boilerplate

src/server/api/schemas/post.ts

@@ -0,0 +1,40 @@
+import { z } from "zod";
+
+const nonEmptyString = (field: string) => z.string().trim().min(1, `${field} is required`);
+
+const blankStringToUndefined = (value: unknown) => {
+  if (value === null || value === undefined) {
+    return undefined;
+  }
+
+  if (typeof value !== "string") {
+    return value;
+  }
+
+  const trimmedValue = value.trim();
+  return trimmedValue.length > 0 ? trimmedValue : undefined;
+};
+
+export const postIdSchema = nonEmptyString("Post ID");
+
+export const listPostsInputSchema = z.object({
+  limit: z.coerce.number().int().min(1).max(50).optional(),
+});
+
+export const getPostByIdInputSchema = z.object({
+  postId: postIdSchema,
+});
+
+export const createPostInputSchema = z.object({
+  title: nonEmptyString("Title").max(160, "Title must be 160 characters or fewer"),
+  body: nonEmptyString("Body").max(10_000, "Body must be 10000 characters or fewer"),
+});
+
+export const createCommentInputSchema = z.object({
+  postId: postIdSchema,
+  body: z.preprocess(blankStringToUndefined, nonEmptyString("Comment").max(4_000, "Comment must be 4000 characters or fewer")),
+});
+
+export type ListPostsInput = z.infer<typeof listPostsInputSchema>;
+export type CreatePostInput = z.infer<typeof createPostInputSchema>;
+export type CreateCommentInput = z.infer<typeof createCommentInputSchema>;