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44 lines
1.1 KiB
44 lines
1.1 KiB
3 years ago
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'use strict'
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const { inherits, format } = require('util')
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function createError (code, message, statusCode = 500, Base = Error) {
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if (!code) throw new Error('Fastify error code must not be empty')
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if (!message) throw new Error('Fastify error message must not be empty')
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code = code.toUpperCase()
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function FastifyError (a, b, c) {
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if (!(this instanceof FastifyError)) {
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return new FastifyError(a, b, c)
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}
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Error.captureStackTrace(this, FastifyError)
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this.name = 'FastifyError'
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this.code = code
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// more performant than spread (...) operator
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if (a && b && c) {
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this.message = format(message, a, b, c)
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} else if (a && b) {
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this.message = format(message, a, b)
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} else if (a) {
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this.message = format(message, a)
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} else {
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this.message = message
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}
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this.statusCode = statusCode || undefined
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}
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FastifyError.prototype[Symbol.toStringTag] = 'Error'
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FastifyError.prototype.toString = function () {
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return `${this.name} [${this.code}]: ${this.message}`
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}
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inherits(FastifyError, Base)
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return FastifyError
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}
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module.exports = createError
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