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signalfn.js
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signalfn.js
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'use strict';
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
module.exports = function () {
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
var signal = new (Function.prototype.bind.apply(Signal, [null].concat(args)))();
var add = function add() {
return signal.add.apply(signal, arguments);
};
Object.setPrototypeOf(add, signal);
return add;
};
module.exports.Signal = Signal;
var Signal = function () {
function Signal() {
_classCallCheck(this, Signal);
this.beforeFns = new Set();
this.duringFns = new Set();
this.afterFns = new Set();
this.add.apply(this, arguments);
}
_createClass(Signal, [{
key: 'after',
value: function after() {
var _this = this;
for (var _len2 = arguments.length, fns = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
fns[_key2] = arguments[_key2];
}
fns.forEach(function (fn) {
return _this.afterFns.add(fn);
});
return this;
}
}, {
key: 'add',
value: function add() {
var _this2 = this;
for (var _len3 = arguments.length, fns = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
fns[_key3] = arguments[_key3];
}
fns.forEach(function (fn) {
return _this2.duringFns.add(fn);
});
return this;
}
}, {
key: 'before',
value: function before() {
var _this3 = this;
for (var _len4 = arguments.length, fns = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
fns[_key4] = arguments[_key4];
}
fns.forEach(function (fn) {
return _this3.beforeFns.add(fn);
});
return this;
}
}, {
key: 'once',
value: function once() {
var _this4 = this;
for (var _len5 = arguments.length, fns = Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
fns[_key5] = arguments[_key5];
}
this.add.apply(this, _toConsumableArray(fns.map(function (fn) {
var onceFn = function onceFn() {
_this4.remove(onceFn);
return fn.apply(undefined, arguments);
};
return onceFn;
})));
return this;
}
}, {
key: 'remove',
value: function remove() {
var _this5 = this;
for (var _len6 = arguments.length, fns = Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
fns[_key6] = arguments[_key6];
}
if (!fns.length) {
this.beforeFns.clear();
this.duringFns.clear();
this.afterFns.clear();
return this;
}
fns.forEach(function (fn) {
_this5.beforeFns.delete(fn);
_this5.duringFns.delete(fn);
_this5.afterFns.delete(fn);
});
return this;
}
}, {
key: 'fire',
value: function fire() {
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = this.beforeFns[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var fn = _step.value;
fn.apply(undefined, arguments);
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator.return) {
_iterator.return();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
var _iteratorNormalCompletion2 = true;
var _didIteratorError2 = false;
var _iteratorError2 = undefined;
try {
for (var _iterator2 = this.duringFns[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
var _fn = _step2.value;
_fn.apply(undefined, arguments);
}
} catch (err) {
_didIteratorError2 = true;
_iteratorError2 = err;
} finally {
try {
if (!_iteratorNormalCompletion2 && _iterator2.return) {
_iterator2.return();
}
} finally {
if (_didIteratorError2) {
throw _iteratorError2;
}
}
}
var _iteratorNormalCompletion3 = true;
var _didIteratorError3 = false;
var _iteratorError3 = undefined;
try {
for (var _iterator3 = this.afterFns[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
var _fn2 = _step3.value;
_fn2.apply(undefined, arguments);
}
} catch (err) {
_didIteratorError3 = true;
_iteratorError3 = err;
} finally {
try {
if (!_iteratorNormalCompletion3 && _iterator3.return) {
_iterator3.return();
}
} finally {
if (_didIteratorError3) {
throw _iteratorError3;
}
}
}
return this;
}
}]);
return Signal;
}();