src/plugins/BIMServerLoaderPlugin/BIMServerClient/bimserverapipromise.js
/**
* @private
*/
export default class BimServerApiPromise {
constructor(counter = null) {
this.isDone = false;
this.chains = [];
this.callback = null;
this.counter = counter;
}
done(callback) {
if (this.isDone) {
callback();
} else {
if (this.callback != null) {
if (this.callback instanceof Array) {
this.callback.push(callback);
} else {
this.callback = [this.callback, callback];
}
} else {
this.callback = callback;
}
}
return this;
}
inc() {
if (this.counter == null) {
this.counter = 0;
}
this.counter++;
}
dec() {
if (this.counter == null) {
this.counter = 0;
}
this.counter--;
if (this.counter === 0) {
this.done = true;
this.fire();
}
}
fire() {
if (this.isDone) {
console.log("Promise already fired, not triggering again...");
return;
}
this.isDone = true;
if (this.callback != null) {
if (this.callback instanceof Array) {
this.callback.forEach((cb) => {
cb();
});
} else {
this.callback();
}
}
}
chain(otherPromise) {
let promises;
if (otherPromise instanceof Array) {
promises = otherPromise;
} else {
promises = [otherPromise];
}
promises.forEach((promise) => {
if (!promise.isDone) {
this.chains.push(promise);
promise.done(() => {
for (let i = this.chains.length - 1; i >= 0; i--) {
if (this.chains[i] == promise) {
this.chains.splice(i, 1);
}
}
if (this.chains.length === 0) {
this.fire();
}
});
}
});
if (this.chains.length === 0) {
this.fire();
}
}
}