Timeline not loading due to 'Object expected'-error in IE11

[pwlinkas]

Error

In IE11 I get the error Object expected on line 20 in Range.js. Looks like moment is undefined.

const now = moment().hours(0).minutes(0).seconds(0).milliseconds(0);

Steps to reproduce

1. Open the basic example in IE11
2. Timeline not loading due to error above

I can't find any list of supported browsers for vis-timeline, so I'm not sure if IE11 is supposed to be supported anymore.

[Async0x42]

I haven't looked into it yet, but the latest version (6.3.5) breaks IE11 support for me. 6.3.4 seems to work in IE11.

[Thomaash]

My untested theory:

• Vis Util had IE11 issues until 2.0.1, Timeline uses 1.1.4.
• Vis Data had IE11 issues until 6.2.4, Timeline uses 6.1.1.

With Timeline 6.3.5 prototype pollution was removed which most likely caused these issues. The pollution provided missing polyfills for these versions and since it is no longer present it just doesn't work.

Simply updating dependencies or providing global polyfills could resolve this issue.

[fras2560]

@Thomaash I encountered the similar issue. I updated both Vis Util and Vis Data to the recommended versions and it seemed to resolve the IE 11 issues I encountered.

[vis-bot]

🎉 This issue has been resolved in version 6.4.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