69 lines
1.8 KiB
JavaScript
69 lines
1.8 KiB
JavaScript
// Metro module 89 (f90).
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import _classCallCheck from "./_classCallCheck";
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import _createClass from "./_createClass";
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import _classPrivateFieldBase from "./_classPrivateFieldBase";
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import _classPrivateFieldKey from "./_classPrivateFieldKey";
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let env91 = {};
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const c91_2 = _classPrivateFieldKey("registry");
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const EventEmitter = function EventEmitter() {
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_classCallCheck(this, EventEmitter);
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const r6 = Object;
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r6.defineProperty(this, c91_2, {
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writable: true,
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value: void 0
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});
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_classPrivateFieldBase(this, c91_2)[c91_2] = {};
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};
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export default _createClass(EventEmitter, [{
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key: "addListener",
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value: function addListener(a0, a1, a2) {
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if (typeof a1 !== "function") {
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throw new TypeError("EventEmitter.addListener(...): 2nd argument must be a function.");
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}
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const r12 = _classPrivateFieldBase(this, c91_2)[c91_2];
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let r13 = r12[a0];
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if (r13 == null) {
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const set = new Set();
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r12[a0] = set;
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r13 = set;
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}
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let c23567_1;
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let c23567_0 = r13;
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const r22 = {
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context: a2,
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listener: a1,
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remove: () => {
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c23567_0.delete(c23567_1);
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}
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};
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c23567_1 = r22;
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r13.add(r22);
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return r22;
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}
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}, {
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key: "emit",
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value: function emit(a0, ...args) {
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const r23 = _classPrivateFieldBase(this, c91_2)[c91_2][a0];
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if (r23 != null) {
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for (const item of Array.from(r23)) {
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item.listener.apply(item.context, args);
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}
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}
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}
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}, {
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key: "removeAllListeners",
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value: function removeAllListeners(a0) {
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if (a0 == null) {
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_classPrivateFieldBase(this, c91_2)[c91_2] = {};
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} else {
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delete _classPrivateFieldBase(this, c91_2)[c91_2][a0];
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}
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}
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}, {
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key: "listenerCount",
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value: function listenerCount(a0) {
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const r8 = _classPrivateFieldBase(this, c91_2)[c91_2][a0];
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return r8 == null ? 0 : r8.size;
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}
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}]);
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