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tools.js
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tools.js
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const max_it = 5000;
module.exports = {
get_order: function(pairs_ref){
var res = try_get_order(pairs_ref);
while(res.length==0){
res = try_get_order(pairs_ref)
}
return res;
}
}
function try_get_order(pairs_ref){
var items = Array.from({length: pairs_ref.length}, (_, i) => i);
var last = [];
var res = [];
var k = 0;
for(var i=0; i<items.length; i++){
if(i == 0){
x = randomInteger(0, items.length-1);
res[i] = items[x];
}
else{
do{
x = randomInteger(0, items.length-1);
res[i] = items[x];
k++;
}while((last.includes(pairs_ref[id=res[i]].ref_A) || last.includes(pairs_ref[id=res[i]].ref_B)) && k < max_it);
}
if(k>max_it)
return [];
items.splice(x, 1);
lastObject = pairs_ref[id=res[i]];
last = [];
last.push(lastObject['ref_A']);
last.push(lastObject['ref_B']);
}
return res;
}
function randomInteger(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}