local throw = require(script.Parent.throw)
local flags = require(script.Parent.flags)
local graph = require(script.Parent.graph)
type Scope = graph.Scope
type Node<T> = graph.Node<T>
type StartNode<T> = graph.StartNode<T>
local create_node = graph.create_node
local create_start_node = graph.create_start_node
@ -28,9 +28,12 @@ local function check_primitives(t: {})
end
end
-- todo: verify destruction of subscopes when owner scope is destroyed
-- 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)
local input_cache = {} :: Map<K, VI>
@ -38,7 +41,7 @@ local function indexes<K, VI, VO>(input: () -> Map<K, VI>, transform: (() -> VI,
local input_nodes = {} :: Map<K, StartNode<VI>>
local remove_queue = {} :: { K }
local scopes = {} :: Map<K, Scope>
local scopes = {} :: Map<K, Node<unknown>>
local function update_children(data)
-- queue removed values
@ -69,7 +72,7 @@ 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)
scopes[i] = scope
scopes[i] = scope :: Node<any>
set_owner(scope, owner)
open_scope(scope)
@ -122,6 +125,7 @@ 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)
local cur_input_cache_up = {} :: Map<VI, K>
@ -130,7 +134,7 @@ local function values<K, VI, VO>(input: () -> Map<K, VI>, transform: (VI, () ->
local output_cache = {} :: Map<VI, VO>
local input_nodes = {} :: Map<VI, StartNode<K>>
local scopes = {} :: Map<VI, Scope>
local scopes = {} :: Map<VI, Node<unknown>>
local function update_children(data: Map<K, VI>)
local cur_input_cache, new_input_cache = cur_input_cache_up, new_input_cache_up
@ -155,7 +159,7 @@ local function values<K, VI, VO>(input: () -> Map<K, VI>, transform: (VI, () ->
if cv == nil then
local scope = create_node(false)
scopes[v] = scope
scopes[v] = scope :: Node<any>
set_owner(scope, owner)
open_scope(scope)