Merge pull request #45 from danharper/fix38

Print Flow types with no name (fixes #38)

src/printer.js

@@ -1331,7 +1331,7 @@ function genericPrintNoParens(path, options, print) {
     return concat([
       path.call(print, "name"),
       n.optional ? "?" : "",
-      ": ",
+      n.name ? ": " : "",
       path.call(print, "typeAnnotation")
     ]);
   case "GenericTypeAnnotation":
@@ -1421,7 +1421,7 @@ function genericPrintNoParens(path, options, print) {
       variance,
       "[",
       path.call(print, "id"),
-      ": ",
+      n.id ? ": " : "",
       path.call(print, "key"),
       "]: ",
       path.call(print, "value")

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

@@ -0,0 +1,9 @@
+exports[`test optional-type-name.js 1`] = `
+"type Foo = (any) => string
+
+type Bar = { [string]: number }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+type Foo = (any) => string;
+
+type Bar = { [string]: number };"
+`;

tests/prettier/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname);

tests/prettier/optional-type-name.js

@@ -0,0 +1,3 @@
+type Foo = (any) => string
+
+type Bar = { [string]: number }