1 files changed, 1 insertions, 66 deletions
diff --git a/lib/plugins/installPlugins.js b/lib/plugins/installPlugins.js
index 5adae04..ed9316c 100644
--- a/lib/plugins/installPlugins.js
+++ b/lib/plugins/installPlugins.js
@@ -1,75 +1,10 @@
-var npm = require('npm');
 var npmi = require('npmi');
-var semver = require('semver');
-var Immutable = require('immutable');
 
 var pkg = require('../../package.json');
 var DEFAULT_PLUGINS = require('../constants/defaultPlugins');
 var Promise = require('../utils/promise');
-var Plugin = require('../models/plugin');
-var gitbook = require('../gitbook');
 var listForBook = require('./listForBook');
-
-var npmIsReady;
-
-/**
-    Initialize and prepare NPM
-
-    @return {Promise}
-*/
-function initNPM() {
-    if (npmIsReady) return npmIsReady;
-
-    npmIsReady = Promise.nfcall(npm.load, {
-        silent: true,
-        loglevel: 'silent'
-    });
-
-    return npmIsReady;
-}
-
-
-
-/**
-    Resolve a plugin to a version
-
-    @param {Plugin}
-    @return {Promise<String>}
-*/
-function resolveVersion(plugin) {
-    var npmId = Plugin.nameToNpmID(plugin.getName());
-    var requiredVersion = plugin.getVersion();
-
-    return initNPM()
-    .then(function() {
-        return Promise.nfcall(npm.commands.view, [npmId + '@' + requiredVersion, 'engines'], true);
-    })
-    .then(function(versions) {
-        versions = Immutable.Map(versions).entrySeq();
-
-        var result = versions
-            .map(function(entry) {
-                return {
-                    version: entry[0],
-                    gitbook: (entry[1].engines || {}).gitbook
-                };
-            })
-            .filter(function(v) {
-                return v.gitbook && gitbook.satisfies(v.gitbook);
-            })
-            .sort(function(v1, v2) {
-                return semver.lt(v1.version, v2.version)? 1 : -1;
-            })
-            .get(0);
-
-        if (!result) {
-            return undefined;
-        } else {
-            return result.version;
-        }
-    });
-}
-
+var resolveVersion = require('./resolveVersion');
 
 /**
     Install a plugin for a book