🍔 Consume myst-parser and role/directive extensions in myst-cli

packages/myst-cli/package.json

@@ -76,14 +76,15 @@
     "myst-config": "^0.0.9",
     "myst-ext-card": "^0.0.1",
     "myst-ext-grid": "^0.0.1",
+    "myst-ext-reactive": "^0.0.1",
     "myst-ext-tabs": "^0.0.1",
     "myst-frontmatter": "^0.0.8",
+    "myst-parser": "^0.0.15",
     "myst-spec": "^0.0.4",
     "myst-templates": "^0.1.6",
     "myst-to-docx": "^0.0.10",
     "myst-to-tex": "^0.0.15",
     "myst-transforms": "^0.0.15",
-    "mystjs": "^0.0.15",
     "nanoid": "^4.0.0",
     "nbtx": "^0.2.3",
     "node-fetch": "^3.2.10",

packages/myst-cli/src/process/file.ts

@@ -40,7 +40,7 @@ export async function loadFile(
         const content = fs.readFileSync(file).toString();
         const { sha256, useCache } = checkCache(cache, content, file);
         if (useCache) break;
-        const mdast = parseMyst(content);
+        const mdast = parseMyst(session, content, file);
         cache.$mdast[file] = {
           sha256,
           pre: { kind: KINDS.Article, file, mdast },

packages/myst-cli/src/process/myst.ts

@@ -0,0 +1,22 @@
+import type { Root } from 'mdast';
+import { mystParse } from 'myst-parser';
+import { cardDirective } from 'myst-ext-card';
+import { gridDirective } from 'myst-ext-grid';
+import { reactiveDirective, reactiveRole } from 'myst-ext-reactive';
+import { tabDirectives } from 'myst-ext-tabs';
+import { VFile } from 'vfile';
+import type { ISession } from '../session';
+import { logMessagesFromVFile } from '../utils';
+
+export function parseMyst(session: ISession, content: string, file: string): Root {
+  const vfile = new VFile();
+  vfile.path = file;
+  const parsed = mystParse(content, {
+    markdownit: { linkify: true },
+    directives: [cardDirective, gridDirective, reactiveDirective, ...tabDirectives],
+    roles: [reactiveRole],
+    vfile,
+  });
+  logMessagesFromVFile(session, vfile);
+  return parsed;
+}