Date: add relative time translations for moment.js (#53931)

* Overwriting wp-date script string to include new relateTime translations * Making the translator comments clearer because some languages change the case of indefinite articles * LINTY LINTY SPACEY SPACEY * comma comma comma comma comma chameleon * Move global inside check * Remove useless assignment * It's better to add this to lib/compat/wordpress-6.4/script-loader.php as it reflects the intended destination in Core and also communicates compatibility.
WordPress · Aug 28, 2023 · 6c2a629 · 6c2a629
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diff --git a/lib/compat/wordpress-6.4/script-loader.php b/lib/compat/wordpress-6.4/script-loader.php
@@ -0,0 +1,98 @@
+<?php
+/**
+ * Updates the script-loader.php file
+ *
+ * @package gutenberg
+ */
+
+/**
+ * Updates the registered inline script `wp-date` required for moment.js localization.
+ * Changes to the inline script output should be synced with Core in the file
+ * src/wp-includes/script-loader.php in `wp_default_packages_inline_scripts()`.
+ *
+ * @since 6.4.0
+ *
+ * @global WP_Locale $wp_locale WordPress date and time locale object.
+ *
+ * @param WP_Scripts $scripts WP_Scripts object.
+ */
+function gutenberg_update_wp_date_settings( $scripts ) {
+	if ( $scripts->query( 'wp-date', 'registered' ) ) {
+		global $wp_locale;
+		// Calculate the timezone abbr (EDT, PST) if possible.
+		$timezone_string = get_option( 'timezone_string', 'UTC' );
+		$timezone_abbr   = '';
+
+		if ( ! empty( $timezone_string ) ) {
+			$timezone_date = new DateTime( 'now', new DateTimeZone( $timezone_string ) );
+			$timezone_abbr = $timezone_date->format( 'T' );
+		}
+		$scripts->registered['wp-date']->extra['after'] = array(
+			false,
+			sprintf(
+				'wp.date.setSettings( %s );',
+				wp_json_encode(
+					array(
+						'l10n'     => array(
+							'locale'        => get_user_locale(),
+							'months'        => array_values( $wp_locale->month ),
+							'monthsShort'   => array_values( $wp_locale->month_abbrev ),
+							'weekdays'      => array_values( $wp_locale->weekday ),
+							'weekdaysShort' => array_values( $wp_locale->weekday_abbrev ),
+							'meridiem'      => (object) $wp_locale->meridiem,
+							'relative'      => array(
+								/* translators: %s: Duration. */
+								'future' => __( '%s from now', 'default' ),
+								/* translators: %s: Duration. */
+								'past'   => __( '%s ago', 'default' ),
+								/* translators: One second from or to a particular datetime, e.g., "a second ago" or "a second from now". */
+								's'      => __( 'a second', 'default' ),
+								/* translators: %s: Duration in seconds from or to a particular datetime, e.g., "4 seconds ago" or "4 seconds from now". */
+								'ss'     => __( '%d seconds', 'default' ),
+								/* translators: One minute from or to a particular datetime, e.g., "a minute ago" or "a minute from now". */
+								'm'      => __( 'a minute', 'default' ),
+								/* translators: %s: Duration in minutes from or to a particular datetime, e.g., "4 minutes ago" or "4 minutes from now". */
+								'mm'     => __( '%d minutes', 'default' ),
+								/* translators: %s: One hour from or to a particular datetime, e.g., "an hour ago" or "an hour from now". */
+								'h'      => __( 'an hour', 'default' ),
+								/* translators: %s: Duration in hours from or to a particular datetime, e.g., "4 hours ago" or "4 hours from now". */
+								'hh'     => __( '%d hours', 'default' ),
+								/* translators: %s: One day from or to a particular datetime, e.g., "a day ago" or "a day from now". */
+								'd'      => __( 'a day', 'default' ),
+								/* translators: %s: Duration in days from or to a particular datetime, e.g., "4 days ago" or "4 days from now". */
+								'dd'     => __( '%d days', 'default' ),
+								/* translators: %s: One month from or to a particular datetime, e.g., "a month ago" or "a month from now". */
+								'M'      => __( 'a month', 'default' ),
+								/* translators: %s: Duration in months from or to a particular datetime, e.g., "4 months ago" or "4 months from now". */
+								'MM'     => __( '%d months', 'default' ),
+								/* translators: %s: One year from or to a particular datetime, e.g., "a year ago" or "a year from now". */
+								'y'      => __( 'a year', 'default' ),
+								/* translators: %s: Duration in years from or to a particular datetime, e.g., "4 years ago" or "4 years from now". */
+								'yy'     => __( '%d years', 'default' ),
+							),
+							'startOfWeek'   => (int) get_option( 'start_of_week', 0 ),
+						),
+						'formats'  => array(
+							/* translators: Time format, see https://www.php.net/manual/datetime.format.php */
+							'time'                => get_option( 'time_format', __( 'g:i a', 'gutenberg' ) ),
+							/* translators: Date format, see https://www.php.net/manual/datetime.format.php */
+							'date'                => get_option( 'date_format', __( 'F j, Y', 'gutenberg' ) ),
+							/* translators: Date/Time format, see https://www.php.net/manual/datetime.format.php */
+							'datetime'            => __( 'F j, Y g:i a', 'default' ),
+							/* translators: Abbreviated date/time format, see https://www.php.net/manual/datetime.format.php */
+							'datetimeAbbreviated' => __( 'M j, Y g:i a', 'default' ),
+						),
+						'timezone' => array(
+							'offset' => (float) get_option( 'gmt_offset', 0 ),
+							'string' => $timezone_string,
+							'abbr'   => $timezone_abbr,
+						),
+					)
+				)
+			),
+		);
+	}
+}
+
+add_action( 'wp_default_scripts', 'gutenberg_update_wp_date_settings' );
+
diff --git a/lib/load.php b/lib/load.php
@@ -122,6 +122,7 @@ function gutenberg_is_experiment_enabled( $name ) {
 // WordPress 6.4 compat.
 require __DIR__ . '/compat/wordpress-6.4/blocks.php';
 require __DIR__ . '/compat/wordpress-6.4/block-patterns.php';
+require __DIR__ . '/compat/wordpress-6.4/script-loader.php';
 
 // Experimental features.
 require __DIR__ . '/experimental/block-editor-settings-mobile.php';