Support a tsconfig

Refs pahen/madge#184
Refs pahen/madge#167
Refs pahen/madge#179
Refs dependents/node-filing-cabinet#64

README.md

@@ -21,6 +21,7 @@ var tree = dependencyTree({
   directory: 'path/to/all/files',
   requireConfig: 'path/to/requirejs/config', // optional
   webpackConfig: 'path/to/webpack/config', // optional
+  tsConfig: 'path/to/typescript/config', // optional
   nodeModulesConfig: {
     entry: 'module'
   }, // optional
@@ -41,6 +42,7 @@ var list = dependencyTree.toList({
 
 * `requireConfig`: path to a requirejs config for AMD modules (allows for the result of aliased module paths)
 * `webpackConfig`: path to a webpack config for aliased modules
+* `tsConfig`: path to a typescript config (or a preloaded object representing the typescript config)
 * `nodeModulesConfig`: config for resolving entry file for node_modules
 * `visited`: object used for avoiding redundant subtree generations via memoization.
 * `nonExistent`: array used for storing the list of partial paths that do not exist

index.js

@@ -21,6 +21,7 @@ const Config = require('./lib/Config');
  *                             Format is a filename -> tree as list lookup table
  * @param {Array} [options.nonExistent] - List of partials that do not exist
  * @param {Boolean} [options.isListForm=false]
+ * @param {String|Object} [options.tsConfig] Path to a typescript config (or a preloaded one).
  * @return {Object}
  */
 module.exports = function(options) {
@@ -107,7 +108,8 @@ module.exports._getDependencies = function(config) {
       ast: precinct.ast,
       config: config.requireConfig,
       webpackConfig: config.webpackConfig,
-      nodeModulesConfig: config.nodeModulesConfig
+      nodeModulesConfig: config.nodeModulesConfig,
+      tsConfig: config.tsConfig
     });
 
     if (!result) {

lib/Config.js

@@ -14,6 +14,7 @@ class Config {
     this.webpackConfig = options.webpackConfig;
     this.nodeModulesConfig = options.nodeModulesConfig;
     this.detectiveConfig = options.detective || options.detectiveConfig || {};
+    this.tsConfig = options.tsConfig;
 
     this.filter = options.filter;