avalon2
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an elegant efficient express mvvm framework
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<title>Code coverage report for directives/on.js</title>
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<a href="../index.html">all files</a> / <a href="index.html">directives/</a> on.js
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { avalon, inBrowser } from '../seed/core'
import { addScope, makeHandle } from '../parser/index'
avalon.directive('on', {
beforeInit: function() {
this.getter = avalon.noop
},
init: function() {
var vdom = this.node
var underline = this.name.replace('ms-on-', 'e').replace('-', '_')
var uuid = underline + '_' + this.expr.
replace(/\s/g, '').
replace(/[^$a-z]/ig, function(e) {
return e.charCodeAt(0)
})
var fn = avalon.eventListeners[uuid]
if (!fn) {
var arr = addScope(this.expr)
var body = arr[0],
filters = arr[1]
body = makeHandle(body)
if (filters) {
filters = filters.replace(/__value__/g, '$event')
filters += '\nif($event.$return){\n\treturn;\n}'
}
var ret = [
'try{',
'\tvar __vmodel__ = this;',
'\t' + filters,
'\treturn ' + body,
'}catch(e){avalon.log(e, "in on dir")}'
].filter(function(el) {
return /\S/.test(el)
})
fn = new Function('$event', ret.join('\n'))
fn.uuid = uuid
avalon.eventListeners[uuid] = fn
}
var dom = avalon.vdom(vdom, 'toDOM')
dom._ms_context_ = this.vm
this.eventType = this.param.replace(/\-(\d)$/, '')
delete this.param
avalon(dom).bind(this.eventType, fn)
},
beforeDispose: function() {
avalon(this.node.dom).unbind(this.eventType)
}
})</pre></td></tr>
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