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TiddlyWiki5/core/modules/utils/pluginmaker.js

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/*\
title: $:/core/modules/utils/pluginmaker.js
type: application/javascript
module-type: utils
A quick and dirty way to pack up plugins within the browser.
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Repack a plugin, and then delete any non-shadow payload tiddlers
*/
exports.repackPlugin = function(title,additionalTiddlers,excludeTiddlers) {
additionalTiddlers = additionalTiddlers || [];
excludeTiddlers = excludeTiddlers || [];
// Get the plugin tiddler
var pluginTiddler = $tw.wiki.getTiddler(title);
if(!pluginTiddler) {
throw "No such tiddler as " + title;
}
// Extract the JSON
var jsonPluginTiddler;
try {
jsonPluginTiddler = JSON.parse(pluginTiddler.fields.text);
} catch(e) {
throw "Cannot parse plugin tiddler " + title + "\nError: " + e;
}
// Get the list of tiddlers
var tiddlers = Object.keys(jsonPluginTiddler.tiddlers);
// Add the additional tiddlers
$tw.utils.pushTop(tiddlers,additionalTiddlers);
// Remove any excluded tiddlers
for(var t=tiddlers.length-1; t>=0; t--) {
if(excludeTiddlers.indexOf(tiddlers[t]) !== -1) {
tiddlers.splice(t,1);
}
}
// Pack up the tiddlers into a block of JSON
var plugins = {};
$tw.utils.each(tiddlers,function(title) {
var tiddler = $tw.wiki.getTiddler(title),
fields = {};
$tw.utils.each(tiddler.fields,function (value,name) {
fields[name] = tiddler.getFieldString(name);
});
plugins[title] = fields;
});
// Retrieve and bump the version number
var pluginVersion = $tw.utils.parseVersion(pluginTiddler.getFieldString("version") || "0.0.0") || {
major: "0",
minor: "0",
patch: "0"
};
pluginVersion.patch++;
var version = pluginVersion.major + "." + pluginVersion.minor + "." + pluginVersion.patch;
if(pluginVersion.prerelease) {
version += "-" + pluginVersion.prerelease;
}
if(pluginVersion.build) {
version += "+" + pluginVersion.build;
}
// Save the tiddler
$tw.wiki.addTiddler(new $tw.Tiddler(pluginTiddler,{text: JSON.stringify({tiddlers: plugins},null,4), version: version}));
// Delete any non-shadow constituent tiddlers
$tw.utils.each(tiddlers,function(title) {
if($tw.wiki.tiddlerExists(title)) {
$tw.wiki.deleteTiddler(title);
}
});
// Trigger an autosave
$tw.rootWidget.dispatchEvent({type: "tm-auto-save-wiki"});
// Return a heartwarming confirmation
return "Plugin " + title + " successfully saved";
};
})();