chore: few minor updates

Author: chrisbbreuer

src/lib/isEmail.ts

@@ -60,7 +60,7 @@ function validateDisplayName(display_name: string): boolean {
   return true
 }
 
-export default function isEmail(str: string, options: any): boolean {
+export default function isEmail(str: string, options: any = {}): boolean {
   assertString(str)
   options = merge(options, default_email_options)
 

src/lib/ltrim.ts

@@ -7,7 +7,7 @@ import assertString from './util/assertString'
  * @param chars - Options object
  * @returns The processed string
  */
-export default function ltrim(str: string, chars: string): string {
+export default function ltrim(str: string, chars?: string): string {
   assertString(str)
   // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#Escaping
   const pattern = chars ? new RegExp(`^[${chars.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')}]+`, 'g') : /^\s+/g

src/lib/rtrim.ts

@@ -7,7 +7,7 @@ import assertString from './util/assertString'
  * @param chars - Options object
  * @returns The processed string
  */
-export default function rtrim(str: string, chars: string): string {
+export default function rtrim(str: string, chars?: string): string {
   assertString(str)
   if (chars) {
     // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#Escaping

src/lib/trim.ts

@@ -8,6 +8,6 @@ import rtrim from './rtrim'
  * @param chars - Options object
  * @returns The processed string
  */
-export default function trim(str: string, chars: string): string {
+export default function trim(str: string, chars?: string): string {
   return rtrim(ltrim(str, chars), chars)
 }

src/validators/objects.ts

@@ -7,14 +7,19 @@ export class ObjectValidator<T extends Record<string, any>> extends BaseValidato
   private schema: Record<string, Validator<any>> = {}
   private strictMode = false
 
-  constructor() {
+  constructor(schema?: Record<string, Validator<any>>) {
     super()
     this.addRule({
       name: 'object',
       test: (value: unknown): value is T =>
         typeof value === 'object' && value !== null && !Array.isArray(value),
       message: 'Must be an object',
     })
+
+    // If schema is provided in constructor, set it up immediately
+    if (schema) {
+      this.shape(schema)
+    }
   }
 
   shape(schema: Record<string, Validator<any>>): this {
@@ -53,6 +58,14 @@ export class ObjectValidator<T extends Record<string, any>> extends BaseValidato
     return this
   }
 
+  custom(validationFn: (value: T) => boolean, message: string): this {
+    return this.addRule({
+      name: 'custom',
+      test: (value: T) => value === undefined || value === null || validationFn(value),
+      message,
+    })
+  }
+
   validate(value: T): ValidationResult {
     const result = super.validate(value)
     if (!result.valid)
@@ -97,6 +110,6 @@ export class ObjectValidator<T extends Record<string, any>> extends BaseValidato
   }
 }
 
-export function object<T extends Record<string, any>>(): ObjectValidator<T> {
-  return new ObjectValidator<T>()
+export function object<T extends Record<string, any>>(schema?: Record<string, Validator<any>>): ObjectValidator<T> {
+  return new ObjectValidator<T>(schema)
 }