feat: add optional parameter to skip schema validate (#38)

* add optional parameter to skip schema validate

* add optional parameter to skip schema validate

* add optional parameter to skip schema validate

* add optional parameter to skip schema validate

* Update lib/read.js

Co-Authored-By: fent <fentbox@gmail.com>

lib/read.js

@@ -2,6 +2,7 @@ const fs       = require('fs');
 const BStream  = require('bncode').Stream;
 
 const schema  = require('./schema');
+const Torrent = require('./torrent');
 
 
 /**
@@ -10,12 +11,18 @@ const schema  = require('./schema');
  * @param {String|ReadableStream} file File where the torrent
  *   resides, can be local file, remote, or a readable stream.
  * @param {Function(!Error, Torrent)} callback
+ * @param {Boolean} validate validate or not schema
  * @param {ReadableStream}
  */
-module.exports = (file, callback) => {
+module.exports = (file, validate = true, callback) => {
+  if (typeof validate === 'function') {
+    callback = validate;
+    validate = true
+  }
   if (!callback) {
     callback = () => {};
   }
+
   var rs = typeof file === 'string' ? fs.createReadStream(file) : file;
   var bstream = new BStream();
   rs.pipe(bstream);
@@ -28,7 +35,11 @@ module.exports = (file, callback) => {
   });
 
   bstream.on('data', (result) => {
-    schema.validate(result, callback);
+    if (validate) {
+      schema.validate(result, callback);
+      return;
+    }
+    callback(null, new Torrent(result));
   });
 
   return rs;