obj-props: JavaScript Object Property Lists

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library 2.0.0 ·javascript
verified May 27, 2026

obj-props is a utility package that provides a structured JSON file containing lists of properties for various built-in JavaScript objects. It offers a static dataset, mapping JavaScript constructor names (e.g., "Array", "Boolean", "Object") to an array of their respective property names. The current stable version is 2.0.0. Due to its nature as a static data provider, the package follows an infrequent release cadence, with new versions primarily released when new ECMAScript features introduce new built-in properties or when the underlying data source is updated. It differentiates itself by being a pre-generated, easily consumable JSON resource, forked from Sindre Sorhus's `proto-props`, making it suitable for environments where runtime reflection or dynamic property enumeration might be undesirable or overkill. This makes it valuable for static analysis, documentation, or environments with restricted execution contexts.

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