A story about writing GraphQL (in PHP) 🙈
Why?
Existing implementations are hard to extend
I wanted to understand how GraphQL works
An open source project with a lot of potential
Timeline
Feb 2018
Type system
Execution
Parser
Mar 2018
Schema builder
Introspection
Query validator
Schema validator
Schema extender
Apr 2018
Resolver registry
Parser optimization
Partial parsing
Fall 2018
Initial documentation
Source builder
Error handler
Resolver middleware
(Schema directives)
Metrics
417 commits
65 closed issues
233 closed pull requests
15k lines of code
21k lines of tests
Additions vs deletions
Lessons learned
Do not over-abstract
Test everything
Use static type checking
(if available)
Follow language best practices
Do not optimize your code too early on
The takeaway
Think beyond the existing implementations
Version 1.0
19th of October 2018
Christoffer Niska
Head of Tech / Digia
crisu83
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A story about writing GraphQL (in PHP) 🙈
By Christoffer Niska
