Deno•9mo ago

When to use deno add compared to import with a prefix?

ciscoheat · 2025-04-07T12:34:24.916Z

As the title says, I can import like this: ```ts import { parse } from "jsr:@std/csv/parse"; ``` And it will work, but there is also `deno add`, which I'm recommended to use if I import from `@std/csv/parse`. When should I use `deno add`?

As the title says, I can import like this:

import { parse } from "jsr:@std/csv/parse";

import { parse } from "jsr:@std/csv/parse";

And it will work, but there is also

deno add

deno add

, which I'm recommended to use if I import from

@std/csv/parse

@std/csv/parse

. When should I use

deno add

deno add

marvinh.•4/7/25, 12:45 PM

Rule of thumb: Use inline

jsr:

jsr:

npm:

npm:

specifiers for simple scripts and define deps in

deno.json

deno.json

for more complex projects. Being able to look up all dependencies of a project in one file makes it easier to manage them and automate it via tooling like

ciscoheatOP•4/7/25, 12:51 PM

Ok, thank you!