webservices/node_modules/node-red-admin/lib/config.js

74 lines
2 KiB
JavaScript

/**
* Copyright OpenJS Foundation and other contributors, https://openjsf.org/
*
* 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.USERPROFILE || process.env.HOMEPATH || process.env.NODE_RED_HOME;
var configDir = path.join(userHome, ".node-red");
var configFile = path.join(configDir, ".cli-config.json");
var config;
function load() {
if (config === null || typeof config === "undefined") {
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));
}
module.exports = {
init: function(userDir) {
configDir = userDir;
configFile = path.join(configDir, ".cli-config.json");
},
unload: function() {
config = null;
}
};
var properties = [
{name:"target",default:"http://localhost:1880"},
{name:"tokens"}
];
properties.forEach(function(prop) {
module.exports[prop.name] = function(arg) {
load();
if (arg === undefined) {
return config[prop.name] || prop.default;
} else if (arg === null) {
delete config[prop.name];
} else {
config[prop.name] = arg;
}
save();
};
});