From: Jesse van Assen <jesse.v.assen@gmail.com>
Date: Tue, 26 Oct 2021 14:34:14 +0000 (+0200)
Subject: fix(plugins): ensure plugins are used only once (#745)
X-Git-Tag: pinia@2.0.0~9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=150fdfc8abe2577046af947b2e4fbbde2efb057e;p=thirdparty%2Fvuejs%2Fpinia.git

fix(plugins): ensure plugins are used only once (#745)

Co-authored-by: Eduardo San Martin Morote <posva@users.noreply.github.com>
---

diff --git a/packages/pinia/__tests__/storePlugins.spec.ts b/packages/pinia/__tests__/storePlugins.spec.ts
index cc484b4f..e5ed8720 100644
--- a/packages/pinia/__tests__/storePlugins.spec.ts
+++ b/packages/pinia/__tests__/storePlugins.spec.ts
@@ -247,4 +247,19 @@ describe('store plugins', () => {
     store.n++
     expect(spy).toHaveBeenCalledTimes(1)
   })
+
+  it('only executes plugins once after multiple installs', async () => {
+    const pinia = createPinia()
+
+    const spy = jest.fn()
+    pinia.use(spy)
+
+    for (let i = 0; i < 3; i++) {
+      mount({ template: 'none' }, { global: { plugins: [pinia] } }).unmount()
+    }
+
+    useStore(pinia)
+
+    expect(spy).toHaveBeenCalledTimes(1)
+  })
 })
diff --git a/packages/pinia/src/createPinia.ts b/packages/pinia/src/createPinia.ts
index 20df76ef..4b362c6f 100644
--- a/packages/pinia/src/createPinia.ts
+++ b/packages/pinia/src/createPinia.ts
@@ -20,7 +20,7 @@ export function createPinia(): Pinia {
 
   let _p: Pinia['_p'] = []
   // plugins added before calling app.use(pinia)
-  const toBeInstalled: PiniaStorePlugin[] = []
+  let toBeInstalled: PiniaStorePlugin[] = []
 
   const pinia: Pinia = markRaw({
     install(app: App) {
@@ -36,6 +36,7 @@ export function createPinia(): Pinia {
           registerPiniaDevtools(app, pinia)
         }
         toBeInstalled.forEach((plugin) => _p.push(plugin))
+        toBeInstalled = []
       }
     },