canirequire › CommonJS › xmlchars
Is xmlchars ESM-only? Can you require() it?
Utilities for determining if characters belong to character classes defined by the XML specs.
Last verified Sep 9, 2026 against xmlchars@2.2.0. JSON
CommonJS CommonJS — require() works on every Node.js version
xmlchars ships CommonJS only. require("xmlchars") works everywhere. import "xmlchars" 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 xmlchars@2.2.0 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("xmlchars") from a CommonJS file and import "xmlchars" from an ES module.
| Runtime | require("xmlchars") | import "xmlchars" |
|---|---|---|
| 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 xmlchars
ES modules (import)
import xmlchars from "xmlchars";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 xmlchars = require("xmlchars");Module format by version
Derived from the type, main and exports fields of every stable release on npm (9 versions; the newest 9 shown).
| Versions | Format | First published |
|---|---|---|
| 1.0.0 – 2.2.0 | CommonJS | Jul 5, 2018 |
Frequently asked
Is xmlchars ESM-only?
xmlchars@2.2.0 is a CommonJS package. xmlchars ships CommonJS only. require("xmlchars") works everywhere. import "xmlchars" 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 xmlchars with ES module syntax?
Yes. import xmlchars from "xmlchars" 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 xmlchars work in Bun?
Yes. import "xmlchars" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does xmlchars ship TypeScript types?
Yes. xmlchars bundles its own type declarations; no @types package is needed.
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