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Diffstat (limited to 'docs/linking_to_external_code/import_maps.md')
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diff --git a/docs/linking_to_external_code/import_maps.md b/docs/linking_to_external_code/import_maps.md new file mode 100644 index 000000000..7ec963d39 --- /dev/null +++ b/docs/linking_to_external_code/import_maps.md @@ -0,0 +1,42 @@ +## Import maps + +> This is an unstable feature. Learn more about +> [unstable features](../../runtime/unstable). + +Deno supports [import maps](https://github.com/WICG/import-maps). + +You can use import map with the `--importmap=<FILE>` CLI flag. + +Current limitations: + +- single import map +- no fallback URLs +- Deno does not support `std:` namespace +- supports only `file:`, `http:` and `https:` schemes + +Example: + +```js +// import_map.json + +{ + "imports": { + "http/": "https://deno.land/std/http/" + } +} +``` + +```ts +// hello_server.ts + +import { serve } from "http/server.ts"; + +const body = new TextEncoder().encode("Hello World\n"); +for await (const req of serve(":8000")) { + req.respond({ body }); +} +``` + +```shell +$ deno run --importmap=import_map.json hello_server.ts +``` |