{"id":2337,"date":"2025-08-15T01:38:13","date_gmt":"2025-08-15T08:38:13","guid":{"rendered":"https:\/\/www.angulartraining.com\/daily-newsletter\/?p=2337"},"modified":"2025-08-15T01:38:14","modified_gmt":"2025-08-15T08:38:14","slug":"visualizing-internal-dependencies-with-madge","status":"publish","type":"post","link":"https:\/\/www.angulartraining.com\/daily-newsletter\/visualizing-internal-dependencies-with-madge\/","title":{"rendered":"Visualizing internal dependencies with Madge"},"content":{"rendered":"\n<p>When working on large Angular projects, managing dependencies between files and modules can become a significant challenge. Madge is a developer tool that visualizes and analyzes module dependencies in JavaScript applications, making it an excellent companion for Angular developers.<\/p>\n\n\n\n<p>Here is how to give it a try:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Install madge: <code>npm install -g madge<\/code><\/li>\n\n\n\n<li>In the root folder of your project, run: <code>npx madge src\/main.ts --ts-config tsconfig.json --image .\/deps.png<\/code><\/li>\n<\/ol>\n\n\n\n<p>This command will go through your entire application and create a dependency graph as an image in <code>deps.png<\/code>:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"452\" src=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2025\/08\/deps-1024x452.png\" alt=\"\" class=\"wp-image-2338\" srcset=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2025\/08\/deps-1024x452.png 1024w, https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2025\/08\/deps-300x132.png 300w, https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2025\/08\/deps-768x339.png 768w, https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2025\/08\/deps.png 1078w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>This can be used to identify circular dependencies, visualize relationships between your different components and services, and identify spaghetti code scenarios.<\/p>\n\n\n\n<p>Note that Madge has other specific commands, such as one to detect circular dependencies:<br><code>npx madge --circular src\/<\/code>main.ts <code>--ts-config tsconfig.json <\/code><\/p>\n\n\n\n<p>Or that one to detect dead code (code that is never referred to anywhere in your app):<\/p>\n\n\n\n<p>n<code>px madge --orphans src\/main.ts --ts-config tsconfig.json<\/code><\/p>\n\n\n\n<p>You can find more information on <a href=\"https:\/\/www.npmjs.com\/package\/madge\" target=\"_blank\" rel=\"noopener\" title=\"\">Madge&#8217;s NPM page<\/a> here.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When working on large Angular projects, managing dependencies between files and modules can become a significant challenge. Madge is a developer tool that visualizes and analyzes module dependencies in JavaScript applications, making it an excellent companion for Angular developers. Here is how to give it a try: This command will go through your entire application [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,21,31,17],"tags":[],"class_list":["post-2337","post","type-post","status-publish","format-standard","hentry","category-angular","category-architecture","category-best-practices","category-tools"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts\/2337","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/comments?post=2337"}],"version-history":[{"count":2,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts\/2337\/revisions"}],"predecessor-version":[{"id":2340,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts\/2337\/revisions\/2340"}],"wp:attachment":[{"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/media?parent=2337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/categories?post=2337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/tags?post=2337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}