Highlimit Restart Count created by Blinkfaster - https://repl.it/@Blinkfaster/Highlimit-Restart-Count

index.js

let temperatures = [9,null,10,null,null,68,null,70.1, null, null, 72, 80,null, 69, null,78,null, 84,100,300,50, null, 70, null, 90, null, null, null, 50,null,100,null,null,85]



//if it is below the setpoint we can assume the ecobee would have called for heat. 

// Heat call or if set temp goes under set point. 

let furnace = true
let formattedTemps = []
let restarts = 0
let setPoint = 70 // later on iterate and set it to the same temp in the column

// nullcounts = true , when we hit a restart null counts = false , it is setup this way so that way multiple null values are only counted once.
const formatData = (Array) => {
  let nullCounts = true
  for (let temperature of temperatures) {
    if (temperature === null && nullCounts === true) {
      restarts +=1
      nullCounts = false
      formattedTemps.push('restart')

    } else if (temperature !== null ){
      nullCounts = true
      formattedTemps.push(temperature) // Stricter condition has to be created here.
    }
  }
}

formatData(temperatures)



const highLimitSwitch = (formattedTemps,setpoint) => {
  let highLimitRestarts = 0
  // had to break down formattedTemps into its individual entries and break it down by index and datatype (operation) to get the iterators beside the string
  for (const [index, operation] of formattedTemps.entries()) {
      const previousValue = formattedTemps[index - 1];
      const nextValue = formattedTemps[index + 1];
      // break down type of operation (line 34)
      // if temperature is lower than the setpoints || heat stage one (sec) has a number value greater than 0|| heat stage one on in reports = heat stage 1 = true.
      if (typeof previousValue === "number" && typeof operation === "string" && typeof nextValue === "number") {
       if (nextValue > previousValue ) {
         console.log(` Before Restart ${previousValue} After restart: ${nextValue} `)
         highLimitRestarts += 1
       }
       
       // could add a typeof statement (if !previousValue (of if null/undefined) && typeof operation === "string" && typeof nextValue === "number")
          }
      }
console.log(`Total High Limit Count: ${highLimitRestarts}`)
}

if (furnace === true) {
  highLimitSwitch(formattedTemps)
}

console.log(`Total Restart Count: ${restarts}`)

// const heatstage1Check = (temperatures,setPoint) = {
//   if heatstage1 = true {
//     // run high limit func heat pumps can also overheat. (rename function in reference to overheating vs high limits)
//   }
// }

The first version of the high limit restart function.