feat: operator view (#440)

* feat: operator view

* chore: smoke test operator

* refactor: small improvements from deepsource

---------

Co-authored-by: arihanv <arihanvaranasi@gmail.com>
Co-authored-by: arihanv <63890951+arihanv@users.noreply.github.com>

packages/utils/src/cue-utils/cueUtils.ts

@@ -3,14 +3,18 @@ import { isOntimeEvent, OntimeEvent, OntimeRundown, OntimeRundownEntry } from 'o
 import { getFirstEvent, getNextEvent, getPreviousEvent } from '../rundown-utils/rundownUtils.js';
 import { isNumeric } from '../types/types.js';
 
+// Zero or more non-digit characters at the beginning ((\D*)).
+// One or more digits ((\d+)).
+// Optionally, a decimal part starting with a dot ((\.\d+)?).
+const regex = /^(\D*)(\d+)(\.\d+)?$/;
+
 /**
  * Finds if last characters in input are a number and increments
  * @param input {string}
  */
 export function getIncrement(input: string): string {
   // Check if the input string contains a number at the end
-  const match = input?.match(/^(\D*)(\d+)(\.\d+)?$/);
-
+  const match = regex.exec(input);
   if (match) {
     // If a number is found, extract the non-numeric prefix, integer part, and decimal part
     let [, prefix, integerPart, decimalPart] = match;

packages/utils/src/rundown-utils/rundownUtils.ts

@@ -26,6 +26,21 @@ export function getFirstEvent(rundown: OntimeRundownEntry[]) {
   return null;
 }
 
+export function getLastEvent(rundown: OntimeRundown): OntimeEvent | null {
+  if (rundown.length < 1) {
+    return null;
+  }
+
+  for (let i = rundown.length - 1; i > 0; i--) {
+    const event = rundown.at(i);
+    if (isOntimeEvent(event)) {
+      return event;
+    }
+  }
+
+  return null;
+}
+
 /**
  * Gets next event in rundown, if it exists
  * @param {OntimeRundownEntry[]} rundown