harn-modules 0.7.29

Cross-file module graph and import resolution utilities for Harn
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())
}