50 lines
1.1 KiB
TypeScript
50 lines
1.1 KiB
TypeScript
import * as express from 'express'
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import { pseudoRandomBytes } from 'crypto'
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import { logger } from './logger'
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function badRequest (req: express.Request, res: express.Response, next: express.NextFunction) {
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res.type('json').status(400).end()
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}
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function generateRandomString (size: number, callback: (err: Error, randomString?: string) => void) {
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pseudoRandomBytes(size, function (err, raw) {
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if (err) return callback(err)
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callback(null, raw.toString('hex'))
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})
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}
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function createEmptyCallback () {
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return function (err) {
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if (err) logger.error('Error in empty callback.', { error: err })
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}
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}
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interface FormatableToJSON {
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toFormatedJSON ()
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}
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function getFormatedObjects<U, T extends FormatableToJSON> (objects: T[], objectsTotal: number) {
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const formatedObjects: U[] = []
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objects.forEach(function (object) {
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formatedObjects.push(object.toFormatedJSON())
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})
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return {
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total: objectsTotal,
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data: formatedObjects
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}
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}
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// ---------------------------------------------------------------------------
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export {
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badRequest,
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createEmptyCallback,
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generateRandomString,
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getFormatedObjects
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}
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