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node-red/red/cli/lib/config.js

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/**
* Copyright 2014 IBM Corp.
*
* 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.
**/
var path = require("path");
var fs = require("fs");
var userHome = process.env.HOME || process.env.HOMEPATH || process.env.USERPROFILE;
var configDir = path.join(userHome,".nodered");
var configFile = path.join(configDir,"config.json");
var config;
function load() {
if (config == null) {
try {
config = JSON.parse(fs.readFileSync(configFile));
} catch(err) {
config = {};
}
}
}
function save() {
try {
fs.mkdirSync(configDir);
} catch(err) {
if (err.code != "EEXIST") {
throw err;
}
}
fs.writeFileSync(configFile,JSON.stringify(config,null,4));
}
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module.exports = {
unload: function() {
config = null;
}
};
module.exports.__defineGetter__('target',function() { load(); return config.target|| "http://localhost:1880" });
module.exports.__defineSetter__('target',function(v) { load(); config.target = v; save();});