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class Die {
constructor(elt) {
this.elt = elt
this.value = '--'
this._boundRollHandler = this.rollHandler.bind(this)
this.disable()
}
get valueElt() {
if (this._valueElt === undefined) {
this._valueElt = this.elt.querySelector('.value')
}
return this._valueElt
}
get value() {
return this.valueElt.innerText
}
set value(val) {
this.valueElt.innerText = val
}
get button() {
if (this._button === undefined) {
this._button = this.elt.querySelector('button')
}
return this._button
}
enable() {
this.elt.classList.add('enabled')
this.elt.classList.remove('disabled')
this.button.disabled = false
this.button.addEventListener('click', this._boundRollHandler)
}
disable() {
this.elt.classList.add('disabled')
this.elt.classList.remove('enabled')
this.button.disabled = true
this.button.removeEventListener('click', this._boundRollHandler)
}
get onChanged() {
if (this._onChanged !== undefined) {
return this._onChanged
}
return () => {}
}
set onChanged(fn) {
this._onChanged = fn
}
rollHandler() {
this.value = Math.floor(Math.random() * Die.size) + 1
this.onChanged(this.value)
}
}
Die.size = 20
export default Die
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