sepehr
8d95f34fcc
- Add debounced state updates for title and content (500ms delay) - Immediate UI updates with delayed history saving - Prevent one-letter-per-undo issue - Add cleanup for debounce timers on unmount
43 lines
935 B
JavaScript
43 lines
935 B
JavaScript
var wrappy = require('wrappy')
|
|
module.exports = wrappy(once)
|
|
module.exports.strict = wrappy(onceStrict)
|
|
|
|
once.proto = once(function () {
|
|
Object.defineProperty(Function.prototype, 'once', {
|
|
value: function () {
|
|
return once(this)
|
|
},
|
|
configurable: true
|
|
})
|
|
|
|
Object.defineProperty(Function.prototype, 'onceStrict', {
|
|
value: function () {
|
|
return onceStrict(this)
|
|
},
|
|
configurable: true
|
|
})
|
|
})
|
|
|
|
function once (fn) {
|
|
var f = function () {
|
|
if (f.called) return f.value
|
|
f.called = true
|
|
return f.value = fn.apply(this, arguments)
|
|
}
|
|
f.called = false
|
|
return f
|
|
}
|
|
|
|
function onceStrict (fn) {
|
|
var f = function () {
|
|
if (f.called)
|
|
throw new Error(f.onceError)
|
|
f.called = true
|
|
return f.value = fn.apply(this, arguments)
|
|
}
|
|
var name = fn.name || 'Function wrapped with `once`'
|
|
f.onceError = name + " shouldn't be called more than once"
|
|
f.called = false
|
|
return f
|
|
}
|