gitCloneMem

Author: mmkal

src/dependencies.ts

@@ -21,7 +21,7 @@ export * as recast from 'recast'
 export * as unionfs from 'unionfs'
 export * as zx from 'zx'
 export {arktype} from './esm-modules'
-export {fetchSync} from './fetch-sync'
+export {fetchSync, gitCloneMem} from './fetch-sync'
 export {makeSynchronous} from './make-synchronous'
 
 export * as simplify from './simplify'

src/fetch-sync.ts

@@ -1,3 +1,4 @@
+import * as memfs from 'memfs'
 import {makeSynchronous} from './make-synchronous'
 
 /**
@@ -16,3 +17,25 @@ export const fetchSync = makeSynchronous(async (input: RequestInfo | URL, init?:
     text: await res.text(),
   }
 })
+
+export const gitCloneMem = (params: {repoUrl: string; ref?: string}) => {
+  const fsJson = makeSynchronous(async (_params: typeof params) => {
+    const dir = '/repo'
+    const _memfs = await import('memfs')
+    const git = await import('isomorphic-git')
+    const fs = _memfs.Volume.fromJSON({})
+    const gitHttp = await import('isomorphic-git/http/node')
+    await git.clone({
+      fs,
+      http: gitHttp,
+      dir,
+      url: _params.repoUrl,
+      ref: _params.ref || 'main',
+    })
+    return fs.toJSON()
+  })
+
+  const fs = memfs.Volume.fromJSON(fsJson(params))
+  // todo: sync-ified version of `isomorphic-git` like in plv8-git
+  return {fs}
+}