feat(html): format script with "application/ld+json" (#5642)

src/language-html/utils.js

@@ -375,6 +375,10 @@ function inferScriptParser(node) {
     if (node.attrMap.type === "text/markdown") {
       return "markdown";
     }
+
+    if (node.attrMap.type === "application/ld+json") {
+      return "json";
+    }
   }
 
   if (node.name === "style") {

tests/html_script/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,19 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`script.html 1`] = `
+====================================options=====================================
+parsers: ["html"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+<script type="application/ld+json">
+  {   "json":true  }
+</script>
+
+=====================================output=====================================
+<script type="application/ld+json">
+  { "json": true }
+</script>
+
+================================================================================
+`;

tests/html_script/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname, ["html"]);

tests/html_script/script.html

@@ -0,0 +1,3 @@
+<script type="application/ld+json">
+  {   "json":true  }
+</script>