first pass at a daily scheduler

src/blocks/all.js

@@ -4,6 +4,7 @@ import trigger_reactive from './custom/trigger_reactive.js'
 import trigger_timer from './custom/trigger_timer.js'
 import trigger_schedule from './custom/trigger_schedule.js'
 import schedule_hourly from './custom/schedule_hourly.js'
+import schedule_daily from './custom/schedule_daily.js'
 import selector_comparison from './custom/selector_comparison.js'
 import action_publish_to_feed from './custom/action_publish_to_feed.js'
 import action_send_email from './custom/action_send_email.js'
@@ -44,6 +45,7 @@ export default {
 
   //  Schedules
   schedule_hourly,
+  schedule_daily,
 
   // Values
   math_number,

src/blocks/custom/schedule_daily.js

@@ -0,0 +1,53 @@
+import { map, range } from 'lodash-es'
+
+
+export default {
+  type: "schedule_daily",
+
+  toolbox: {
+    category: 'Schedules',
+  },
+
+  visualization: {
+    colour: 232,
+  },
+
+  connections: {
+    mode: "value",
+    output: "schedule"
+  },
+
+  lines: [
+    [ "Daily", "LEFT" ],
+
+    [ "...at hour:", {
+      field: "AT_HOUR",
+      options: map(range(1, 13), hour => ([ hour.toString(), (hour%12).toString() ]))
+    }],
+
+    [ "...at minute:", {
+      field: "AT_MINUTE",
+      options: map(map(range(60), String), idx => ([ idx, idx ]))
+    }],
+
+    [ "", {
+      field: "AM_PM",
+      options: [
+        ["AM", "am"],
+        ["PM", "pm"],
+      ]
+    }]
+  ],
+
+  generators: {
+    json: block => {
+      const
+        isPm = block.getFieldValue('AM_PM') === "pm",
+        atHour = parseInt(block.getFieldValue('AT_HOUR'), 10) + (isPm ? 12 : 0),
+        atMinute = parseInt(block.getFieldValue('AT_MINUTE'), 10),
+        crontab = `${atMinute} ${atHour} * * *`
+
+      return [ crontab , 0 ]
+    }
+  }
+}