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tessl/npm-jsx-ast-utils

AST utility module for statically analyzing JSX

50%

Overall

Evaluation — 50%

↑ 1.43x

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Overview
Eval results
Files

Assessment results

-27%

Gracefully handle unknown expression node types by logging and returning null instead of throwing

Criteria
Without context
With context

Value extraction

75%

38%

Unknown handling

33%

17%

Name resolution

0%

0%

Continues scanning

100%

53%

55%

Extract JSX attribute names with namespace support

Criteria
Without context
With context

propName usage

0%

100%

Namespace fidelity

60%

100%

Spread filtering

100%

100%

Invalid input handling

25%

75%

14%

Resolve JSX element type including members, namespaces, and fragments

Criteria
Without context
With context

Imports elementType

100%

100%

Fragment support

50%

100%

Member/namespaced

100%

100%

Invalid node errors

53%

80%

Shared normalization

100%

100%

12%

Evaluate prop values to JavaScript equivalents for common literals, JSX, and expressions

Criteria
Without context
With context

Prop evaluation

0%

17%

Boolean coercion

0%

15%

JSX markup

0%

13%

Spread objects

0%

20%

Unsupported cases

33%

20%

-12%

Reconstruct arrays, objects, spreads, bind expressions, and new expressions into representative structures

Criteria
Without context
With context

Attribute naming

100%

100%

Value extraction

10%

0%

Spread handling

20%

0%

Bind expressions

13%

0%

New expressions

13%

0%

-5%

Literal-only prop value extraction that filters out non-primitive expressions

Criteria
Without context
With context

Literal extraction

0%

0%

Prop lookup

100%

75%

Boolean/null handling

0%

0%

Non-literal filtering

0%

0%

Array trimming

0%

0%

0%

Reference canonical JSX event handler prop lists (flat and grouped)

Criteria
Without context
With context

Flat list usage

100%

100%

Grouped mapping

100%

100%

Category queries

100%

100%

Canonical sourcing

100%

100%

Rejects unknowns

100%

100%

10%

Support optional chaining, optional calls, and TypeScript non-null assertions or casts in value extraction

Criteria
Without context
With context

Optional chains

0%

7%

Optional calls

0%

5%

TS assertions

0%

8%

Literal extraction

0%

53%

Unknown handling

50%

20%

100%

Check for required props (single/any/all) with case-insensitive and spread-aware options

Criteria
Without context
With context

All-props check

0%

100%

Any-prop check

0%

100%

Spread handling

0%

100%

Case sensitivity toggle

0%

100%

Missing list accuracy

0%

100%

-2%

Retrieve JSX attributes directly or from object-literal spreads

Criteria
Without context
With context

Prop lookup

0%

0%

Spread support

20%

32%

Case handling

25%

25%

Value extraction

20%

0%

tessl i tessl/npm-jsx-ast-utils@3.3.0

Evaluated

Agent

Claude Code

Table of Contents

Gracefully handle unknown expression node types by logging and returning null instead of throwingExtract JSX attribute names with namespace supportResolve JSX element type including members, namespaces, and fragmentsEvaluate prop values to JavaScript equivalents for common literals, JSX, and expressionsReconstruct arrays, objects, spreads, bind expressions, and new expressions into representative structuresLiteral-only prop value extraction that filters out non-primitive expressionsReference canonical JSX event handler prop lists (flat and grouped)Support optional chaining, optional calls, and TypeScript non-null assertions or casts in value extractionCheck for required props (single/any/all) with case-insensitive and spread-aware optionsRetrieve JSX attributes directly or from object-literal spreads