Merge branch 'WordPress:trunk' into trunk

Author: dd32

src/js/_enqueues/wp/wp-tooltip.js

@@ -8,12 +8,17 @@
  */
 (() => {
 
-	const popovers = document.querySelectorAll( '.wp-is-tooltip' );
+	const popovers = /** @type {NodeListOf<HTMLDivElement>} */ ( document.querySelectorAll( '.wp-is-tooltip' ) );
+
+	/** @type {ReturnType<typeof setTimeout>} */
 	let openTimeout;
 
 	popovers.forEach( function( popover ) {
-		let trigger = popover.querySelector( 'button.wp-tooltip__toggle' );
-		let panel   = popover.querySelector( 'span.wp-tooltip__bubble' );
+		const trigger = /** @type {HTMLButtonElement|null} */ ( popover.querySelector( 'button.wp-tooltip__toggle' ) );
+		const panel   = /** @type {HTMLSpanElement|null} */ ( popover.querySelector( 'span.wp-tooltip__bubble' ) );
+		if ( ! trigger || ! panel ) {
+			return;
+		}
 
 		// Show Tooltip Function (with delay to prevent flickering).
 		const showTooltip = () => {

tsconfig.json

@@ -27,9 +27,10 @@
 	},
 	"include": [],
 	"files": [
-		"src/js/_enqueues/wp/code-editor.js",
-		"src/js/_enqueues/lib/codemirror/javascript-lint.js",
 		"src/js/_enqueues/lib/codemirror/htmlhint-kses.js",
+		"src/js/_enqueues/lib/codemirror/javascript-lint.js",
+		"src/js/_enqueues/wp/code-editor.js",
+		"src/js/_enqueues/wp/wp-tooltip.js",
 		"tools/gutenberg/copy.js",
 		"tools/gutenberg/download.js",
 		"tools/gutenberg/utils.js"