--- title: Say Goodbye to Spread Operator: Use Default Composer description: " default-composer" is a lightweight JavaScript library that allows you to set default values for nested objects. The library replaces empty... canonical: https://daily.dev/posts/say-goodbye-to-spread-operator-use-default-composer-fa7ytn0iv twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Say Goodbye to Spread Operator: Use Default Composer | daily.dev og:description: " default-composer" is a lightweight JavaScript library that allows you to set default values for nested objects. The library replaces empty... og:url: https://daily.dev/posts/say-goodbye-to-spread-operator-use-default-composer-fa7ytn0iv og:image: https://api.daily.dev/og/posts/FA7YtN0iV.png og:image:alt: Say Goodbye to Spread Operator: Use Default Composer og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Say Goodbye to Spread Operator: Use Default Composer **[Community Picks](https://daily.dev/sources/community)** · 4 min read · 174 upvotes · 41 comments ## Summary " default-composer" is a lightweight JavaScript library that allows you to set default values for nested objects. The library replaces empty strings/arrays/objects, null, or undefined values in an existing object with the defined default values. This helps simplify programming logic and reduce the amount of code needed to set the default values. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@ivancho** · 57 upvotes > Interesting, but I'm more in the side of not adding a lot of dependencies for something that is not to heavy logic. **@cervarlcg** · 13 upvotes > i have a better joke: npm i is-odd **@m4n50n** · 10 upvotes > Nop **@pangolin95** · 9 upvotes > Easiness of read will always be something subjective and not something that will make me add another dependency into my project **@kyoukhana** · 5 upvotes > Need somebody to read this article. Need more opinions to chime in on this. ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#javascript](https://daily.dev/tags/javascript) [View this post on daily.dev](https://daily.dev/posts/say-goodbye-to-spread-operator-use-default-composer-fa7ytn0iv) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Say Goodbye to Spread Operator: Use Default Composer","url":"https://daily.dev/posts/say-goodbye-to-spread-operator-use-default-composer-fa7ytn0iv","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/say-goodbye-to-spread-operator-use-default-composer-fa7ytn0iv"},"datePublished":"2023-06-07T12:27:14.978Z","dateModified":"2023-12-07T12:02:45.284Z","description":"\" default-composer\" is a lightweight JavaScript library that allows you to set default values for nested objects. 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Need more opinions to chime in on this.","datePublished":"2023-06-07T17:30:09.292Z","url":"https://daily.dev/posts/FA7YtN0iV#c-QGbz0E8CM","author":{"@type":"Person","name":"Kevin","url":"https://daily.dev/kyoukhana","image":"https://avatars2.githubusercontent.com/u/756849?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":5}}]} ```