usePuck
A hook for building custom components that can interact with Puck.
import { Puck, usePuck } from "@measured/puck";
const JSONRenderer = () => {
const { appState } = usePuck();
return <div>{JSON.stringify(appState.data)}</div>;
};
export function Editor() {
return (
<Puck>
<JSONRenderer />
</Puck>
);
}
Components using the usePuck
hook must be rendered within the <Puck>
context as children
, overrides
or plugins
.
Returns
Param | Example | Type |
---|---|---|
appState | { data: {}, ui: {} } | AppState |
dispatch | (action: PuckAction) => void | Function |
history | {} | Object |
selectedItem | { type: "Heading", props: {id: "my-heading"} } | ComponentData |
setHistories | setHistories: (histories) => {} | Function |
setHistoryIndex | setHistoryIndex: (index) => {} | Function |
appState
The current application state for this Puck instance.
console.log(appState.data);
// { content: [], root: {}, zones: {} }
dispatch
Execute an action to mutate the Puck application state.
dispatch({
type: "setUi",
ui: {
leftSideBarVisible: false,
},
});
history
The history
API provides programmatic access to the undo/redo AppState history.
Param | Example | Type |
---|---|---|
back | () => void | Function |
forward | () => void | Function |
hasPast | true | Boolean |
hasFuture | false | Boolean |
histories | [{ id: 'abc123', data: {} }] | History[] |
index | 5 | Number |
history.back
A function to move the app state back through the histories.
history.forward
A function to move the app state forward through the histories.
history.hasPast
A boolean describing whether or not the present app state has past history items.
history.hasFuture
A boolean describing whether or not the present app state has future history items.
history.histories
An array describing the recorded history as History
objects.
History
params
Param | Example | Type |
---|---|---|
data | {} | AppState |
id | abc123 | String |
data
The app state payload for this history entry.
id
A unique ID for this history entry.
history.index
The index of the currently selected history in history.histories
selectedItem
The currently selected item, as defined by appState.ui.itemSelector
.
console.log(selectedItem);
// { type: "Heading", props: {id: "my-heading"} }
setHistories
A function to set the history state.
const { setHistories } = usePuck();
setHistories([]); // clears all history
setHistoryIndex
A function to set current history index.
const { setHistoryIndex } = usePuck();
setHistoryIndex(2);