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import { useCallback } from 'react';
import type { BaseElement, Editor } from 'slate';
import { Transforms } from 'slate';
import { useSlate } from 'slate-react';
import type { SlatePluginDefinition } from '../types/slatePluginDefinitions';
import { getCurrentNodeWithPlugin } from './useCurrentNodeWithPlugin';
import { removePlugin } from './useRemovePlugin';
import getCurrentData from '../utils/getCurrentData';
import type { Data } from '../types';
export const addPlugin = <T extends Data>(
editor: Editor,
plugin: SlatePluginDefinition<T>,
props?: { data?: T; text?: string | null }
) => {
const { data: passedData, text } = props || {};
const currentNodeEntry = getCurrentNodeWithPlugin(editor, plugin);
if (text) {
const withExtraSpace =
plugin.pluginType === 'component' &&
plugin.object === 'inline' &&
plugin.addExtraSpace;
const textToInsert = withExtraSpace ? text + ' ' : text;
editor.insertText(textToInsert);
if (editor.selection) {
Transforms.select(editor, {
anchor: editor.selection.anchor,
focus: {
...editor.selection.focus,
offset: editor.selection.focus.offset - textToInsert.length,
},
});
}
}
const data =
passedData || (plugin.getInitialData ? plugin.getInitialData() : null);
if (currentNodeEntry) {
Transforms.select(editor, currentNodeEntry[1]);
removePlugin(editor, plugin);
}
// add new
if (plugin.customAdd) {
plugin.customAdd(editor);
} else if (plugin.pluginType === 'component') {
if (plugin.object === 'mark') {
editor.addMark(plugin.type, data || true);
} else if (plugin.isVoid) {
Transforms.insertNodes(editor, {
type: plugin.type,
data,
children: [{ text: '' }],
});
} else {
if (plugin.object === 'block' && plugin.replaceWithDefaultOnRemove) {
Transforms.setNodes(editor, { type: plugin.type, data });
} else {
Transforms.wrapNodes(
editor,
{
type: plugin.type,
children: [],
data,
},
{ split: true }
);
// workaround for inline problems in slate
if (
plugin.object === 'inline' &&
plugin.addExtraSpace &&
!text &&
editor.selection
) {
const focus = { ...editor.selection.focus };
Transforms.insertText(editor, ' ', {
at: editor.selection.focus,
});
Transforms.select(editor, focus);
}
}
}
} else if (plugin.pluginType === 'data') {
const existingData = getCurrentData(editor) ?? {};
Transforms.setNodes(editor, {
data: {
...existingData,
...((data ?? {}) as Record<string, unknown>),
},
});
}
};
export default <T extends Data>(plugin: SlatePluginDefinition<T>) => {
const editor = useSlate();
return useCallback(
(props?: { data?: T; text?: string | null }) =>
addPlugin(editor, plugin, props),
[]
);
};
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