26 lines
894 B
JavaScript
26 lines
894 B
JavaScript
module.exports = {
|
|
returnShortId: function (result, longId) {
|
|
let claimIndex;
|
|
let shortId = longId.substring(0, 1); // default sort id is the first letter
|
|
let shortIdLength = 0;
|
|
// find the index of this claim id
|
|
claimIndex = result.findIndex(element => {
|
|
return element.claimId === longId;
|
|
});
|
|
if (claimIndex < 0) {
|
|
throw new Error('claim id not found in claims list');
|
|
}
|
|
// get an array of all claims with lower height
|
|
let possibleMatches = result.slice(0, claimIndex);
|
|
// remove certificates with the same prefixes until none are left.
|
|
while (possibleMatches.length > 0) {
|
|
shortIdLength += 1;
|
|
shortId = longId.substring(0, shortIdLength);
|
|
possibleMatches = possibleMatches.filter(element => {
|
|
return (element.claimId.substring(0, shortIdLength) === shortId);
|
|
});
|
|
}
|
|
return shortId;
|
|
},
|
|
};
|