harn-stdlib 0.7.58

Embedded Harn standard library source catalog
Documentation 
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// std/collections — Collection utilities.
// Remove entries from a dict where the value is nil, empty string, or "null" string.
/** filter_nil. */
pub fn filter_nil(d) {
  return d
    .filter(
    { v ->
      if v == nil {
        return false
      }
      if v == "" {
        return false
      }
      if v == "null" {
        return false
      }
      return true
    },
  )
}

// Check if a store key is stale (older than max_age_seconds).
// Uses store_get/store_set convention: timestamps stored as key + "_ts".
/** store_stale. */
pub fn store_stale(key, max_age_seconds) {
  let ts = store_get(key + "_ts")
  if ts == nil {
    return true
  }
  return timestamp() - ts > max_age_seconds
}

// Refresh a store key's timestamp to now.
/** store_refresh. */
pub fn store_refresh(key) {
  store_set(key + "_ts", timestamp())
}