Registry / testing / babel-plugin-export-toplevel

babel-plugin-export-toplevel

library1.0.0jsnpmunverified

A Babel plugin that automatically exports all top-level declarations (e.g., const, function, class) from a module. At version 1.0.0, it is a stable, single-purpose utility primarily used in testing to expose internal functions or variables for unit tests without modifying production exports. It only affects development builds and has no runtime dependencies. Unlike other export injection plugins, it specifically targets top-level names and preserves existing exports.

testing

npm install babel-plugin-export-toplevel

github ↗package ↗

INSTALL

IMPORT

SIG · BABEL-PLUGIN-EXPOR

babel-plugin-export-toplevel

testingjavascriptv1.0.0

Install

—

Import

—

Disk

—

Pass rate

0/ 6

Env Coverage0 / 6

glibc

18–22

musl

18–22

Install & Compatibility

Where this runs

tested against v? · npm install

Install × environment matrix

Each cell = how many times install + import succeeded across repeated harness runs. Partial = flaky.
glibc = Debian/Ubuntu slim · musl = Alpine Linux

musl

node 18–226 runs

build_error

glibc

node 18–226 runs

build_error

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

plugin

✓ module.exports = { plugins: ['export-toplevel'] }

✗ import plugin from 'babel-plugin-export-toplevel'

Used as a Babel plugin reference in .babelrc or babel.config.js, not imported directly.

default

✓ { "plugins": ["export-toplevel"] }

✗ { "plugins": ["babel-plugin-export-toplevel"] }

In .babelrc, use the short name 'export-toplevel' without the babel-plugin- prefix (Babel resolves it automatically).

module.exports

✓

✗ const { exportToplevel } = require('babel-plugin-export-toplevel')

If using programmatic API, assign the plugin directly; no named export exists.

Install the plugin, configure in .babelrc, and see automatic export of top-level names for testing.

// Install: npm i --save-dev babel-plugin-export-toplevel // .babelrc { "plugins": ["export-toplevel"] } // Example input: src/example.js const hiddenFunction = () => {}; const publicFunction = () => {}; export default publicFunction; // Output: automatically adds exports for hiddenFunction // Equivalent to: export default publicFunction; export { hiddenFunction, publicFunction };

Debug

Known issues

gotchaPlugin only works in Babel 6/7; ensure Babel version compatibility.

fix

Use Babel 6 or 7.

affects: >=1.0.0

gotchaTop-level names that are already exported (either individually or via export {}) are not duplicated.

fix

No action needed; plugin skips already-exported names.

affects: >=1.0.0

gotchaDoes not export names from import statements (e.g., import { foo } from 'bar'; foo is not exported).

fix

Manually re-export imported names if needed.

affects: >=1.0.0

Errors

Common errors & fixes

SyntaxError: .../node_modules/babel-plugin-export-toplevel/lib/index.js: Unexpected token

The plugin is configured without Babel (e.g., using Node require) instead of being used as a Babel plugin.

fix

Use the plugin in Babel's .babelrc or babel.config.js, not via direct require in runtime code.

Babel configuration error: .babelrc contains unknown plugin: babel-plugin-export-toplevel

Plugin not installed in node_modules.

fix

Run 'npm install --save-dev babel-plugin-export-toplevel'.

Upgrade

Version history

1.0.0latest on npm

Audit

Dependencies

No dependency data recorded yet.

Agent activity

20 hits · last 30 days

node

OpenAI (training)

Resources

githubhttps://github.com/MaienM/babel-plugin-export-toplevel ↗

packagehttps://www.npmjs.com/package/babel-plugin-export-toplevel ↗