migrate remaining themes

packages/codemirror/themes/xcodeDark.mjs

@@ -0,0 +1,34 @@
+import { tags as t } from '@lezer/highlight';
+import { createTheme } from './theme-helper.mjs';
+
+export const settings = {
+  background: '#292A30',
+  lineBackground: '#292A3099',
+  foreground: '#CECFD0',
+  caret: '#fff',
+  selection: '#727377',
+  selectionMatch: '#727377',
+  lineHighlight: '#2F3239',
+};
+
+export default createTheme({
+  theme: 'dark',
+  settings: {
+    background: '#292A30',
+    foreground: '#CECFD0',
+    caret: '#fff',
+    selection: '#727377',
+    selectionMatch: '#727377',
+    lineHighlight: '#ffffff0f',
+  },
+  styles: [
+    { tag: [t.comment, t.quote], color: '#7F8C98' },
+    { tag: [t.keyword], color: '#FF7AB2', fontWeight: 'bold' },
+    { tag: [t.string, t.meta], color: '#FF8170' },
+    { tag: [t.typeName], color: '#DABAFF' },
+    { tag: [t.definition(t.variableName)], color: '#6BDFFF' },
+    { tag: [t.name], color: '#6BAA9F' },
+    { tag: [t.variableName], color: '#ACF2E4' },
+    { tag: [t.regexp, t.link], color: '#FF8170' },
+  ],
+});