ES2021 Logical Assignment
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- Dominant language
- TypeScript
- Stars
- 7.1k
- Forks
- 773
- PR merge metrics
- No merged PRs in 30d
Description
Steps to reproduce
esprima.parse('a ||= b;')
Expected output
A syntax tree.
Actual output
Error: Line 1: Unexpected token =
Relevant references
Proposal: https://github.com/tc39/proposal-logical-assignment
ESTree: https://github.com/estree/estree/blob/master/es2021.md#assignmentoperator
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 issue with the esprima.parse('a ||= b;') entry point and review the linked TC39 proposal and ESTree reference. The work is done when this logical-assignment syntax produces a syntax tree instead of an unexpected-token error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, typescript
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100