handle a couple of entity edge cases (tc39#489)

gibson042 · Oct 6, 2022 · 7bc7f2e · 7bc7f2e
1 parent 34e14b8
commit 7bc7f2e
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/src/formatter/text.ts b/src/formatter/text.ts
@@ -12,8 +12,10 @@ export function printText(text: string, indent: number): LineBuilder {
       return entities[m];
     }
     const lower = m.toLowerCase();
-    if (lower === '&le;' || lower === '&amp;') {
+    if (lower === '&lt;' || lower === '&amp;') {
       return lower;
+    } else if (lower === '&lt' || lower === '&amp') {
+      return lower + ';';
     }
     return m;
   });

diff --git a/test/formatter.js b/test/formatter.js
@@ -657,7 +657,7 @@ describe('entities', () => {
     await assertDocFormatsAs(
       `
       <div>
-        some entities are transformed: &AMP; &frac12; &frac12 &fjlig; &CapitalDifferentialD;
+        some entities are transformed: &AMP; &AMP &LT &frac12; &frac12 &fjlig; &CapitalDifferentialD;
         others are preserved: &amp; &lt; &nbsp; &nbsp &NotAnEntity;
       </div>
       <emu-alg>
@@ -666,7 +666,7 @@ describe('entities', () => {
       `,
       dedentKeepingTrailingNewline`
       <div>
-        some entities are transformed: &amp; ½ ½ fj ⅅ
+        some entities are transformed: &amp; &amp; &lt; ½ ½ fj ⅅ
         others are preserved: &amp; &lt; &nbsp; &nbsp &NotAnEntity;
       </div>
       <emu-alg>