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TiddlyWiki5/core/modules/commands/init.js

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/*\
title: $:/core/modules/commands/init.js
type: application/javascript
module-type: command
Command to initialise an empty wiki folder
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.info = {
name: "init",
synchronous: true
};
var Command = function(params,commander) {
this.params = params;
this.commander = commander;
};
Command.prototype.execute = function() {
var fs = require("fs"),
path = require("path");
// Check that we don't already have a valid wiki folder
if($tw.boot.wikiTiddlersPath || ($tw.utils.isDirectory($tw.boot.wikiPath) && !$tw.utils.isDirectoryEmpty($tw.boot.wikiPath))) {
return "Wiki folder is not empty";
}
// Loop through each of the specified editions
var editions = this.params.length > 0 ? this.params : ["empty"];
for(var editionIndex=0; editionIndex<editions.length; editionIndex++) {
var editionName = editions[editionIndex];
// Check the edition exists
var editionPath = $tw.findLibraryItem(editionName,$tw.getLibraryItemSearchPaths($tw.config.editionsPath,$tw.config.editionsEnvVar));
if(!$tw.utils.isDirectory(editionPath)) {
return "Edition '" + editionName + "' not found";
}
// Copy the edition content
var err = $tw.utils.copyDirectory(editionPath,$tw.boot.wikiPath);
if(!err) {
this.commander.streams.output.write("Copied edition '" + editionName + "' to " + $tw.boot.wikiPath + "\n");
} else {
return err;
}
}
// Tweak the tiddlywiki.info to remove any included wikis
var packagePath = $tw.boot.wikiPath + "/tiddlywiki.info",
packageJson = $tw.utils.parseJSONSafe(fs.readFileSync(packagePath));
delete packageJson.includeWikis;
fs.writeFileSync(packagePath,JSON.stringify(packageJson,null,$tw.config.preferences.jsonSpaces));
return null;
};
exports.Command = Command;
})();