canirequire › CommonJS › fast-uri
Is fast-uri ESM-only? Can you require() it?
Dependency-free RFC 3986 URI toolbox
Last verified Sep 9, 2026 against fast-uri@4.1.4. JSON
CommonJS CommonJS — require() works on every Node.js version
fast-uri ships CommonJS only. require("fast-uri") works everywhere. import "fast-uri" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.
Does fast-uri@4.1.4 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("fast-uri") from a CommonJS file and import "fast-uri" from an ES module.
| Runtime | require("fast-uri") | import "fast-uri" |
|---|---|---|
| Node.js 18 | ✓ works | ✓ works |
| Node.js 20 | ✓ works | ✓ works |
| Node.js 22 | ✓ works | ✓ works |
| Node.js 24 | ✓ works | ✓ works |
| Node.js 26 | ✓ works | ✓ works |
| Bun 1.4 | ✓ works | ✓ works |
How to import fast-uri
ES modules (import)
import fastUri from "fast-uri";Named imports from a CommonJS package only work when Node.js can statically detect them. If a named import fails, use the default import and destructure.
CommonJS (require)
const fastUri = require("fast-uri");Module format by version
Derived from the type, main and exports fields of every stable release on npm (38 versions; the newest 38 shown).
| Versions | Format | First published |
|---|---|---|
| 0.0.1 – 4.1.4 | CommonJS | Dec 12, 2021 |
Frequently asked
Is fast-uri ESM-only?
fast-uri@4.1.4 is a CommonJS package. fast-uri ships CommonJS only. require("fast-uri") works everywhere. import "fast-uri" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.
Can I import fast-uri with ES module syntax?
Yes. import fastUri from "fast-uri" works in Node.js and Bun because they support importing CommonJS modules. Named imports work only when Node.js can statically detect the exports.
Does fast-uri work in Bun?
Yes. import "fast-uri" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does fast-uri ship TypeScript types?
Yes. fast-uri bundles its own type declarations; no @types package is needed.
Links
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