2138 - Change cancel button to uploading button for CSV

app/assets/javascripts/fileUpload.js

@@ -5,9 +5,21 @@
 
     this.submit = () => this.$form.trigger('submit');
 
-    this.showCancelButton = () => $('.file-upload-button', this.$form).replaceWith(`
-      <a href="" class='usa-button usa-button--secondary'>Cancel upload</a>
-    `);
+    this.showCancelButton = () => {
+      $('.file-upload-button', this.$form).replaceWith(`
+        <button class='usa-button uploading-button' aria-disabled="true" tabindex="0">
+          Uploading<span class="dot-anim" aria-hidden="true"></span>
+        </button>
+      `);
+
+      // Screen reader live region
+      const $srStatus = $('#upload-status-live');
+      if ($srStatus.length) {
+        $srStatus.text('File is uploading');
+      } else {
+        this.$form.prepend(`<span id="upload-status-live" class="usa-sr-only" role="status" aria-live="polite">File is uploading</span>`);
+      }
+    };
 
     this.start = function(component) {
 
@@ -17,7 +29,7 @@
       // users see a button that looks like the others on the site.
 
       this.$form.find('label.file-upload-button').addClass('usa-button margin-bottom-1').attr( {role: 'button', tabindex: '0'} );
-      
+
       // Clear the form if the user navigates back to the page
       $(window).on("pageshow", () => this.$form[0].reset());
 

app/assets/sass/uswds/_main.scss

@@ -344,3 +344,17 @@ h2.recipient-list {
     }
   }
 }
+
+// Button ellipses loading
+
+.dot-anim::after {
+  content: '.';
+  animation: dotPulse 1.5s steps(3, end) infinite;
+}
+
+@keyframes dotPulse {
+  0%   { content: ''; }
+  33%  { content: '.'; }
+  66%  { content: '..'; }
+  100% { content: '...'; }
+}

app/assets/sass/uswds/styles.scss

@@ -1,5 +1,5 @@
 @forward "uswds-theme";
 @forward "uswds";
 @forward "uswds-theme-custom-styles";
-@forward "legacy-styles";
+@forward "main";
 @forward "data-visualization";

tests/javascripts/fileUpload.test.js

@@ -72,10 +72,11 @@ describe('File upload', () => {
 
     });
 
-    test("It should add a link to cancel the upload by reloading the page", () => {
-
-      expect(form.querySelector("a[href='']")).not.toBeNull();
-
+    test("It should display a disabled Uploading button", () => {
+      const uploadingButton = form.querySelector("button.uploading-button");
+      expect(uploadingButton).not.toBeNull();
+      expect(uploadingButton.textContent).toMatch(/Uploading/);
+      expect(uploadingButton.getAttribute('aria-disabled')).toBe("true");
     });
 
   });