import{S as Re,i as Be,s as De,e as Ce,a as k,N as R,b as g,g as x,t as w,c as ee,d as A,O as je,K as Ee,o as Ge,P as Qe,j as W,m as z,n as q,w as v,D as B,Q as Y,x as c,C as T,R as Je,z as O,T as Pe,U as be,V as ge,f as he,q as le,u as oe,r as fe,v as ce,p as te,k as ne,l as re,E as de,M as Ye}from"./index-25af778d.js";import{p as Ze,M as xe,T as et,S as se}from"./collect-stories-cce06d4a.js";import{B as tt}from"./Block-9c89ee1a.js";import{P as nt}from"./PaddingReset-d848e1b7.js";import{t as rt}from"./throttle-1cd3618f.js";import{a as Z,w as at}from"./withParams-90715500.js";const it=`A before and after image comparison component.

\`\`\`html
<script>
  import { BeforeAfter } from '@reuters-graphics/graphics-components';
  import { assets } from '$app/paths'; // If using in the Graphics Kit
<\/script>

<BeforeAfter
  beforeSrc="{\`\${assets}/images/before-after/myrne-before.jpg\`}"
  beforeAlt="Satellite image of Russian base at Myrne taken on July 7, 2020."
  afterSrc="{\`\${assets}/images/before-after/myrne-after.jpg\`}"
  afterAlt="Satellite image of Russian base at Myrne taken on Oct. 20, 2020."
/>
\`\`\`
`,_e=`Add overlays with the \`beforeOverlay\` and \`afterOverlay\` slots and a caption to the \`caption\` slot, then style these elements to match your page design as below.

\`\`\`html
<BeforeAfter
  beforeSrc="{\`\${assets}/images/before-after/myrne-before.jpg\`}"
  beforeAlt="Satellite image of Russian base at Myrne taken on July 7, 2020."
  afterSrc="{\`\${assets}/images/before-after/myrne-after.jpg\`}"
  afterAlt="Satellite image of Russian base at Myrne taken on Oct. 20, 2020."
>
  <div slot="beforeOverlay" class="overlay before">
    <h6>July 7, 2020</h6>
    <p>Initially, this site was far smaller.</p>
  </div>
  <div slot="afterOverlay" class="overlay after">
    <h6>Oct. 20, 2020</h6>
    <p>But then forces built up.</p>
  </div>
</BeforeAfter>

<style lang="scss">
  .overlay {
    color: white;
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    h6,
    p {
      color: white;
      margin: 0;
    }
    &.after {
      text-align: right;
    }
  }
</style>
\`\`\`
`,ve=`Use text elements in your overlays as [ARIA descriptions](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-describedby) for your images by setting an ID on text elements within each overly with the \`description\` [slot prop](https://svelte.dev/tutorial/slot-props).

> **💡 TIP:** You must always use the \`beforeAlt\` / \`afterAlt\` props to label your image for visually impaired readers, but you can use these descriptions to provide more information or context that the reader might also need.

\`\`\`html
<BeforeAfter
  beforeSrc="{\`\${assets}/images/before-after/myrne-before.jpg\`}"
  beforeAlt="Satellite image of Russian base at Myrne taken on July 7, 2020."
  afterSrc="{\`\${assets}/images/before-after/myrne-after.jpg\`}"
  afterAlt="Satellite image of Russian base at Myrne taken on Oct. 20, 2020."
>
  <!-- 👇 Define the prop on each slot... -->
  <div let:description="{id}" slot="beforeOverlay">
    <p id="{id}">
      On July 7, 2020, the base contained only a few transport vehicles.
    </p>
  </div>
  <div let:description="{id}" slot="afterOverlay">
    <!-- 👇 id can also be used on an element containing multiple text elements -->
    <div id="{id}">
      <p>But by October, tanks and artillery could be seen.</p>
      <p>
        In total, over 50 pieces of heavy machinery and 200 personnel are now
        based here.
      </p>
    </div>
  </div>
</BeforeAfter>
\`\`\`
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