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TiddlyWiki5/core/modules/startup/info.js

59 lines
1.9 KiB
JavaScript

/*\
title: $:/core/modules/startup/info.js
type: application/javascript
module-type: startup
Initialise $:/info tiddlers via $:/temp/info-plugin pseudo-plugin
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
// Export name and synchronous status
exports.name = "info";
exports.before = ["startup"];
exports.after = ["load-modules"];
exports.synchronous = true;
var TITLE_INFO_PLUGIN = "$:/temp/info-plugin";
exports.startup = function() {
// Function to bake the info plugin with new tiddlers
var updateInfoPlugin = function(tiddlerFieldsArray) {
// Get the existing tiddlers
var json = $tw.wiki.getTiddlerData(TITLE_INFO_PLUGIN,{tiddlers: {}});
// Add the new ones
$tw.utils.each(tiddlerFieldsArray,function(fields) {
if(fields && fields.title) {
json.tiddlers[fields.title] = fields;
}
});
// Bake the info tiddlers into a plugin. We use the non-standard plugin-type "info" because ordinary plugins are only registered asynchronously after being loaded dynamically
var fields = {
title: TITLE_INFO_PLUGIN,
type: "application/json",
"plugin-type": "info",
text: JSON.stringify(json,null,$tw.config.preferences.jsonSpaces)
};
$tw.wiki.addTiddler(new $tw.Tiddler(fields));
};
// Collect up the info tiddlers
var tiddlerFieldsArray = [];
// Give each info module a chance to provide as many info tiddlers as they want as an array, and give them a callback for dynamically updating them
$tw.modules.forEachModuleOfType("info",function(title,moduleExports) {
if(moduleExports && moduleExports.getInfoTiddlerFields) {
Array.prototype.push.apply(tiddlerFieldsArray,moduleExports.getInfoTiddlerFields(updateInfoPlugin));
}
});
updateInfoPlugin(tiddlerFieldsArray);
var changes = $tw.wiki.readPluginInfo([TITLE_INFO_PLUGIN]);
$tw.wiki.registerPluginTiddlers("info",[TITLE_INFO_PLUGIN]);
$tw.wiki.unpackPluginTiddlers();
};
})();