Break schema out into its own file; Add top-level attributes (#57)

Author: chrischrischris

src/collab.js

@@ -12,132 +12,10 @@
 import {
   prosemirrorToYXmlFragment, yDocToProsemirror,
 } from 'y-prosemirror';
-import {
-  DOMParser, DOMSerializer, Schema,
-} from 'prosemirror-model';
-import { addListNodes } from 'prosemirror-schema-list';
-import {
-  tableNodes,
-} from 'prosemirror-tables';
-import { schema as baseSchema } from 'prosemirror-schema-basic';
+import { DOMParser, DOMSerializer } from 'prosemirror-model';
 import { fromHtml } from 'hast-util-from-html';
 import { matches } from 'hast-util-select';
-
-function parseLocDOM(locTag) {
-  return [{
-    tag: locTag,
-
-    // Do we need to add this to the contentElement function?
-    // Only parse the content of the node, not the temporary elements
-    // const deleteThese = dom.querySelectorAll('[loc-temp-dom]');
-    // deleteThese.forEach((e) => e.remove());
-    contentElement: (dom) => dom,
-  }];
-}
-
-function addLocNodes(baseNodes) {
-  if (!baseNodes.content.includes('loc_deleted')) {
-    baseNodes.content.push('loc_deleted');
-    baseNodes.content.push({
-      group: 'block',
-      content: 'block+',
-      parseDOM: parseLocDOM('da-loc-deleted'),
-      toDOM: () => ['da-loc-deleted', { contenteditable: false }, 0],
-    });
-    baseNodes.content.push('loc_added');
-    baseNodes.content.push({
-      group: 'block',
-      content: 'block+',
-      parseDOM: parseLocDOM('da-loc-added'),
-      toDOM: () => ['da-loc-added', { contenteditable: false }, 0],
-    });
-  }
-  return baseNodes;
-}
-
-function addCustomMarks(marks) {
-  const sup = {
-    parseDOM: [{ tag: 'sup' }, { clearMark: (m) => m.type.name === 'sup' }],
-    toDOM() { return ['sup', 0]; },
-  };
-
-  const sub = {
-    parseDOM: [{ tag: 'sub' }, { clearMark: (m) => m.type.name === 'sub' }],
-    toDOM() { return ['sub', 0]; },
-  };
-
-  const contextHighlight = { toDOM: () => ['span', { class: 'highlighted-context' }, 0] };
-
-  return marks
-    .addToEnd('sup', sup)
-    .addToEnd('sub', sub)
-    .addToEnd('contextHighlightingMark', contextHighlight);
-}
-
-function getImageNodeWithHref() {
-  // due to bug in y-prosemirror, add href to image node
-  // which will be converted to a wrapping <a> tag
-  return {
-    inline: true,
-    attrs: {
-      src: { validate: 'string' },
-      alt: { default: null, validate: 'string|null' },
-      title: { default: null, validate: 'string|null' },
-      href: { default: null, validate: 'string|null' },
-    },
-    group: 'inline',
-    draggable: true,
-    parseDOM: [{
-      tag: 'img[src]',
-      getAttrs(dom) {
-        return {
-          src: dom.getAttribute('src'),
-          title: dom.getAttribute('title'),
-          alt: dom.getAttribute('alt'),
-          href: dom.getAttribute('href'),
-        };
-      },
-    }],
-    toDOM(node) {
-      const {
-        src,
-        alt,
-        title,
-        href,
-      } = node.attrs;
-      return ['img', {
-        src,
-        alt,
-        title,
-        href,
-      }];
-    },
-  };
-}
-
-function getTableNodeSchema() {
-  const getTableAttrs = (dom) => ({
-    dataId: dom.getAttribute('dataId') || null,
-  });
-
-  const schema = tableNodes({ tableGroup: 'block', cellContent: 'block+' });
-  schema.table.attrs = { dataId: { default: null } };
-  schema.table.parseDOM = [{ tag: 'table', getAttrs: (dom) => getTableAttrs(dom) }];
-  schema.table.toDOM = (node) => ['table', node.attrs, ['tbody', 0]];
-  return schema;
-}
-
-// Note: until getSchema() is separated in its own module, this function needs to be kept in-sync
-// with the getSchema() function in da-live blocks/edit/prose/index.js
-function getSchema() {
-  const { marks, nodes: baseNodes } = baseSchema.spec;
-  const withLocNodes = addLocNodes(baseNodes);
-  const withListnodes = addListNodes(withLocNodes, 'block+', 'block');
-  const withTableNodes = withListnodes.append(getTableNodeSchema());
-  const nodes = withTableNodes.update('image', getImageNodeWithHref());
-  const customMarks = addCustomMarks(marks);
-  return new Schema({ nodes, marks: customMarks });
-}
+import { getSchema } from './schema.js';
 
 function convertSectionBreak(node) {
   if (!node) return;