feat: ✨ get multiple field by camel or snake case

Author: chantouchsek

src/__tests__/validator.test.ts

@@ -226,4 +226,12 @@ describe('Validator', () => {
 
     expect(validator.first(['name[0].kh'])).toEqual('This fist name field is required')
   })
+
+  it('should reflect the field name by camel or snake case', () => {
+    const errors = { firstName: ['This fist name field is required'] }
+    validator.fill(errors)
+
+    expect(validator.has(['first_name'])).toBeTruthy()
+    expect(validator.first(['first_name'])).toEqual('This fist name field is required')
+  })
 })

src/core/Validator.ts

@@ -31,8 +31,8 @@ class Validator {
   }
 
   first(field: string | string[]): string | Record<string, any> | undefined {
-    const fields = this.fields(field)
     if (Array.isArray(field)) {
+      const fields = this.fields(field)
       for (const f of fields) {
         if (!has(this.errors, f)) continue
         return this.first(f)
@@ -117,7 +117,7 @@ class Validator {
     this.clear(names)
   }
 
-  fields(field: string | string[]) {
+  fields(field: string | string[]): string[] {
     const fields = []
     if (Array.isArray(field)) {
       for (const f of field) {