1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
'use strict';
const PORT = 4000;
function startFixtureServer() {
return require('child_process').fork('fixture/express', [PORT]);
}
function buildProxyMiddleware() {
return require('./middleware')(PORT);
}
function getProxyData(fixtureServerOptions, req, res, next) {
if (!fixtureServerOptions.serverProcess) {
fixtureServerOptions.serverProcess = startFixtureServer();
}
return fixtureServerOptions.proxy(req, res, next);
}
function wrapFixture(fixtureServerOptions, req, res, next) {
if (fixtureServerOptions.proxy) {
return getProxyData(fixtureServerOptions, req, res, next);
} else {
next();
}
}
module.exports = function fixture(options) {
let proxy;
if(options.enabled) {
proxy = buildProxyMiddleware();
}
let fixtureServerOptions = {
proxy,
serverProcess: null
};
(function startWatch() {
var nodeWatch = require('node-watch');
nodeWatch(['fixture/data', 'fixture/express.js'], function () {
if (fixtureServerOptions.proxy && fixtureServerOptions.serverProcess) {
fixtureServerOptions.serverProcess.kill();
fixtureServerOptions.serverProcess = startFixtureServer();
}
});
nodeWatch(['devConfig.json'], function () {
let devConfigDefaults = require('../devConfig.defaults');
require('fs').readFile('devConfig.json', (err, data) => {
if (err) throw err;
const config = Object.assign({}, devConfigDefaults, JSON.parse(data));
if (config.useFixture) {
fixtureServerOptions.proxy = proxy || buildProxyMiddleware();
}
else {
fixtureServerOptions.proxy = null;
if (fixtureServerOptions.serverProcess) {
fixtureServerOptions.serverProcess.kill();
fixtureServerOptions.serverProcess = null;
}
}
});
});
})();
return (req, res, next) => wrapFixture(fixtureServerOptions, req, res, next);
};
|
