feat: version 2 beta

libraries/zod.ts

@@ -0,0 +1,33 @@
+import { ZodError } from "zod";
+
+export function toPrettyErrorLines(error: ZodError, padding: number = 0): string[] {
+  const lines: string[] = [];
+  const margin = " ".repeat(padding);
+  const issues = [...error.issues].sort((a, b) => a.path.length - b.path.length);
+  for (const issue of issues) {
+    lines.push(`${margin}✖ ${issue.message}`);
+    if (issue.path?.length) {
+      lines.push(`${margin}  → at ${toDotPath(issue.path)}`);
+    }
+  }
+  return lines;
+}
+
+function toDotPath(path: (string | number | symbol)[]): string {
+  const segs: string[] = [];
+  for (const seg of path) {
+    if (typeof seg === "number") {
+      segs.push(`[${seg}]`);
+    } else if (typeof seg === "symbol") {
+      segs.push(`["${String(seg)}"]`);
+    } else if (seg.includes(".")) {
+      segs.push(`["${seg}"]`);
+    } else {
+      if (segs.length) {
+        segs.push(".");
+      }
+      segs.push(seg);
+    }
+  }
+  return segs.join("");
+}