add built-in source-map-support

Author: wclr

lib/child-require-hook.js

@@ -11,6 +11,7 @@ var preferTs = false
 var ignore = [/node_modules/]
 var readyFile
 var execCheck = false
+var sourceMapSupportPath
 
 var checkFileScript = join(__dirname, 'check-file-exists.js')
 
@@ -46,7 +47,7 @@ var compile = (code, fileName) => {
   return compiled
 }
 
-function registerExtensions(extensions) {
+function registerExtensions(extensions) {  
   extensions.forEach(function(ext) {
     var old = require.extensions[ext] || require.extensions['.js']
     require.extensions[ext] = function(m, fileName) {
@@ -95,6 +96,10 @@ function registerJsExtension() {
   }
 }
 
+require(sourceMapSupportPath).install({
+  hookRequire: true
+})
+
 registerExtensions(['.ts', '.tsx'])
 registerJsExtension()
 

lib/compiler.js

@@ -11,6 +11,7 @@ var tsHandler
 
 var getCompiledPath = require('./get-compiled-path')
 var tmpDir = '.ts-node'
+var sourceMapSupportPath = require.resolve('source-map-support').replace(/\\/g, '/')
 
 var extensions = ['.ts', '.tsx']
 var empty = function() {}
@@ -48,6 +49,7 @@ var compiler = {
     var fileData = fs.writeFileSync(compiler.getCompilerReadyFilePath(), '')
   },
   writeChildHookFile: function(options) {
+    
     var fileData = fs.readFileSync(
       path.join(__dirname, 'child-require-hook.js'),
       'utf-8'
@@ -96,6 +98,10 @@ var compiler = {
       'var readyFile',
       'var readyFile = "' + compiler.getCompilerReadyFilePath() + '"'
     )
+    fileData = fileData.replace(
+      'var sourceMapSupportPath',
+      'var sourceMapSupportPath = "' + sourceMapSupportPath + '"'
+    )    
     fileData = fileData.replace(
       /__dirname/,
       '"' + __dirname.replace(/\\/g, '/') + '"'

lib/index.js

@@ -4,7 +4,7 @@ var ipc = require('./ipc')
 var resolveMain = require('./resolveMain')
 var compiler = require('./compiler')
 var fs = require('fs')
-const tsNodeVersion = require('ts-node').VERSION
+var tsNodeVersion = require('ts-node').VERSION
 var tsVersion = require('typescript').version
 
 module.exports = function(script, scriptArgs, nodeArgs, opts) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ts-node-dev",
-  "version": "1.0.0-pre.34",
+  "version": "1.0.0-pre.35",
   "description": "Compiles your TS app and restarts when files are modified.",
   "keywords": [
     "restart",

test/ts/test-script.ts

@@ -2,8 +2,15 @@ import { fn } from './dep'
 import { A } from './dep-interface'
 const str: string = process.argv[2]
 const obj: A = {
-  //a: '1'
+  a: '1',
+  b: 2
 }
 console.log('test', str)
 
 //fn()
+
+
+
+console.log('test', str)
+
+throw new Error('fds')