Function waitForScript

src/devtools/DevtoolsUtils.ts:526–552

(
  model: DevTools.DebuggerModel,
  scriptId: Protocol.Runtime.ScriptId,
  signal: AbortSignal,
)

// Waits indefinitely for the script so pair it with Promise.race.
async function waitForScript(
  model: DevTools.DebuggerModel,
  scriptId: Protocol.Runtime.ScriptId,
  signal: AbortSignal,
) {
  while (true) {
    if (signal.aborted) {
      throw signal.reason;
    }

    const script = model.scriptForId(scriptId);
    if (script) {
      return script;
    }

    await new Promise((resolve, reject) => {
      signal.addEventListener('abort', () => reject(signal.reason), {
        once: true,
      });
      void model
        .once(
          'ParsedScriptSource' as Parameters<DevTools.DebuggerModel['once']>[0],
        )
        .then(resolve);
    });
  }
}