From 99e4bae321fd395d75fdfd92e94c68977b386531 Mon Sep 17 00:00:00 2001
From: Danny Arnold <despair.blue@gmail.com>
Date: Fri, 21 Apr 2017 16:57:26 +0200
Subject: [PATCH] add TSConstructorType (#1367)

* add TSConstructorType

* combine condition

* combine strings
---
 src/printer.js                                        | 11 ++++++++++-
 .../constructorType/__snapshots__/jsfmt.spec.js.snap  |  8 ++++++++
 .../types/constructorType/cunstructorType.ts          |  1 +
 .../conformance/types/constructorType/jsfmt.spec.js   |  1 +
 4 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 tests/typescript/conformance/types/constructorType/__snapshots__/jsfmt.spec.js.snap
 create mode 100644 tests/typescript/conformance/types/constructorType/cunstructorType.ts
 create mode 100644 tests/typescript/conformance/types/constructorType/jsfmt.spec.js

diff --git a/src/printer.js b/src/printer.js
index b3afc61f5..fe9cc3dc9 100644
--- a/src/printer.js
+++ b/src/printer.js
@@ -1515,8 +1515,10 @@ function genericPrintNoParens(path, options, print, args) {
             path.getParentNode().constraint) &&
           // TypeScript should not have a colon in TSFirstTypeNode nodes
           // `a is number`
+          // or TSConstructorType nodes
           !(path.getParentNode().type === "TypeAnnotation" &&
-           path.getParentNode().typeAnnotation.type === 'TSFirstTypeNode')
+            (path.getParentNode().typeAnnotation.type === 'TSFirstTypeNode' ||
+              path.getParentNode().typeAnnotation.type === "TSConstructorType"))
         ) {
           parts.push(": ");
         }
@@ -1972,6 +1974,13 @@ function genericPrintNoParens(path, options, print, args) {
         path.call(print, "indexType"),
         "]"
       ])
+    case "TSConstructorType":
+      return concat([
+        "new(",
+        join(", ", path.map(print, "parameters")),
+        ") => ",
+        path.call(print, "typeAnnotation"),
+      ])
     // TODO
     case "ClassHeritage":
     // TODO
diff --git a/tests/typescript/conformance/types/constructorType/__snapshots__/jsfmt.spec.js.snap b/tests/typescript/conformance/types/constructorType/__snapshots__/jsfmt.spec.js.snap
new file mode 100644
index 000000000..3961f1fac
--- /dev/null
+++ b/tests/typescript/conformance/types/constructorType/__snapshots__/jsfmt.spec.js.snap
@@ -0,0 +1,8 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`cunstructorType.ts 1`] = `
+var d: new(x: number) => void;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+var d: new(x: number) => void;
+
+`;
diff --git a/tests/typescript/conformance/types/constructorType/cunstructorType.ts b/tests/typescript/conformance/types/constructorType/cunstructorType.ts
new file mode 100644
index 000000000..2308d1d36
--- /dev/null
+++ b/tests/typescript/conformance/types/constructorType/cunstructorType.ts
@@ -0,0 +1 @@
+var d: new(x: number) => void;
diff --git a/tests/typescript/conformance/types/constructorType/jsfmt.spec.js b/tests/typescript/conformance/types/constructorType/jsfmt.spec.js
new file mode 100644
index 000000000..bc085c48c
--- /dev/null
+++ b/tests/typescript/conformance/types/constructorType/jsfmt.spec.js
@@ -0,0 +1 @@
+run_spec(__dirname, { parser: "typescript" });