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Is convert-source-map ESM-only? Can you require() it?

Converts a source-map from/to different formats and allows adding/changing properties.

Last verified Sep 9, 2026 against convert-source-map@2.0.0. JSON

CommonJS CommonJS — require() works on every Node.js version

convert-source-map ships CommonJS only. require("convert-source-map") works everywhere. import "convert-source-map" 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.

Latest
2.0.0 (Oct 17, 2022)
Module format
CommonJS
Last CommonJS version
2.0.0
TypeScript types
@types/convert-source-map
Node engines
not declared
Weekly downloads
193.7M
License
MIT

Does convert-source-map@2.0.0 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("convert-source-map") from a CommonJS file and import "convert-source-map" from an ES module.

Runtimerequire("convert-source-map")import "convert-source-map"
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 convert-source-map

ES modules (import)

import convertSourceMap from "convert-source-map";

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 convertSourceMap = require("convert-source-map");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (36 versions; the newest 36 shown).

VersionsFormatFirst published
0.1.0 – 2.0.0CommonJSMar 13, 2013

Frequently asked

Is convert-source-map ESM-only?

convert-source-map@2.0.0 is a CommonJS package. convert-source-map ships CommonJS only. require("convert-source-map") works everywhere. import "convert-source-map" 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 convert-source-map with ES module syntax?

Yes. import convertSourceMap from "convert-source-map" 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 convert-source-map work in Bun?

Yes. import "convert-source-map" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does convert-source-map ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/convert-source-map".

Links

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