Add definition and test for $.pjax.click function.

jquery.pjax/jquery.pjax-tests.ts

@@ -7,3 +7,10 @@ function test_fn_pjax() {
     $(document).pjax("a", { push: true });
     $(document).pjax("a", "#pjax-container", { push: true });
 }
+
+function test_click() {
+    var event = $.Event("click");
+    $.pjax.click(event, "#pjax-container");
+    $.pjax.click(event, { container: "#pjax-container" });
+    $.pjax.click(event, "#pjax-container", { push: true });
+}

jquery.pjax/jquery.pjax.d.ts

@@ -52,3 +52,30 @@ interface JQuery {
      */
     pjax(delegationSelector: string, containerSelector?: string, options?: PjaxSettings): JQuery;
 }
+
+interface JQueryStatic {
+    pjax: PjaxStatic;
+}
+
+interface PjaxStatic {
+    /**
+     * PJAX on click handler.
+     * @param event A jQuery click event.
+     * @param options PJAX settings, which is a superset of jQuery AJAX settings. It includes the following specific options:
+     * - container: a jQuery selector indicates where to stick the response body. E.g., $(container).html(xhr.responseBody).
+     * - push: a boolean indicates whether to pushState the URL. Default is true.
+     * - replace: a boolean indicates whether to use replaceState instead of pushState. Default is false.
+     */
+    click(event: JQueryEventObject, options?: PjaxSettings): void;
+
+    /**
+     * PJAX on click handler.
+     * @param event A jQuery click event.
+     * @param containerSelector A jQuery selector indicates where to stick the response body. E.g., $(containerSelector).html(xhr.responseBody).
+     * @param options PJAX settings, which is a superset of jQuery AJAX settings. It includes the following specific options:
+     * - container: a jQuery selector indicates where to stick the response body. The `containerSelector` parameter has priority.
+     * - push: a boolean indicates whether to pushState the URL. Default is true.
+     * - replace: a boolean indicates whether to use replaceState instead of pushState. Default is false.
+     */
+    click(event: JQueryEventObject, containerSelector?: string, options?: PjaxSettings): void;
+}