Function factory

src/utils/factory.js:30–50

(name, dependencies, create, meta)

 * @returns {function}
 */
export function factory (name, dependencies, create, meta) {
  function assertAndCreate (scope) {
    // we only pass the requested dependencies to the factory function
    // to prevent functions to rely on dependencies that are not explicitly
    // requested.
    const deps = pickShallow(scope, dependencies.map(stripOptionalNotation))

    assertDependencies(name, dependencies, scope)

    return create(deps)
  }

  assertAndCreate.isFactory = true
  assertAndCreate.fn = name
  assertAndCreate.dependencies = dependencies.slice().sort()
  if (meta) {
    assertAndCreate.meta = meta
  }

  return assertAndCreate
}

/**
 * Sort all factories such that when loading in order, the dependencies are resolved.