@coding-blocks/jsonapi-server
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A config driven NodeJS framework implementing json:api
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<a href="../index.html">All files</a> / <a href="index.html">lib</a> rerouter.js
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<div class='fl pad1y space-right2'>
<span class="strong">18.03% </span>
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<span class='fraction'>11/61</span>
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<span class="strong">0% </span>
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<span class="strong">0% </span>
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<span class='fraction'>0/8</span>
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<span class="strong">19.3% </span>
<span class="quiet">Lines</span>
<span class='fraction'>11/57</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">'use strict'
const rerouter = module.exports = { }
const router = require('./router.js')
const debug = require('./debugging.js')
const jsonApi = require('./jsonApi.js')
const url = require('qs')
const _ = {
assign: require('lodash.assign'),
omit: require('lodash.omit')
}
rerouter.route = <span class="fstat-no" title="function not covered" >(n</span>ewRequest, callback) => {
const validRoutes = <span class="cstat-no" title="statement not covered" >router._routes[newRequest.method.toLowerCase()]</span>
const path = <span class="cstat-no" title="statement not covered" >rerouter._generateSanePath(newRequest)</span>
const route = <span class="cstat-no" title="statement not covered" >rerouter._pickFirstMatchingRoute(validRoutes, path)</span>
const req = <span class="cstat-no" title="statement not covered" >{</span>
url: newRequest.uri,
originalUrl: newRequest.originalRequest.originalUrl,
headers: newRequest.originalRequest.headers,
cookies: newRequest.originalRequest.cookies,
params: rerouter._mergeParams(url.parse(newRequest.uri.split('?')[1] || { }), newRequest.params)
}
<span class="cstat-no" title="statement not covered" > rerouter._extendUrlParamsOntoReq(route, path, req)</span>
<span class="cstat-no" title="statement not covered" > debug.reroute('Request', route, JSON.stringify(req))</span>
const res = <span class="cstat-no" title="statement not covered" >{</span>
set () { },
status (httpCode) {
<span class="cstat-no" title="statement not covered" > res.httpCode = httpCode</span>
<span class="cstat-no" title="statement not covered" > return res</span>
},
end (payload) {
const err = <span class="cstat-no" title="statement not covered" >null</span>
<span class="cstat-no" title="statement not covered" > if (res.httpCode >= 400) {</span>
<span class="cstat-no" title="statement not covered" > debug.reroute('Error', payload.toString())</span>
<span class="cstat-no" title="statement not covered" > return callback(JSON.parse(payload.toString()))</span>
}
<span class="cstat-no" title="statement not covered" > if (newRequest.method !== 'GET') {</span>
<span class="cstat-no" title="statement not covered" > debug.reroute('Response', payload.toString())</span>
}
const json = <span class="cstat-no" title="statement not covered" >JSON.parse(payload.toString())</span>
<span class="cstat-no" title="statement not covered" > return callback(err, json)</span>
}
}
<span class="cstat-no" title="statement not covered" > validRoutes[route](req, res, _.omit(newRequest.originalRequest, [ 'params', 'route' ]))</span>
}
rerouter._generateSanePath = <span class="fstat-no" title="function not covered" >ne</span>wRequest => {
let path = <span class="cstat-no" title="statement not covered" >newRequest.uri</span>
<span class="cstat-no" title="statement not covered" > if (path.match(/^https?:\/\//)) {</span>
<span class="cstat-no" title="statement not covered" > path = path.split('/').slice(3).join('/')</span>
}
<span class="cstat-no" title="statement not covered" > if (jsonApi._apiConfig.base !== '/') {</span>
<span class="cstat-no" title="statement not covered" > if (path[0] !== '/') <span class="cstat-no" title="statement not covered" >path = `/${path}`</span></span>
<span class="cstat-no" title="statement not covered" > path = path.split(jsonApi._apiConfig.base)</span>
<span class="cstat-no" title="statement not covered" > path.shift()</span>
<span class="cstat-no" title="statement not covered" > path = path.join(jsonApi._apiConfig.base)</span>
}
<span class="cstat-no" title="statement not covered" > path = path.replace(/^\//, '').split('?')[0].replace(/\/$/, '')</span>
<span class="cstat-no" title="statement not covered" > return path</span>
}
rerouter._pickFirstMatchingRoute = <span class="fstat-no" title="function not covered" >(v</span>alidRoutes, path) => <span class="cstat-no" title="statement not covered" >Object.keys(validRoutes).filter(<span class="fstat-no" title="function not covered" >so</span>meRoute => {</span>
<span class="cstat-no" title="statement not covered" > someRoute = someRoute.replace(/(:[a-z]+)/g, '[^/]*?')</span>
<span class="cstat-no" title="statement not covered" > someRoute = new RegExp(`^${someRoute}$`)</span>
<span class="cstat-no" title="statement not covered" > return someRoute.test(path)</span>
}).pop()
rerouter._extendUrlParamsOntoReq = <span class="fstat-no" title="function not covered" >(r</span>oute, path, req) => {
<span class="cstat-no" title="statement not covered" > route.split('/').forEach(<span class="fstat-no" title="function not covered" >(u</span>rlPart, i) => {</span>
<span class="cstat-no" title="statement not covered" > if (urlPart[0] !== ':') <span class="cstat-no" title="statement not covered" >return</span></span>
<span class="cstat-no" title="statement not covered" > req.params[urlPart.substring(1)] = path.split('/')[i]</span>
})
}
rerouter._mergeParams = <span class="fstat-no" title="function not covered" >(o</span>bjA, objB) => {
<span class="cstat-no" title="statement not covered" > if (!objB) <span class="cstat-no" title="statement not covered" >return objA</span></span>
<span class="cstat-no" title="statement not covered" > Object.keys(objA).forEach(<span class="fstat-no" title="function not covered" >so</span>meKey => {</span>
<span class="cstat-no" title="statement not covered" > if (!objB[someKey]) {</span>
<span class="cstat-no" title="statement not covered" > objB[someKey] = objA[someKey]</span>
<span class="cstat-no" title="statement not covered" > return</span>
}
const aString = <span class="cstat-no" title="statement not covered" >typeof objA[someKey] === 'string'</span>
const bString = <span class="cstat-no" title="statement not covered" >typeof objB[someKey] === 'string'</span>
<span class="cstat-no" title="statement not covered" > if (aString || bString) {</span>
<span class="cstat-no" title="statement not covered" > objB[someKey] = [ objA[someKey], objB[someKey] ]</span>
<span class="cstat-no" title="statement not covered" > return</span>
}
<span class="cstat-no" title="statement not covered" > objB[someKey] = rerouter._mergeParams(objA[someKey], objB[someKey])</span>
})
<span class="cstat-no" title="statement not covered" > return objB</span>
}
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