Allow serving old versions locally

packages/server/src/api/controllers/static/index.ts

@@ -2,11 +2,12 @@ import { InvalidFileExtensions } from "@budibase/shared-core"
 import AppComponent from "./templates/BudibaseApp.svelte"
 import { join } from "../../../utilities/centralPath"
 import * as uuid from "uuid"
-import { devClientVersion, ObjectStoreBuckets } from "../../../constants"
+import { ObjectStoreBuckets } from "../../../constants"
 import { processString } from "@budibase/string-templates"
 import {
   loadHandlebarsFile,
   NODE_MODULES_PATH,
+  shouldServeLocally,
   TOP_LEVEL_PATH,
 } from "../../../utilities/fileSystem"
 import env from "../../../environment"
@@ -257,25 +258,29 @@ export const serveBuilderPreview = async function (ctx: Ctx) {
 export const serveClientLibrary = async function (ctx: Ctx) {
   const version = ctx.request.query.version
 
+  if (Array.isArray(version)) {
+    ctx.throw(400)
+  }
+
   const appId = context.getAppId() || (ctx.request.query.appId as string)
   let rootPath = join(NODE_MODULES_PATH, "@budibase", "client", "dist")
   if (!appId) {
     ctx.throw(400, "No app ID provided - cannot fetch client library.")
   }
-  if (env.isProd() || (env.isDev() && version !== devClientVersion)) {
+
+  const serverLocally = shouldServeLocally(version || "")
+  if (!serverLocally) {
     ctx.body = await objectStore.getReadStream(
       ObjectStoreBuckets.APPS,
       objectStore.clientLibraryPath(appId!)
     )
     ctx.set("Content-Type", "application/javascript")
-  } else if (env.isDev() && version === devClientVersion) {
+  } else {
     // incase running from TS directly
     const tsPath = join(require.resolve("@budibase/client"), "..")
     return send(ctx, "budibase-client.js", {
       root: !fs.existsSync(rootPath) ? tsPath : rootPath,
     })
-  } else {
-    ctx.throw(500, "Unable to retrieve client library.")
   }
 }
 

packages/server/src/constants/index.ts

@@ -152,8 +152,6 @@ export enum AutomationErrors {
   FAILURE_CONDITION = "FAILURE_CONDITION_MET",
 }
 
-export const devClientVersion = "0.0.0"
-
 // pass through the list from the auth/core lib
 export const ObjectStoreBuckets = objectStore.ObjectStoreBuckets
 export const MAX_AUTOMATION_RECURRING_ERRORS = 5

packages/server/src/utilities/fileSystem/app.ts

@@ -1,8 +1,8 @@
 import { budibaseTempDir } from "../budibaseDir"
 import fs from "fs"
 import { join } from "path"
-import { ObjectStoreBuckets, devClientVersion } from "../../constants"
+import { ObjectStoreBuckets } from "../../constants"
-import { updateClientLibrary } from "./clientLibrary"
+import { shouldServeLocally, updateClientLibrary } from "./clientLibrary"
 import env from "../../environment"
 import { objectStore, context } from "@budibase/backend-core"
 import { TOP_LEVEL_PATH } from "./filesystem"
@@ -40,7 +40,7 @@ export const getComponentLibraryManifest = async (library: string) => {
     const db = context.getAppDB()
     const app = await db.get<App>(DocumentType.APP_METADATA)
 
-    if (app.version === devClientVersion || env.isTest()) {
+    if (shouldServeLocally(app.version) || env.isTest()) {
       const paths = [
         join(TOP_LEVEL_PATH, "packages/client", filename),
         join(process.cwd(), "client", filename),

packages/server/src/utilities/fileSystem/clientLibrary.ts

@@ -1,3 +1,4 @@
+import semver from "semver"
 import path, { join } from "path"
 import { ObjectStoreBuckets } from "../../constants"
 import fs from "fs"
@@ -183,3 +184,19 @@ export async function revertClientLibrary(appId: string) {
 
   return JSON.parse(await manifestSrc)
 }
+
+export function shouldServeLocally(version: string) {
+  if (env.isProd() || !env.isDev()) {
+    return false
+  }
+
+  if (version === "0.0.0") {
+    return true
+  }
+
+  const parsedSemver = semver.parse(version)
+  if (parsedSemver?.build?.[0] === "local") {
+    return true
+  }
+  return false
+}