overleaf/services/project-history/test/acceptance/js/helpers/ProjectHistoryApp.js

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// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
* decaffeinate suggestions:
* DS101: Remove unnecessary use of Array.from
* DS102: Remove unnecessary code created because of implicit returns
* DS205: Consider reworking code to avoid use of IIFEs
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
import { app } from '../../../../app/js/server.js'
import logger from '@overleaf/logger'
logger.logger.level('error')
let running = false
let initing = false
const callbacks = []
export function ensureRunning(callback) {
if (callback == null) {
callback = function () {}
}
if (running) {
return callback()
} else if (initing) {
return callbacks.push(callback)
}
initing = true
callbacks.push(callback)
app.listen(3054, '127.0.0.1', error => {
if (error != null) {
throw error
}
running = true
return (() => {
const result = []
for (callback of Array.from(callbacks)) {
result.push(callback())
}
return result
})()
})
}