fix: handle broken parse

app/dialogue.js

@@ -22,39 +22,48 @@ function computeParams(ancestors) {
 }
 
 export function parseLetters(source) {
-  const tree = parser.parse(source);
-  tree.dialogue = {
-    name: 'rate',
-    params: {frequency: 0.05, length: 0},
-  };
-  const letters = [];
-  visit(tree, (node, ancestors) => {
-    switch (node.type) {
-      case 'mdxJsxFlowElement':
-      case 'mdxJsxTextElement': {
-        node.dialogue = {name: node.name, params: {length: 0}};
-        for (const {name, value: {value}} of node.attributes) {
-          node.dialogue.params[name] = value;
-        }
-        break;
-      }
-      case 'text': {
-        const params = computeParams(ancestors);
-        const split = node.value.split('');
-        for (let i = 0; i < split.length; ++i) {
-          const indices = {};
-          for (const name in params) {
-            indices[name] = i + params[name].length;
+  let letters = [];
+  try {
+    const tree = parser.parse(source);
+    tree.dialogue = {
+      name: 'rate',
+      params: {frequency: 0.05, length: 0},
+    };
+    visit(tree, (node, ancestors) => {
+      switch (node.type) {
+        case 'mdxJsxFlowElement':
+        case 'mdxJsxTextElement': {
+          node.dialogue = {name: node.name, params: {length: 0}};
+          for (const {name, value: {value}} of node.attributes) {
+            node.dialogue.params[name] = value;
           }
-          letters.push({character: split[i], indices, params});
+          break;
         }
-        for (const name in params) {
-          params[name].length += split.length;
+        case 'text': {
+          const params = computeParams(ancestors);
+          const split = node.value.split('');
+          for (let i = 0; i < split.length; ++i) {
+            const indices = {};
+            for (const name in params) {
+              indices[name] = i + params[name].length;
+            }
+            letters.push({character: split[i], indices, params});
+          }
+          for (const name in params) {
+            params[name].length += split.length;
+          }
+          break;
         }
-        break;
       }
-    }
-  });
+    });
+  }
+  catch (e) {
+    letters = source.split('').map((character) => (({
+      character,
+      indices: {},
+      params: {rate: {frequency: 0.05}},
+    })));
+  }
   return letters;
 }