plotboilerplate
Version:
A simple javascript plotting boilerplate for 2d stuff.
57 lines • 1.75 kB
JavaScript
/**
* Approach to observe objects from other scripts to be initialized.
*
* @author Ikaros Kappler
* @date 2024-07-08
* @version 1.0.0
*/
export class InitializationObserver {
constructor(timeout, timeoutMessage) {
this._acceptRejectPairs = [];
this._timeoutMessage = timeoutMessage !== null && timeoutMessage !== void 0 ? timeoutMessage : null;
globalThis.setTimeout(() => {
var _a;
if (this._isInitialized) {
return; // NOOP
}
// else
if (!this._timeoutMessage) {
console.warn("Failed to initialize object. Reason unknown.");
}
this._fireReject((_a = this._timeoutMessage) !== null && _a !== void 0 ? _a : null);
}, timeout);
}
accept(value) {
if (this._isInitialized) {
return;
}
this._isInitialized = true;
this._initializedValue = value;
this._fireAccept(value);
}
_fireAccept(value) {
this._acceptRejectPairs.forEach(pair => {
pair.accept(value);
});
}
_fireReject(error) {
this._acceptRejectPairs.forEach(pair => {
pair.reject(error);
});
}
waitForInitialized() {
const _self = this;
// If the value is already present, then accept immediately
if (_self._isInitialized) {
return new Promise((accept, reject) => {
accept(_self._initializedValue);
});
}
else {
return new Promise((accept, reject) => {
_self._acceptRejectPairs.push({ accept, reject });
});
}
}
}
//# sourceMappingURL=InitializationObserver.js.map