Function applyProps

dash/dash-renderer/src/observers/executedCallbacks.ts:50–79

(id: any, updatedProps: any)

        } = getState();

        function applyProps(id: any, updatedProps: any) {
            const {layout, paths} = getState();
            const itempath = getPath(paths, id);
            if (!itempath) {
                return false;
            }

            // This is a callback-generated update.
            // Check if this invalidates existing persisted prop values,
            // or if persistence changed, whether this updates other props.
            updatedProps = prunePersistence(
                path(itempath, layout),
                updatedProps,
                dispatch
            );

            // In case the update contains whole components, see if any of
            // those components have props to update to persist user edits.
            const {props} = applyPersistence({props: updatedProps}, dispatch);
            (dispatch as ThunkDispatch<any, any, AnyAction>)(
                updateProps({
                    itempath,
                    props,
                    source: 'response',
                    renderType: 'callback'
                })
            );

            return props;
        }

        let requestedCallbacks: ICallback[] = [];
        const storedCallbacks: IStoredCallback[] = [];