Add list tests

jest.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+  testEnvironment: 'jsdom',
+};

package.json

@@ -69,6 +69,7 @@
     "html-loader": "4.2.0",
     "html-webpack-plugin": "5.5.0",
     "jest": "29.0.3",
+    "jest-environment-jsdom": "29.1.2",
     "mini-css-extract-plugin": "2.6.1",
     "path-browserify": "1.0.1",
     "sass": "1.55.0",

src/util/markdown.js

@@ -153,11 +153,22 @@ const markdownRules = {
 
       state._list = oldList;
 
-      if (!state._list) {
+      if (state._list) {
+        items = `\n${items}`;
+      } else {
         items += '\n\n';
       }
       return items;
     },
+    html: (node, output, state) => {
+      const items = node.items
+        .map((item) => htmlTag('li', output(item, state)))
+        .join('');
+
+      return htmlTag(node.ordered ? 'ol' : 'ul', items, {
+        start: node.start === 1 ? undefined : node.start,
+      });
+    },
   },
   def: undefined,
   table: {
@@ -358,7 +369,7 @@ function mapElement(el) {
           return false;
         });
       }
-      return [{ type: 'codeBlock', lang, content: el.innerText }];
+      return [{ type: 'codeBlock', lang, content: el.textContent }];
     }
     case 'BLOCKQUOTE':
       return [{ type: 'blockQuote', content: mapChildren(el) }];
@@ -368,7 +379,7 @@ function mapElement(el) {
       return [{
         type: 'list',
         ordered: true,
-        start: Number(el.getAttribute('start')),
+        start: Number(el.getAttribute('start')) || 1,
         items: Array.from(el.childNodes).map(mapNode),
       }];
     case 'TABLE': {
@@ -433,7 +444,7 @@ function mapElement(el) {
     case 'STRIKE':
       return [{ type: 'del', content: mapChildren(el) }];
     case 'CODE':
-      return [{ type: 'inlineCode', content: el.innerText }];
+      return [{ type: 'inlineCode', content: el.textContent }];
 
     case 'DIV':
       if (el.hasAttribute('data-mx-maths')) {

src/util/markdown.test.js

@@ -1,17 +1,21 @@
 /* eslint-disable no-param-reassign */
 /* eslint-disable no-undef */
 
-import { markdown } from './markdown';
+import { html, markdown } from './markdown';
 
-function mdTest(source, plain, html) {
+function mdTest(source, plain, htmlStr) {
   test(source, () => {
-    if (html === undefined) {
-      html = plain;
+    if (htmlStr === undefined) {
+      htmlStr = plain;
       plain = source;
     }
+
     const content = markdown(source, { kind: 'edit' });
     expect(content.plain).toBe(plain);
-    expect(content.html).toBe(html);
+    expect(content.html).toBe(htmlStr);
+
+    const htmlContent = html(htmlStr, { kind: 'edit', onlyPlain: true });
+    expect(htmlContent.plain).toBe(plain);
   });
 }
 
@@ -85,3 +89,19 @@ describe('blockquote', () => {
 
   mdTest('> quote\n\ntext after', '<blockquote>quote</blockquote>text after');
 });
+
+describe('list', () => {
+  mdTest('* item1\n* item2', '<ul><li>item1</li><li>item2</li></ul>');
+  mdTest('- item1\n- item2', '* item1\n* item2', '<ul><li>item1</li><li>item2</li></ul>');
+
+  mdTest('1. item1\n2. item2', '<ol><li>item1</li><li>item2</li></ol>');
+  mdTest('2. item2\n3. item3', '<ol start="2"><li>item2</li><li>item3</li></ol>');
+
+  mdTest('* item1\n  * subitem1\n  * subitem2\n* item2', '<ul><li>item1<ul><li>subitem1</li><li>subitem2</li></ul></li><li>item2</li></ul>');
+
+  const elementHtml = '<ul><li>item1<ul><li>subitem1</li><li>subitem2</li></ul></li><li>item2</li></ul>';
+  test(elementHtml, () => {
+    const content = html(elementHtml, { kind: 'edit', onlyPlain: true });
+    expect(content.plain).toBe('* item1\n  * subitem1\n  * subitem2\n* item2');
+  });
+});