Upgrade typescript to 2.4 (#2120)

Fixes #2117

package.json

@@ -45,8 +45,8 @@
     "rollup-plugin-node-globals": "1.1.0",
     "rollup-plugin-node-resolve": "2.0.0",
     "rollup-plugin-replace": "1.1.1",
-    "typescript": "2.3.4",
-    "typescript-eslint-parser": "git://github.com/eslint/typescript-eslint-parser.git#806251524424e3ad91e750da0f76b8de25ed0b42",
+    "typescript": "2.4.0",
+    "typescript-eslint-parser": "git://github.com/eslint/typescript-eslint-parser.git#ts-2.4",
     "uglify-es": "3.0.15",
     "webpack": "2.6.1"
   },

src/printer.js

@@ -609,6 +609,9 @@ function genericPrintNoParens(path, options, print, args) {
       }
 
       return path.call(print, "id");
+    case "TSExportAssigment": {
+      return concat(["export = ", path.call(print, "expression"), semi]);
+    }
     case "ExportDeclaration":
     case "ExportDefaultDeclaration":
     case "ExportNamedDeclaration":
@@ -1569,11 +1572,6 @@ function genericPrintNoParens(path, options, print, args) {
 
       return concat(parts);
     case "JSXIdentifier":
-      // Can be removed when this is fixed:
-      // https://github.com/eslint/typescript-eslint-parser/issues/307
-      if (!n.name) {
-        return "this";
-      }
       return "" + n.name;
     case "JSXNamespacedName":
       return join(":", [
@@ -2118,6 +2116,7 @@ function genericPrintNoParens(path, options, print, args) {
     }
     case "NullableTypeAnnotation":
       return concat(["?", path.call(print, "typeAnnotation")]);
+    case "TSNullKeyword":
     case "NullLiteralTypeAnnotation":
       return "null";
     case "ThisTypeAnnotation":
@@ -2492,13 +2491,9 @@ function genericPrintNoParens(path, options, print, args) {
       return group(concat(parts));
     case "TSNamespaceExportDeclaration":
       if (n.declaration) {
-        // Temporary fix until https://github.com/eslint/typescript-eslint-parser/issues/263
-        const isDefault = options.originalText
-          .slice(util.locStart(n), util.locStart(n.declaration))
-          .match(/\bdefault\b/);
         parts.push(
           "export ",
-          isDefault ? "default " : "",
+          n.default ? "default " : "",
           path.call(print, "declaration")
         );
       } else {
@@ -3149,20 +3144,7 @@ function printExportDeclaration(path, options, print) {
   const parts = ["export "];
 
   if (decl["default"] || decl.type === "ExportDefaultDeclaration") {
-    // Temp fix, delete after https://github.com/eslint/typescript-eslint-parser/issues/304
-    if (
-      decl.declaration &&
-      /=/.test(
-        options.originalText.slice(
-          util.locStart(decl),
-          util.locStart(decl.declaration)
-        )
-      )
-    ) {
-      parts.push("= ");
-    } else {
-      parts.push("default ");
-    }
+    parts.push("default ");
   }
 
   parts.push(
@@ -4492,7 +4474,7 @@ function shouldHugType(node) {
         n.type === "VoidTypeAnnotation" ||
         n.type === "TSVoidKeyword" ||
         n.type === "NullLiteralTypeAnnotation" ||
-        (n.type === "Literal" && n.value === null)
+        n.type === "TSNullKeyword"
     ).length;
 
     const objectCount = node.types.filter(

tests/dynamic_import/jsfmt.spec.js

@@ -1 +1 @@
-run_spec(__dirname, { parser: "babylon" });
+run_spec(__dirname, null, ["babylon", "typescript"]);

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

@@ -38,7 +38,7 @@ interface AudioBufferList {
 class<T> implements Map<T> {}
 
 interface AudioBufferList {
-  mBuffers: interop.Reference<any> /*AudioBuffer*/;
+  mBuffers: interop.Reference<any /*AudioBuffer*/>;
 }
 
 `;

yarn.lock

@@ -3589,9 +3589,16 @@ typedarray@^0.0.6:
     lodash.unescape "4.0.1"
     semver "5.3.0"
 
-typescript@2.3.4:
-  version "2.3.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.3.4.tgz#3d38321828231e434f287514959c37a82b629f42"
+"typescript-eslint-parser@git://github.com/eslint/typescript-eslint-parser.git#ts-2.4":
+  version "3.0.0"
+  resolved "git://github.com/eslint/typescript-eslint-parser.git#fcfc9579a01a39df1cd79fbb8304c43564a5f23b"
+  dependencies:
+    lodash.unescape "4.0.1"
+    semver "5.3.0"
+
+typescript@2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.4.0.tgz#aef5a8d404beba36ad339abf079ddddfffba86dd"
 
 uglify-es@3.0.15:
   version "3.0.15"