96 lines
2.3 KiB
JavaScript
96 lines
2.3 KiB
JavaScript
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import http from 'http'
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import { URL } from 'url'
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// taken from isobject npm library
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function isObject(val) {
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return val != null && typeof val === 'object' && Array.isArray(val) === false
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}
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function defaults(options, def) {
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let out = { }
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if (options) {
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Object.keys(options || {}).forEach(key => {
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out[key] = options[key]
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if (Array.isArray(out[key])) {
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out[key] = out[key].map(item => {
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if (isObject(item)) return defaults(item)
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return item
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})
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} else if (out[key] && typeof out[key] === 'object') {
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out[key] = defaults(options[key], def && def[key])
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}
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})
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}
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if (def) {
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Object.keys(def).forEach(function(key) {
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if (typeof out[key] === 'undefined') {
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out[key] = def[key]
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}
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})
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}
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return out
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}
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export default function Client(port, opts) {
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this.options = defaults(opts, {})
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this.prefix = `http://localhost:${port}`
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}
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Client.prototype.customRequest = function(method = 'GET', path, body, options) {
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if (path.slice(0, 4) !== 'http') {
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path = this.prefix + path
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}
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let urlObj = new URL(path)
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return new Promise((resolve, reject) => {
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const opts = defaults(defaults(options, {
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method: method,
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timeout: 500,
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protocol: urlObj.protocol,
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username: urlObj.username,
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password: urlObj.password,
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host: urlObj.hostname,
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port: Number(urlObj.port),
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path: urlObj.pathname + urlObj.search,
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}))
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const req = http.request(opts)
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if (body) {
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req.write(body)
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}
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req.on('error', reject)
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req.on('timeout', function() { reject(new Error(`Request ${method} ${path} timed out`)) })
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req.on('response', res => {
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res.setEncoding('utf8')
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let output = ''
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res.on('data', function (chunk) {
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output += chunk.toString()
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})
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res.on('end', function () {
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try {
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output = JSON.parse(output)
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} catch (e) {
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return reject(new Error(`${e.message} while decoding: ${output}`))
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}
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if (output.status) {
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let err = new Error(`Request failed [${output.status}]: ${output.message}`)
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err.body = output
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return reject(err)
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}
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resolve(output)
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})
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})
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req.end()
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})
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}
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Client.prototype.get = function(path = '/') {
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return this.customRequest('GET', path, null)
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}
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