Package Exports

camelcase-keys-safe
camelcase-keys-safe/lib/index.js

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Readme

camelcase-keys-safe

Safely convert object keys to camelCase recursively with circular reference protection, deep traversal, and robust error handling.

Simple usage:

import camelCaseSafe from 'camelcase-keys-safe';

var camelGotHumps = camelCaseSafe({'test-1':123, 'test-2':{'test-3:':{'test-four':132}}});

//{ test1: 123, test2: { 'test3:': { testFour: 132 } } }
console.log(camelGotHumps);

Works with Arrays too:

var anotherCamelWithTheHump = camelCaseSafe({
    'test-1': 123,
    'test-Two': [{
        'test-three': {
            'test-FOUR': [{'test-five':[{testSix:{'test-seven':8}}]}]
        }
    }]
});

//{"test1":123,"testTwo":[{"testThree":{"testFOUR":[{"testFive":[{"testSix":{"testSeven":8}}]}]}}]}
console.log(JSON.stringify(anotherCamelWithTheHump));

Handles Circular References Safely:

// Create an object with circular reference
const obj = { 'user-name': 'John', 'user-data': {} };
obj['user-data'].parent = obj; // Circular reference!

// This would cause infinite loops with regular recursive functions
// But camelCaseSafe handles it gracefully
const safeResult = camelCaseSafe(obj);
console.log(safeResult);
// { userName: 'John', userData: { parent: [Circular] } }

Features

✅ Circular Reference Protection: Uses WeakMap caching to prevent infinite loops
✅ Deep Traversal: Recursively processes nested objects and arrays
✅ Type Safety: Preserves Date objects and other special types
✅ Array Support: Handles arrays containing objects
✅ Performance Optimized: Efficient caching mechanism
✅ Zero Dependencies: Only depends on map-obj for core functionality

Installation

npm install camelcase-keys-safe

More information on internal modules

map-obj // TODO

Contributing

Simply make a pr with details on your bug and tests.