Crash report: `TypeError: Cannot read properties of undefined (reading 'split')`
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Description
URL
https://app.uniswap.org/#/vote
Error
TypeError: Cannot read properties of undefined (reading 'split')
Stacktrace
TypeError: Cannot read properties of undefined (reading 'split')
at https://app.uniswap.org/static/js/77.6fe8d3e9.chunk.js:1:2904
at Array.map (<anonymous>)
at https://app.uniswap.org/static/js/77.6fe8d3e9.chunk.js:1:2725
at Array.map (<anonymous>)
at https://app.uniswap.org/static/js/77.6fe8d3e9.chunk.js:1:2165
at Object.Aa [as useMemo] (https://app.uniswap.org/static/js/34.92d1da43.chunk.js:2:1254106)
at t.useMemo (https://app.uniswap.org/static/js/34.92d1da43.chunk.js:2:1189125)
at z (https://app.uniswap.org/static/js/77.6fe8d3e9.chunk.js:1:1889)
at K (https://app.uniswap.org/static/js/77.6fe8d3e9.chunk.js:1:3650)
at Ot (https://app.uniswap.org/static/js/77.6fe8d3e9.chunk.js:1:37449)
Device data
{
"ua": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36",
"browser": {
"name": "Chrome",
"version": "100.0.4896.127",
"major": "100"
},
"engine": {
"name": "Blink",
"version": "100.0.4896.127"
},
"os": {
"name": "Mac OS",
"version": "10.15.7"
},
"device": {},
"cpu": {}
}
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the crash at https://app.uniswap.org/#/vote in the reported Chrome environment and trace the minified stack back to the source for the voting page. Identify the undefined value reaching the split call, then verify that the vote page loads without the exception and add a regression test if the relevant test location can be found.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- react, typescript
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100