[Component] Footer

src/components/Footer/BackToTop.tsx

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+/* eslint-disable jsx-a11y/anchor-is-valid */
+import { Icon } from '../Icon/Icon';
+
+export const BackToTop = (): JSX.Element => (
+  <a
+    className='a-btn a-btn__secondary o-footer_top-button'
+    data-gtm_ignore='true'
+    data-js-hook='behavior_return-to-top'
+    href='#'
+  >
+    Back to top
+    <Icon name='arrow-up' />
+  </a>
+);

src/components/Footer/Footer.less

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+@import (reference) url('@cfpb/cfpb-design-system/src/cfpb-design-system.less');
+
+// https://github.com/cfpb/consumerfinance.gov/blob/main/cfgov/unprocessed/css/organisms/footer.less
+
+/* ==========================================================================
+   consumerfinance.gov
+   footer
+   ========================================================================== */
+
+/* topdoc
+  name: CF.gov site-wide footer.
+  family: cfgov-organisms
+  patterns:
+    - notes:
+        - "For the markup please see _layouts/organisms/footer.html."
+  tags:
+    - cfgov-organisms
+*/
+
+.o-footer {
+  // Adding an extra 5px to the top to account for the absolute positioned
+  // social media icons.
+  padding-top: unit((50px / @base-font-size-px), em);
+  // There is a 10px margin-bottom on the  last .o-footer_list li's, plus the
+  // 50px bottom padding = 60px of total padding at the bottom of the footer.
+  padding-bottom: unit((50px / @base-font-size-px), em);
+  border-top: 5px solid @green;
+  background: @gray-5;
+
+  &_nav-list {
+    .m-list__links();
+
+    .m-list_link {
+      font-size: unit((18px / @base-font-size-px), em);
+      .u-link__colors( @black );
+
+      .respond-to-min( @bp-sm-min, {
+        margin-right: 1em;
+
+        .u-link__hover-border();
+      } );
+
+      .respond-to-min( @bp-med-min, {
+        margin-right: unit(( @grid_gutter-width / 22px), em );
+        font-size: unit( (20px / @base-font-size-px), em );
+      } );
+    }
+
+    .m-list_link.m-list_link__disabled {
+      border-bottom: 1px dotted;
+
+      .respond-to-min( @bp-med-min, {
+        .u-link__no-border();
+      } );
+    }
+  }
+
+  &_list {
+    .m-list__links();
+
+    .m-list_link {
+      .u-link__colors( @gray-dark );
+    }
+  }
+
+  &_pre {
+    position: relative;
+    margin-bottom: unit((45px / @base-font-size-px), em);
+
+    .o-footer_top-button {
+      display: block;
+      width: 100%;
+      text-align: center;
+      // There's a standard margin between the top
+      // of the footer and the links. The button comes between
+      // that margin in the wireframes.
+      margin: -2em auto 2em;
+    }
+
+    .o-footer_nav-list {
+      margin-bottom: 0;
+    }
+
+    .respond-to-min( @bp-sm-min, {
+      padding-bottom: unit( (@grid_gutter-width / @base-font-size-px), em );
+      margin-bottom: unit( (@grid_gutter-width / @base-font-size-px), em );
+      border-bottom: 1px solid @gray-40;
+
+      .o-footer_top-button {
+        display: none;
+      }
+
+      .o-footer_nav-list {
+        .m-list__horizontal();
+
+        .m-list_item {
+          margin-bottom: 0;
+        }
+      }
+    } );
+
+    .respond-to-print( {
+      // !important used here to avoid being overriden by a much more specific
+      // selector that sets the display property for this element
+      // and to avoid using a selector that specific here.
+      display: none !important;
+    } );
+  }
+
+  // TODO: Refactor to use Design System Layout package.
+  &-middle-left {
+    .o-footer_list {
+      margin: 0;
+    }
+
+    /* Fix doubled border in mobile view */
+    .respond-to-max( @bp-xs-max, {
+      .o-footer_col:nth-child( n+2 ) {
+        .o-footer_list {
+          .m-list_item .m-list_link {
+            border-top-width: 0;
+          }
+        }
+      }
+    } );
+
+    .respond-to-min( @bp-sm-min, {
+      .grid_column(8);
+      border-right: 1px solid @gray-40;
+      border-left: 0;
+
+      .o-footer_col {
+        .grid_column(6);
+        border-left: 0;
+        border-right: 0;
+        padding-right: unit( (@grid_gutter-width / 2 / @base-font-size-px), em );
+      }
+    } );
+
+    .respond-to-print( {
+      // !important used here to avoid being overriden by a much more specific
+      // selector that sets the display property for this element
+      // and to avoid using a selector that specific here.
+      display: none !important;
+    } );
+  }
+
+  &-middle-right {
+    /* Fix doubled border in mobile view */
+    .respond-to-max( @bp-xs-max, {
+      .o-footer_list {
+        .m-list_item .m-list_link {
+          border-top-width: 0;
+        }
+      }
+    } );
+
+    .respond-to-min( @bp-sm-min, {
+      .grid_column(4);
+
+      .o-footer_list {
+        padding-left: @grid_gutter-width;
+        padding-right: @grid_gutter-width;
+      }
+    } );
+
+    .respond-to-print( {
+      // !important used here to avoid being overriden by a much more specific
+      // selector that sets the display property for this element
+      // and to avoid using a selector that specific here.
+      display: none !important;
+    } );
+  }
+
+  &-post {
+    margin-top: unit((@grid_gutter-width / @base-font-size-px), em);
+
+    .respond-to-min( @bp-sm-min, {
+      padding-top: unit( (@grid_gutter-width / @base-font-size-px), em );
+      border-top: 1px solid @gray-40;
+    } );
+
+    .respond-to-print( {
+      padding: 0;
+      border: none;
+      margin: 0;
+    } );
+  }
+}
+
+/* topdoc
+    name: EOF
+    eof: true
+*/
+
+.o-footer .cf-icon-svg__external-link {
+  margin-left: 3px;
+}

