canirequire › CommonJS › string.prototype.trimstart
Is string.prototype.trimstart ESM-only? Can you require() it?
ES2019 spec-compliant String.prototype.trimStart shim.
Last verified Sep 9, 2026 against string.prototype.trimstart@1.0.8. Markdown · JSON
CommonJS CommonJS — require() works on every Node.js version we test
string.prototype.trimstart ships CommonJS only. require("string.prototype.trimstart") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 0.4. import "string.prototype.trimstart" 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.
What to do
- require("string.prototype.trimstart") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 0.4.
- From ES modules use the default import: import stringPrototypeTrimstart from "string.prototype.trimstart"; then destructure. Named imports only work when Node.js can statically detect the exports.
- TypeScript: no types are available for string.prototype.trimstart; declare the module yourself if you need them.
Does string.prototype.trimstart@1.0.8 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("string.prototype.trimstart") from a CommonJS file and import "string.prototype.trimstart" from an ES module.
| Runtime | require("string.prototype.trimstart") | import "string.prototype.trimstart" |
|---|---|---|
| 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 1.4.0 | ✓ works | ✓ works |
How to import string.prototype.trimstart
ES modules (import)
import stringPrototypeTrimstart from "string.prototype.trimstart";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 stringPrototypeTrimstart = require("string.prototype.trimstart");Module format by version
Derived from the type, main and exports fields of every stable release on npm, corrected where a runtime test of that version contradicted them (11 versions; the newest 11 shown).
| Versions | Format | First published |
|---|---|---|
| 0.0.1 – 1.0.8 | CommonJS | Dec 19, 2017 |
Frequently asked
Is string.prototype.trimstart ESM-only?
string.prototype.trimstart@1.0.8 is a CommonJS package. string.prototype.trimstart ships CommonJS only. require("string.prototype.trimstart") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 0.4. import "string.prototype.trimstart" 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 string.prototype.trimstart with ES module syntax?
Yes. import stringPrototypeTrimstart from "string.prototype.trimstart" 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 string.prototype.trimstart work in Bun?
Yes. import "string.prototype.trimstart" loaded successfully in Bun 1.4.0 on Sep 9, 2026.
Does string.prototype.trimstart ship TypeScript types?
No. string.prototype.trimstart ships no type declarations and there is no @types package for it.
Links
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