Function defer

packages/compiler/src/template/pipeline/src/instruction.ts:302–338

(
  selfSlot: number,
  primarySlot: number,
  dependencyResolverFn: o.Expression | null,
  loadingSlot: number | null,
  placeholderSlot: number | null,
  errorSlot: number | null,
  loadingConfig: o.Expression | null,
  placeholderConfig: o.Expression | null,
  enableTimerScheduling: boolean,
  sourceSpan: ParseSourceSpan | null,
  flags: ir.TDeferDetailsFlags | null,
)

}

export function defer(
  selfSlot: number,
  primarySlot: number,
  dependencyResolverFn: o.Expression | null,
  loadingSlot: number | null,
  placeholderSlot: number | null,
  errorSlot: number | null,
  loadingConfig: o.Expression | null,
  placeholderConfig: o.Expression | null,
  enableTimerScheduling: boolean,
  sourceSpan: ParseSourceSpan | null,
  flags: ir.TDeferDetailsFlags | null,
): ir.CreateOp {
  const args: Array<o.Expression> = [
    o.literal(selfSlot),
    o.literal(primarySlot),
    dependencyResolverFn ?? o.literal(null),
    o.literal(loadingSlot),
    o.literal(placeholderSlot),
    o.literal(errorSlot),
    loadingConfig ?? o.literal(null),
    placeholderConfig ?? o.literal(null),
    enableTimerScheduling ? o.importExpr(Identifiers.deferEnableTimerScheduling) : o.literal(null),
    o.literal(flags),
  ];

  let expr: o.Expression;
  while (
    (expr = args[args.length - 1]) !== null &&
    expr instanceof o.LiteralExpr &&
    expr.value === null
  ) {
    args.pop();
  }

  return call(Identifiers.defer, args, sourceSpan);
}

export function enableIncrementalHydrationRuntime(sourceSpan: ParseSourceSpan | null): ir.CreateOp {
  return call(Identifiers.enableIncrementalHydrationRuntime, [], sourceSpan);