Support timeFormat in datetime field

AGENTS.md

@@ -7,12 +7,12 @@ PHP library for parsing and unparsing Meta Box settings from the builder (provid
 
 ### Lint
 ```bash
-composer phpcs
+composer phpcs src
 ```
 
 ### Fix Auto-fixable Issues
 ```bash
-composer phpcbf
+composer phpcbf src
 ```
 
 ### No Tests

composer.json

@@ -14,7 +14,7 @@
         "riimu/kit-phpencoder": "^2.4"
     },
     "scripts": {
-        "phpcs": "phpcs --standard=phpcs.xml src",
-        "phpcbf": "phpcbf --standard=phpcs.xml src"
+        "phpcs": "phpcs --standard=../meta-box-aio/phpcs.xml",
+        "phpcbf": "phpcbf --standard=../meta-box-aio/phpcs.xml"
     }
 }

src/Parsers/Field.php

@@ -288,6 +288,38 @@ private function parse_text_limiter() {
 		return $this;
 	}
 
+	private function parse_field_datetime(): self {
+		if ( empty( $this->datetime_format ) ) {
+			return $this;
+		}
+
+		$js_options = is_array( $this->js_options ) ? $this->js_options : [];
+		$separator  = $js_options['separator'] ?? ' ';
+		$pos        = strpos( $this->datetime_format, $separator );
+
+		// Split format (simple format rule: "date time")
+		$date_format = false !== $pos ? substr( $this->datetime_format, 0, $pos ) : $this->datetime_format; // If no separator, client setup for date format
+		$time_format = false !== $pos ? substr( $this->datetime_format, $pos + strlen( $separator ) ) : '';
+
+		if ( $date_format && empty( $js_options['dateFormat'] ) ) {
+			$js_options['dateFormat'] = $date_format;
+		}
+
+		if ( $time_format && empty( $js_options['timeFormat'] ) ) {
+			$js_options['timeFormat'] = $time_format;
+		}
+
+		if ( empty( $js_options['separator'] ) ) {
+			$js_options['separator'] = ' ';
+		}
+
+		$this->js_options = $js_options;
+
+		unset( $this->datetime_format );
+
+		return $this;
+	}
+
 	private function parse_field_block_editor(): self {
 		if ( ! class_exists( '\MBB\Helpers\AllowedBlockLists' ) ) {
 			return $this;

src/Unparsers/Field.php

@@ -273,4 +273,42 @@ protected function ensure_boolean( $key ) {
 		}
 		return $this;
 	}
+
+	private function unparse_field_datetime(): self {
+		if ( empty( $this->js_options ) ) {
+			return $this;
+		}
+
+		$js_options  = is_array( $this->js_options ) ? $this->js_options : [];
+		$date_format = $this->get_js_option_value( $js_options, 'dateFormat' );
+		$time_format = $this->get_js_option_value( $js_options, 'timeFormat' );
+		$separator   = $this->get_js_option_value( $js_options, 'separator' ) ?? ' ';
+
+		if ( $date_format && $time_format ) {
+			$this->datetime_format = "{$date_format}{$separator}{$time_format}";
+		} elseif ( $date_format ) {
+			$this->datetime_format = $date_format;
+		} elseif ( $time_format ) {
+			$this->datetime_format = $time_format;
+		}
+
+		foreach ( $js_options as $key => $option ) {
+			if ( isset( $option['key'] ) && in_array( $option['key'], [ 'dateFormat', 'timeFormat', 'separator' ], true ) ) {
+				unset( $js_options[ $key ] );
+			}
+		}
+		$this->js_options = $js_options;
+
+		return $this;
+	}
+
+	private function get_js_option_value( array $js_options, string $key ) {
+		foreach ( $js_options as $option ) {
+			if ( isset( $option['key'] ) && $option['key'] === $key ) {
+				return $option['value'] ?? null;
+			}
+		}
+
+		return null;
+	}
 }