{"id":1768,"date":"2023-11-14T05:00:00","date_gmt":"2023-11-14T13:00:00","guid":{"rendered":"https:\/\/www.angulartraining.com\/daily-newsletter\/?p=1768"},"modified":"2023-11-13T14:55:43","modified_gmt":"2023-11-13T22:55:43","slug":"angular-17-new-devtools-injector-tree-view","status":"publish","type":"post","link":"http:\/\/www.angulartraining.com\/daily-newsletter\/angular-17-new-devtools-injector-tree-view\/","title":{"rendered":"Angular 17: New devtools injector tree view"},"content":{"rendered":"\n<p>Another Angular 17 update is the release of a new DevTools panel called <strong>Injector Tree<\/strong>. It&#8217;s a good option to visualize both your element hierarchy and injector hierarchy, and it is accessible as a third tab in the <a href=\"https:\/\/www.angulartraining.com\/daily-newsletter\/angular-devtools-extension\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Angular DevTools browser extension<\/a> available for Chrome, Firefox, and Edge:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"507\" height=\"129\" src=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-24.png\" alt=\"\" class=\"wp-image-1769\" srcset=\"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-24.png 507w, http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-24-300x76.png 300w\" sizes=\"auto, (max-width: 507px) 100vw, 507px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>When we click on that tab, a tree view of all hierarchies shows up on the screen:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"546\" src=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-25-1024x546.png\" alt=\"\" class=\"wp-image-1770\" srcset=\"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-25-1024x546.png 1024w, http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-25-300x160.png 300w, http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-25-768x409.png 768w, http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-25.png 1329w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>For a clearer view, we can check the option &#8220;hide framework injectors&#8221; to focus on our code:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"965\" height=\"743\" src=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-26.png\" alt=\"\" class=\"wp-image-1771\" srcset=\"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-26.png 965w, http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-26-300x231.png 300w, http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-26-768x591.png 768w\" sizes=\"auto, (max-width: 965px) 100vw, 965px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Clicking on an <a href=\"https:\/\/www.angulartraining.com\/daily-newsletter\/dependency-injection-priority-and-hierarchy\/\" target=\"_blank\" rel=\"noopener\" title=\"\">injector<\/a> (such as root) shows the list of all injectables\/services available in that injector:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"413\" src=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-27-1024x413.png\" alt=\"\" class=\"wp-image-1772\" srcset=\"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-27-1024x413.png 1024w, http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-27-300x121.png 300w, http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-27-768x310.png 768w, http:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/11\/image-27.png 1130w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>This new tab seems to be just getting started, and more information will be added later. Even though the Devtools is a browser extension, the Injector tree tab only works for apps using Angular v17+. I tried an Angular v16 app with no success.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Another Angular 17 update is the release of a new DevTools panel called Injector Tree. It&#8217;s a good option to visualize both your element hierarchy and injector hierarchy, and it is accessible as a third tab in the Angular DevTools browser extension available for Chrome, Firefox, and Edge: When we click on that tab, a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,13,26,17],"tags":[],"class_list":["post-1768","post","type-post","status-publish","format-standard","hentry","category-angular","category-debugging","category-dependency-injection","category-tools"],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts\/1768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/comments?post=1768"}],"version-history":[{"count":2,"href":"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts\/1768\/revisions"}],"predecessor-version":[{"id":1774,"href":"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts\/1768\/revisions\/1774"}],"wp:attachment":[{"href":"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/media?parent=1768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/categories?post=1768"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/tags?post=1768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}