taozhi8833998 / taozhi8833998/node-sql-parser
perf: Load pegjs files conditionally
Nobody has claimed this yet.
- Dominant language
- PEG.js
- Stars
- 1k
- Forks
- 244
- PR merge metrics
- No merged PRs in 30d
Description
The .pegjs files total ~1.45MB and are all loaded upfront. I would guess that most users (like myself) only use one SQL dialect in their project, so loading only that specific parser would significantly reduce their browser's download time (nm, I see that's what the separate <dialect>.umd.js files are for) or their Node.js process' startup time.
Contributor guide
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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 tracing how the .pegjs files are loaded during Node.js startup, then compare that path with the separate .umd.js files mentioned in the issue. Done means parser loading is conditional rather than loading all dialects upfront, with startup behavior checked for the affected usage.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- node.js
- Domain
- performance
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100