Fix #169: fix resolve of external plugins

lib/generate/generator.js

@@ -19,7 +19,7 @@ BaseGenerator.prototype.callHook = function(name) {
 BaseGenerator.prototype.loadPlugins = function() {
     var that = this;
 
-    return Plugin.fromList(this.options.plugins)
+    return Plugin.fromList(this.options.plugins, this.options.input)
     .then(function(_plugins) {
         that.plugins = _plugins;
 

lib/generate/plugin.js

@@ -4,13 +4,15 @@ var semver = require("semver");
 var path = require("path");
 var url = require("url");
 var fs = require("./fs");
+var resolve = require('resolve');
 
 var pkg = require("../../package.json");
 
 var  RESOURCES = ["js", "css"];
 
-var Plugin = function(name) {
+var Plugin = function(name, root) {
     this.name = name;
+    this.root = root;
     this.packageInfos = {};
     this.infos = {};
 
@@ -20,16 +22,21 @@ var Plugin = function(name) {
         "gitbook-"+name,
         name,
     ], function(_name) {
-        if (this.load(_name)) return false;
-    }.bind(this));
+        if (this.load(_name, __dirname)) return false;
+        if (this.load(_name, path.resolve(root))) return false;
+    }, this);
 };
 
 // Load from a name
-Plugin.prototype.load = function(name) {
+Plugin.prototype.load = function(name, baseDir) {
     try {
-        this.packageInfos = require(name+"/package.json");
-        this.infos = require(name);
+        var res = resolve.sync(name+"/package.json", { basedir: baseDir });
+
+        this.baseDir = path.dirname(res);
+        this.packageInfos = require(res);
+        this.infos = require(resolve.sync(name, { basedir: baseDir }));
         this.name = name;
+        
         return true;
     } catch (e) {
         return false;
@@ -63,7 +70,7 @@ Plugin.prototype.isValid = function() {
 
 // Resolve file path
 Plugin.prototype.resolveFile = function(filename) {
-    return path.resolve(path.dirname(require.resolve(this.name)), filename);
+    return path.resolve(this.baseDir, filename);
 };
 
 // Resolve file path
@@ -121,12 +128,12 @@ Plugin.normalizeNames = function(names) {
 };
 
 // Extract data from a list of plugin
-Plugin.fromList = function(names) {
+Plugin.fromList = function(names, root) {
     var failed = [];
 
     // Load plugins
     var plugins = _.map(names, function(name) {
-        var plugin = new Plugin(name);
+        var plugin = new Plugin(name, root);
         if (!plugin.isValid()) failed.push(name);
         return plugin;
     });

package.json

@@ -19,6 +19,7 @@
         "tmp": "0.0.23",
         "semver": "2.2.1",
         "gaze": "0.6.4",
+        "resolve": "0.6.3",
 
         "gitbook-plugin": "0.0.2",
         "gitbook-plugin-mixpanel": "0.0.2",