Function patternNumerics

packages/app-core/src/lib/vault-layout.ts:960–974

* Numerics a note's directory + title expose, used only to bound the set of * candidate dates we round-trip. Tokens we cannot reverse cheaply (localized * month/weekday names) contribute nothing here — the round-trip below verifies * them instead, so the locale never has to be parsed backwards.

(
  pattern: DateNotePatternSettings,
  subpath: string,
  title: string,
  defaultTitlePattern: string
)

 * them instead, so the locale never has to be parsed backwards.
 */
function patternNumerics(
  pattern: DateNotePatternSettings,
  subpath: string,
  title: string,
  defaultTitlePattern: string
): DateNotePatternMatch | null {
  const directoryMatch = matchDirectoryPattern(pattern.directory, subpath)
  const titleMatch = matchDateNotePattern(pattern.titlePattern ?? defaultTitlePattern, title)
  if (!directoryMatch || !titleMatch) return null
  const merged: DateNotePatternMatch = {}
  if (!mergePatternMatch(merged, directoryMatch) || !mergePatternMatch(merged, titleMatch)) {
    return null
  }
  return merged
}

/**
 * Every calendar day consistent with the extracted numerics. A day-of-month