ember-concurrency/dist/helpers/perform.js

Improved concurrency/async primitives for Ember.js

import { helper } from '@ember/component/helper';
import { assert } from '@ember/debug';
import { taskHelperClosure } from '../-private/helpers.js';

function maybeReportError(onError) {
  return function (e) {
    if (typeof onError === 'function') {
      onError(e);
    } else if (onError === null) ; else {
      assert(`The onError argument passed to the \`perform\` helper should be a function or null; you passed ${onError}`, false);
    }
  };
}
function performHelper(args, hash) {
  let perform = taskHelperClosure('perform', 'perform', args, hash);
  if (hash && typeof hash.onError !== 'undefined') {
    return function (...innerArgs) {
      try {
        let taskInstance = perform(...innerArgs);
        return taskInstance.catch(maybeReportError(hash.onError));
        // eslint-disable-next-line no-empty
      } catch {
        maybeReportError(hash.onError);
      }
    };
  } else {
    return perform;
  }
}
var perform = helper(performHelper);

export { perform as default, performHelper };
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