(feature) Add back conversion.

Author: LittleHelicase

gulpfile.js

@@ -1,10 +1,15 @@
 var gulp = require('gulp')
 var babel = require('gulp-babel')
+var es = require('event-stream')
 
 gulp.task('babel', function () {
-  return gulp.src('index.js')
+  return es.concat(
+    gulp.src('index.js')
       .pipe(babel())
-      .pipe(gulp.dest('lib'))
+      .pipe(gulp.dest('lib')),
+    gulp.src('index_back.js')
+      .pipe(babel())
+      .pipe(gulp.dest('lib')))
 })
 
 gulp.task('default', ['babel'])

index_back.js

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+/* global __dirname, process */
+
+import program from 'commander'
+import fs from 'fs'
+import getStdin from 'get-stdin'
+import graphlib from 'graphlib'
+import gdot from 'graphlib-dot'
+
+program
+  .version(JSON.parse(fs.readFileSync(__dirname + '/../package.json'))['version'])
+  .option('-f, --graphfile <graphfile>', 'Set graph file to parse. If none is given stdin is read')
+  .parse(process.argv)
+
+var processGraph = str => {
+  var graph = gdot.read(str)
+  var json = graphlib.json.write(graph)
+  return json
+}
+
+if (program.graphfile) {
+  var str = fs.readFileSync(program.graphfile)
+  console.log(processGraph(str))
+} else {
+  getStdin().then(str => {
+    try {
+      console.log(processGraph(str))
+    } catch (e) {
+      console.error('Error while processing: ', e)
+    }
+  })
+}

package.json

@@ -3,7 +3,8 @@
   "version": "1.0.3",
   "description": "Simple command line tool that converts graphlib graphs to dot files via graphlib-dot",
   "bin": {
-    "graphlib2dot": "lib/index.js"
+    "graphlib2dot": "lib/index.js",
+    "dot2graphlib": "lib/index_back.js"
   },
   "scripts": {
     "test": "node node_modules/standard/bin/cmd.js"
@@ -30,6 +31,7 @@
   "devDependencies": {
     "babel": "^5.8.29",
     "babel-eslint": "^4.1.3",
+    "event-stream": "^3.3.2",
     "gulp": "^3.9.0",
     "gulp-babel": "^5.3.0",
     "standard": "^5.4.1"