Breaking: Support TypeScript 2.7 (fixes #442,#426) (#447)

Author: JamesHenry

.travis.yml

@@ -1,8 +1,6 @@
 language: node_js
 sudo: false
 node_js:
-    - "4"
-    - "5"
     - "6"
     - "7"
     - "8"

README.md

@@ -8,7 +8,7 @@ A parser that converts TypeScript source code into an [ESTree](https://github.co
 
 We will always endeavor to support the latest stable version of TypeScript.
 
-The version of TypeScript currently supported by this parser is `~2.6.1`. This is reflected in the `devDependency` requirement within the package.json file, and it is what the tests will be run against. We have an open `peerDependency` requirement in order to allow for experimentation on newer/beta versions of TypeScript.
+The version of TypeScript currently supported by this parser is `~2.7.1`. This is reflected in the `devDependency` requirement within the package.json file, and it is what the tests will be run against. We have an open `peerDependency` requirement in order to allow for experimentation on newer/beta versions of TypeScript.
 
 If you use a non-supported version of TypeScript, the parser will log a warning to the console.
 

lib/ast-node-types.js

@@ -141,6 +141,7 @@ module.exports = {
     TSSymbolKeyword: "TSSymbolKeyword",
     TSTypeAnnotation: "TSTypeAnnotation",
     TSTypeLiteral: "TSTypeLiteral",
+    TSTypeOperator: "TSTypeOperator",
     TSTypeParameter: "TSTypeParameter",
     TSTypeParameterDeclaration: "TSTypeParameterDeclaration",
     TSTypeParameterInstantiation: "TSTypeParameterInstantiation",

lib/convert.js

@@ -1573,6 +1573,14 @@ module.exports = function convert(config) {
             });
             break;
 
+        case SyntaxKind.TypeOperator:
+            Object.assign(result, {
+                type: AST_NODE_TYPES.TSTypeOperator,
+                operator: nodeUtils.getTextForTokenKind(node.operator),
+                typeAnnotation: convertChild(node.type)
+            });
+            break;
+
         // Binary Operations
 
         case SyntaxKind.BinaryExpression:

lib/node-utils.js

@@ -97,6 +97,8 @@ TOKEN_TO_TEXT[SyntaxKind.BarEqualsToken] = "|=";
 TOKEN_TO_TEXT[SyntaxKind.CaretEqualsToken] = "^=";
 TOKEN_TO_TEXT[SyntaxKind.AtToken] = "@";
 TOKEN_TO_TEXT[SyntaxKind.InKeyword] = "in";
+TOKEN_TO_TEXT[SyntaxKind.UniqueKeyword] = "unique";
+TOKEN_TO_TEXT[SyntaxKind.KeyOfKeyword] = "keyof";
 
 /**
  * Find the first matching child based on the given sourceFile and predicate function.

package.json

@@ -19,19 +19,19 @@
   "license": "BSD-2-Clause",
   "devDependencies": {
     "babel-code-frame": "6.26.0",
-    "babylon": "7.0.0-beta.34",
+    "babylon": "7.0.0-beta.39",
     "dedent": "0.7.0",
-    "eslint": "4.13.1",
+    "eslint": "4.17.0",
     "eslint-config-eslint": "4.0.0",
-    "eslint-plugin-node": "5.2.1",
+    "eslint-plugin-node": "6.0.0",
     "eslint-release": "0.10.3",
     "glob": "7.1.2",
-    "jest": "21.2.1",
+    "jest": "22.2.1",
     "lodash.isplainobject": "4.0.6",
     "npm-license": "0.3.3",
-    "shelljs": "0.7.8",
+    "shelljs": "0.8.1",
     "shelljs-nodecli": "0.1.1",
-    "typescript": "~2.6.1"
+    "typescript": "~2.7.1"
   },
   "keywords": [
     "ast",
@@ -56,7 +56,7 @@
   },
   "dependencies": {
     "lodash.unescape": "4.0.1",
-    "semver": "5.4.1"
+    "semver": "5.5.0"
   },
   "peerDependencies": {
     "typescript": "*"

tests/ast-alignment/fixtures-to-test.js

@@ -399,6 +399,8 @@ let fixturePatternConfigsToTest = [
             "export-type-class-declaration",
             "abstract-interface",
             "export-type-alias-declaration",
+            "unique-symbol",
+            "keyof-operator",
             /**
              * tsep bug - Program.body[0].expression.left.properties[0].value.right is currently showing up
              * as `ArrayPattern`, babylon, acorn and espree say it should be `ArrayExpression`

tests/fixtures/typescript/basics/keyof-operator.src.ts

@@ -0,0 +1 @@
+type x = keyof foo;

tests/fixtures/typescript/basics/unique-symbol.src.ts

@@ -0,0 +1 @@
+type A = unique symbol;