add shared

server/src/validation/projects.ts

@@ -1,6 +1,11 @@
+import type { ProjectStatus } from '@shared/models/project';
 import { HttpError } from '../errors/http-error.js';
 
-const projectStatuses = new Set(['active', 'archived']);
+const projectStatuses = new Set<ProjectStatus>(['active', 'archived']);
+
+const isProjectStatus = (value: unknown): value is ProjectStatus => {
+  return typeof value === 'string' && projectStatuses.has(value as ProjectStatus);
+};
 
 const isStringArray = (value: unknown): value is string[] => {
   return (
@@ -12,7 +17,7 @@ const isStringArray = (value: unknown): value is string[] => {
 export interface ProjectCreateInput {
   name: string;
   description: string | null;
-  status: 'active' | 'archived';
+  status: ProjectStatus;
   projectAttributes: string[];
   projectPriorityRules: unknown;
 }
@@ -40,7 +45,7 @@ export const parseProjectCreatePayload = (payload: unknown): ProjectCreateInput
     throw new HttpError(400, 'description must be a string or null');
   }
 
-  if (typeof status !== 'string' || !projectStatuses.has(status)) {
+  if (!isProjectStatus(status)) {
     throw new HttpError(400, 'status must be one of active, archived');
   }
 
@@ -52,7 +57,7 @@ export const parseProjectCreatePayload = (payload: unknown): ProjectCreateInput
   return {
     name: name.trim(),
     description: description === null ? null : description,
-    status: status as 'active' | 'archived',
+    status: status as ProjectStatus,
     projectAttributes,
     projectPriorityRules: priorityRules ?? []
   };
@@ -84,10 +89,10 @@ export const parseProjectUpdatePayload = (
   }
 
   if (status !== undefined) {
-    if (typeof status !== 'string' || !projectStatuses.has(status)) {
+    if (!isProjectStatus(status)) {
       throw new HttpError(400, 'status must be one of active, archived');
     }
-    result.status = status as 'active' | 'archived';
+    result.status = status;
   }
 
   if (attributes !== undefined) {
@@ -108,12 +113,12 @@ export const parseProjectUpdatePayload = (
   return result;
 };
 
-export const parseProjectStatusFilter = (value: unknown): 'active' | 'archived' | undefined => {
+export const parseProjectStatusFilter = (value: unknown): ProjectStatus | undefined => {
   if (value === undefined) {
     return undefined;
   }
-  if (typeof value !== 'string' || !projectStatuses.has(value)) {
+  if (!isProjectStatus(value)) {
     throw new HttpError(400, 'status filter must be one of active, archived');
   }
-  return value as 'active' | 'archived';
+  return value;
 };