Do not flag if only adjacent text is a dot

Author: khiga8

src/rules/__tests__/a11y-link-in-text-block.test.js

@@ -13,15 +13,24 @@ const ruleTester = new RuleTester({
 
 ruleTester.run('a11y-link-in-text-block', rule, {
   valid: [
+    `import {Link} from '@primer/react';
+    <Box>
+  
+    <Link href="something">
+      Blah blah
+    </Link>{' '}
+    . 
+    </Box>
+  `,
     `import {Text, Link} from '@primer/react';
-    <Something>
-      <Link href='blah'>
-        blah
-      </Link>
-    </Something>
-    `,
+  <Something>
+    <Link href='blah'>
+      blah
+    </Link>
+  </Something>
+  `,
     `import {Link} from '@primer/react';
-     <p>bla blah <Link inline={true}>Link level 1</Link></p>;
+    <p>bla blah <Link inline={true}>Link level 1</Link></p>;
   `,
     `import {Link} from '@primer/react';
     <p>bla blah<Link inline>Link level 1</Link></p>;
@@ -71,6 +80,23 @@ ruleTester.run('a11y-link-in-text-block', rule, {
       Blah blah
     </Link>
     </span>
+`,
+    `import {Link} from '@primer/react';
+    <span>
+    by
+    <Link href="something" sx={{fontWeight: 'bold'}}>
+      Blah blah
+    </Link>
+    </span>
+`,
+    `import {Link} from '@primer/react';
+    <Box>
+
+    <Link href="something">
+      Blah blah
+    </Link>{' '}
+    .
+    </Box>
 `,
   ],
   invalid: [

src/rules/a11y-link-in-text-block.js

@@ -48,7 +48,14 @@ module.exports = {
             })
             const prevSibling = siblings[index - 1]
             const nextSibling = siblings[index + 1]
-            if ((prevSibling && prevSibling.type === 'JSXText') || (nextSibling && nextSibling.type === 'JSXText')) {
+
+            const prevSiblingIsText = prevSibling && prevSibling.type === 'JSXText'
+            const nextSiblingIsText = nextSibling && nextSibling.type === 'JSXText'
+            if (prevSiblingIsText || nextSiblingIsText) {
+              // If the only text adjacent to the link is a period, then skip it.
+              if (!prevSiblingIsText && /^\s*.+\s*$/.test(nextSibling.value)) {
+                return
+              }
               const sxAttribute = getJSXOpeningElementAttribute(node.openingElement, 'sx')
               const inlineAttribute = getJSXOpeningElementAttribute(node.openingElement, 'inline')