(action-context-provider & args)
a ContextProvider element to provide an action-context
props:
context
- the action-context
React contextinitial-arg
- the initial state
valuechildren
- only the first child will be included
as a child of the ContextProvider
elementa ContextProvider element to provide an action-context props: - `context` - the `action-context` React context - `initial-arg` - the initial `state` value - `children` - only the first child will be included as a child of the `ContextProvider` element
(create-action-context)
create the React Context
object
create the React `Context` object
(def-action key [state-bindings action-bindings] & body)
define a generic action
key
: the action keystate-bindings
: fn bindings to destructure the stateaction-bindings
: fn bindings to destructure the actionbody
: any forms which return an action handle
ActionEffects fn
(i.e. a (fn <state>)). can use the action-bindings
define a generic action - `key` : the action key - `state-bindings` : fn bindings to destructure the state - `action-bindings` : fn bindings to destructure the action - `body` : any forms which return an action `handle` ActionEffects fn (i.e. a (fn <state>)). can use the `action-bindings`
(def-state-action key [state-bindings action-bindings] & body)
define an action with only state effects
key
: the action keystate-bindings
: fn bindings to destructure the stateaction-bindings
: fn bindings to destructure the actionbody
: forms for a (fn <state>)->state .
can use the action-bindings
define an action with only state effects - `key` : the action key - `state-bindings` : fn bindings to destructure the state - `action-bindings` : fn bindings to destructure the action - `body` : forms for a (fn <state>)->state . can use the `action-bindings`
(use-action ctx)
(use-action ctx path)
get a state value and dispatch fn
ctx
- the action contextpath
- optional path into state for returned state value
returns:
[state dispatch]get a state value and dispatch fn - `ctx` - the action context - `path` - optional path into state for returned state value returns: [state dispatch]
(use-action-context ctx)
get the value from an action-context
get the value from an `action-context`
(use-action-dispatch ctx)
get a dispatch fn
ctx
- the action contextget a dispatch fn - `ctx` - the action context
(use-action-state ctx)
(use-action-state ctx path)
extract the value at path
(default nil
) in the current state
from an action-context
extract the value at `path` (default `nil`) in the current `state` from an `action-context`
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