Initial commit

Thanks @PotOfCoffee2Go

core/modules/commands/jsrepl.js

@@ -0,0 +1,46 @@
+/*\
+title: $:/core/modules/commands/jsrepl.js
+type: application/javascript
+module-type: command
+
+Command to launch node.js REPL with access to $tw
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+exports.info = {
+	name: "jsrepl",
+	synchronous: true
+};
+
+var Command = function(params,commander,callback) {
+	var self = this;
+	this.params = params;
+	this.commander = commander;
+	this.callback = callback;
+};
+
+Command.prototype.execute = function() {
+	var self = this;
+	var repl = require("repl");
+	this.runtime = repl.start({
+		prompt: this.params.length ? this.params[0] : "$tw-jsrepl> ",
+		useColors: true,
+		ignoreUndefined: true
+	});
+	// If REPL is reset (.clear) - context needs resetting
+	this.runtime.on("reset", function() {
+		self.runtime.context.$tw = $tw;
+	});
+	// Initial context settings
+	this.runtime.context.$tw = $tw;
+	return null;
+};
+
+exports.Command = Command;
+
+})();