github-mirrors/MagicMirror
1
0
Fork 0
mirror of https://github.com/MichMich/MagicMirror.git synced 2025-06-28 09:42:21 -04:00
Code Issues Projects Releases Packages Wiki Activity

Add requiresVersion property to module API.

Browse source
This commit is contained in:
Michael Teeuw 2016-10-13 16:42:15 +02:00
parent 15a5e3c779
commit 95edbc16bb
8 changed files with 169 additions and 52 deletions
Download patch file Download diff file Expand all files Collapse all files

37
js/app.js
View file

@ -10,6 +10,10 @@ var Server = require(__dirname + "/server.js");
var defaultModules = require(__dirname + "/../modules/default/defaultmodules.js");
var path = require("path");
// Get version number.
global.version = JSON.parse(fs.readFileSync("package.json", "utf8")).version;
console.log("Starting MagicMirror: v" + global.version);
// The next part is here to prevent a major exception when there
// is no internet connection. This could probable be solved better.
process.on("uncaughtException", function (err) {
@ -82,6 +86,17 @@ var App = function() {
if (loadModule) {
var Module = require(helperPath);
var m = new Module();
if (m.requiresVersion) {
console.log("Check MagicMirror version for node helper '" + moduleName + "' - Minimum version: " + m.requiresVersion + " - Current version: " + global.version);
if (cmpVersions(global.version, m.requiresVersion) >= 0) {
console.log("Version is ok!");
} else {
console.log("Version is incorrect. Skip module: '" + moduleName + "'");
return;
}
}
m.setName(moduleName);
m.setPath(path.resolve(moduleFolder));
nodeHelpers.push(m);
@ -103,6 +118,28 @@ var App = function() {
console.log("All module helpers loaded.");
};
/* cmpVersions(a,b)
* Compare two symantic version numbers and return the difference.
*
* argument a string - Version number a.
* argument a string - Version number b.
*/
function cmpVersions(a, b) {
var i, diff;
var regExStrip0 = /(\.0+)+$/;
var segmentsA = a.replace(regExStrip0, "").split(".");
var segmentsB = b.replace(regExStrip0, "").split(".");
var l = Math.min(segmentsA.length, segmentsB.length);
for (i = 0; i < l; i++) {
diff = parseInt(segmentsA[i], 10) - parseInt(segmentsB[i], 10);
if (diff) {
return diff;
}
}
return segmentsA.length - segmentsB.length;
}
/* start(callback)
* This methods starts the core app.
* It loads the config, then it loads all modules.