Ticket #40485: 40485.diff

src/wp-includes/functions.wp-scripts.php

@@ -334 +334 @@
 function wp_script_add_data( $handle, $key, $value ){
         return wp_scripts()->add_data( $handle, $key, $value );
 }
+
+/**
+ * Get metadata for a script.
+ *
+ * Works only if the script has already been added.
+ *
+ * Possible values for $key and $value:
+ * 'data' array Localized script data.
+ *
+ * @since 4.8.0
+ *
+ * @see WP_Dependency::get_data()
+ *
+ * @param string $handle     Name of the script.
+ * @param string $key        Name of data point for which we're retrieving a value.
+ * @return bool|string|array False when the script is not registered, or data is not
+ *                           stored in $key, string or array of data when it exists.
+ */
+function wp_script_get_data( $handle, $key ){
+        return wp_scripts()->get_data( $handle, $key );
+}

tests/phpunit/tests/dependencies/scripts.php

@@ -179 +179 @@
         }
 
         /**
+         * Testing `wp_script_get_data` with data added through `wp_localize_script`.
+         *
+         * @ticket 40485
+         */
+        function test_wp_script_get_data_with_localized_data() {
+                $data = array(
+                        'key' => 'value',
+                        'key2' => 'value',
+                );
+                $l10n = array();
+
+                wp_enqueue_script( 'test-get-data', 'example.com', array(), null );
+                wp_localize_script( 'test-get-data', 'localized_data', $data );
+
+                // Simulate preparing data for localization.
+                foreach ( (array) $data as $key => $value ) {
+                        if ( ! is_scalar( $value ) )
+                                continue;
+
+                        $l10n[ $key ] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8' );
+                }
+
+                $localized_data = 'var localized_data = ' . wp_json_encode( $data ) . ';';
+
+                $this->assertEquals( $localized_data, wp_script_get_data( 'test-get-data', 'data' ) );
+        }
+
+        /**
+         * Testing `wp_script_get_data` for retrieving the conditional data key.
+         *
+         * @ticket 40485
+         */
+        function test_wp_script_get_data_with_conditional_key() {
+                // Enqueue & add an invalid key
+                wp_enqueue_script( 'test-get-date-conditional', 'example.com', array(), null );
+                wp_script_add_data( 'test-get-date-conditional', 'conditional', 'lt IE 9' );
+
+                $this->assertEquals( 'lt IE 9', wp_script_get_data( 'test-get-date-conditional', 'conditional' ) );
+        }
+
+        /**
          * Testing 'wp_register_script' return boolean success/failure value.
          *
          * @ticket 31126