| 4535 | //////////////////////////////////// |
| 4536 | |
| 4537 | function createInternalInjector(cache, factory) { |
| 4538 | |
| 4539 | function getService(serviceName, caller) { |
| 4540 | if (cache.hasOwnProperty(serviceName)) { |
| 4541 | if (cache[serviceName] === INSTANTIATING) { |
| 4542 | throw $injectorMinErr('cdep', 'Circular dependency found: {0}', |
| 4543 | serviceName + ' <- ' + path.join(' <- ')); |
| 4544 | } |
| 4545 | return cache[serviceName]; |
| 4546 | } else { |
| 4547 | try { |
| 4548 | path.unshift(serviceName); |
| 4549 | cache[serviceName] = INSTANTIATING; |
| 4550 | return cache[serviceName] = factory(serviceName, caller); |
| 4551 | } catch (err) { |
| 4552 | if (cache[serviceName] === INSTANTIATING) { |
| 4553 | delete cache[serviceName]; |
| 4554 | } |
| 4555 | throw err; |
| 4556 | } finally { |
| 4557 | path.shift(); |
| 4558 | } |
| 4559 | } |
| 4560 | } |
| 4561 | |
| 4562 | |
| 4563 | function injectionArgs(fn, locals, serviceName) { |
| 4564 | var args = [], |
| 4565 | $inject = createInjector.$$annotate(fn, strictDi, serviceName); |
| 4566 | |
| 4567 | for (var i = 0, length = $inject.length; i < length; i++) { |
| 4568 | var key = $inject[i]; |
| 4569 | if (typeof key !== 'string') { |
| 4570 | throw $injectorMinErr('itkn', |
| 4571 | 'Incorrect injection token! Expected service name as string, got {0}', key); |
| 4572 | } |
| 4573 | args.push(locals && locals.hasOwnProperty(key) ? locals[key] : |
| 4574 | getService(key, serviceName)); |
| 4575 | } |
| 4576 | return args; |
| 4577 | } |
| 4578 | |
| 4579 | function isClass(func) { |
| 4580 | // IE 9-11 do not support classes and IE9 leaks with the code below. |
| 4581 | if (msie <= 11) { |
| 4582 | return false; |
| 4583 | } |
| 4584 | // Workaround for MS Edge. |
| 4585 | // Check https://connect.microsoft.com/IE/Feedback/Details/2211653 |
| 4586 | return typeof func === 'function' |
| 4587 | && /^(?:class\s|constructor\()/.test(Function.prototype.toString.call(func)); |
| 4588 | } |
| 4589 | |
| 4590 | function invoke(fn, self, locals, serviceName) { |
| 4591 | if (typeof locals === 'string') { |
| 4592 | serviceName = locals; |
| 4593 | locals = null; |
| 4594 | } |