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Interactivity API: Implement
wp_initial_state() (#57556)
* Update directive processing to handle namespaces * Add required namespace param to evaluate reference * Handle references with namespaces * Rename parse_reference to parse_attribute_value * Update directive implementations * Improve comments in `parse_attribute_value` * Restore changes from `store()` migration PR * Do not make namespace optional in `get_state()` * Replace Store with Initial_State * Fix set up and tear down of Initial State tests * Update directive tests after implementation changes * Add TODO comment to derived state * Refactor directive processing tests * Move namespace logic to a directive * Add tests for namespaces logic * Fix typo in comments * Handle empty attributes in wp-interactive * Handle boolean attributes in wp-context * Do not support derived state yet * Add root blocks bail out quick by name --------- Co-authored-by: Carlos Bravo <carlos.bravo@automattic.com>
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lib/experimental/interactivity-api/class-wp-interactivity-initial-state.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| <?php | ||
| /** | ||
| * WP_Interactivity_Initial_State class | ||
| * | ||
| * @package Gutenberg | ||
| * @subpackage Interactivity API | ||
| */ | ||
|
|
||
| if ( class_exists( 'WP_Interactivity_Initial_State' ) ) { | ||
| return; | ||
| } | ||
|
|
||
| /** | ||
| * Manages the initial state of the Interactivity API store in the server and | ||
| * its serialization so it can be restored in the browser upon hydration. | ||
| * | ||
| * @package Gutenberg | ||
| * @subpackage Interactivity API | ||
| */ | ||
| class WP_Interactivity_Initial_State { | ||
| /** | ||
| * Map of initial state by namespace. | ||
| * | ||
| * @var array | ||
| */ | ||
| private static $initial_state = array(); | ||
|
|
||
| /** | ||
| * Get state from a given namespace. | ||
| * | ||
| * @param string $store_ns Namespace. | ||
| * | ||
| * @return array The requested state. | ||
| */ | ||
| public static function get_state( $store_ns ) { | ||
| return self::$initial_state[ $store_ns ] ?? array(); | ||
| } | ||
|
|
||
| /** | ||
| * Merge data into the state with the given namespace. | ||
| * | ||
| * @param string $store_ns Namespace. | ||
| * @param array $data State to merge. | ||
| * | ||
| * @return void | ||
| */ | ||
| public static function merge_state( $store_ns, $data ) { | ||
| self::$initial_state[ $store_ns ] = array_replace_recursive( | ||
| self::get_state( $store_ns ), | ||
| $data | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Get store data. | ||
| * | ||
| * @return array | ||
| */ | ||
| public static function get_data() { | ||
| return self::$initial_state; | ||
| } | ||
|
|
||
| /** | ||
| * Reset the initial state. | ||
| */ | ||
| public static function reset() { | ||
| self::$initial_state = array(); | ||
| } | ||
|
|
||
| /** | ||
| * Render the initial state. | ||
| */ | ||
| public static function render() { | ||
| if ( empty( self::$initial_state ) ) { | ||
| return; | ||
| } | ||
| echo sprintf( | ||
| '<script id="wp-interactivity-initial-state" type="application/json">%s</script>', | ||
| wp_json_encode( self::$initial_state, JSON_HEX_TAG | JSON_HEX_AMP ) | ||
| ); | ||
| } | ||
| } |
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lib/experimental/interactivity-api/class-wp-interactivity-store.php
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