Do not indent for switch case with `;` (#1687)

The indentation detection didn't discard empty statements

.eslintignore

@@ -3,3 +3,4 @@
 /tests/**/*.js
 !/tests/**/jsfmt.spec.js
 !/**/.eslintrc.js
+/test.js

src/printer.js

@@ -1423,8 +1423,13 @@ function genericPrintNoParens(path, options, print, args) {
               .filter(e => e !== null)
           );
         }, "consequent");
+
+        const consequent = n.consequent.filter(
+          node => node.type !== "EmptyStatement"
+        );
+
         parts.push(
-          n.consequent.length === 1 && n.consequent[0].type === "BlockStatement"
+          consequent.length === 1 && consequent[0].type === "BlockStatement"
             ? concat([" ", cons])
             : indent(concat([hardline, cons]))
         );

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

@@ -143,6 +143,24 @@ switch (a) {
 
 `;
 
+exports[`empty_statement.js 1`] = `
+switch (error.code) {
+	case ConfigurationEditingErrorCode.ERROR_INVALID_CONFIGURATION: {
+		nls.localize('errorInvalidConfiguration', "Unable to write into settings. Correct errors/warnings in the file and try again.");
+	};
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+switch (error.code) {
+  case ConfigurationEditingErrorCode.ERROR_INVALID_CONFIGURATION: {
+    nls.localize(
+      "errorInvalidConfiguration",
+      "Unable to write into settings. Correct errors/warnings in the file and try again."
+    );
+  }
+}
+
+`;
+
 exports[`empty_switch.js 1`] = `
 switch (1) { default:; }
 switch (1) {}

tests/switch/empty_statement.js

@@ -0,0 +1,5 @@
+switch (error.code) {
+	case ConfigurationEditingErrorCode.ERROR_INVALID_CONFIGURATION: {
+		nls.localize('errorInvalidConfiguration', "Unable to write into settings. Correct errors/warnings in the file and try again.");
+	};
+}