Function collectIssues

packages/scripts/lib/commit-graph.ts:487–495

(prs: WithClosingIssues[])

// Deduplicate (and sort asc) the closing issue numbers across all PRs.
// (a single issue can be closed by more than one PR across the range)
export function collectIssues(prs: WithClosingIssues[]): number[] {
  const numbers = new Set<number>()
  for (const pr of prs) {
    for (const { node } of pr.closingIssuesReferences.edges) {
      numbers.add(node.number)
    }
  }
  return Array.from(numbers).sort((a, b) => a - b)
}

// The candidate numbers to probe as discussions: a target reference is one only if
// GitHub didn't already resolve it as a closing issue (those are handled directly)