flatten-array.json

{
   "cases": [
      {
         "description": "flattens array with just integers present",
         "input": [1,[2,3,4,5,6,7],8],
         "expected": [1,2,3,4,5,6,7,8]
      },
      {
         "description": "5 level nesting",
         "input": [0, 2, [[2, 3], 8, 100, 4,[[[50]]]], -2],
         "expected":[0, 2, 2, 3, 8, 100, 4, 50, -2]
      },
      {
         "description": "6 level nesting",
         "input": [1,[2,[[3]],[4,[[5]]],6,7],8],
         "expected":[1,2,3,4,5,6,7,8]
      },
      {
         "description": "6 level nest list with null values",
         "input": [0, 2, [[2, 3], 8, [[100]], null, [[null]]], -2],
         "expected":[0,2,2,3,8,100,-2]
      },
      {
         "description": "all values in nested list are null",
         "input": [null,[[[null]]],null,null,[[null,null],null],null],
         "expected":[]
      }
   ]
}