microsoft / microsoft/TypeScript-Sublime-Plugin
Use an alternative JSON deserialization library
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- Dominant language
- JavaScript
- Stars
- 1.7k
- Forks
- 236
- Avg merge
- 21d 13h
- Merged PRs (30d)
- 1
Description
I've heard through the grapevine that one of our current constraints has been JSON size due to the limits of parsing speed. A fairly recent blog post I read actually points out two incredibly capable competitors:
See: JSON vs simpleJSON vs ultraJSON
Offhand notes:
- Both libraries seem to be consistently faster for loads.
- This is significant beacuse we only do loads.
- UltraJSON generally seems to be faster than simplejson.
- UltraJSON has a C code dependency.
- simplejson is written in Python, but has an optional C backend for speed.
I think it would be worth experimenting with the two to see what kinds of gains we can get.
I've plotted the data from the blog post below.
Loads

Dumps


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
The issue names no repository files, tests, or entry points; start by locating the current JSON deserialization path in the plugin. Benchmark loads with simplejson and UltraJSON against the existing implementation, accounting for UltraJSON's C dependency, and document whether the measured gains justify a change.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, python
- Domain
- performance, tooling
- Issue type
- Refactor
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100
