init

user/plugins/admin/themes/grav/app/updates/check.js

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+import $ from 'jquery';
+import { Instance as gpm } from '../utils/gpm';
+import { translations } from 'grav-config';
+import toastr from '../utils/toastr';
+
+// Check for updates trigger
+$('[data-gpm-checkupdates]').on('click', function() {
+    let element = $(this);
+    element.find('i').addClass('fa-spin');
+
+    gpm.fetch((response) => {
+        element.find('i').removeClass('fa-spin');
+        let payload = response.payload;
+
+        if (!payload) { return; }
+        if (!payload.grav.isUpdatable && !payload.resources.total) {
+            toastr.success(translations.PLUGIN_ADMIN.EVERYTHING_UP_TO_DATE);
+        } else {
+            var grav = payload.grav.isUpdatable ? 'Grav v' + payload.grav.available : '';
+            var resources = payload.resources.total ? payload.resources.total + ' ' + translations.PLUGIN_ADMIN.UPDATES_ARE_AVAILABLE : '';
+
+            if (!resources) { grav += ' ' + translations.PLUGIN_ADMIN.IS_AVAILABLE_FOR_UPDATE; }
+            toastr.info(grav + (grav && resources ? ' ' + translations.PLUGIN_ADMIN.AND + ' ' : '') + resources);
+        }
+    }, true);
+});