Take an array of objects, and return an object containing those objects, indexable by a property.

getObjFromArrayByID.js

const input = [
  {
    "id": "b297ed8f-ad81-5988-a08e-b4ec51428981",
    "questionBody": "What generations are you primarily serving?",
    "questionAnswers": [
      "Gen Z (1997-on)",
      "Millennials (1981-1997)",
      "Gen X (1965-1980)",
      "Boomers (1946-1964)"
    ],
    "isMultipleChoice": true
  },
  {
    "id": "3de3a29d-e7a5-5117-a2fe-a619d73496db",
    "questionBody": "How many fry varieties do you offer on your menu?",
    "questionAnswers": [
      "1",
      "2",
      "3",
      "4+"
    ],
    "isMultipleChoice": false
  },
  {
    "id": "f4b4ffc1-af00-56e8-9435-110cc91e370b",
    "questionBody": "How do you serve fries on your menu?",
    "questionAnswers": [
      "Side",
      "Shareable",
      "Snack",
      "Appetizer",
      "Entree",
      "Other",
      "None of the above"
    ],
    "isMultipleChoice": true
  },
  {
    "id": "c08ef3ce-7622-503f-8afd-914ce963f1d8",
    "questionBody": "How often do you update your menu?",
    "questionAnswers": [
      "Daily",
      "Weekly",
      "Monthly",
      "Yearly",
      "Never"
    ],
    "isMultipleChoice": false
  }
]

const tagged = questions.reduce((acc, curr) => {
  return {...acc, ...{[curr.id]: curr}}
}, {})

// now, we can things like this:
const myObjID = input[0].id
return tagged[myObjID]