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Add pagination to Manage users and Vaccine batches (#114)
This adds a pagination component to the bottom of the Manage users page, rather than just displaying all users on a single page. The number of users per page is set at 20, although this could be tweaked. The pagination component is not yet part of the NHS design system, so I’ve borrowed the GOV.UK one and applied NHS styling. This is still work-in-progress, and I’m working on contributing this to the NHS design system here: nhsuk/nhsuk-frontend#1026 ## Screenshots ### Manage users | First page | Middle page | Last page | | ------ | ------ | ------ | | ![manage-users-page-1](https://github.com/user-attachments/assets/79f2e200-f771-4327-bc60-e4e30f706d09) | ![manage-users-page-3](https://github.com/user-attachments/assets/635e8a69-72ab-4f93-8fba-623d484cb225) | ![manage-users-page-5](https://github.com/user-attachments/assets/3ba01ff2-3d6d-48be-be78-5e79ec588794) | ### Vaccine batches (on vaccine product page for a given site) ![pagination-of-vaccine-batches](https://github.com/user-attachments/assets/99772ecc-8a09-4300-935f-0c463f6ae7a2) If there are a lot of pages, then ellipsis would be used to show gaps in the sequence, so that the first page, last page, previous and next page are always included: <img width="608" alt="Screenshot 2024-09-23 at 16 09 43" src="https://github.com/user-attachments/assets/500b8dfd-2ecc-4f69-b8a4-3078642a1fbe">
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‎app.js‎

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@@ -55,6 +55,7 @@ const appViews = [
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path.join(__dirname, 'node_modules/nhsuk-frontend/packages/macros'),
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path.join(__dirname, 'docs/views/'),
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path.join(__dirname, 'lib/prototype-admin/'),
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path.join(__dirname, 'app/components/'),
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];
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const nunjucksConfig = {

‎app/assets/sass/main.scss‎

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@@ -28,6 +28,8 @@ $govuk-brand-colour: $nhsuk-link-color;
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@import 'components/table';
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@import '../../components/pagination/_pagination';
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.autocomplete__wrapper ul > li {
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margin-bottom: 0;
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}

‎app/components/pagination/README.md‎

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# Pagination
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This is a work-in-progress modification of the Pagination component to support numbered pages.
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See https://github.com/nhsuk/nhsuk-frontend/pull/1026

