4 * Copyright (C) 2018 Nick Downing <nick@ndcode.org>
5 * SPDX-License-Identifier: MIT
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to
9 * deal in the Software without restriction, including without limitation the
10 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
11 * sell copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
26 // must load index first, to avoid circular dependency issue
27 let jst_server = require('./index')
29 let JSTCache = require('@ndcode/jst_cache')
30 let Resources = require('./Resources')
31 let Server = require('./Server')
35 let resources = new Resources()
36 let jst_cache = await resources.ref(
38 async () => new JSTCache('.', {_jst_server: jst_server}, true)
40 let server = undefined
42 // refresh the config immediately, then every 1 second,
43 // use setTimeout() instead of setInterval() to avoid bunches
44 // of calls after the computer has been suspended for a while
45 let refresh_config = async () => {
47 let config = await jst_cache.get('_config/server.jst', true)
48 if (config !== undefined) {
49 let prev_server = server
50 let new_server = await config(resources, prev_server)
51 await new_server.start() // exception here cancels server change
53 if (prev_server !== undefined)
54 await prev_server.stop() // exception here doesn't cancel change
59 console.error(err.stack || err.message)
61 setTimeout(refresh_config, 1000)
62 // returned Promise will be ignored