collapsible true

Author: h-mayorquin

apps/probe-viewer/src/grouping/README.md

@@ -20,11 +20,11 @@ order) at the leaves.
 
 `collapsible` is a per-node property that **propagates to descendants**: a node
 uses its own `collapsible` when set, otherwise it inherits the resolved value of
-its parent, and the top-level default is `true`. So each platform sets
-`collapsible: true` and that flows down to its families, while each length band
-sets `collapsible: false` (a static, always-open divider) and that flows down to
-its probes. `true` is a foldable header with a caret; `false` is a static
-divider.
+its parent, and the top-level default is `true`. So only the exceptions need
+stating: the length bands set `collapsible: false` (a static, always-open
+divider) and that flows down to their probes, while everything else omits it and
+inherits the default. `true` is a foldable header with a caret; `false` is a
+static divider.
 
 The walker (`groupEntries.ts`) attaches each manifest entry to the node listing
 its model, prunes empty branches, and collects anything not placed into a

apps/probe-viewer/src/grouping/imec_neuropixels.json

@@ -1,6 +1,6 @@
 {
   "hierarchy": [
-    { "label": "Neuropixels 1.0", "collapsible": true,
+    { "label": "Neuropixels 1.0",
       "children": [
         { "label": "Standard", "probes": ["NP1000", "NP1001"] },
         { "label": "Non-human-primate",
@@ -14,7 +14,7 @@
         { "label": "Optogenetics", "probes": ["NP1300"] },
         { "label": "Legacy", "probes": ["PRB_1_2_0480_2", "PRB_1_4_0480_1", "PRB_1_4_0480_1_C"] }
       ] },
-    { "label": "Neuropixels 2.0", "collapsible": true,
+    { "label": "Neuropixels 2.0",
       "children": [
         { "label": "Non-human-primate",
           "children": [
@@ -24,7 +24,7 @@
         { "label": "Multi-shank", "probes": ["NP2010", "NP2013", "NP2014", "NP2020", "NP2021"] },
         { "label": "Legacy", "probes": ["PRB2_1_2_0640_0", "PRB2_4_2_0640_0"] }
       ] },
-    { "label": "Neuropixels NXT", "collapsible": true,
+    { "label": "Neuropixels NXT",
       "children": [
         { "label": "Single-shank", "probes": ["NP3010", "NP3011"] },
         { "label": "Multi-shank", "probes": ["NP3020", "NP3021", "NP3022", "NP3023", "NP3024"] },

apps/probe-viewer/src/grouping/types.ts

@@ -7,10 +7,9 @@ import type { ManifestEntry } from "../types/probe";
 //
 // Collapsibility is a per-node property that propagates to descendants: a node
 // uses its own `collapsible` when set, otherwise it inherits the resolved value
-// of its parent. The top-level default is `true`. So a platform marked
-// collapsible flows that down to its families, and a length band marked
-// non-collapsible flows that down to its probes, without either having to be
-// repeated on every node.
+// of its parent, and the top-level default is `true`. So only the exceptions
+// need stating: the length bands set `collapsible: false`, which flows down to
+// their probes, while everything else inherits the default and stays foldable.
 
 export interface HierarchyNode {
   label: string;