fix: 🐛 prisma-client prisma-client 监听DATABASE_URL，改变重新实例化

✅ Closes: #102
meetqy · Mar 9, 2023 · 7a4810a · 7a4810a
1 parent 20a0ff0
commit 7a4810a
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Showing 5 changed files with 27 additions and 8 deletions.
diff --git a/lerna.json b/lerna.json
@@ -4,6 +4,6 @@
   "useWorkspaces": true,
   "version": "independent",
   "publish": {
-    "ignoreChanges": ["ignored-file", "*.md"]
+    "ignoreChanges": ["ignored-file", "*.md", "example/*.ts"]
   }
 }
diff --git a/packages/prisma-client/README.md b/packages/prisma-client/README.md
@@ -2,8 +2,4 @@
 
 ## Useage
 
-```shell
-npx prisma migrate dev --name init
-```
-
-If sqlite database exist in you local, please use `npx prisma db push`.
+Read [@eagleuse/eagleuse](https://www.npmjs.com/package/@eagleuse/eagleuse).
diff --git a/packages/prisma-client/lib/index.ts b/packages/prisma-client/lib/index.ts
@@ -1,9 +1,24 @@
 import { PrismaClient } from "@prisma/client";
+import _ from "lodash";
 export * from "@prisma/client";
+import chokidar from "chokidar";
 
 let prisma: PrismaClient;
+let watchDBFile = false;
+
+const updatePrismaClient = _.debounce(() => {
+  prisma.$disconnect();
+  prisma = new PrismaClient();
+}, 5000);
 
 export const getPrisma = () => {
+  const { DATABASE_URL } = process.env;
+  if (DATABASE_URL && !watchDBFile) {
+    chokidar.watch(DATABASE_URL.replace("file:", "").split("db")[0] + "db").on("change", updatePrismaClient);
+
+    watchDBFile = true;
+  }
+
   if (!prisma) {
     prisma = new PrismaClient();
   }

diff --git a/packages/prisma-client/package.json b/packages/prisma-client/package.json
@@ -33,6 +33,8 @@
   },
   "dependencies": {
     "@prisma/client": "^4.10.1",
+    "chokidar": "^3.5.3",
+    "lodash": "^4.17.21",
     "prisma": "^4.10.1"
   },
   "main": "./dist/index.js",
@@ -44,5 +46,9 @@
       "require": "./dist/index.js"
     }
   },
-  "gitHead": "90d70b524804295a65079e065f1edc16cc70833b"
+  "gitHead": "90d70b524804295a65079e065f1edc16cc70833b",
+  "devDependencies": {
+    "@types/lodash": "^4.14.191",
+    "@types/node": "^18.14.6"
+  }
 }
diff --git a/packages/prisma-client/vite.config.ts b/packages/prisma-client/vite.config.ts
@@ -21,11 +21,13 @@ export default defineConfig({
     },
     rollupOptions: {
       // 确保外部化处理那些你不想打包进库的依赖
-      external: ["prisma", "@prisma/client"],
+      external: ["prisma", "@prisma/client", "lodash", "chokidar"],
       output: {
         // 在 UMD 构建模式下为这些外部化的依赖提供一个全局变量
         globals: {
           prisma: "prisma",
+          lodash: "_",
+          chokidar: "chokidar",
           "@prisma/client": "PrismaClient",
         },
       },