feat: add shared validation for chainage and coordinates

src/app/(modules)/project/components/ProjectDialog.tsx

@@ -66,7 +66,11 @@ export function ProjectDialog({
           </DialogDescription>
         </DialogHeader>
 
-        <form noValidate onSubmit={onSubmit} className="flex min-h-0 flex-1 flex-col">
+        <form
+          noValidate
+          onSubmit={onSubmit}
+          className="flex min-h-0 flex-1 flex-col"
+        >
           <div className="max-h-[58vh] space-y-6 overflow-y-auto px-6 py-4">
             <section className="space-y-4">
               <div className="space-y-1">
@@ -94,14 +98,14 @@ export function ProjectDialog({
                 <FormField id="project-state" label="State">
                   <Input
                     id="project-state"
-                    placeholder="Maharashtra"
+                    placeholder="Enter state"
                     {...register('state')}
                   />
                 </FormField>
                 <FormField id="project-corridor" label="Corridor Name">
                   <Input
                     id="project-corridor"
-                    placeholder="Mumbai-Goa Highway"
+                    placeholder="Enter corridor name"
                     {...register('corridor_name')}
                   />
                 </FormField>
@@ -127,7 +131,9 @@ export function ProjectDialog({
                       id="project-start-lat"
                       type="number"
                       step="any"
-                      placeholder="0.0000"
+                      min="-90"
+                      max="90"
+                      placeholder="Enter start latitude"
                       aria-invalid={!!startLatErrorMessage}
                       {...register('start_lat')}
                     />
@@ -141,7 +147,9 @@ export function ProjectDialog({
                       id="project-start-lng"
                       type="number"
                       step="any"
-                      placeholder="0.0000"
+                      min="-180"
+                      max="180"
+                      placeholder="Enter start longitude"
                       aria-invalid={!!startLngErrorMessage}
                       {...register('start_lng')}
                     />
@@ -158,7 +166,9 @@ export function ProjectDialog({
                       id="project-end-lat"
                       type="number"
                       step="any"
-                      placeholder="0.0000"
+                      min="-90"
+                      max="90"
+                      placeholder="Enter end latitude"
                       aria-invalid={!!endLatErrorMessage}
                       {...register('end_lat')}
                     />
@@ -172,7 +182,9 @@ export function ProjectDialog({
                       id="project-end-lng"
                       type="number"
                       step="any"
-                      placeholder="0.0000"
+                      min="-180"
+                      max="180"
+                      placeholder="Enter end longitude"
                       aria-invalid={!!endLngErrorMessage}
                       {...register('end_lng')}
                     />
@@ -192,7 +204,9 @@ export function ProjectDialog({
               Cancel
             </Button>
             <Button type="submit" disabled={isSaving || !canSubmit}>
-              {isSaving ? <Loader2 className="mr-2 size-4 animate-spin" /> : null}
+              {isSaving ? (
+                <Loader2 className="mr-2 size-4 animate-spin" />
+              ) : null}
               {projectId ? 'Update Project' : 'Create Project'}
             </Button>
           </DialogFooter>

src/app/(modules)/project/hooks/useProjectForm.ts

@@ -7,30 +7,24 @@ import { useForm, useWatch } from 'react-hook-form';
 import { toast } from 'sonner';
 import { z } from 'zod';
 
+import {
+  optionalLatitude,
+  optionalLongitude,
+} from '@/lib/validation/numberField';
 import { projectService } from '@/services/api';
 import type { Project, ProjectCreate, ProjectUpdate } from '@/types';
 
 import { projectKeys } from '../queries/projectKeys';
 
-const optionalCoordinate = z.string().refine(
-  (value) => {
-    if (!value.trim()) {
-      return true;
-    }
-    return Number.isFinite(Number(value));
-  },
-  { message: 'Enter a valid number' },
-);
-
 const projectFormSchema = z.object({
   id: z.string().optional(),
   name: z.string().trim().min(1, 'Project name is required'),
   state: z.string().optional(),
   corridor_name: z.string().optional(),
-  start_lat: optionalCoordinate,
-  start_lng: optionalCoordinate,
-  end_lat: optionalCoordinate,
-  end_lng: optionalCoordinate,
+  start_lat: optionalLatitude,
+  start_lng: optionalLongitude,
+  end_lat: optionalLatitude,
+  end_lng: optionalLongitude,
 });
 
 export type ProjectFormValues = z.infer<typeof projectFormSchema>;