Function envPositiveInt

src/config.js:21–39

(key, fallback)

// is not silently running a broken setup.
const _envPositiveIntWarned = new Set();
function envPositiveInt(key, fallback) {
  const v = process.env[key];
  if (v === undefined || v === '') return fallback;
  const n = parseInt(v, 10);
  const valid = Number.isFinite(n) && n > 0 && n < 2 ** 31;
  if (!valid) {
    if (!_envPositiveIntWarned.has(key)) {
      _envPositiveIntWarned.add(key);
      try {
        console.warn(
          '[config] ' + key + '=' + JSON.stringify(v) + ' is not a positive integer; ' +
          'falling back to ' + fallback + '. Set a value in (0, 2^31) ms.'
        );
      } catch (_) {}
    }
    return fallback;
  }
  return n;
}

function envFloat(key, fallback) {
  const v = process.env[key];