61 lines
1.7 KiB
JavaScript
61 lines
1.7 KiB
JavaScript
'use strict'
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module.exports = restEndpoint
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const _ = require('lodash')
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const urlTemplate = require('url-template')
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const addQueryParameters = require('./add-query-parameters')
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const extractUrlVariableNames = require('./extract-url-variable-names')
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const DEFAULTS = module.exports.DEFAULTS = require('./defaults')
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const NON_PARAMETERS = [
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'request',
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'baseUrl'
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]
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function restEndpoint (options) {
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options = _.defaultsDeep({}, options, DEFAULTS)
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let method = options.method
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let baseUrl = options.baseUrl
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let url = options.url
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let body = options.body
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let headers = options.headers
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let remainingOptions = _.omit(options, ['method', 'baseUrl', 'url', 'headers'])
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method = method.toLowerCase()
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headers = _.mapKeys(headers, (value, key) => key.toLowerCase())
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// replace :varname with {varname} to make it RFC 6570 compatible
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url = url.replace(/:(\w+)/g, '{+$1}')
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// extract variable names from URL to calculate remaining variables later
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const urlVariableNames = extractUrlVariableNames(url)
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url = urlTemplate.parse(url).expand(remainingOptions)
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if (!/^http/.test(url)) {
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url = (baseUrl) + url
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}
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const requestOptions = remainingOptions.request
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remainingOptions = _.omit(remainingOptions, _.intersection(Object.keys(options), urlVariableNames).concat(NON_PARAMETERS))
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if (method === 'get' || method === 'head') {
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url = addQueryParameters(url, remainingOptions)
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} else {
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if ('input' in remainingOptions) {
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body = remainingOptions.input
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} else {
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body = Object.keys(remainingOptions).length ? remainingOptions : undefined
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}
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}
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return Object.assign(requestOptions, {
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method,
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url,
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headers,
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body
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})
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}
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