versions.ts

function parseSemanticVersion(versionString): [number, number, number] {
  return versionString
    .replace('v', '')
    .split('.')
    .map(n => parseInt(n));
}

export function cmpSemanticVersion(
  versionStringA: string,
  versionStringB: string,
): number {
  let x = parseSemanticVersion(versionStringA);
  let y = parseSemanticVersion(versionStringB);

  return x[0] - y[0] || x[1] - y[1] || x[2] - y[2];
}

export async function getLatestVersion(): Promise<string> {
  let response = await fetch(
    'https://api.github.com/repos/actualbudget/actual/tags',
  );
  let json = await response.json();
  let tags = json.map(t => t.name).concat([`v${window.Actual.ACTUAL_VERSION}`]);
  tags.sort(cmpSemanticVersion);

  return tags[tags.length - 1];
}

export async function getIsOutdated(latestVersion: string): Promise<boolean> {
  let clientVersion = window.Actual.ACTUAL_VERSION;
  return cmpSemanticVersion(clientVersion, latestVersion) < 0;
}