fix: Handle scoped packages structure in node-lsmod (#426)

* ref: Moved node-lsmod package to local vendor file
* fix: Handle scoped packages structure in node-lsmod

Author: kamilogorek

lib/utils.js

@@ -4,7 +4,7 @@ var fs = require('fs');
 var url = require('url');
 var transports = require('./transports');
 var path = require('path');
-var lsmod = require('lsmod');
+var lsmod = require('../vendor/node-lsmod');
 var stacktrace = require('stack-trace');
 var stringify = require('../vendor/json-stringify-safe');
 

package.json

@@ -31,7 +31,6 @@
   },
   "dependencies": {
     "cookie": "0.3.1",
-    "lsmod": "1.0.0",
     "md5": "^2.2.1",
     "stack-trace": "0.0.9",
     "timed-out": "4.0.1",

test/raven.client.js

@@ -953,7 +953,6 @@ describe('raven.Client', function() {
           var msg = JSON.parse(dec.toString());
           var modules = msg.modules;
 
-          modules.should.have.property('lsmod');
           modules.should.have.property('uuid');
           done();
         });

vendor/node-lsmod.js

@@ -0,0 +1,68 @@
+'use strict';
+
+// Original repository: https://github.com/defunctzombie/node-lsmod/
+//
+// [2018-02-09] @kamilogorek - Handle scoped packages structure
+
+// builtin
+var fs = require('fs');
+var path = require('path');
+
+// node 0.6 support
+fs.existsSync = fs.existsSync || path.existsSync;
+
+// mainPaths are the paths where our mainprog will be able to load from
+// we store these to avoid grabbing the modules that were loaded as a result
+// of a dependency module loading its dependencies, we only care about deps our
+// mainprog loads
+var mainPaths = (require.main && require.main.paths) || [];
+
+module.exports = function() {
+  var paths = Object.keys(require.cache || []);
+
+  // module information
+  var infos = {};
+
+  // paths we have already inspected to avoid traversing again
+  var seen = {};
+
+  paths.forEach(function(p) {
+    /* eslint-disable consistent-return */
+
+    var dir = p;
+
+    (function updir() {
+      var orig = dir;
+      dir = path.dirname(orig);
+
+      if (/@[^/]+$/.test(dir)) {
+        dir = path.dirname(dir);
+      }
+
+      if (!dir || orig === dir || seen[orig]) {
+        return;
+      } else if (mainPaths.indexOf(dir) < 0) {
+        return updir();
+      }
+
+      var pkgfile = path.join(orig, 'package.json');
+      var exists = fs.existsSync(pkgfile);
+
+      seen[orig] = true;
+
+      // travel up the tree if no package.json here
+      if (!exists) {
+        return updir();
+      }
+
+      try {
+        var info = JSON.parse(fs.readFileSync(pkgfile, 'utf8'));
+        infos[info.name] = info.version;
+      } catch (e) {}
+    })();
+
+    /* eslint-enable consistent-return */
+  });
+
+  return infos;
+};