[balance fetching] add remove gql files script (#115)

scripts/generateGraphqlExports/index.ts

@@ -1,5 +1,6 @@
 import path from 'path'
 
+import removeOldFiles from './removeOldFiles'
 import addGraphqlNamespace from './addGraphqlNamespace'
 import generateGraphqlQueryFiles from './generateGraphqlQueryFiles'
 
@@ -19,6 +20,7 @@ const endpoints = [
 
 try {
   endpoints.forEach(({ dir, types, client }) => {
+    removeOldFiles(dir)
     addGraphqlNamespace(types, client)
     generateGraphqlQueryFiles(dir, client)
   })

scripts/generateGraphqlExports/removeOldFiles.ts

@@ -0,0 +1,38 @@
+import fs from 'fs'
+import path from 'path'
+
+
+const removeOldFiles = (dirPath: string) => {
+  const gqlFolders = fs.readdirSync(dirPath).filter((dirName: string) => !dirName.includes('.'))
+
+  gqlFolders.forEach((gqlModelName: string) => {
+    const gqlModelDir = path.resolve(dirPath, gqlModelName)
+
+    const gqlFiles = fs.readdirSync(gqlModelDir)
+      .filter((fileName: string) => /\.graphql$/.test(fileName))
+
+    const typeFilesToRemove = fs.readdirSync(gqlModelDir)
+      .filter((fileName: string) => {
+        const isTypeFile = /\.graphql\.ts$/.test(fileName)
+        const hasGqlFile = gqlFiles.includes(fileName.replace(/\.ts$/, ''))
+
+        return isTypeFile && !hasGqlFile
+      })
+
+    if (gqlFiles.length) {
+      typeFilesToRemove.forEach((typeFileName: string) => {
+        const typeFile = path.resolve(gqlModelDir, typeFileName)
+
+        console.log('remove file', typeFile)
+        fs.rmSync(typeFile)
+      })
+    }
+    else {
+      console.log('remove dir', gqlModelDir)
+      fs.rmSync(gqlModelDir, { recursive: true })
+    }
+  })
+}
+
+
+export default removeOldFiles