ember-concurrency/dist/-private/helpers.js

Improved concurrency/async primitives for Ember.js

import { get } from '@ember/object';
import { assert } from '@ember/debug';

function taskHelperClosure(helperName, taskMethod, _args, hash) {
  let task = _args[0];
  let outerArgs = _args.slice(1);
  return function (...innerArgs) {
    if (!task || typeof task[taskMethod] !== 'function') {
      assert(`The first argument passed to the \`${helperName}\` helper should be a Task object (without quotes); you passed ${task}`, false);
      return;
    }
    if (hash && hash.value) {
      let event = innerArgs.pop();
      innerArgs.push(get(event, hash.value));
    }
    return task[taskMethod](...outerArgs, ...innerArgs);
  };
}

export { taskHelperClosure };
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