removed speccy and using oas-resolver

index.js

@@ -2,7 +2,6 @@ var converter = require('./lib/convert.js'),
   validate = require('./lib/validate.js'),
   parse = require('./lib/parse.js'),
   async = require('async'),
-  loader = require('speccy/lib/loader'),
   _ = require('lodash'),
   fs = require('fs');
 
@@ -35,7 +34,7 @@ module.exports = {
         rootFiles = parse.getRootFiles(filesPathArray);
 
       async.eachSeries(rootFiles, (rootFile, callback) => {
-        loader
+        parse
         // will merge all the files in the folder
           .loadSpec(rootFile, loaderOptions)
           .then((spec) => {

lib/parse.js

@@ -1,5 +1,8 @@
 var yaml = require('js-yaml'),
-  fs = require('fs');
+  fetch = require('node-fetch'),
+  fs = require('fs'),
+  resolver = require('oas-resolver'),
+  yamlParse = require('yaml');
 
 module.exports = {
 
@@ -136,5 +139,69 @@ module.exports = {
     });
 
     return rootFilesArray;
+  },
+
+  resolveContent: function (openapi, options) {
+    return resolver.resolve(openapi, options.source, {
+      options: Object.assign({}, options),
+      resolve: true,
+      cache: [],
+      externals: [],
+      externalRefs: {},
+      rewriteRefs: true,
+      openapi: openapi
+    });
+  },
+
+  loadSpec: function(source, options = {}) {
+    options.source = source;
+    options.origin = source;
+    return this.readSpecFile(source)
+      .then((content) => {
+        try {
+          return yamlParse.parse(content, { prettyErrors: true });
+        }
+        catch (err) {
+          throw new ReadError('\nLine: ' + err.linePos.start.line + ', col: ' +
+           err.linePos.start.col + ' ' + err.message);
+        }
+      }, (err) => {
+        throw new OpenError(err.message);
+      })
+      .then((unresolved) => {
+        if (options.resolve === true) {
+          return this.resolveContent(unresolved, options);
+        }
+      }, (err) => {
+        throw err;
+      })
+      .then((result) => {
+        return result.openapi;
+      }, (err) => {
+        throw err;
+      });
+  },
+
+  readSpecFile: function (file) {
+    if (file && file.startsWith('http')) {
+      // remote file
+      return fetch(file).then((res) => {
+        if (res.status !== 200) {
+          return `Received status code ${res.status}`;
+        }
+        return res.text();
+      });
+    }
+    return this.readFileAsync(file, 'utf8');
+
+  },
+
+  readFileAsync: function(filename, encoding) {
+    return new Promise((resolve, reject) => {
+      fs.readFile(filename, encoding, (err, data) => {
+        if (err) { reject(err); }
+        else { resolve(data); }
+      });
+    });
   }
 };

package.json

@@ -120,8 +120,8 @@
     "commander": "2.3.0",
     "js-yaml": "3.13.1",
     "lodash": "4.17.13",
-    "postman-collection": "3.5.1",
-    "speccy": "0.11.0"
+    "oas-resolver": "2.2.5",
+    "postman-collection": "3.5.1"
   },
   "author": "Postman Labs <help@getpostman.com>",
   "license": "Apache-2.0",