This is the complete sort, filter, and search code.

completeFilterFunction.js

computed: {
  filteredRecipes() {
    let tempRecipes = this.recipes
    
    if (this.searchValue != '' && this.searchValue) {
        tempRecipes = tempRecipes.filter((item) => {
          return item.title
            .toUpperCase()
            .includes(this.searchValue.toUpperCase())
        })
      }
      
      if (this.maxCookingTime)
      tempRecipes = tempRecipes.filter((item) => {
        return (item.cookingTime <= this.maxCookingTime)
      })
           
        tempRecipes = tempRecipes.sort((a, b) => {
            if (this.sortBy == 'alphabetically') {
                let fa = a.title.toLowerCase(), fb = b.title.toLowerCase()
          
              if (fa < fb) {
                return -1
              }
              if (fa > fb) {
                return 1 
              }
              return 0
            } else if (this.sortBy == 'cookingTime') {
              return a.cookingTime - b.cookingTime
        }
        })
        
        if (!this.ascending) {
        	tempRecipes.reverse()
        }
        
        return tempRecipes
  }
}