Add a few commentsHEADmain

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/factories/ui.js b/lib/factories/ui.js
index cc34579..167c618 100644
--- a/lib/factories/ui.js
+++ b/lib/factories/ui.js
@@ -1,3 +1,10 @@
+/**
+  * This file is a factory for DOM UI elements.
+  */
+
+/**
+  * Returns a settings container that includes a section and a heading.
+  */
 export function settingsContainer({id, label, level=2}) {
 
   const container = document.createElement('section');
@@ -6,6 +13,11 @@ export function settingsContainer({id, label, level=2}) {
   return container;
 };
 
+/**
+  * Returns a slider that includes a label, and can optionally be set to
+  * "shift" to a different step. (eg. we use this for π mode, where frequency
+  * and amplitude are mapped to π/8 increments.
+  */
 export function slider({
   id,
   min,