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Add @stick Event #37

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Add @stick Event #37

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0bd410e
emit actual event
rezemble Jul 15, 2020
1467ef3
actually name the event...
rezemble Jul 15, 2020
93d61a0
Events work differently in directives
rezemble Jul 15, 2020
46560f3
Update README.md
rezemble Jul 15, 2020
1fe87c3
Update README.md
rezemble Jul 15, 2020
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7 changes: 5 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -44,15 +44,18 @@ Use `v-sticky` directive to enable element postion sticky, and use `sticky-*` at
* `on-stick` _(function)_ - callback when sticky and release, receiveing 1 argument with object indicating the state, like:

```javascript
// The element is sticked on top
// The element is stuck on top
{
bottom: false,
top: true,
sticked: true
}
```

An expression that evaluates to false set on `v-sticky` can be used to disable stickiness condtionally.
# Events
* `@stick` - Same as `on-stick`-callback, but as an event

An expression that evaluates to false set on `v-sticky` can be used to disable stickiness conditionally.

```HTML
<div sticky-container>
Expand Down
9 changes: 5 additions & 4 deletions src/sticky.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,9 +23,10 @@ const batchStyle = (el, style = {}, className = {}) => {
};

class Sticky {
constructor(el, vm) {
constructor(el, vm, vnode) {
this.el = el;
this.vm = vm;
this.vnode = vnode;
this.unsubscribers = [];
this.isPending = false;
this.state = {
Expand Down Expand Up @@ -132,7 +133,6 @@ class Sticky {

fireEvents() {
if (
typeof this.options.onStick === 'function' &&
(this.lastState.top !== this.state.isTopSticky ||
this.lastState.bottom !== this.state.isBottomSticky ||
this.lastState.sticked !==
Expand All @@ -143,7 +143,8 @@ class Sticky {
bottom: this.state.isBottomSticky,
sticked: this.state.isBottomSticky || this.state.isTopSticky,
};
this.options.onStick(this.lastState);
if (typeof this.options.onStick === 'function') this.options.onStick(this.lastState);
if (this.vnode.data && this.vnode.data.on && this.vnode.data.on.stick) this.vnode.data.on.stick(this.lastState)
}
}

Expand Down Expand Up @@ -273,7 +274,7 @@ class Sticky {
export default {
inserted(el, bind, vnode) {
if (typeof bind.value === 'undefined' || bind.value) {
el[namespace] = new Sticky(el, vnode.context);
el[namespace] = new Sticky(el, vnode.context, vnode);
el[namespace].doBind();
}
},
Expand Down