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Code Issues Releases Wiki Activity

Separated out the version check to make it easier to test

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This commit is contained in:
Jeremy Ruston 2012-10-01 16:50:42 +01:00
parent 21c0ab2e4c
commit 70ac853d28
1 changed files with 34 additions and 26 deletions
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60
core/boot.js
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@ -76,32 +76,6 @@ $tw.crypto.sjcl = $tw.browser ? sjcl : require("./sjcl.js");
// Boot information
$tw.boot = {};
// Server initialisation
var fs, path, vm;
if(!$tw.browser) {
// Standard node libraries
fs = require("fs");
path = require("path");
vm = require("vm");
// System paths and filenames
$tw.boot.bootFile = path.basename(module.filename);
$tw.boot.bootPath = path.dirname(module.filename);
$tw.boot.wikiPath = process.cwd();
// Read package info
$tw.packageInfo = JSON.parse(fs.readFileSync($tw.boot.bootPath + "/../package.json"));
// Check node version number
var targetVersion = $tw.packageInfo.engine.node.substr(2).split("."),
currVersion = process.version.substr(1).split("."),
diff = [parseInt(targetVersion[0],10) - parseInt(currVersion[0],10),
parseInt(targetVersion[1],10) - parseInt(currVersion[1],10),
parseInt(targetVersion[2],10) - parseInt(currVersion[2],10)];
if((diff[0] > 0) ||
(diff[0] === 0 && diff[1] > 0) ||
(diff[0] === 0 && diff[1] === 0 && diff[2] > 0)) {
throw "TiddlyWiki5 requires node.js version " + $tw.packageInfo.engine.node;
}
}
// Modules store registers all the modules the system has seen
$tw.modules = $tw.modules || {};
$tw.modules.titles = $tw.modules.titles || {}; // hashmap by module title of {fn:, exports:, moduleType:}
@ -268,6 +242,40 @@ $tw.utils.resolvePath = function(sourcepath,rootpath) {
}
};
/*
Returns true if the `actual` version is greater than or equal to the `required` version. Both are in `x.y.` format.
*/
$tw.utils.checkVersions = function(required,actual) {
var targetVersion = required.split("."),
currVersion = actual.split("."),
diff = [parseInt(targetVersion[0],10) - parseInt(currVersion[0],10),
parseInt(targetVersion[1],10) - parseInt(currVersion[1],10),
parseInt(targetVersion[2],10) - parseInt(currVersion[2],10)];
return (diff[0] > 0) ||
(diff[0] === 0 && diff[1] > 0) ||
(diff[0] === 0 && diff[1] === 0 && diff[2] > 0);
};
/////////////////////////// Server initialisation
var fs, path, vm;
if(!$tw.browser) {
// Standard node libraries
fs = require("fs");
path = require("path");
vm = require("vm");
// System paths and filenames
$tw.boot.bootFile = path.basename(module.filename);
$tw.boot.bootPath = path.dirname(module.filename);
$tw.boot.wikiPath = process.cwd();
// Read package info
$tw.packageInfo = JSON.parse(fs.readFileSync($tw.boot.bootPath + "/../package.json"));
// Check node version number
if($tw.utils.checkVersions($tw.packageInfo.engine.node.substr(2),process.version.substr(1))) {
throw "TiddlyWiki5 requires node.js version " + $tw.packageInfo.engine.node;
}
}
/////////////////////////// Module mechanism
/*