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    <title>Code coverage report for src/scroll/pullup.js</title>
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      <a href="../../index.html">all files</a> / <a href="index.html">src/scroll/</a> pullup.js
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        <span class="strong">66.67% </span>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import { DIRECTION_UP, PROBE_REALTIME } from '../util/const'
&nbsp;
export function pullUpMixin(BScroll) {
  BScroll.prototype._initPullUp = function () {
    // must watch scroll in real time
    this.options.probeType = PROBE_REALTIME
&nbsp;
    this.pullupWatching = false
    this._watchPullUp()
  }
&nbsp;
  BScroll.prototype._watchPullUp = function () {
    <span class="missing-if-branch" title="if path not taken" >I</span>if (this.pullupWatching) {
<span class="cstat-no" title="statement not covered" >      return</span>
    }
    this.pullupWatching = true
    this.on('scroll', this._checkToEnd)
  }
&nbsp;
  BScroll.prototype._checkToEnd = function (pos) {
    const {threshold = 0} = this.options.pullUpLoad
    if (this.movingDirectionY === DIRECTION_UP &amp;&amp; pos.y &lt;= (this.maxScrollY + threshold)) {
      // reset pullupWatching status after scroll end.
      this.once('scrollEnd', () =&gt; {
        this.pullupWatching = false
      })
      this.trigger('pullingUp')
      this.off('scroll', this._checkToEnd)
    }
  }
&nbsp;
  BScroll.prototype.finishPullUp = function () {
    <span class="missing-if-branch" title="if path not taken" >I</span>if (this.pullupWatching) {
<span class="cstat-no" title="statement not covered" >      this.once('scrollEnd', () =&gt; <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" >        this._watchPullUp()</span>
      })
    } else {
      this._watchPullUp()
    }
  }
&nbsp;
  BScroll.prototype.openPullUp = function (config = true) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" >    this.options.pullUpLoad = config</span>
<span class="cstat-no" title="statement not covered" >    this._initPullUp()</span>
  }
&nbsp;
  BScroll.prototype.closePullUp = function () <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" >    this.options.pullUpLoad = false</span>
<span class="cstat-no" title="statement not covered" >    if (!this.pullupWatching) {</span>
<span class="cstat-no" title="statement not covered" >      return</span>
    }
<span class="cstat-no" title="statement not covered" >    this.pullupWatching = false</span>
<span class="cstat-no" title="statement not covered" >    this.off('scroll', this._checkToEnd)</span>
  }
}
&nbsp;</pre></td></tr>
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