fix: IntersectionObserver 对象方法 relativeTo relativeToViewport 支持链式调用

wjb12 · Jul 4, 2019 · 4f93c8f · 4f93c8f
1 parent e040aec
commit 4f93c8f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/core/service/api/create-intersection-observer.js b/src/core/service/api/create-intersection-observer.js
@@ -20,10 +20,12 @@ class MPIntersectionObserver {
   relativeTo (selector, margins) {
     this.options.relativeToSelector = selector
     this._makeRootMargin(margins)
+    return this
   }
   relativeToViewport (margins) {
     this.options.relativeToSelector = null
     this._makeRootMargin(margins)
+    return this
   }
   observe (selector, callback) {
     if (typeof callback !== 'function') {