init with react+axum+spacetimedb

packages/shared/src/llm/parsers.ts

@@ -0,0 +1,28 @@
+export function parseJsonResponseText(text: string) {
+  const trimmed = text.trim();
+  if (!trimmed) {
+    throw new Error('LLM returned an empty response.');
+  }
+
+  const fencedMatch = trimmed.match(/```(?:json)?\s*([\s\S]*?)```/iu);
+  if (fencedMatch?.[1]) {
+    return JSON.parse(fencedMatch[1].trim());
+  }
+
+  const firstBrace = trimmed.indexOf('{');
+  const lastBrace = trimmed.lastIndexOf('}');
+  if (firstBrace >= 0 && lastBrace > firstBrace) {
+    return JSON.parse(trimmed.slice(firstBrace, lastBrace + 1));
+  }
+
+  return JSON.parse(trimmed);
+}
+
+export function parseLineListContent(text: string, maxItems = 3) {
+  return text
+    .replace(/\r/g, '')
+    .split('\n')
+    .map((line) => line.trim().replace(/^[-*\d.)\s]+/u, '').trim())
+    .filter(Boolean)
+    .slice(0, maxItems);
+}