cli-testing-library/dist/esm/process-helpers.js

Simple and complete CLI testing utilities that encourage good testing practices.

import treeKill from "tree-kill";
import { getConfig } from "./config.js";
const killProc = (instance, signal) => new Promise((resolve, reject) => {
  if (!instance.process.pid || instance.process.pid && instance.hasExit()) {
    resolve();
    return;
  }
  treeKill(instance.process.pid, signal, async (err) => {
    try {
      if (err) {
        if (err.message.includes("The process") && err.message.includes("not found.")) {
          resolve();
          return;
        }
        if (err.message.includes("could not be terminated") && err.message.includes("There is no running instance of the task.") && instance.hasExit()) {
          resolve();
          return;
        }
        const isOperationNotSupported = err.message.includes(
          "The operation attempted is not supported."
        );
        const isAccessDenied = err.message.includes("Access is denied.");
        if (err.message.includes("could not be terminated") && (isOperationNotSupported || isAccessDenied)) {
          const sleep = (t) => new Promise((r) => setTimeout(r, t));
          await sleep(getConfig().errorDebounceTimeout);
          if (instance.hasExit()) {
            resolve();
            return;
          }
          console.warn("Ran into error while trying to kill process:");
          console.warn(err.toString());
          console.warn(`This is likely due to Window's permissions.
                Because this error is prevalent on CI Windows systems with the tree-kill package, we are attempting
                 an alternative kill method.`);
          console.warn();
          console.warn(
            "Be aware that this alternative kill method is not guaranteed to work with subprocesses, and they may not exit properly as a result."
          );
          const didKill = instance.process.kill(signal);
          if (didKill) {
            resolve();
          } else {
            console.error(
              "Alternative kill method failed. Rejecting with original error."
            );
            reject(err);
          }
          return;
        }
        reject(err);
      } else resolve();
    } catch (e) {
      reject(e);
    }
  });
});
export {
  killProc
};
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