‎app/components/pagination/_pagination.scss‎

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/* ==========================================================================
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COMPONENTS / #PAGINATION
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========================================================================== */
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/**
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* 1. Padding to give the icon spacing.
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* 2. Append the word 'page' after next and
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* previous on print stylesheets to make it easier
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* to understand in print context.
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*/
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// Previous and next pages variant
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.nhsuk-pagination {
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@include nhsuk-responsive-margin(7, "top");
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@include nhsuk-responsive-margin(7, "bottom");
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}
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.nhsuk-pagination__list {
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@include clearfix();
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}
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.nhsuk-pagination-item--previous {
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float: left;
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text-align: left;
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width: 50%;
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.nhsuk-icon {
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left: -6px;
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}
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.nhsuk-pagination__title {
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padding-left: nhsuk-spacing(5); /* [1] */
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}
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}
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.nhsuk-pagination-item--next {
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float: right;
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text-align: right;
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width: 50%;
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.nhsuk-icon {
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right: -6px;
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}
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.nhsuk-pagination__title {
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padding-right: nhsuk-spacing(5); /* [1] */
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}
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}
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.nhsuk-pagination__link {
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display: block;
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position: relative;
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text-decoration: none;
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width: 100%;
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@include mq($media-type: print) {
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color: $color_nhsuk-black;
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}
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.nhsuk-icon {
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position: absolute;
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top: -2px;
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@include mq($media-type: print) {
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color: $color_nhsuk-black;
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margin-top: 0;
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}
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}
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&:hover {
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color: $nhsuk-link-hover-color;
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.nhsuk-icon {
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fill: $nhsuk-link-hover-color;
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}
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.nhsuk-pagination__page {
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text-decoration: none;
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}
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}
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&:focus {
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@include nhsuk-focused-text;
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.nhsuk-pagination__page {
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text-decoration: none;
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}
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&:visited,
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&:hover,
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&:active {
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.nhsuk-icon {
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fill: $nhsuk-focus-text-color;
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}
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}
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}
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&:visited {
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.nhsuk-icon {
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fill: $nhsuk-link-visited-color;
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}
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&:hover {
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.nhsuk-icon {
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fill: $nhsuk-link-hover-color;
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}
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}
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&:focus {
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.nhsuk-icon {
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fill: $nhsuk-focus-text-color;
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}
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}
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}
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}
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.nhsuk-pagination__title {
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@include nhsuk-typography-responsive(24);
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display: block;
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@include mq($media-type: print) {
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&:after {
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content: " page"; /* [2] */
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}
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}
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}
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.nhsuk-pagination__page {
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@include nhsuk-typography-responsive(16);
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display: block;
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text-decoration: underline;
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}
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// Numbered pages variant
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.nhsuk-pagination--numbered {
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@include clearfix();
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}
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// In a numbered list, the previous link, numbered page links,
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// and next link should all line up
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.nhsuk-pagination--numbered__prev,
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.nhsuk-pagination--numbered__next,
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.nhsuk-pagination--numbered__item {
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@include nhsuk-font(19);
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box-sizing: border-box;
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position: relative;
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min-width: 45px;
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min-height: 45px;
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padding: nhsuk-spacing(2) nhsuk-spacing(2);
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text-align: center;
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margin: 0;
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float: left;
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}
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.nhsuk-pagination--numbered__link:visited:hover,
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.nhsuk-pagination--numbered__item a:hover {
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color: $nhsuk-link-hover-color;
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}
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.nhsuk-pagination--numbered__prev:hover,
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.nhsuk-pagination--numbered__next:hover,
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.nhsuk-pagination--numbered__item:hover {
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background-color: $color_nhsuk-grey-4;
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color: $color_nhsuk-blue;
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}
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// Container for the list of numbered items
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.nhsuk-pagination__list--numbered {
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margin: 0;
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padding: 0;
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list-style: none;
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}
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// Current number
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.nhsuk-pagination--numbered__item--current,
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.nhsuk-pagination--numbered__item--current:hover {
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background-color: $color_nhsuk-blue;
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font-weight: $nhsuk-font-bold;
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.nhsuk-pagination--numbered__link {
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color: $color_nhsuk-white;
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}
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.nhsuk-pagination--numbered__link:focus {
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color: $color_nhsuk-black;
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}
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}
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.nhsuk-pagination--numbered__item--ellipses {
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font-weight: $nhsuk-font-bold;
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color: $nhsuk-secondary-text-color;
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&:hover {
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background-color: transparent;
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}
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}
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.nhsuk-pagination--numbered__link {
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min-width: nhsuk-spacing(3);
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vertical-align: middle;
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color: $color_nhsuk-blue;
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// Increase the touch area for the link to the parent element.
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@media screen {
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&::after {
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content: "";
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position: absolute;
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top: 0;
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right: 0;
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bottom: 0;
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left: 0;
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}
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}
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}
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.nhsuk-pagination--numbered .nhsuk-icon {
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margin-top: 0;
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margin-bottom: -12px;
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fill: $color_nhsuk-blue;
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}
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.nhsuk-pagination--numbered__link:visited .nhsuk-icon {
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fill: $nhsuk-link-visited-color;
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}
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.nhsuk-pagination--numbered__link:hover .nhsuk-icon {
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fill: $nhsuk-link-hover-color;
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}
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.nhsuk-pagination--numbered .nhsuk-icon__arrow-left {
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margin-left: -13px;
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margin-right: nhsuk-spacing(2);
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}
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.nhsuk-pagination--numbered .nhsuk-icon__arrow-right {
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margin-left: nhsuk-spacing(2);
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margin-right: -13px;
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}

‎app/components/pagination/macro.njk‎

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{% macro appPagination(params) %}
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{%- include './template.njk' -%}
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{% endmacro %}

