https://github.com/rtsao/strip-flow-types

Remove flow types with tree-sitter
https://github.com/rtsao/strip-flow-types

flow flowtype tree-sitter

Last synced: 4 days ago
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Remove flow types with tree-sitter

• Host: GitHub
• URL: https://github.com/rtsao/strip-flow-types
• Owner: rtsao
• Created: 2023-03-11T18:19:16.000Z (almost 2 years ago)
• Default Branch: main
• Last Pushed: 2023-06-07T21:41:26.000Z (over 1 year ago)
• Last Synced: 2024-12-27T14:10:11.077Z (about 1 month ago)
• Topics: flow, flowtype, tree-sitter
• Language: JavaScript
• Homepage:
• Size: 896 KB
• Stars: 2
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# strip-flow-types

Remove Flow type annotations with tree-sitter

## Features

- Replaces all types with whitespace so line and column numbers are unaffected (no need for source maps)

- Compiled to native code using Rust bindings for tree-sitter

- Tested against test suites for Babel and Flow

## Usage

```js

import { transform } from "strip-flow-types";

transform(`function foo(a?: number) {}`);

//     => "function foo(a         ) {}"

```

## Limitations

- Cannot parse uncommon Flow syntax that the [tree-sitter-typescript](https://github.com/tree-sitter/tree-sitter-typescript) grammar cannot parse (see commented out tests). This can be fixed upstream

- Does not currently handle the edge case where a paren/brace must be moved to produce valid JS syntax when multiline types are removed