Fix an issue that couldn't link to other pattern

.babelrc

@@ -1,4 +1,5 @@
 {
+    "plugins": ["@loadable/babel-plugin"],
     "presets": [
         "@babel/preset-env",
         "@babel/preset-react"

client/loaders/DetailsLoader.jsx

@@ -5,7 +5,16 @@ import './spinner.css';
 
 const slug = item => item.toLowerCase().split(' ').join('-');
 
-const DetailsLoader = loadable(props => import(`../patterns/${slug(props.pattern)}/Details`), {
+// In order to create a link to another page that is dynamically loaded (via <Link to="...">),
+// the page chunks have to be loadable by @loadable.
+// We have to add a magic comment /* #__LOADABLE__ */ here
+// and the following plugin to Babel's settings (.babelrc):
+//  {
+//      "plugins": ["@loadable/babel-plugin"],
+//  }
+const loadDetails = /* #__LOADABLE__ */ (props) => import(`../patterns/${slug(props.pattern)}/Details`)
+
+const DetailsLoader = loadable(loadDetails, {
     fallback: (
         <div className="w100 h-100 flex items-center justify-center">
             <svg className="spinner" width="64px" height="64px" viewBox="0 0 32 32">

package-lock.json

@@ -1942,6 +1942,15 @@
                 "regenerator-runtime": "^0.13.2"
             }
         },
+        "@loadable/babel-plugin": {
+            "version": "5.10.3",
+            "resolved": "https://registry.npmjs.org/@loadable/babel-plugin/-/babel-plugin-5.10.3.tgz",
+            "integrity": "sha512-Izo4QX526f/Czvdot1izg0DtA5DfJEW5RUN28/9wt+62It4xKhVv9l0NNcTEL39xJXj7lsE4k5Z6eCBSETpHmw==",
+            "dev": true,
+            "requires": {
+                "@babel/plugin-syntax-dynamic-import": "^7.2.0"
+            }
+        },
         "@loadable/component": {
             "version": "5.10.3",
             "resolved": "https://registry.npmjs.org/@loadable/component/-/component-5.10.3.tgz",

package.json

@@ -21,6 +21,7 @@
         "@babel/core": "^7.7.4",
         "@babel/preset-env": "^7.7.4",
         "@babel/preset-react": "^7.7.4",
+        "@loadable/babel-plugin": "^5.10.3",
         "babel-loader": "^8.0.6",
         "css-loader": "^3.2.0",
         "html-webpack-plugin": "^3.2.0",