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Merged
tshemsedinov merged 2 commits into from
Jun 9, 2018
Merged

Add api proxy/stub auto building #1

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ab0a5a6
Add api proxy/stub auto building
tshemsedinov Jun 8, 2018
1283715
Simplify server for demo purposes
tshemsedinov Jun 9, 2018
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41 changes: 41 additions & 0 deletions JavaScript/5-api.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
'use strict';

const http = require('http');

const ajax = (base, methods) => {
const api = {};
for (const method of methods) {
api[method] = (...args) => {
const callback = args.pop();
const url = base + method + '/' + args.join('/');
console.log(url);
http.get(url, res => {
if (res.statusCode !== 200) {
callback(new Error(`Status Code: ${res.statusCode}`));
return;
}
const lines = [];
res.on('data', chunk => lines.push(chunk));
res.on('end', () => callback(null, JSON.parse(lines.join())));
});
};
}
return api;
};

// Usage

const api = ajax(
'http://localhost:8000/api/',
['user', 'userBorn']
);

api.user('marcus', (err, data) => {
if (err) throw err;
console.dir({ data });
});

api.userBorn('mao', (err, data) => {
if (err) throw err;
console.dir({ data });
});
21 changes: 21 additions & 0 deletions JavaScript/5-server.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
'use strict';

const http = require('http');

const users = {
marcus: { name: 'Marcus Aurelius', city: 'Rome', born: 121 },
mao: { name: 'Mao Zedong', city: 'Shaoshan', born: 1893 },
};

const routing = {
'/api/user': name => users[name],
'/api/userBorn': name => users[name].born
};

http.createServer((req, res) => {
const url = req.url.split('/');
const par = url.pop();
const method = routing[url.join('/')];
const result = method ? method(par) : { error: 'not found' };
res.end(JSON.stringify(result));
}).listen(8000);