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refactor: rename Source to Molecule

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Richard 2024-03-29 11:47:46 -07:00
parent f2ec300204
commit 0046af5598
11 changed files with 60 additions and 50 deletions
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14
src/map.luau
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@ -2,14 +2,14 @@ local atom = require(script.Parent.atom)
local subscribe = require(script.Parent.subscribe)
local types = require(script.Parent.types)
type Atom<T> = types.Atom<T>
type Source<T> = types.Source<T>
type Molecule<T> = types.Molecule<T>
type Map =
(<K0, V0, K1, V1>(atom: Source<{ [K0]: V0 }>, mapper: (V0, K0) -> (V1?, K1)) -> Source<{ [K1]: V1 }>)
& (<K0, V0, V1>(atom: Source<{ [K0]: V0 }>, mapper: (V0, K0) -> V1?) -> Source<{ [K0]: V1 }>)
& (<K0, V0, K1, V1>(atom: Source<{ [K0]: V0 }>, mapper: (V0, K0) -> (V1?, K1?)) -> Source<{ [K1]: V1 }>)
(<K0, V0, K1, V1>(fn: Molecule<{ [K0]: V0 }>, mapper: (V0, K0) -> (V1?, K1)) -> Molecule<{ [K1]: V1 }>)
& (<K0, V0, V1>(fn: Molecule<{ [K0]: V0 }>, mapper: (V0, K0) -> V1?) -> Molecule<{ [K0]: V1 }>)
& (<K0, V0, K1, V1>(fn: Molecule<{ [K0]: V0 }>, mapper: (V0, K0) -> (V1?, K1?)) -> Molecule<{ [K1]: V1 }>)
local function map<K0, V0, K1, V1>(itemsAtom: Source<{ [K0]: V0 }>, mapper: (V0, K0) -> (V1?, K1?)): Source<{ [K1]: V1 }>
local function map<K0, V0, K1, V1>(getItems: Molecule<{ [K0]: V0 }>, mapper: (V0, K0) -> (V1?, K1?)): Molecule<{ [K1]: V1 }>
local mappedAtom = atom({})
local mappedAtomRef = setmetatable({ current = mappedAtom }, { __mode = "v" })
local prevMappedItems: { [K1]: V1 } = {}
@ -45,8 +45,8 @@ local function map<K0, V0, K1, V1>(itemsAtom: Source<{ [K0]: V0 }>, mapper: (V0,
mappedAtom(mappedItems)
end
unsubscribe = subscribe(itemsAtom, listener)
listener(itemsAtom())
unsubscribe = subscribe(getItems, listener)
listener(getItems())
return mappedAtom
end