Support for TypeScript

.editorconfig

@@ -0,0 +1,13 @@
+; http://editorconfig.org
+root = true
+
+[*]
+indent_style = tab
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{package.json,.travis.yml}]
+indent_style = space
+indent_size = 2

package.json

@@ -39,23 +39,23 @@
     "test:output": "./test/output.sh"
   },
   "dependencies": {
-    "chalk": "^1.1.3",
-    "commander": "^2.9.0",
-    "commondir": "^1.0.1",
-    "debug": "^2.2.0",
-    "dependency-tree": "5.9.1",
-    "graphviz": "^0.0.8",
-    "mz": "^2.4.0",
+    "chalk": "1.1.3",
+    "commander": "2.9.0",
+    "commondir": "1.0.1",
+    "debug": "2.2.0",
+    "dependency-tree": "5.10.1",
+    "graphviz": "0.0.8",
+    "mz": "2.4.0",
     "ora": "1.2.0",
     "pluralize": "4.0.0",
     "pretty-ms": "2.1.0",
-    "rc": "^1.1.6",
-    "walkdir": "^0.0.11"
+    "rc": "1.1.6",
+    "walkdir": "0.0.11"
   },
   "devDependencies": {
     "@aptoma/eslint-config": "6.0.0",
     "eslint": "3.19.0",
-    "mocha": "^3.2.0",
+    "mocha": "3.2.0",
     "should": "11.2.1"
   }
 }

test/typescript.js

@@ -0,0 +1,20 @@
+/* eslint-env mocha */
+'use strict';
+
+const madge = require('../lib/api');
+require('should');
+
+describe('TypeScript', () => {
+	const dir = __dirname + '/typescript';
+
+	it('extracts module dependencies', (done) => {
+		madge(dir + '/import.ts').then((res) => {
+			res.obj().should.eql({
+				'import.ts': ['require.ts'],
+				'require.ts': ['export.ts'],
+				'export.ts': []
+			});
+			done();
+		}).catch(done);
+	});
+});

test/typescript/export.ts

@@ -0,0 +1,7 @@
+class ExportClass {
+    stringLength(s: string) {
+        return s.length;
+    }
+}
+
+export = ExportClass;

test/typescript/import.ts

@@ -0,0 +1,8 @@
+import B from './require';
+
+class ImportClass {
+    constructor(public greeting: string) { }
+    greet() {
+        return "<h1>" + this.greeting + "</h1>";
+    }
+};

test/typescript/require.ts

@@ -0,0 +1,7 @@
+import x = require('./export');
+
+export default class RequireClass  {
+    stringLength(s: string) {
+        return s.length;
+    }
+}