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https://github.com/Jermolene/TiddlyWiki5
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42 lines
887 B
JavaScript
42 lines
887 B
JavaScript
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/*\
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title: $:/core/modules/commands/help.js
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type: application/javascript
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module-type: command
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Help command
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\*/
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(function(){
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/*jshint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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exports.info = {
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name: "help",
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synchronous: true
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};
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var Command = function(params,commander) {
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this.params = params;
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this.commander = commander;
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};
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Command.prototype.execute = function() {
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var subhelp = this.params[0] || "default",
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helpBase = "$:/language/Help/",
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text;
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if(!this.commander.wiki.getTiddler(helpBase + subhelp)) {
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subhelp = "notfound";
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}
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// Wikify the help as formatted text (ie block elements generate newlines)
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text = this.commander.wiki.renderTiddler("text/plain-formatted",helpBase + subhelp);
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// Remove any leading linebreaks
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text = text.replace(/^(\r?\n)*/g,"");
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this.commander.streams.output.write(text);
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};
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exports.Command = Command;
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})();
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