feat: add download parser scripts

Author: HerringtonDarkholme

package.json

@@ -7,6 +7,7 @@
     "dev": "vitepress dev website",
     "dev-force": "vitepress dev website --force",
     "build": "vue-tsc --noEmit && NODE_OPTIONS=--max_old_space_size=4096 vitepress build website",
+    "download-parsers": "node --experimental-strip-types website/public/parsers/downloadParsers.mjs",
     "serve": "vitepress serve website"
   },
   "dependencies": {

website/_data/parsers.ts

@@ -23,7 +23,7 @@ export const parserPaths = {
   yaml: 'tree-sitter-yaml.wasm',
 }
 
-export const repos = {
+export const repos: Record<string, string> = {
   bash: 'https://unpkg.com/tree-sitter-bash',
   c: 'https://unpkg.com/tree-sitter-c',
   cpp: 'https://unpkg.com/tree-sitter-cpp',

website/public/parsers/downloadParsers.mjs

@@ -0,0 +1,23 @@
+import { parserPaths, repos, versions } from '../../_data/parsers.ts'
+import fs from 'node:fs'
+
+async function main() {
+  const dirname = import.meta.dirname
+  for (const [lang, path] of Object.entries(parserPaths)) {
+    const repo = repos[lang]
+    const version = versions[lang]
+    if (!repo || !version) {
+      console.error(`Missing repo or version for ${lang}`)
+      continue
+    }
+    const url = `${repo}@v${version}/${path}`
+    console.log(`Downloading ${lang} parser from ${url}`)
+    const res = await fetch(url)
+    const buffer = await res.arrayBuffer()
+    const wasm = new Uint8Array(buffer)
+    console.log(`Writing ${lang} parser to ${path}`)
+    fs.writeFileSync(`${dirname}/${path}`, wasm)
+  }
+}
+
+main()