fix tests, integrate depenentless sorting into toposort for easier testing and

better guarantees

1 files changed, 11 insertions, 11 deletions

diff --git a/src/services/theme_data/theme_data.service.js b/src/services/theme_data/theme_data.service.js
index 36837b44..63bfb5af 100644
--- a/src/services/theme_data/theme_data.service.js
+++ b/src/services/theme_data/theme_data.service.js
@@ -540,7 +540,7 @@ const getDependencies = (key, inheritance) => {
  * @property {Function} getDeps - function that returns dependencies for
  *   given value and inheritance object.
  * @returns {String[]} keys of inheritance object, sorted in topological
- *   order
+ *   order. Additionally, dependency-less nodes will always be first in line
  */
 export const topoSort = (
   inheritance = SLOT_INHERITANCE,
@@ -579,7 +579,14 @@ export const topoSort = (
   while (unprocessed.length > 0) {
     step(unprocessed.pop())
   }
-  return output
+  return output.sort((a, b) => {
+    const depsA = getDeps(a, inheritance).length
+    const depsB = getDeps(b, inheritance).length
+
+    if (depsA === depsB || (depsB !== 0 && depsA !== 0)) return 0
+    if (depsA === 0 && depsB !== 0) return -1
+    if (depsB === 0 && depsA !== 0) return 1
+  })
 }
 
 /**
@@ -657,20 +664,13 @@ export const getLayerSlot = (
 }
 
 /**
- * topologically sorted SLOT_INHERITANCE + additional priority sort
+ * topologically sorted SLOT_INHERITANCE
  */
 export const SLOT_ORDERED = topoSort(
   Object.entries(SLOT_INHERITANCE)
     .sort(([aK, aV], [bK, bV]) => ((aV && aV.priority) || 0) - ((bV && bV.priority) || 0))
     .reduce((acc, [k, v]) => ({ ...acc, [k]: v }), {})
-).sort((a, b) => {
-  const depsA = getDependencies(a, SLOT_INHERITANCE).length
-  const depsB = getDependencies(b, SLOT_INHERITANCE).length
-
-  if (depsA === depsB || (depsB !== 0 && depsA !== 0)) return 0
-  if (depsA === 0 && depsB !== 0) return -1
-  if (depsB === 0 && depsA !== 0) return 1
-})
+)
 
 /**
  * Dictionary where keys are color slots and values are opacity associated