Add definition and test for jquery.fn.pjax method.

jquery.pjax/jquery.pjax-tests.ts

@@ -0,0 +1,9 @@
+/// <reference path="jquery.pjax.d.ts" />
+/// <reference path="../jquery/jquery.d.ts" />
+
+function test_fn_pjax() {
+    $(document).pjax("a");
+    $(document).pjax("a", "#pjax-container");
+    $(document).pjax("a", {push: true});
+    $(document).pjax("a", "#pjax-container", {push: true});
+}

jquery.pjax/jquery.pjax.d.ts

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+// Type definitions for jquery-pjax
+// Project: https://github.com/defunkt/jquery-pjax
+
+/// <reference path="../jquery/jquery.d.ts" />
+
+interface JQuery {
+    /*
+     * Tell PJAX to listen links with delegation selector that, when click on them, fetches the href with ajax into the container.
+     * Tries to make sure the back button and ctrl+click work the way you'd expect.
+     * If `options.container` is not defined, the `data-pjax` attribute of the link will be treated as container,
+     * If such an attribute is not defined too, the context runs with this statement will be treated as container.
+     * @param delegationSelector The selector to limit which links PJAX should listen on.
+     * @param options A valid jQuery ajax options object that may include these pjax specific options:
+     * - container: A jQuery selector indicates where to stick the response body. E.g., $(container).html(xhr.responseBody).
+     * - push: Whether to pushState the URL. Defaults to true (of course).
+     * - replace: Want to use replaceState instead? That's cool.
+     * @return Returns the jQuery object
+     */
+    pjax(delegationSelector: string, options?: JQueryAjaxSettings): JQuery;
+
+    /*
+     * Tell PJAX to listen links with delegation selector that, when click on them, fetches the href with ajax into the container.
+     * Tries to make sure the back button and ctrl+click work the way you'd expect.
+     * If `options.container` is not defined, the `data-pjax` attribute of the link will be treated as container,
+     * If such an attribute is not defined too, the context runs with this statement will be treated as container.
+     * @param delegationSelector The selector to limit which links PJAX should listen on.
+     * @param containerSelector A jQuery selector indicates where to stick the response body. E.g., $(container).html(xhr.responseBody).
+     * @param options A valid jQuery ajax options object that may include these pjax specific options:
+     * - container: A jQuery selector indicates where to stick the response body. The containerSelector has priority.
+     * - push: Whether to pushState the URL. Defaults to true (of course).
+     * - replace: Want to use replaceState instead? That's cool.
+     * @return Returns the jQuery object
+     */
+    pjax(delegationSelector: string, containerSelector?: string, options?: JQueryAjaxSettings): JQuery;
+}