TypeError: t is undefined

MikeJones

Now that I have Sentry installed I am catching little bugs here and there. I am assuming I should share once I think are core flarum issues. Let me know if you need any more info!

TypeError: t is undefined at tagLabel(webpack://@flarum/tags/./src/common/helpers/tagLabel.js:28:13) at forEach(webpack://@flarum/tags/./src/common/helpers/tagsLabel.js:14:23) at tagsLabel(webpack://@flarum/tags/./src/common/helpers/tagsLabel.js:12:20) at descriptionData(webpack://@flarum/tags/./src/forum/components/DiscussionTaggedPost.js:49:15) at content(webpack://@flarum/core/./src/forum/components/EventPost.js:29:37) at view(webpack://@flarum/core/./src/forum/components/Post.js:51:21) at render(webpack://@flarum/core/./src/common/Component.js:102:59) at view(webpack://@flarum/core/./src/common/Component.js:189:24) at checkView(webpack://@flarum/core/./node_modules/mithril/mithril.js:806:1) at markViews(webpack://@flarum/core/./node_modules/mithril/mithril.js:822:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:847:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at constructChildren(webpack://@flarum/core/./node_modules/mithril/mithril.js:709:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:879:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at constructChildren(webpack://@flarum/core/./node_modules/mithril/mithril.js:709:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:879:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at constructChildren(webpack://@flarum/core/./node_modules/mithril/mithril.js:709:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:879:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at constructChildren(webpack://@flarum/core/./node_modules/mithril/mithril.js:709:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:879:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at buildUpdatedNode(webpack://@flarum/core/./node_modules/mithril/mithril.js:469:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:891:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at buildUpdatedNode(webpack://@flarum/core/./node_modules/mithril/mithril.js:469:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:891:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at render(webpack://@flarum/core/./node_modules/mithril/mithril.js:1340:1) at f(webpack://@flarum/core/./node_modules/mithril/mithril.js:1567:1) at forEach(webpack://@flarum/core/./node_modules/mithril/mithril.js:189:18) at redraw(webpack://@flarum/core/./node_modules/mithril/mithril.js:1563:1) at redraw(webpack://@flarum/core/./node_modules/mithril/mithril.js:1547:1) at goToNumber(webpack://@flarum/core/./src/forum/components/PostStream.js:67:7) at onSuccess(webpack://@flarum/core/./src/forum/components/DiscussionPage.js:199:17) at l/<(webpack://@flarum/core/./node_modules/mithril/mithril.js:2033:1)

I also think this one may be related to the one above:

TypeError: Cannot read property 'icon' of undefined at tagLabel(webpack://@flarum/tags/./src/common/helpers/tagLabel.js:29:14) at ? (webpack://@flarum/tags/./src/common/helpers/tagsLabel.js:14:23) at Array.forEach(<anonymous>) at tagsLabel(webpack://@flarum/tags/./src/common/helpers/tagsLabel.js:12:20) at descriptionData(webpack://@flarum/tags/./src/forum/components/DiscussionTaggedPost.js:49:15) at content(webpack://@flarum/core/./src/forum/components/EventPost.js:29:37) at view(webpack://@flarum/core/./src/forum/components/Post.js:51:21) at render(webpack://@flarum/core/./src/common/Component.js:102:59) at view(webpack://@flarum/core/./src/common/Component.js:189:24) at checkView(webpack://@flarum/core/./node_modules/mithril/mithril.js:806:1) at markViews(webpack://@flarum/core/./node_modules/mithril/mithril.js:822:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:847:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at constructChildren(webpack://@flarum/core/./node_modules/mithril/mithril.js:709:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:879:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at constructChildren(webpack://@flarum/core/./node_modules/mithril/mithril.js:709:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:879:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at constructChildren(webpack://@flarum/core/./node_modules/mithril/mithril.js:709:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:879:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at constructChildren(webpack://@flarum/core/./node_modules/mithril/mithril.js:709:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:879:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at buildUpdatedNode(webpack://@flarum/core/./node_modules/mithril/mithril.js:469:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:891:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at buildArray(webpack://@flarum/core/./node_modules/mithril/mithril.js:630:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:989:1) at buildUpdatedNode(webpack://@flarum/core/./node_modules/mithril/mithril.js:469:1) at buildObject(webpack://@flarum/core/./node_modules/mithril/mithril.js:891:1) at build(webpack://@flarum/core/./node_modules/mithril/mithril.js:1000:1) at render(webpack://@flarum/core/./node_modules/mithril/mithril.js:1340:1) at f(webpack://@flarum/core/./node_modules/mithril/mithril.js:1567:1) at forEach(webpack://@flarum/core/./node_modules/mithril/mithril.js:189:18) at redraw(webpack://@flarum/core/./node_modules/mithril/mithril.js:1563:1) at redraw(webpack://@flarum/core/./node_modules/mithril/mithril.js:1547:1) at goToNumber(webpack://@flarum/core/./src/forum/components/PostStream.js:67:7) at e.n.show(webpack://@flarum/core/./src/forum/components/DiscussionPage.js:199:17)

datitisev

MikeJones I think this was caused by having a tag be changed in a discussion, then deleted. If so, it was fixed with flarum/tags66, reported in flarum/core1864.

FYI - we also have sentry on the demos site, and have caught a bunch of errors regarding undefined/null objects. However, the main issue with fixing them is trying to figure out why those items are undefined/null and not set (see flarum/core1881).