From 4473d2e620f6650ca640e7f7605ee8d372a88ba1 Mon Sep 17 00:00:00 2001
From: briwa <shabriwa.shalat@gmail.com>
Date: Tue, 15 May 2018 23:26:09 +0800
Subject: [PATCH 1/3] fix: clone propsData to avoid mutation

---
 packages/create-instance/create-instance.js   |  2 +-
 test/specs/mounting-options/propsData.spec.js | 34 +++++++++++++++++++
 2 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 test/specs/mounting-options/propsData.spec.js

diff --git a/packages/create-instance/create-instance.js b/packages/create-instance/create-instance.js
index 6236fe243..80fa5594d 100644
--- a/packages/create-instance/create-instance.js
+++ b/packages/create-instance/create-instance.js
@@ -57,7 +57,7 @@ export default function createInstance (
 
   const Constructor = vue.extend(component)
 
-  const instanceOptions = { ...options }
+  const instanceOptions = { ...options, propsData : { ...options.propsData } }
   deleteoptions(instanceOptions)
   // $FlowIgnore
   const stubComponents = createComponentStubs(component.components, options.stubs)
diff --git a/test/specs/mounting-options/propsData.spec.js b/test/specs/mounting-options/propsData.spec.js
new file mode 100644
index 000000000..c3f7d889b
--- /dev/null
+++ b/test/specs/mounting-options/propsData.spec.js
@@ -0,0 +1,34 @@
+import { shallowMount } from '~vue/test-utils'
+import ComponentWithProps from '~resources/components/component-with-props.vue'
+import { describeIf } from '~resources/utils'
+
+const baseData = {
+  prop1: ['', '']
+}
+
+describeIf(process.env.TEST_ENV !== 'node',
+  'propsData', () => {
+    let wrapper
+
+    beforeEach(() => {
+      wrapper = shallowMount(ComponentWithProps, {
+        propsData : baseData,
+      })
+    })
+
+    afterEach(() => {
+      wrapper = null
+    })
+
+    describe('should not modify propsData between tests', () => {
+      it('should have the correct props after modifying', () => {
+        expect(wrapper.vm.prop1).to.have.length(2)
+        wrapper.setProps({ prop1: [] });
+        expect(wrapper.vm.prop1).to.have.length(0)
+      })
+
+      it('should have the default props despite being modified in the previous test', () => {
+        expect(wrapper.vm.prop1).to.have.length(2)
+      })
+    })
+  })

From 7e8b10289ad3b82440199292881e56f8ffbae79a Mon Sep 17 00:00:00 2001
From: briwa <shabriwa.shalat@gmail.com>
Date: Tue, 15 May 2018 23:44:15 +0800
Subject: [PATCH 2/3] refactor: linting

---
 packages/create-instance/create-instance.js   | 2 +-
 test/specs/mounting-options/propsData.spec.js | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/create-instance/create-instance.js b/packages/create-instance/create-instance.js
index 80fa5594d..49cc0889b 100644
--- a/packages/create-instance/create-instance.js
+++ b/packages/create-instance/create-instance.js
@@ -57,7 +57,7 @@ export default function createInstance (
 
   const Constructor = vue.extend(component)
 
-  const instanceOptions = { ...options, propsData : { ...options.propsData } }
+  const instanceOptions = { ...options, propsData: { ...options.propsData }}
   deleteoptions(instanceOptions)
   // $FlowIgnore
   const stubComponents = createComponentStubs(component.components, options.stubs)
diff --git a/test/specs/mounting-options/propsData.spec.js b/test/specs/mounting-options/propsData.spec.js
index c3f7d889b..6774b2cb1 100644
--- a/test/specs/mounting-options/propsData.spec.js
+++ b/test/specs/mounting-options/propsData.spec.js
@@ -12,7 +12,7 @@ describeIf(process.env.TEST_ENV !== 'node',
 
     beforeEach(() => {
       wrapper = shallowMount(ComponentWithProps, {
-        propsData : baseData,
+        propsData: baseData
       })
     })
 
@@ -23,7 +23,7 @@ describeIf(process.env.TEST_ENV !== 'node',
     describe('should not modify propsData between tests', () => {
       it('should have the correct props after modifying', () => {
         expect(wrapper.vm.prop1).to.have.length(2)
-        wrapper.setProps({ prop1: [] });
+        wrapper.setProps({ prop1: [] })
         expect(wrapper.vm.prop1).to.have.length(0)
       })
 

From 178f8ede2f7c507d602f36b09e0690f635ff9784 Mon Sep 17 00:00:00 2001
From: briwa <shabriwa.shalat@gmail.com>
Date: Wed, 16 May 2018 07:34:24 +0800
Subject: [PATCH 3/3] fix: flow type

---
 flow/options.flow.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/flow/options.flow.js b/flow/options.flow.js
index bff923149..6970b117b 100644
--- a/flow/options.flow.js
+++ b/flow/options.flow.js
@@ -1,5 +1,6 @@
 declare type Options = { // eslint-disable-line no-undef
     attachToDocument?: boolean,
+    propsData?: Object,
     mocks?: Object,
     methods?: Object,
     slots?: Object,