Implement operator registry system with configurable runtime and codegen classes #4
+477
−0
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This PR implements a flexible operator registry system that allows users to create custom operator sets for different use cases. The new system provides:
New Classes
OperatorRegistry
A class to manage collections of operators with methods to:
ExpressionRuntime
A runtime class that evaluates JSON expressions using a specified operator registry:
ExpressionCodegen
A code generation class that compiles expressions to JavaScript using custom operator sets:
Built-in Registries
Default Registry
Contains the most commonly used operators for typical JSON expression needs:
+
,-
,*
,/
, etc.)==
,>
,<
, etc.)and
,or
,not
)type
,bool?
,str?
, etc.)len
,member
)cat
,contains
,starts
)concat
,filter
,map
)keys
,values
,entries
)if
,throw
)get
,$
)Extended Registry
Includes everything from the default registry plus advanced operators:
u8
,i8
,f32
, etc.)&
,|
,^
,~
)jp.add
)Usage Examples
Backward Compatibility
All existing APIs remain unchanged. The original
evaluate
function andJsonExpressionCodegen
class continue to work exactly as before, using the full operator set by default.Fixes #3.
💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.