curvature
Version:
218 lines (217 loc) • 11.3 kB
JavaScript
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.EventTargetMixin = void 0;
var _Mixin = require("../base/Mixin");
var _EventTargetMixin;
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
var EventTargetParent = Symbol('EventTargetParent');
var CallHandler = Symbol('CallHandler');
var Capture = Symbol('Capture');
var Bubble = Symbol('Bubble');
var Target = Symbol('Target');
var HandlersBubble = Symbol('HandlersBubble');
var HandlersCapture = Symbol('HandlersCapture');
var EventTargetMixin = (_EventTargetMixin = {}, _defineProperty(_EventTargetMixin, _Mixin.Mixin.Constructor, function () {
this[HandlersCapture] = new Map();
this[HandlersBubble] = new Map();
}), _defineProperty(_EventTargetMixin, "dispatchEvent", function dispatchEvent() {
var _this = this;
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
var event = args[0];
if (typeof event === 'string') {
event = new CustomEvent(event);
args[0] = event;
}
event.cvPath = event.cvPath || [];
event.cvTarget = event.cvCurrentTarget = this;
var result = this[Capture].apply(this, args);
if (event.cancelable && (result === false || event.cancelBubble)) {
return result;
}
var handlers = [];
if (this[HandlersCapture].has(event.type)) {
var handlerMap = this[HandlersCapture].get(event.type);
var newHandlers = _toConsumableArray(handlerMap);
newHandlers.forEach(function (h) {
return h.push(handlerMap);
});
handlers.push.apply(handlers, _toConsumableArray(newHandlers));
}
if (this[HandlersBubble].has(event.type)) {
var _handlerMap = this[HandlersBubble].get(event.type);
var _newHandlers = _toConsumableArray(_handlerMap);
_newHandlers.forEach(function (h) {
return h.push(_handlerMap);
});
handlers.push.apply(handlers, _toConsumableArray(_newHandlers));
}
handlers.push([function () {
return _this[CallHandler].apply(_this, args);
}, {}, null]);
for (var _i = 0, _handlers = handlers; _i < _handlers.length; _i++) {
var _handlers$_i = _slicedToArray(_handlers[_i], 3),
handler = _handlers$_i[0],
options = _handlers$_i[1],
map = _handlers$_i[2];
if (options.once) {
map["delete"](handler);
}
result = handler(event);
if (event.cancelable && result === false) {
break;
}
}
if (!event.cancelable || !event.cancelBubble && result !== false) {
this[Bubble].apply(this, args);
}
if (!this[EventTargetParent]) {
Object.freeze(event.cvPath);
}
return event.returnValue;
}), _defineProperty(_EventTargetMixin, "addEventListener", function addEventListener(type, callback) {
var _this2 = this;
var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
if (options === true) {
options = {
useCapture: true
};
}
var handlers = HandlersBubble;
if (options.useCapture) {
handlers = HandlersCapture;
}
if (!this[handlers].has(type)) {
this[handlers].set(type, new Map());
}
this[handlers].get(type).set(callback, options);
if (options.signal) {
options.signal.addEventListener('abort', function (event) {
return _this2.removeEventListener(type, callback, options);
}, {
once: true
});
}
}), _defineProperty(_EventTargetMixin, "removeEventListener", function removeEventListener(type, callback) {
var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
if (options === true) {
options = {
useCapture: true
};
}
var handlers = HandlersBubble;
if (options.useCapture) {
handlers = HandlersCapture;
}
if (!this[handlers].has(type)) {
return;
}
this[handlers].get(type)["delete"](callback);
}), _defineProperty(_EventTargetMixin, Capture, function () {
var _this$EventTargetPare;
var event = arguments.length <= 0 ? undefined : arguments[0];
event.cvPath.push(this);
if (!this[EventTargetParent]) {
return;
}
var result = (_this$EventTargetPare = this[EventTargetParent])[Capture].apply(_this$EventTargetPare, arguments);
if (event.cancelable && (result === false || event.cancelBubble)) {
return;
}
if (!this[EventTargetParent][HandlersCapture].has(event.type)) {
return;
}
event.cvCurrentTarget = this[EventTargetParent];
var type = event.type;
var handlers = this[EventTargetParent][HandlersCapture].get(type);
var _iterator = _createForOfIteratorHelper(handlers),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var _step$value = _slicedToArray(_step.value, 2),
handler = _step$value[0],
options = _step$value[1];
if (options.once) {
handlers["delete"](handler);
}
result = handler(event);
if (event.cancelable && (result === false || event.cancelBubble)) {
break;
}
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
return result;
}), _defineProperty(_EventTargetMixin, Bubble, function () {
var _this$EventTargetPare3, _this$EventTargetPare4;
var event = arguments.length <= 0 ? undefined : arguments[0];
if (!event.bubbles || !this[EventTargetParent] || event.cancelBubble) {
return;
}
if (!this[EventTargetParent][HandlersBubble].has(event.type)) {
var _this$EventTargetPare2;
return (_this$EventTargetPare2 = this[EventTargetParent])[Bubble].apply(_this$EventTargetPare2, arguments);
}
var result;
event.cvCurrentTarget = this[EventTargetParent];
var type = event.type;
var handlers = this[EventTargetParent][HandlersBubble].get(event.type);
var _iterator2 = _createForOfIteratorHelper(handlers),
_step2;
try {
for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
var _step2$value = _slicedToArray(_step2.value, 2),
handler = _step2$value[0],
options = _step2$value[1];
if (options.once) {
handlers["delete"](handler);
}
result = handler(event);
if (event.cancelable && result === false) {
return result;
}
}
} catch (err) {
_iterator2.e(err);
} finally {
_iterator2.f();
}
result = (_this$EventTargetPare3 = this[EventTargetParent])[CallHandler].apply(_this$EventTargetPare3, arguments);
if (event.cancelable && (result === false || event.cancelBubble)) {
return result;
}
return (_this$EventTargetPare4 = this[EventTargetParent])[Bubble].apply(_this$EventTargetPare4, arguments);
}), _defineProperty(_EventTargetMixin, CallHandler, function () {
var event = arguments.length <= 0 ? undefined : arguments[0];
if (event.defaultPrevented) {
return;
}
var defaultHandler = "on".concat(event.type[0].toUpperCase() + event.type.slice(1));
if (typeof this[defaultHandler] === 'function') {
return this[defaultHandler](event);
}
}), _EventTargetMixin);
exports.EventTargetMixin = EventTargetMixin;
Object.defineProperty(EventTargetMixin, 'Parent', {
value: EventTargetParent
});