polyfill-library

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Feature/Polyfill Request: Thanks for this great project. Could you please add [Web Components Polyfills](https://github.com/webcomponents/polyfills) Or simple document/advice for contributing.

AliMD

## What `getPolyfillString()` emits an ENV warning in the emitted javascript, against expectation. I call `getPolyfillString` from library code, not via a service, however, [getPolyfillString](https://github.com/Financial-Times/polyfill-library/blob/6a573419392dbbd355f343b8a48e679e372917b1/lib/index.js#L238) assumes [it's being run as...

cdaringe

Many polyfills are missing

2

[type]: A bug report ## What Core-js test cases are compared，It turns out that Polyfill-Library is missing a lot ## Details Chrome 41 https://github.com/chenyulun/polyfill-test # polyfill-test ## polyfill.io VS core-js3.9.1...

chenyulun

SubmitEvent.submitter polyfill ?

2

Feature request. ## What This is the merged PR for the new spec: https://github.com/whatwg/html/pull/4984 An example polyfill: https://github.com/idea2app/event-submitter-polyfill and the table of browsers support: https://caniuse.com/mdn-api_submitevent_submitter ## Details This is a...

kapouer

[feature request] Event constructor(s) polyfill

1

`document.dispatchEvent(new MouseEvent("click"))` Specification: https://developer.mozilla.org/en-US/docs/Web/API/Event/Event Also contains a table of non supporting browsers (old ones + IE). Polyfill: https://github.com/theftprevention/event-constructor-polyfill/blob/master/README.md

kapouer

3.108.0 build error

10

[type]: bug ## What "version": "3.108.0", `run yarn build` ```sell polyfill-library git:(master) ✗ yarn build yarn run v1.22.11 $ npm run clean && node tasks/updatesources && node tasks/buildsources/buildsources > [email protected]...

chenyulun

Date.toLocaleString slowdown since 3.52.2

5

## What We've noticed that Date.toLocaleString() has great performance degradation on IE11 since version 3.53.2. 3.53.1 is the most recent version which works fine. ## Details Attached is a very...

msvab

https://developer.mozilla.org/en-US/docs/Web/API/URL/password The polyfill internally uses `HTMLAnchorElement` but `username` and `password` are not supported in older browsers. These values are always `undefined`. ```js it('URL IDL', function() { var url = new...

romainmenke

[feature-request] New alias: evergreen/evergreen.~locale.XX

3

It would be great to have a new alias (proposed: **evergreen** or something similar) that serves all the polyfills, but of course always depending on target browser. Similar to what...

CheloXL

support SVGElement.prototype.innerHTML

1

Feature Request ## What Looks like this polyfill doesn't exist in the service, it would be great to have it. ## Details Somebody raised an issue on my repository to...

antony