43 lines
992 B
JavaScript
43 lines
992 B
JavaScript
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const crypto = require('crypto')
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class HttpError extends Error {
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constructor(status, message) {
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super(message)
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this.status = status
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}
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}
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function uid(prefix) {
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return `${prefix}${Date.now().toString(36)}${crypto.randomBytes(2).toString('hex')}`
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}
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function token() {
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return crypto.randomBytes(24).toString('hex')
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}
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function ok(res, data) {
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res.json({ ok: true, data })
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}
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function fail(res, status, message) {
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res.status(status).json({ ok: false, message })
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}
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// Express 4 does not forward rejected promises to the error handler.
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function wrap(handler) {
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return (req, res, next) => Promise.resolve(handler(req, res, next)).catch(next)
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}
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function str(value, max) {
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const text = value == null ? '' : String(value).trim()
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return max ? text.slice(0, max) : text
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}
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function has(body, key) {
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return Object.prototype.hasOwnProperty.call(body || {}, key)
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}
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const PHONE_RE = /^1\d{10}$/
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module.exports = { HttpError, uid, token, ok, fail, wrap, str, has, PHONE_RE }
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