‎app/components/pagination/template.njk‎

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{% from "../../../node_modules/nhsuk-frontend/packages/macros/attributes.njk" import nhsukAttributes %}
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{# There are 2 variants of this component, one for content pages which
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has only previous and next links including the titles of those pages,
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and one for navigating between pages of items, like search results.
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The numbered variable sets which variant is being used, based on the
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presence of items (pages). #}
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{% set numbered = true if params.items %}
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{# Arrow pointing left - used by both variants #}
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{%- macro _arrowPrevious() -%}
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<svg class="nhsuk-icon nhsuk-icon__arrow-left" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" width="34" height="34">
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<path d="M4.1 12.3l2.7 3c.2.2.5.2.7 0 .1-.1.1-.2.1-.3v-2h11c.6 0 1-.4 1-1s-.4-1-1-1h-11V9c0-.2-.1-.4-.3-.5h-.2c-.1 0-.3.1-.4.2l-2.7 3c0 .2 0 .4.1.6z"></path>
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</svg>
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{%- endmacro -%}
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{# Arrow pointing right - used by both variants #}
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{%- macro _arrowNext() -%}
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<svg class="nhsuk-icon nhsuk-icon__arrow-right" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" width="34" height="34">
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<path d="M19.6 11.66l-2.73-3A.51.51 0 0 0 16 9v2H5a1 1 0 0 0 0 2h11v2a.5.5 0 0 0 .32.46.39.39 0 0 0 .18 0 .52.52 0 0 0 .37-.16l2.73-3a.5.5 0 0 0 0-.64z"></path>
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</svg>
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{%- endmacro -%}
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{# Numbered page - included as a link within a list item. #}
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{%- macro _pageItem(item) -%}
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<li class="nhsuk-pagination--numbered__item {%- if item.current %} nhsuk-pagination--numbered__item--current{% endif %} {%- if item.ellipsis %} nhsuk-pagination--numbered__item--ellipses{% endif %} {%- if item.classes %} {{ item.classes }}{% endif %}">
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{% if item.ellipsis %}
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&ctdot;
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{% else %}
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<a class="nhsuk-pagination--numbered__link" href="{{ item.href }}" aria-label="{{ item.visuallyHiddenText | default("Page " + item.number) }}"
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{%- if item.current %} aria-current="page"{% endif %}
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{{- nhsukAttributes(item.attributes) }}>
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{{ item.number }}
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</a>
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{% endif %}
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</li>
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{%- endmacro -%}
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{# Link for the previous or next or next page, displayed at either end of
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the numbered variant only, and including an arrow pointing left or right. #}
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{%- macro _arrowLink(link, type = "next") %}
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{% set arrowType = arrowPrevious if type == "prev" else arrowNext %}
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<div class="nhsuk-pagination--numbered__{{ type }}">
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<a class="nhsuk-pagination--numbered__link" href="{{ link }}" rel="{{ type }}">
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{%- if type == "prev" -%}
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{{ _arrowPrevious() }}
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{%- endif -%}
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{{ caller() | safe }}
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{%- if type == "next" -%}
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{{ _arrowNext() }}
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{%- endif -%}
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</a>
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</div>
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{% endmacro -%}
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<nav class="nhsuk-pagination {{ "nhsuk-pagination--numbered" if numbered }}
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{%- if params.classes %} {{ params.classes }}{% endif %}" role="navigation" aria-label="Pagination"
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{{- nhsukAttributes(params.attributes) }}>
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{%- if numbered %}
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{% if params.previousUrl %}
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{% call _arrowLink(params.previousUrl, "prev") -%}
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Previous<span class="nhsuk-u-visually-hidden"> page</span>
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{% endcall %}
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{% endif %}
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<ul class="nhsuk-pagination__list--numbered">
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{% for item in params.items %}
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{{ _pageItem(item) | indent(2) }}
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{% endfor %}
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</ul>
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{% if params.nextUrl %}
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{% call _arrowLink(params.nextUrl, "next") -%}
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Next<span class="nhsuk-u-visually-hidden"> page</span>
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{%- endcall %}
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{% endif %}
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{%- else %}
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<ul class="nhsuk-list nhsuk-pagination__list">
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{%- if params.previousUrl and params.previousPage %}
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<li class="nhsuk-pagination-item--previous">
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<a class="nhsuk-pagination__link nhsuk-pagination__link--prev" href="{{ params.previousUrl }}">
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<span class="nhsuk-pagination__title">Previous</span>
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<span class="nhsuk-u-visually-hidden">:</span>
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<span class="nhsuk-pagination__page">{{ params.previousPage }}</span>
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{{ _arrowPrevious() }}
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</a>
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</li>
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{%- endif %}
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{%- if params.nextUrl and params.nextPage %}
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<li class="nhsuk-pagination-item--next">
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<a class="nhsuk-pagination__link nhsuk-pagination__link--next" href="{{ params.nextUrl }}">
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<span class="nhsuk-pagination__title">Next</span>
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<span class="nhsuk-u-visually-hidden">:</span>
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<span class="nhsuk-pagination__page">{{ params.nextPage }}</span>
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{{ _arrowNext() }}
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</a>
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</li>
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{%- endif %}
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</ul>
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{%- endif %}
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</nav>

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