Given Facebook Insights Reactions/Comments/Shares State, return an object with their sums

getFacebookStats.js

// This function simplifies totalling up Reactions, Comments, and Shares in Facebook Insights
// To get the Reactions/Comments/Shares state, you must have the React Developer Tools Extension

// 1. Navigate to Page Insights > Reach
// 2. Set the date range at the top right of the view to the target range
// 3. Inspect the "Reactions, Comments, Shares and More" chart
// 4. In the React Components tool, navigate to c [from HubbleAreaLineChart] within HubbleChart
// 5. In the props, right click on "lines" and "Copy value to clipboard"
// The state of Reactions/Comments/Shares is now a nested array within your clipboard

// Call this function with getFacebookStats(), in which you paste into the parenthesis

function getFacebookStats (stats) {
  const totals = []

  for (const stat of stats) {
    totals.push(stat.reduce((sum, number) => sum + number, 0))
  }
  
  const [reactions, comments, shares, others] = totals
  return {reactions, comments, shares, others}
}

// Example Usage:

getFacebookStats([[90,778,1188,322,112,294,174,194,326,219,156,722,256,174,303,188,302,196,367,929,907,258,537,220,52,370,163,30,124,196],[11,101,339,90,25,38,19,31,26,27,22,140,44,26,47,38,103,47,105,222,248,66,115,89,4,67,33,6,6,93],[21,70,57,47,16,20,13,60,75,24,21,107,24,19,39,32,27,41,79,176,139,34,74,33,11,57,15,1,21,13],[4,8,6,9,4,3,4,7,9,8,9,5,7,4,7,8,6,7,12,7,5,2,3,3,0,5,5,7,6,16]])
// {
//   reactions: 10147,
//   comments: 2228,
//   shares: 1366,
//   others: 186,
// }