Add command "install" to install plugins from book.json

1 files changed, 26 insertions, 0 deletions

diff --git a/lib/generate/plugin.js b/lib/generate/plugin.js
index 9d740a5..373af14 100644
--- a/lib/generate/plugin.js
+++ b/lib/generate/plugin.js
@@ -4,6 +4,7 @@ var semver = require("semver");
 var path = require("path");
 var url = require("url");
 var fs = require("./fs");
+var npmi = require('npmi');
 var resolve = require('resolve');
 
 var pkg = require("../../package.json");
@@ -152,6 +153,31 @@ Plugin.prototype.copyAssets = function(out, options) {
 };
 
 
+// Install a list of plugin
+Plugin.install = function(options) {
+    // Normalize list of plugins
+    var plugins = Plugin.normalizeNames(options.plugins);
+
+    // Remove defaults plugins
+    plugins = _.without.apply(null, [plugins].concat(Plugin.defaults));
+
+    return _.reduce(plugins, function(prev, name) {
+        return prev.then(function() {
+            var fullname = "gitbook-plugin-"+name;
+            console.log("Install plugin", name, "from npm ("+fullname+")");
+            return Q.nfcall(npmi, {
+                'name': fullname,
+                'path': options.input,
+                'npmLoad': {
+                    'loglevel': 'silent',
+                    'loaded': false,
+                    'prefix': options.input
+                }
+            });
+        });
+    }, Q());
+};
+
 // Normalize a list of plugin name to use
 Plugin.normalizeNames = function(names) {
     // Normalize list to an array