MyNote/Content/way.js

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(function (root, factory) {

	if (typeof define === "function" && define.amd) {
		define(factory);
	} else if (typeof exports === "object") {
		module.exports = factory();
	} else {
		root.way = factory();
	}

}(this, function () {

	"use strict";

	var way, w, tagPrefix = "way";

	//////////////////////////////
	// EVENT EMITTER DEFINITION //
	//////////////////////////////

	var EventEmitter = function () {

		this._watchers = {};
		this._watchersAll = {};

	};

	EventEmitter.prototype.constructor = EventEmitter;

	EventEmitter.prototype.watchAll = function(handler) {

		this._watchersAll = this._watchersAll || [];
		if (!_w.contains(this._watchersAll, handler)) { this._watchersAll.push(handler); }

	}

	EventEmitter.prototype.watch = function(selector, handler) {

		if (!this._watchers) { this._watchers = {}; }
		this._watchers[selector] = this._watchers[selector] || [];
		this._watchers[selector].push(handler);

	}

	EventEmitter.prototype.findWatcherDeps = function(selector) {

		// Go up to look for parent watchers
		// ex: if "some.nested.value" is the selector, it should also trigger for "some"

		var result = [];
		var watchers = _w.keys(this._watchers);
		watchers.forEach(function(watcher) {
			if (startsWith(selector, watcher)) { result.push(watcher); }
		});
		return result;

	}

	EventEmitter.prototype.emitChange = function(selector /* , arguments */) {