1 files changed, 51 insertions, 0 deletions
diff --git a/lib/parse/parseConfig.js b/lib/parse/parseConfig.js
new file mode 100644
index 0000000..5200de2
--- /dev/null
+++ b/lib/parse/parseConfig.js
@@ -0,0 +1,51 @@
+var Promise = require('../utils/promise');
+var Config = require('../models/config');
+
+var File = require('../models/file');
+var validateConfig = require('./validateConfig');
+var CONFIG_FILES = require('../constants/configFiles');
+
+/**
+    Parse configuration from "book.json" or "book.js"
+
+    @param {Book} book
+    @return {Promise<Book>}
+*/
+function parseConfig(book) {
+    var fs = book.getFS();
+
+    return Promise.some(CONFIG_FILES, function(filename) {
+        // Is this file ignored?
+        if (book.isFileIgnored(filename)) {
+            return;
+        }
+
+        // Try loading it
+        return Promise.all([
+            fs.loadAsObject(filename),
+            fs.statFile(filename)
+        ])
+        .spread(function(cfg, file) {
+            return {
+                file: file,
+                values: cfg
+            };
+        })
+        .fail(function(err) {
+            if (err.code != 'MODULE_NOT_FOUND') throw(err);
+            else return Promise(false);
+        });
+    })
+
+    .then(function(result) {
+        var file = result? result.file : File();
+        var values = result? result.values : {};
+
+        values = validateConfig(values);
+
+        var config = Config.create(file, values);
+        return book.set('config', config);
+    });
+}
+
+module.exports = parseConfig;