Add dependencies before template compilation

src/loader.js

@@ -49,26 +49,30 @@ function compile(source, {
 }
 
 export default function festLoader(source) {
-    const options = getOptions(this);
+    const callback = this.async();
 
-    validateOptions(schema, options || {}, {
-        name: 'Fest Loader',
-        baseDataPath: 'options'
-    });
+    let options;
+    try {
+        options = getOptions(this);
+        validateOptions(schema, options || {}, {
+            name: 'Fest Loader',
+            baseDataPath: 'options'
+        });
+    } catch (e) {
+        callback(e);
 
-    const promise = new Promise(compile(source, {
-        ...options,
-        resourcePath: this.resourcePath
-    }));
+        return;
+    }
 
-    const callback = this.async();
-    Promise.all([
-        // Tracking dependencies is optional feature, that could fail
-        getDependencies(this.resourcePath, source).catch(() => []),
-        promise
-    ]).then(([deps, compiled]) => {
+    // Tracking dependencies is optional feature, that could fail
+    getDependencies(this.resourcePath, source).catch(() => []).then((deps) => {
         deps.forEach((dep) => this.addDependency(dep));
-
+    }).then(() => (
+        new Promise(compile(source, {
+            ...options,
+            resourcePath: this.resourcePath
+        }))
+    )).then(function(compiled) {
         callback(null, compiled);
     }).catch(function(exception) {
         callback(exception, '');