src/components/Footer/Footer.stories.tsx

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+import type { Meta, StoryObj } from '@storybook/react';
+import { Icon } from '../Icon/Icon';
+import Footer from './Footer';
+import { FooterCfGov } from './FooterCfGov';
+
+const meta: Meta<typeof Footer> = {
+  component: Footer,
+  argTypes: {}
+};
+
+export default meta;
+
+type Story = StoryObj<typeof meta>;
+
+const makeLink = (label: string, isExternal?: boolean): JSX.Element => (
+  <a
+    key={label}
+    href={window.location.href}
+    className={`m-list_link a-link ${isExternal ? 'a-link__icon' : ''}`}
+  >
+    <span className='a-link_text'>{label}</span>
+    {isExternal ? <Icon name='external-link' alt='External link' /> : null}
+  </a>
+);
+
+const makeSocialLink = (label: string): JSX.Element => (
+  <a key={label} href={window.location.href}>
+    <Icon name={label} withBg />
+  </a>
+);
+
+export const Example: Story = {
+  args: {
+    navLinks: [makeLink('Nav 1'), makeLink('Nav 2'), makeLink('Nav 3')],
+    socialLinks: [makeSocialLink('facebook'), makeSocialLink('youtube')],
+    linksCol1: [
+      makeLink('Col1 Link 1'),
+      makeLink('Col1 Link 2'),
+      makeLink('Col1 Link 3')
+    ],
+    linksCol2: [
+      makeLink('Col2 Link 1'),
+      makeLink('Col2 Link 2'),
+      makeLink('Col2 Link 3')
+    ],
+    linksCol3: [
+      makeLink('Col3 Link 1', true),
+      makeLink('Col3 Link 2', true),
+      makeLink('Col3 Link 3', true)
+    ]
+  }
+};
+
+export const CFGov: Story = {
+  render: () => <FooterCfGov />
+};

src/components/Footer/Footer.tsx

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+import List from '../List/List';
+import { ListItemBuilder } from '../List/ListItem';
+import { BackToTop } from './BackToTop';
+import './Footer.less';
+import { FooterBanner } from './FooterBanner';
+import { FooterLinksColumn, NavLinks, SocialLinks } from './FooterLinks';
+import './SocialMedia.less';
+
+interface FooterProperties {
+  navLinks: JSX.Element[];
+  socialLinks: JSX.Element[];
+  linksCol1: JSX.Element[];
+  linksCol2: JSX.Element[];
+  linksCol3: JSX.Element[];
+}
+
+/**
+ * Simply define the anchor elements for each section to compose your Footer
+ */
+export default function Footer({
+  navLinks = [],
+  socialLinks = [],
+  linksCol1 = [],
+  linksCol2 = [],
+  linksCol3 = []
+}: FooterProperties): JSX.Element {
+  return (
+    <footer className='o-footer' data-js-hook='state_atomic_init'>
+      <div className='wrapper wrapper__match-content'>
+        <div className='o-footer_pre'>
+          <BackToTop />
+          <NavLinks>{navLinks}</NavLinks>
+          <SocialLinks>{socialLinks}</SocialLinks>
+        </div>
+
+        <div className='o-footer-middle-left'>
+          <FooterLinksColumn>{linksCol1}</FooterLinksColumn>
+          <FooterLinksColumn>{linksCol2}</FooterLinksColumn>
+        </div>
+
+        <div className='o-footer-middle-right'>
+          <List className='o-footer_list'>
+            <ListItemBuilder className='m-list_link'>
+              {linksCol3}
+            </ListItemBuilder>
+          </List>
+        </div>
+
+        <FooterBanner />
+      </div>
+    </footer>
+  );
+}

src/components/Footer/FooterBanner.tsx

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+export const FooterBanner = (): JSX.Element => (
+  <div className='o-footer-post'>
+    <div
+      className='a-tagline a-tagline__large'
+      aria-label='Official website of the United States government'
+    >
+      <span className='u-usa-flag' />
+      <div className='a-tagline_text'>
+        An official website of the&nbsp;
+        <span className='u-nowrap'>United States government</span>
+      </div>
+    </div>
+  </div>
+);