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Devour/devour_data/docs/dev.json
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Tomas Dvorak 898a3c303f update
2026-02-24 10:33:59 +01:00

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{
"id": "18db1098eb848d0f6cd2b67c",
"source": "solid:signals",
"type": "github-document",
"title": "dev",
"content": "---\ntitle: DEV\nuse_cases: \u003e-\n development debugging, build optimization, library development, conditional\n code, dev-only features\ntags:\n - development\n - debugging\n - builds\n - optimization\n - conditional\nversion: '1.0'\ndescription: \u003e-\n Access development-only features in SolidJS with the DEV export. Enable\n additional checks and debugging tools that are removed in production.\n---\n\n```ts\nimport { DEV } from \"solid-js\"\n\nconst DEV: object | undefined\n```\n\nOn the client, Solid provides (via [conditional exports](https://nodejs.org/api/packages.html#conditional-exports)) different builds depending on whether the **development** condition is set.\nDevelopment mode provides some additional checking — e.g. detecting accidental use of multiple instances of Solid — which are removed in production builds.\n\nIf you want code to run only in development mode (most useful in libraries), you can check whether the **DEV** export is defined.\nNote that it is always defined on the server, so you may want to combine with [isServer](/reference/rendering/is-server):\n\n```ts\nimport { DEV } from \"solid-js\"\nimport { isServer } from \"solid-js/web\"\n\nif (DEV \u0026\u0026 !isServer) {\n console.log(...);\n}\n```",
"url": "https://github.com/solidjs/solid-docs/blob/HEAD/src/routes/reference/rendering/dev.mdx",
"metadata": {
"path": "src/routes/reference/rendering/dev.mdx",
"repo": "solidjs/solid-docs",
"repo_url": "https://github.com/solidjs/solid-docs.git",
"size": 1204,
"source_type": "github"
},
"hash": "da0f514739b6746a03d997e6e6efc5819a88f6c10432ea859a2f7ca4e21a9e24",
"timestamp": "2026-02-23T11:43:00.190283546+01:00"
}