The CDATA tag content should be not formatted with angular parser

src/language-html/printer-html.js

@@ -68,6 +68,14 @@ function genericPrint(path, options, print) {
         printClosingTagEnd(node, options),
       ];
     case "text": {
+      // CDATA should not be formatted
+      if (
+        node.value.startsWith("<![CDATA") &&
+        node.value.endsWith("]>") &&
+        options.parser === "angular"
+      ) {
+        return node.value;
+      }
       if (node.parent.type === "interpolation") {
         // replace the trailing literalline with hardline for better readability
         const trailingNewlineRegex = /\n[^\S\n]*$/;

tests/format/angular/cdata/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,19 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`example.html format 1`] = `
+====================================options=====================================
+parsers: ["angular"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+<![CDATA[<app-alert>
+  Lorem ipsum dolor sit amet consectetur adipisicing elit.
+</app-alert>]]>
+
+=====================================output=====================================
+<![CDATA[<app-alert>
+  Lorem ipsum dolor sit amet consectetur adipisicing elit.
+</app-alert>]]>
+
+================================================================================
+`;

tests/format/angular/cdata/example.html

@@ -0,0 +1,3 @@
+<![CDATA[<app-alert>
+  Lorem ipsum dolor sit amet consectetur adipisicing elit.
+</app-alert>]]>

tests/format/angular/cdata/jsfmt.spec.js

@@ -0,0 +1 @@
+runFormatTest(import.meta, ["angular"]);