Initial commit

src/init.lua

@@ -0,0 +1,84 @@
+--------------------------------------------------------------------------------------------------------------
+-- vide.lua
+-- v0.1.0
+--------------------------------------------------------------------------------------------------------------
+
+if not game then script = (require :: any) "test/wrap-require" end
+
+local create = require(script.create)
+local apply = require(script.apply)
+local wrap = require(script.wrap)
+local watch = require(script.watch)
+local derive = require(script.derive)
+local map = require(script.map)
+
+local unwrap = require(script.unwrap)
+local wrapped = require(script.wrapped)
+
+local Layout = require(script.Layout)
+local Children = require(script.Children)
+local Event = require(script.Event)
+local Changed = require(script.Change)
+local Created = require(script.Created)
+
+local spring, updateSprings = require(script.spring)()
+
+local flags = require(script.flags)
+
+type Map<K, V> = { [K]: V }
+type Unwrapper = <T>(T) -> T
+type Setter<T> = ( (new: T, force: true?) -> T ) & ( (update: (old: T) -> T, force: true?) -> T )
+
+local vide = {
+    -- core
+    create = create,
+    apply = apply,
+    wrap = (wrap :: any) :: <T>(value: T?) -> (T, Setter<T>),
+    derive = (derive :: any) :: <T>(deriver: (from: <U>(U) -> U) -> T, cleanup: (T) -> ()?) -> T,
+    map = (map :: any) :: ( <V>(input: number, transform: (number) -> V, cleanup: (V) -> ()?) -> Map<number, V> ) & ( <K, VI, VO>(input: Map<K, VI>, transform: (K, VI) -> VO, cleanup: (VO) -> ()?) -> Map<K, VO> ),
+    watch = watch :: ((Unwrapper) -> ()) -> () -> (),
+
+    -- util
+    unwrap = unwrap,
+    wrapped = wrapped,
+
+    -- animations
+    spring = (spring :: any) :: <T>(input: T, period: number, damping: number?) -> T,
+
+    -- symbols
+    Event = Event,
+    Changed = Changed,
+    Layout = Layout,
+    Children = Children,
+    Created = Created,
+
+    -- flags
+    strict = (nil :: any) :: boolean,
+
+    -- test
+    step = function(dt: number)
+        updateSprings(dt)
+    end
+}
+
+setmetatable(vide :: any, {
+    __index = function(_, index: unknown)
+        error(string.format("\"%s\" is not a valid member of vide", tostring(index)), 2)
+    end,
+
+    __newindex = function(_, index: unknown, value: unknown)
+        if index == "strict" then
+            flags.strict = if type(value) == "boolean" then value else error("strict must be a boolean", 2)
+        else
+            error(string.format("\"%s\" is not a valid member of vide", tostring(index)), 2)
+        end
+    end
+})
+
+if game then
+    game:GetService("RunService").Heartbeat:Connect(function(dt: number)
+        task.defer(vide.step, dt)
+    end)
+end
+
+return vide