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