Registry / ima-babel6-polyfill

ima-babel6-polyfill

library0.12.0jsnpmunverified

Provides a polyfill for IE9 and IE10 to fix super-constructor calls in the Babel 6 runtime, addressing transpilation issues that affect applications using Babel 6 class inheritance on legacy Internet Explorer versions. Version 0.12.0 is the latest stable release, but the package is in maintenance mode and not actively developed. It is part of the IMA.js ecosystem and intended for use with IMA.js applications, though it can be used as a standalone fix. Alternatives include using Babel 7's @babel/polyfill or core-js for broader IE support.

npm install ima-babel6-polyfill

github ↗package ↗homepage ↗

INSTALL

IMPORT

SIG · IMA-BABEL6-POLYFIL

ima-babel6-polyfill

javascriptv0.12.0

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.

imaBabel6Polyfill

✓ import 'ima-babel6-polyfill';

✗ const imaBabel6Polyfill = require('ima-babel6-polyfill');

This is a side-effect polyfill; import without binding. Use ESM import for bundlers.

require polyfill

✓ require('ima-babel6-polyfill');

✗ const polyfill = require('ima-babel6-polyfill');

For CommonJS environments, use bare require. Do not assign to a variable as it returns undefined.

Shows how to import the polyfill and verifies that super constructor works in IE9/10.

// Ensure this is imported before any other code import 'ima-babel6-polyfill'; class Parent { constructor() { this.x = 1; } } class Child extends Parent { constructor() { super(); this.y = 2; } } const child = new Child(); console.log(child.x); // Should log 1 in IE9/10 with polyfill

Debug

Known issues

deprecatedBabel 6 is outdated and no longer supported. Consider migrating to Babel 7+.

fix

Upgrade to Babel 7 and use @babel/polyfill or core-js.

affects: >=0.0.0

gotchaThis polyfill only fixes super-constructor calls for IE9 and IE10. It does not cover other Babel 6 polyfills or features.

fix

For full polyfill support, consider using @babel/polyfill or core-js with appropriate config.

affects: >=0.0.0

gotchaSince the package has no exports, importing it in a way that expects a value will return undefined.

fix

Use bare import (import '...') or bare require (require('...')).

affects: >=0.0.0

Errors

Common errors & fixes

ReferenceError: Super constructor may not be called in IE9/10

Babel 6 transpiles super() calls incorrectly for IE9 and IE10.

fix

Import ima-babel6-polyfill as the first line of your application entry point.

polyfill is not a function

Trying to use the polyfill as a function or assign its result.

fix

Use bare import or require: import 'ima-babel6-polyfill';

Upgrade

Version history

0.12.0latest on npm

Audit

Dependencies

No dependency data recorded yet.

Agent activity

4 hits · last 30 days

node

Resources

githubhttps://github.com/seznam/IMA.js-babel6-polyfill ↗

packagehttps://www.npmjs.com/package/ima-babel6-polyfill ↗

homepagehttps://imajs.io ↗