state_adjacency.js

const states = ["AK","AL","AR","AZ","CA","CO","CT","DC","DE","FL","GA","HI","IA","ID","IL","IN","KS","KY","LA","MA","MD","ME","MI","MN","MO","MS","MT","NC","ND","NE","NH","NJ","NM","NV","NY","OH","OK","OR","PA","RI","SC","SD","TN","TX","UT","VA","VT","WA","WI","WV","WY"];

const state_adjacency = [

  [],
  [25, 42, 10, 09],
  [24, 42, 25, 18, 43, 36],
  [04, 33, 44, 05, 32],
  [37, 33, 03],
  [50, 29, 16, 36, 32, 03, 44],
  [34, 19, 39],
  [20, 45],
  [20, 38, 31],
  [01, 10],
  [09, 01, 42, 27, 40],
  [],
  [23, 48, 14, 24, 29, 41],
  [26, 50, 44, 33, 37, 47],
  [15, 17, 24, 12, 48],
  [22, 35, 17, 14],
  [29, 24, 36, 05],
  [15, 35, 49, 45, 42, 24, 14],
  [43, 02, 25],
  [39, 06, 34, 30, 46],
  [45, 49, 38, 07, 08],
  [30],
  [48, 15, 35],
  [48, 12, 41, 28],
  [12, 14, 17, 42, 02, 36, 16, 29],
  [18, 02, 42, 01],
  [28, 41, 50, 13],
  [45, 42, 10, 40],
  [23, 41, 26],
  [41, 12, 24, 16, 05, 50],
  [46, 21, 19],
  [08, 38, 34],
  [03, 44, 05, 36, 43],
  [13, 44, 03, 04, 37],
  [31, 38, 46, 19, 06],
  [38, 49, 17, 15, 22],
  [16, 24, 02, 43, 32, 05],
  [04, 33, 13, 47],
  [34, 31, 08, 20, 49, 35],
  [06, 19],
  [10, 27],
  [28, 23, 12, 29, 50, 26],
  [17, 45, 27, 10, 01, 25, 02, 24],
  [32, 36, 02, 18],
  [13, 50, 05, 32, 03, 33],
  [27, 42, 17, 49, 20, 07],
  [34, 30, 19],
  [13, 37],
  [22, 23, 12, 14],
  [35, 38, 20, 45, 17],
  [26, 41, 29, 05, 44, 13]

];

const state_adjacency_obj = {};
states.map( (state,i) => state_adjacency_obj[state] = state_adjacency[i].map(idx => states[idx]) );

export { states, state_adjacency, state_adjacency_obj };