src/client/views/nodes/formattedText/schema_rts.ts


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import { Schema, Slice } from 'prosemirror-model';

import { nodes } from './nodes_rts';
import { marks } from './marks_rts';

// :: Schema
// This schema rougly corresponds to the document schema used by
// [CommonMark](http://commonmark.org/), minus the list elements,
// which are defined in the [`prosemirror-schema-list`](#schema-list)
// module.
//
// To reuse elements from this schema, extend or read from its
// `spec.nodes` and `spec.marks` [properties](#model.Schema.spec).

export const schema = new Schema({ nodes, marks });

const fromJson = schema.nodeFromJSON;

schema.nodeFromJSON = (json: any) => {
    const node = fromJson(json);
    if (json.type === schema.nodes.summary.name) {
        // bcz: this is a hacky way to convert the JSON that's serialized for a summary node into the Slice that the summary node wants at run-time.
        //      since attrs are readonly, assigning the text field like this violates the way prosemirror works, but I think we can get away with it.
        (node.attrs.text as any) = Slice.fromJSON(schema, node.attrs.textslice);
    }
    return node;
};