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base-event.js
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base-event.js
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var Delegator = require('dom-delegator')
module.exports = BaseEvent
function BaseEvent(lambda) {
return EventHandler;
function EventHandler(fn, data, opts) {
var handler = {
fn: fn,
data: data !== undefined ? data : {},
opts: opts || {},
handleEvent: handleEvent
}
if (fn && fn.type === 'dom-delegator-handle') {
return Delegator.transformHandle(fn,
handleLambda.bind(handler))
}
return handler;
}
function handleLambda(ev, broadcast) {
if (this.opts.startPropagation && ev.startPropagation) {
ev.startPropagation();
}
return lambda.call(this, ev, broadcast)
}
function handleEvent(ev) {
var self = this
if (self.opts.startPropagation && ev.startPropagation) {
ev.startPropagation()
}
lambda.call(self, ev, broadcast)
function broadcast(value) {
if (typeof self.fn === 'function') {
self.fn(value)
} else {
self.fn.write(value)
}
}
}
}