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Hydro/hydro/service/queue.js

28 lines
745 B
JavaScript

const q = {};
module.exports = {
async connect() { }, // eslint-disable-line no-empty-function
async assert(queue) {
q[queue] = q[queue] || [];
},
async push(queue, data) {
q[queue].push(data);
},
async get(queue, wait = true) {
if (wait) {
while (!q[queue].length) {
await new Promise((resolve) => { // eslint-disable-line no-await-in-loop
setTimeout(resolve, 100);
});
}
const data = q[queue][0];
q[queue].splice(0, 1);
return data;
}
if (!q[queue].length) return null;
const data = q[queue][0];
q[queue].splice(0, 1);
return data;
},
};