nats-micro
Version:
NATS micro compatible extra-lightweight microservice library
51 lines • 2.28 kB
JavaScript
;
var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var g = generator.apply(thisArg, _arguments || []), i, q = [];
return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }
function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
function fulfill(value) { resume("next", value); }
function reject(value) { resume("throw", value); }
function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.eventBucket = void 0;
function eventBucket() {
const queue = [];
// eslint-disable-next-line no-use-before-define
const iterate = bucket();
let next;
function bucket() {
return __asyncGenerator(this, arguments, function* bucket_1() {
while (true) {
yield yield __await(new Promise((res) => {
if (queue.length > 0) {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
res(queue.shift());
}
else
next = res;
}));
}
});
}
return Object.assign(Object.assign({}, iterate), { close() {
this.pushEvent({ done: true });
},
push(value) {
this.pushEvent({ value });
},
pushEvent(item) {
if (next) {
next(item);
next = undefined;
return;
}
queue.push(item);
} });
}
exports.eventBucket = eventBucket;
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