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import type { Node } from 'slate';
import type {
InitialSlateStateDef,
SlateDefNode,
SlatePluginNode,
} from '../types/initialSlateState';
import type { SlatePlugin } from '../types/SlatePlugin';
import flattenDeep from './flattenDeep';
/**
* FIXME: transformInitialSlateState does some polymorphic type magic, so that it is directly
* compatible with the shipped default plugins or plugins created with pluginFactories
*
* This is a bit ugly and might be hard to understand,
* but on the other hand its easy to use for developers that use this library
*
* Basicaly what we do is to unpack the factory or its result until we find
* - object: "block" | "inline" | "mark"
* - type: "SOMESTRING"
*
* We might revisit this in the future.
*
*/
const transformChildren = (defNodes: SlateDefNode[]): Node[] =>
defNodes.map((defNode) => {
if ((defNode as SlatePluginNode).plugin) {
const defPluginNode: SlatePluginNode = defNode as SlatePluginNode;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const slatePluginOrList = (defPluginNode.plugin as any).toPlugin
? // eslint-disable-next-line @typescript-eslint/no-explicit-any
(defPluginNode.plugin as any).toPlugin()
: defPluginNode.plugin;
// the result of plugin.toPlugin might be an array, e.g. the list plugin is an array, because it defines ul, li AND indention-options on the same plugin
const firstComponentPlugin = flattenDeep<SlatePlugin>(
slatePluginOrList
).find((plugin) => plugin.pluginType === 'component' || plugin);
if (
firstComponentPlugin &&
firstComponentPlugin.pluginType === 'component'
) {
return {
type: firstComponentPlugin.type,
...(defPluginNode.data ?? {}),
children: defPluginNode.children
? transformChildren(defPluginNode.children)
: [],
} as any;
} else {
return null;
}
} else if (typeof defNode === 'string') {
return {
text: defNode as string,
};
}
});
export default (def: InitialSlateStateDef) => ({
slate: transformChildren(def.children),
});
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