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'use strict'
const encodings = new Set(['json', 'buffer', 'string'])
module.exports = mkrequest => (...args) => {
const statusCodes = new Set()
let method
let encoding
let headers
let baseurl = ''
args.forEach(arg => {
if (typeof arg === 'string') {
if (arg.toUpperCase() === arg) {
if (method) {
const msg = `Can't set method to ${arg}, already set to ${method}.`
throw new Error(msg)
} else {
method = arg
}
} else if (arg.startsWith('http:') || arg.startsWith('https:')) {
baseurl = arg
} else {
if (encodings.has(arg)) {
encoding = arg
} else {
throw new Error(`Unknown encoding, ${arg}`)
}
}
} else if (typeof arg === 'number') {
statusCodes.add(arg)
} else if (typeof arg === 'object') {
if (Array.isArray(arg) || arg instanceof Set) {
arg.forEach(code => statusCodes.add(code))
} else {
if (headers) {
throw new Error('Cannot set headers twice.')
}
headers = arg
}
} else {
throw new Error(`Unknown type: ${typeof arg}`)
}
})
if (!method) method = 'GET'
if (statusCodes.size === 0) {
statusCodes.add(200)
}
return mkrequest(statusCodes, method, encoding, headers, baseurl)
}
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