React tool

Free Online React Props Extractor

React Props Extractor statically scans supplied React source and extracts the supported declarations or references into a focused, reviewable result.

Working tool

React Props Extractor

This tool runs in your browser. Input is not sent to our server or saved.

Maximum input: 500 KB
Input0 chars · 0 bytes
ResultWaiting for input

Your result will appear here after you run the tool.

React Props Extractor is built around a simple idea: take React source code supplied by the user, perform one well-defined developer operation, and make the result easy to inspect. For this tool, that means using the supported implementation to statically extract React prop definitions or usages detectable statically from the input and produce a structured list of detected React prop definitions or usages detectable statically, with source context or locations where supported. It is especially useful when you are debugging a snippet, learning how a transformation behaves, or checking a focused detail before editing the source in your main codebase.

Many React review questions are visible directly in component source, while others depend on rendering and user interaction. React Props Extractor is meant to handle the source-level part of that boundary with clear, static results.

Understanding the Tool

React Props Extractor turns source into a focused inventory. Instead of manually reading an entire snippet, you can isolate the declarations, references, or dependencies that its supported static analysis can detect. Its concrete output is a structured list of detected React prop definitions or usages detectable statically, with source context or locations where supported.

The scope of React Props Extractor is deliberately narrow. It receives React source code supplied by the user and applies its documented operation only to that material. It should not invent missing project context, silently assume runtime values, or present guessed information as if it were measured from the source.

Supported Input and Returned Result

Input quality directly affects React Props Extractor. Provide React source code supplied by the user. If important surrounding files, compiler settings, runtime values, or routes are missing, React Props Extractor should not silently assume them; unsupported or incomplete input should lead to a clear limitation or diagnostic.

After React Props Extractor runs, expect a structured list of detected React prop definitions or usages detectable statically, with source context or locations where supported. The result should preserve enough context to show how it relates to the supplied material. For transformed code that means a copyable result, for analysis it means understandable findings, and for generated output it means deterministic text based only on the selected settings.

Step by Step Workflow

To use React Props Extractor effectively, reduce the problem to the smallest input that still reproduces what you care about. Paste that input, apply the relevant settings, and run the tool. A smaller example makes parser errors, unexpected output, and edge cases easier to reason about before you apply the same idea inside the real project.

For React Props Extractor, practical situations include inventorying React prop definitions or usages detectable statically in a snippet, reviewing unfamiliar source before editing it, and feeding a focused list into code review or documentation work. Those use cases benefit from the same discipline: keep the input representative, keep the operation scoped, and interpret a structured list of detected React prop definitions or usages detectable statically, with source context or locations where supported in the context where it will eventually be used.

Compact Example

Input

import { format } from './format.js';
const count = 2;
function run() { return format(count); }
class Worker {}

Result

Detected declarations and references are listed with their supported source locations.

This compact React Props Extractor example shows the intended relationship between supplied input and the page result. It is deliberately small so the behavior is easy to inspect, and it does not imply that one sample covers every supported syntax form, project configuration, or edge case.

Implementation Approach

The planned technical basis for React Props Extractor is AST static analysis. For React Props Extractor, a parser or AST-based approach can distinguish real syntax nodes from look-alike text inside strings or comments, which is important for reliable static processing.

With React Props Extractor, the same input and the same settings should produce the same result through AST static analysis, except where the purpose itself is intentionally non-deterministic, such as shuffling. Parser, compiler, transformer, or analyzer errors should be shown clearly instead of being converted into generic success messages.

Development Scenarios

Developers may use React Props Extractor when inventorying React prop definitions or usages detectable statically in a snippet, when reviewing unfamiliar source before editing it, or when feeding a focused list into code review or documentation work. Because these are review-oriented tasks, the result is most valuable when it stays easy to compare with the original input.

React Props Extractor can also support learning because you can change one part of the input and see how a structured list of detected React prop definitions or usages detectable statically, with source context or locations where supported changes. That is useful for experimenting with React syntax, source structure, framework conventions, transformation behavior, or static analysis without mixing the experiment with unrelated application code.

Configuration and Predictability

React Props Extractor should favor a small set of meaningful controls over a crowded collection of switches. Extraction should be AST based whenever the registry specifies AST or compiler analysis. The page should explain which declaration forms and syntax patterns are recognized.

Defaults in React Props Extractor should be safe and unsurprising for its purpose of trying to statically extract React prop definitions or usages detectable statically from the supplied material. If a control can produce a more aggressive transformation, broader diagnostic set, different target environment, or different interpretation, the consequence should be understandable before execution.

Boundaries and Limitations

Developer judgment still matters after React Props Extractor produces a result. Static extraction sees only the source that is provided. Dynamically created names, runtime imports, computed behavior, generated code, and references in missing files may not be discoverable.

Any React findings from React Props Extractor remain source-based. Rendering behavior, state transitions, effects, network responses, user interaction, hydration, and browser APIs may change what happens at runtime. Use a structured list of detected React prop definitions or usages detectable statically, with source context or locations where supported to focus review, then test the relevant component in the real application whenever behavior matters.

Making the Result Useful

Use the output to shorten the next development step. A transformation can become a candidate edit, a diagnostic can point to a line worth fixing, and a measurement can give you a baseline for comparison. The page is successful when React Props Extractor helps you move from a vague question to a specific, reviewable result.

If React Props Extractor produces something you plan to use in production code, verify a structured list of detected React prop definitions or usages detectable statically, with source context or locations where supported with the same tests, type checks, lint rules, build commands, browser checks, or framework checks your project normally uses. That keeps this focused utility in the role of a time-saving helper while project-specific verification remains responsible for integration issues.

Privacy Considerations

Avoid putting credentials, tokens, private keys, or confidential source into React Props Extractor unless you understand how the live deployment handles input. The page should make a local-processing claim only when the implementation truly supports it.