Revert "➖ Old Dependencies – Removing @tinacms/graphql-old and /datal…

…ayer-old" (#2255)

* Revert "➖ Old Dependencies – Removing @tinacms/graphql-old and /datalayer-old…"

This reverts commit 97c2257.

* Update graphql.ts

package.json

@@ -37,6 +37,8 @@
     "@react-three/fiber": "^8.16.8",
     "@tailwindcss/aspect-ratio": "^0.4.2",
     "@tinacms/auth": "1.0.6",
+    "@tinacms/datalayer-old": "npm:@tinacms/datalayer@0.2.3",
+    "@tinacms/graphql-old": "npm:@tinacms/graphql@0.60.0",
     "@typescript-eslint/eslint-plugin": "^5.42.0",
     "@typescript-eslint/parser": "^5.42.0",
     "@vercel/postgres": "^0.5.1",

pages/api/graphql.ts

@@ -0,0 +1,88 @@
+import * as datalayerPackage from '@tinacms/datalayer-old'
+import * as gqlPackage from '@tinacms/graphql-old'
+
+export default async function feedback(req, res) {
+  class InMemoryStore extends datalayerPackage.LevelStore {
+    public supportsSeeding() {
+      return true
+    }
+    public supportsIndexing() {
+      return false
+    }
+  }
+  class InMemoryBridge {
+    public rootPath: string
+    private mockFileSystem: { [filepath: string]: string } | undefined
+    private content: string
+    constructor(rootPath: string, content: string) {
+      this.rootPath = rootPath
+      this.mockFileSystem = mockFileSystem(content)
+      this.content = content
+    }
+    public glob = async (pattern: string) => {
+      return Object.keys(this.mockFileSystem).filter((key) =>
+        key.startsWith(pattern)
+      )
+    }
+
+    public delete = async (filepath: string) => {
+      const mockData = await this.getMockData()
+      delete mockData[filepath]
+    }
+
+    public get = async (filepath: string) => {
+      const mockData = await this.getMockData()
+      const value = mockData[filepath]
+      if (!value) {
+        throw new Error(`Unable to find record for ${filepath}`)
+      }
+      return value
+    }
+    public put = async (filepath: string, data: string) => {
+      const mockData = await this.getMockData()
+      this.mockFileSystem = { ...mockData, [filepath]: data }
+    }
+
+    public getMockData = async () => {
+      return this.mockFileSystem
+    }
+    public async putConfig(filepath: string, data: string) {
+      await this.put(filepath, data)
+    }
+    public supportsBuilding() {
+      return true
+    }
+  }
+
+  const mockFileSystem = (content: string) => ({
+    'posts/hello-world.md': content,
+    'authors/pedro.md': `---\nname: Pedro\navatar: https://images.unsplash.com/photo-1555959910-80920d0698a4?ixlib=rb-1.2.1&ixid=MXwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHw%3D&auto=format&fit=crop&w=1301&q=80\n---`,
+    'authors/napolean.md': `---\nname: Napolean\navatar: https://images.unsplash.com/photo-1606721977440-13e6c3a3505a?ixid=MXwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHw%3D&ixlib=rb-1.2.1&auto=format&fit=crop&w=344&q=80\n---`,
+  })
+  // @ts-ignore
+  const schema = JSON.parse(req.query.schema)
+  const database = await gqlPackage.createDatabase({
+    // @ts-ignore
+    bridge: new InMemoryBridge('', req.query.content),
+    // @ts-ignore
+    store: new InMemoryStore('', true),
+  })
+
+  const query = req.query.query
+  const variables = req.query.variables
+    ? // as string since this can be an array of strings (we're not using it that way)
+      JSON.parse(req.query.variables as string)
+    : {}
+  try {
+    await gqlPackage?.indexDB({ database, config: schema, buildSDK: false })
+    const result = await gqlPackage.resolve({
+      database,
+      query,
+      variables,
+    })
+    return res.json(result)
+  } catch (e) {
+    res.status(500)
+    return res.json({ errors: [{ message: e.message }] })
+  }
+}