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TiddlyWiki5/core/modules/commands/render.js

71 lines
2.2 KiB
JavaScript

/*\
title: $:/core/modules/commands/render.js
type: application/javascript
module-type: command
Render individual tiddlers and save the results to the specified files
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var widget = require("$:/core/modules/widgets/widget.js");
exports.info = {
name: "render",
synchronous: true
};
var Command = function(params,commander,callback) {
this.params = params;
this.commander = commander;
this.callback = callback;
};
Command.prototype.execute = function() {
if(this.params.length < 1) {
return "Missing tiddler filter";
}
var self = this,
fs = require("fs"),
path = require("path"),
wiki = this.commander.wiki,
tiddlerFilter = this.params[0],
filenameFilter = this.params[1] || "[is[tiddler]addsuffix[.html]]",
type = this.params[2] || "text/html",
template = this.params[3],
variableList = this.params.slice(4),
tiddlers = wiki.filterTiddlers(tiddlerFilter),
variables = Object.create(null);
while(variableList.length >= 2) {
variables[variableList[0]] = variableList[1];
variableList = variableList.slice(2);
}
$tw.utils.each(tiddlers,function(title) {
var filenameResults = wiki.filterTiddlers(filenameFilter,$tw.rootWidget,wiki.makeTiddlerIterator([title]));
if(filenameResults.length > 0) {
var filepath = path.resolve(self.commander.outputPath,filenameResults[0]);
if(self.commander.verbose) {
console.log("Rendering \"" + title + "\" to \"" + filepath + "\"");
}
var parser = wiki.parseTiddler(template || title),
widgetNode = wiki.makeWidget(parser,{variables: $tw.utils.extend({},variables,{currentTiddler: title,storyTiddler: title})}),
container = $tw.fakeDocument.createElement("div");
widgetNode.render(container,null);
var text = type === "text/html" ? container.innerHTML : container.textContent;
$tw.utils.createFileDirectories(filepath);
fs.writeFileSync(filepath,text,"utf8");
} else {
console.log("Not rendering \"" + title + "\" because the filename filter returned an empty result");
}
});
return null;
};
exports.Command = Command;
})();