84 lines
4.5 KiB
JavaScript
84 lines
4.5 KiB
JavaScript
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var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
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if (kind === "m") throw new TypeError("Private method is not writable");
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if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
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if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
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return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
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};
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var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
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if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
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if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
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return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
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};
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var _Signal_instances, _Signal_listeners, _Signal_reason, _Signal_timer, _Signal_invalidate, _Signal_makeError;
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import { logger } from "./logger.js";
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export class Signal {
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constructor(_timeout) {
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_Signal_instances.add(this);
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_Signal_listeners.set(this, void 0);
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_Signal_reason.set(this, void 0);
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_Signal_timer.set(this, void 0);
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__classPrivateFieldSet(this, _Signal_listeners, [], "f");
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__classPrivateFieldSet(this, _Signal_reason, null, "f");
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__classPrivateFieldSet(this, _Signal_timer, null, "f");
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if (_timeout != null) {
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__classPrivateFieldSet(this, _Signal_timer, setTimeout(() => {
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__classPrivateFieldGet(this, _Signal_instances, "m", _Signal_invalidate).call(this, "timeout");
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}, logger.getNumber(_timeout, "timeout")), "f");
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if (__classPrivateFieldGet(this, _Signal_timer, "f").unref) {
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__classPrivateFieldGet(this, _Signal_timer, "f").unref();
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}
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}
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}
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// Whether the Signal has been invalidated; if true, any newly added
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// llistener will immediately receive a "invalidated" event
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get invalidated() { return (__classPrivateFieldGet(this, _Signal_reason, "f") === "invalidated"); }
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// Sends a "cancel" signal to all listeners
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cancel() {
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return __classPrivateFieldGet(this, _Signal_instances, "m", _Signal_invalidate).call(this, "cancel");
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}
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invalidate() {
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return __classPrivateFieldGet(this, _Signal_instances, "m", _Signal_invalidate).call(this, "invalidated");
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}
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addListener(listener) {
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__classPrivateFieldGet(this, _Signal_listeners, "f").push(listener);
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if (__classPrivateFieldGet(this, _Signal_reason, "f")) {
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try {
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setTimeout(() => {
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listener.call(this, __classPrivateFieldGet(this, _Signal_reason, "f"), __classPrivateFieldGet(this, _Signal_instances, "m", _Signal_makeError).call(this));
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}, 0);
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}
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catch (error) { }
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}
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return this;
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}
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removeListener(listener) {
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const index = __classPrivateFieldGet(this, _Signal_listeners, "f").indexOf(listener);
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if (index >= 0) {
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__classPrivateFieldGet(this, _Signal_listeners, "f").splice(index, 1);
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}
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return this;
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}
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}
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_Signal_listeners = new WeakMap(), _Signal_reason = new WeakMap(), _Signal_timer = new WeakMap(), _Signal_instances = new WeakSet(), _Signal_invalidate = function _Signal_invalidate(reason) {
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if (__classPrivateFieldGet(this, _Signal_reason, "f")) {
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return false;
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}
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if (__classPrivateFieldGet(this, _Signal_timer, "f") != null) {
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clearTimeout(__classPrivateFieldGet(this, _Signal_timer, "f"));
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}
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__classPrivateFieldSet(this, _Signal_reason, reason, "f");
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if (reason !== "invalidated") {
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const listeners = __classPrivateFieldGet(this, _Signal_listeners, "f").slice();
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listeners.forEach((listener) => {
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try {
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listener.call(this, reason, __classPrivateFieldGet(this, _Signal_instances, "m", _Signal_makeError).call(this));
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}
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catch (error) { }
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});
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}
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return true;
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}, _Signal_makeError = function _Signal_makeError() {
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const reason = __classPrivateFieldGet(this, _Signal_reason, "f") || "unknown";
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return logger.makeError(reason, "TIMEOUT", { operation: "signal", reason });
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};
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//# sourceMappingURL=signal.js.map
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