Cannot read property 'value' of undefined
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Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 25/100
- Issue type
- Bug
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- javascript
- Domain
- build-system
Research direction
Run the reproduction steps in the issue from the tape repository, comparing yarn test with dist/index.modern.js, dist/index.module.js, and dist/index.cjs in test/src/*.js. Start by locating where the failing Cannot read property 'value' of undefined error occurs and compare the generated bundles. Done means the tests pass when each of the three dist entry points is substituted.
Written by the indexing model from the issue text.
Description
I am getting some interestingly erroneous builds for code relying on AsyncIterable and AsyncIterator. Steps to reproduce:
git clone https://github.com/async-abstraction/tape
cd tape
yarn
yarn test # This works fine
sed 's/[/][s][r][c][/][i][n][d][e][x][.][j][s]/\/dist\/index.modern.js/g' -i test/src/*.js
yarn test # Works fine too
git reset --hard HEAD
sed 's/[/][s][r][c][/][i][n][d][e][x][.][j][s]/\/dist\/index.module.js/g' -i test/src/*.js
yarn test # BROKEN (Cannot read property 'value' of undefined)
git reset --hard HEAD
sed 's/[/][s][r][c][/][i][n][d][e][x][.][j][s]/\/dist\/index.cjs/g' -i test/src/*.js
yarn test # BROKEN (Cannot read property 'value' of undefined)
- Dominant language
- JavaScript
- Stars
- 8.1k
- Forks
- 358
- PR merge metrics
- No merged PRs in 30d
Contributor guide
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First steps
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- Open a pull request that references the issue number.
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