In a pnpm project, run:
pnpm install @ast-grep/lang-javascript
pnpm install @ast-grep/napi
# install the tree-sitter-cli if no prebuild is available
pnpm install @tree-sitter/cli --save-devimport javascript from '@ast-grep/lang-javascript'
import { registerDynamicLanguage, parse } from '@ast-grep/napi'
registerDynamicLanguage({ javascript })
const sg = parse('javascript', `your code`)
sg.root().kind()