Switch to a smaller/faster TOML parser.

package.json

@@ -157,7 +157,7 @@
     "slate-edit-table": "^0.10.1",
     "slate-soft-break": "^0.3.0",
     "slug": "^0.9.1",
-    "toml": "^2.3.3",
+    "toml-j0.4": "^1.1.1",
     "unified": "^6.1.4",
     "unist-builder": "^1.0.2",
     "unist-util-visit-parents": "^1.1.1",

src/formats/frontmatter.js

@@ -1,5 +1,5 @@
 import matter from 'gray-matter';
-import tomlEng from 'toml';
+import tomlEng from 'toml-j0.4';
 import YAML from './yaml';
 
 const parsers = {

yarn.lock

@@ -8576,9 +8576,9 @@ to-fast-properties@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
 
-toml@^2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/toml/-/toml-2.3.3.tgz#8d683d729577cb286231dfc7a8affe58d31728fb"
+toml-j0.4@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/toml-j0.4/-/toml-j0.4-1.1.1.tgz#eb0c70348609a0263bb1d6e4a3dd191dcca60866"
 
 topbar@^0.1.3:
   version "0.1.3"