| import type { | |
| SessionFormatEvent, | |
| SessionFormatEventRun, | |
| SessionFormatMigrationContext, | |
| } from './types.ts' | |
| /** Migration output context that expands compact runs into retained events. */ | |
| export class SessionFormatEventCollector implements SessionFormatMigrationContext { | |
| /** Events retained by this collector in source order. */ | |
| readonly values: SessionFormatEvent[] = [] | |
| /** | |
| * Retain one settled event. | |
| * @param event - settled event emitted by the upstream stage. | |
| */ | |
| emitEvent(event: SessionFormatEvent): void { | |
| this.values.push(event) | |
| } | |
| /** | |
| * Expand one compact run directly into retained events. | |
| * @param run - compact event run emitted by the upstream stage. | |
| */ | |
| emitRun(run: SessionFormatEventRun): void { | |
| for (const event of run.expand()) this.values.push(event) | |
| } | |
| } | |