Absorb the matrix-react-sdk repository (#28192)

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test/unit-tests/__snapshots__/HtmlUtils-test.tsx.snap

@@ -0,0 +1,66 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`bodyToHtml does not mistake characters in text presentation mode for emoji 1`] = `
+<DocumentFragment>
+  <span
+    class="mx_EventTile_body translate"
+    dir="auto"
+  >
+    ↔ ❗︎
+  </span>
+</DocumentFragment>
+`;
+
+exports[`bodyToHtml feature_latex_maths should not mangle code blocks 1`] = `"<p>hello</p><pre><code>$\\xi$</code></pre><p>world</p>"`;
+
+exports[`bodyToHtml feature_latex_maths should not mangle divs 1`] = `"<p>hello</p><div>world</div>"`;
+
+exports[`bodyToHtml feature_latex_maths should render block katex 1`] = `"<p>hello</p><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mi>ξ</mi></mrow><annotation encoding="application/x-tex">\\xi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.04601em;">ξ</span></span></span></span></span><p>world</p>"`;
+
+exports[`bodyToHtml feature_latex_maths should render inline katex 1`] = `"hello <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ξ</mi></mrow><annotation encoding="application/x-tex">\\xi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.04601em;">ξ</span></span></span></span> world"`;
+
+exports[`bodyToHtml generates big emoji for emoji made of multiple characters 1`] = `
+<DocumentFragment>
+  <span
+    class="mx_EventTile_body mx_EventTile_bigEmoji translate"
+    dir="auto"
+  >
+    <span
+      class="mx_Emoji"
+      title=":man-woman-girl-boy:"
+    >
+      👨‍👩‍👧‍👦
+    </span>
+     
+    <span
+      class="mx_Emoji"
+      title=":left_right_arrow:"
+    >
+      ↔️
+    </span>
+     
+    <span
+      class="mx_Emoji"
+      title=":flag-is:"
+    >
+      🇮🇸
+    </span>
+  </span>
+</DocumentFragment>
+`;
+
+exports[`bodyToHtml should generate big emoji for an emoji-only reply to a message 1`] = `
+<DocumentFragment>
+  <span
+    class="mx_EventTile_body mx_EventTile_bigEmoji translate"
+    dir="auto"
+  >
+    <span
+      class="mx_Emoji"
+      title=":smiling_face_with_3_hearts:"
+    >
+      🥰
+    </span>
+  </span>
+</DocumentFragment>
+`;