Merge pull request #1543 from GitbookIO/dream

React for rendering website with plugins

1 files changed, 44 insertions, 0 deletions

diff --git a/packages/gitbook/src/plugins/installPlugin.js b/packages/gitbook/src/plugins/installPlugin.js
new file mode 100644
index 0000000..9834d05
--- /dev/null
+++ b/packages/gitbook/src/plugins/installPlugin.js
@@ -0,0 +1,44 @@
+const resolve = require('resolve');
+
+const { exec } = require('../utils/command');
+const resolveVersion = require('./resolveVersion');
+
+/**
+ * Install a plugin for a book
+ *
+ * @param {Book} book
+ * @param {PluginDependency} plugin
+ * @return {Promise}
+ */
+function installPlugin(book, plugin) {
+    const logger = book.getLogger();
+
+    const installFolder = book.getRoot();
+    const name = plugin.getName();
+    const requirement = plugin.getVersion();
+
+    logger.info.ln('');
+    logger.info.ln('installing plugin "' + name + '"');
+
+    const installerBin = resolve.sync('ied/lib/cmd.js');
+
+    // Find a version to install
+    return resolveVersion(plugin)
+    .then(function(version) {
+        if (!version) {
+            throw new Error('Found no satisfactory version for plugin "' + name + '" with requirement "' + requirement + '"');
+        }
+
+        logger.info.ln('install plugin "' + name + '" (' + requirement + ') with version', version);
+
+        const npmID = plugin.getNpmID();
+        const command = `${installerBin} install ${npmID}@${version}`;
+
+        return exec(command, { cwd: installFolder });
+    })
+    .then(function() {
+        logger.info.ok('plugin "' + name + '" installed with success');
+    });
+}
+
+module.exports = installPlugin;