new code snippets

Code Snippets/at_midnight.json

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+{
+  "type": "SCRIPT",
+  "name": "At Midnight",
+  "debugSettings": {
+    "failuresEnabled": true,
+    "allEnabled": false,
+    "allEnabledUntil": 1759268749155
+  },
+  "configurationVersion": 0,
+  "configuration": {
+    "type": "SCRIPT",
+    "arguments": {
+      "week_volume": {
+        "refEntityKey": {
+          "key": "week_volume",
+          "type": "TS_ROLLING"
+        },
+        "limit": 202,
+        "timeWindow": 86400000
+      }
+    },
+    "expression": "var MS_IN_DAY = 24 * 60 * 60 * 1000;\n\nfunction mostRecentMidnight(referenceTs, offsetMinutes) {\n    // “Floor” to midnight:\n    var offsetMs = offsetMinutes * 60 * 1000;\n    var localTs = referenceTs + offsetMs;\n    var localMidnight = Math.floor(localTs / MS_IN_DAY) * MS_IN_DAY;\n    return localMidnight - offsetMs;\n}\nfunction findValueAtMidnight(midnightTs){\n    foreach (v : week_volume) { \n        if (v.ts === midnightTs){\n            return v.value;\n        }\n    }\n}\nvar tzOffset = -5 * 60;\nvar midnightTs = mostRecentMidnight(week_volume.timeWindow.endTs, tzOffset); // or timeWindow.endTs\nvar valueAtMidnight = findValueAtMidnight(midnightTs);\n\nreturn {\n    \"week_volume_at_midnight\": valueAtMidnight\n};",
+    "output": {
+      "name": "",
+      "type": "TIME_SERIES",
+      "decimalsByDefault": 2
+    }
+  }
+}