Function loop

packages/core/src/flow/loop.ts:92–118

(
  iterations: LoopCallback | number,
  factory?: LoopCallback,
)

  factory: LoopCallback,
): ThreadGenerator;
export function* loop(
  iterations: LoopCallback | number,
  factory?: LoopCallback,
): ThreadGenerator {
  if (typeof iterations !== 'number') {
    factory = iterations;
    iterations = Infinity;
  }

  if (iterations === Infinity && useThread().parent === null) {
    useLogger().error({
      message: 'Tried to execute an infinite loop in the main thread.',
      remarks: infiniteLoop,
      stack: new Error().stack,
    });
    return;
  }

  for (let i = 0; i < iterations; i++) {
    const generator = factory!(i);
    if (generator) {
      yield* generator;
    } else {
      yield;
    }
  }
}