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flow-parser

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flow-parser

JavaScript parser written in OCaml. Produces ESTree AST


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6.4M
decreased by-6.69%
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6
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What is flow-parser?

The flow-parser npm package is a JavaScript parser that parses JavaScript source code and produces an abstract syntax tree (AST) that is compliant with the Flow type checker syntax. It is primarily used for static type checking in JavaScript and can be used to analyze or transform JavaScript code.

What are flow-parser's main functionalities?

Parsing JavaScript code

This feature allows you to parse JavaScript code with Flow type annotations into an AST. The code sample demonstrates how to use the flow-parser to parse a simple line of code with a type annotation.

const flowParser = require('flow-parser');
const code = 'let x: number = 100;';
const ast = flowParser.parse(code);

Parsing with options

This feature allows you to provide options to the parser to enable or disable experimental features. The code sample shows how to parse code with options for decorators and export star syntax.

const flowParser = require('flow-parser');
const code = 'let x: number = 100;';
const options = { esproposal_decorators: true, esproposal_export_star_as: true };
const ast = flowParser.parse(code, options);

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Package last updated on 12 Oct 2024

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