42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
|
"use strict";
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
exports.isPromise = exports.maybeGetAsyncProperty = exports.roundRobinFactory = exports.idFactory = void 0;
|
||
|
|
function idFactory(start, step = 1, limit = 2 ** 32) {
|
||
|
|
let id = start;
|
||
|
|
return function nextId() {
|
||
|
|
const nextId = id;
|
||
|
|
id += step;
|
||
|
|
if (id >= limit)
|
||
|
|
id = start;
|
||
|
|
return nextId;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
exports.idFactory = idFactory;
|
||
|
|
function roundRobinFactory(list) {
|
||
|
|
let index = 0;
|
||
|
|
return () => {
|
||
|
|
const keys = [...list.keys()].sort();
|
||
|
|
if (index >= keys.length) {
|
||
|
|
index = 0;
|
||
|
|
}
|
||
|
|
return list.get(keys[index++]);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
exports.roundRobinFactory = roundRobinFactory;
|
||
|
|
async function maybeGetAsyncProperty(object) {
|
||
|
|
if (typeof object === "function") {
|
||
|
|
object = object();
|
||
|
|
}
|
||
|
|
if (isPromise(object)) {
|
||
|
|
object = await object;
|
||
|
|
}
|
||
|
|
return object;
|
||
|
|
}
|
||
|
|
exports.maybeGetAsyncProperty = maybeGetAsyncProperty;
|
||
|
|
function isPromise(obj) {
|
||
|
|
return (!!obj &&
|
||
|
|
(typeof obj === "object" || typeof obj === "function") &&
|
||
|
|
typeof obj.then === "function");
|
||
|
|
}
|
||
|
|
exports.isPromise = isPromise;
|