From c94c52a31c98ca10a2671469fccca131bca56df0 Mon Sep 17 00:00:00 2001
From: SiDraw <sidraw.pi@gmail.com>
Date: Wed, 11 Apr 2018 12:16:27 +0800
Subject: [PATCH 1/3] let user can set section which should scrollto

---
 src/index.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/index.js b/src/index.js
index 4f92f4f..7e6788a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -33,6 +33,7 @@ export default function install (Vue, options) {
 
   options = Object.assign({
     allowNoActive: false,
+    sectionSelector: null,
     data: null,
     offset: 0,
     time: 200,
@@ -83,14 +84,15 @@ export default function install (Vue, options) {
     return 'default'
   }
 
-  function initScrollSections (el, selector) {
+  function initScrollSections (el) {
     const id = scrollSpyId(el)
-    const idScrollSections = findElements(el, selector)
+    const sectionEl = el[scrollSpyContext]
+    const idScrollSections = findElements(el, sectionEl.options.sectionSelector)
     scrollSpySections[id] = idScrollSections
 
     if (idScrollSections[0] && idScrollSections[0].offsetParent !== el) {
-      el[scrollSpyContext].eventEl = window
-      el[scrollSpyContext].scrollEl = bodyScrollEl
+      sectionEl.eventEl = window
+      sectionEl.scrollEl = bodyScrollEl
     }
   }
 

From 4a54abe64afe4a1640ac51e6602b16611d5ca2fa Mon Sep 17 00:00:00 2001
From: morning <wzl_911@qq.com>
Date: Mon, 16 Apr 2018 17:16:46 +0800
Subject: [PATCH 2/3] use sectionSelector from bind.value

---
 src/index.js | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/src/index.js b/src/index.js
index 7e6788a..8484cbb 100644
--- a/src/index.js
+++ b/src/index.js
@@ -84,15 +84,15 @@ export default function install (Vue, options) {
     return 'default'
   }
 
-  function initScrollSections (el) {
+  function initScrollSections (el, sectionSelector) {
     const id = scrollSpyId(el)
-    const sectionEl = el[scrollSpyContext]
-    const idScrollSections = findElements(el, sectionEl.options.sectionSelector)
+    const scrollSpyContext = el[scrollSpyContext]
+    const idScrollSections = findElements(el, sectionSelector)
     scrollSpySections[id] = idScrollSections
 
     if (idScrollSections[0] && idScrollSections[0].offsetParent !== el) {
-      sectionEl.eventEl = window
-      sectionEl.scrollEl = bodyScrollEl
+      scrollSpyContext.eventEl = window
+      scrollSpyContext.scrollEl = bodyScrollEl
     }
   }
 
@@ -196,18 +196,17 @@ export default function install (Vue, options) {
       scrollSpyElements[id] = el
     },
     inserted: function (el) {
-      initScrollSections(el)
-
-      const {eventEl, onScroll} = el[scrollSpyContext]
+      const {eventEl, onScroll, options: {sectionSelector}} = el[scrollSpyContext]
+      
+      initScrollSections(el, sectionSelector)
       eventEl.addEventListener('scroll', onScroll)
 
       onScroll()
     },
     componentUpdated: function (el) {
-      initScrollSections(el)
-
-      const {onScroll} = el[scrollSpyContext]
-
+      const {onScroll, options: {sectionSelector}} = el[scrollSpyContext]
+      
+      initScrollSections(el, sectionSelector)
       onScroll()
     },
     unbind: function (el) {

From ef910200d12117e02f1f43a5f0d911d13e55f1ab Mon Sep 17 00:00:00 2001
From: morning <wzl_911@qq.com>
Date: Mon, 16 Apr 2018 17:18:27 +0800
Subject: [PATCH 3/3] remove space

---
 src/index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/index.js b/src/index.js
index 8484cbb..c779b2a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -197,7 +197,7 @@ export default function install (Vue, options) {
     },
     inserted: function (el) {
       const {eventEl, onScroll, options: {sectionSelector}} = el[scrollSpyContext]
-      
+
       initScrollSections(el, sectionSelector)
       eventEl.addEventListener('scroll', onScroll)
 
@@ -205,7 +205,7 @@ export default function install (Vue, options) {
     },
     componentUpdated: function (el) {
       const {onScroll, options: {sectionSelector}} = el[scrollSpyContext]
-      
+
       initScrollSections(el, sectionSelector)
       onScroll()
     },