319 lines
11 KiB
JavaScript
319 lines
11 KiB
JavaScript
// OxJS (c) 2012 0x2620, dual-licensed GPL/MIT, see http://oxjs.org for details
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'use strict';
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/*@
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Ox <f> The `Ox` object
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See `Ox.wrap` for details.
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(value) -> <o> wrapped value
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value <*> Any value
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@*/
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this.Ox = function(value) {
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return Ox.wrap(value);
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};
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/*@
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Ox.load <f> Loads OxJS and, optionally, one or more modules
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To load OxJS, include `/build/Ox.js` (minified version) or `/dev/Ox.js`
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(development version), and use `Ox.load(callback)` at the beginning of your
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program. The callback will run once OxJS is loaded and the document is
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ready. To choose the version programatically (for example: minified version
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on production server, development version on localhost), include the
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development version and pass `true` as a first parameter to `Ox.load` in
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case you want to switch to the minified version. To load one or more
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modules, either at the beginning or at a later point, use<br>
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<br>
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<ul><li>`Ox.load(module, callback)` (one module),</li>
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<li>`Ox.load(module, options, callback)` (one module with options),</li>
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<li>`Ox.load(['moduleA', 'moduleB', ...], callback)` (multiple modules)</li>
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<li>`Ox.load({moduleA: optionsA, moduleB: optionsB, ...}, callback)` (multiple
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modules with options) or either</li>
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<li>`Ox.load(['moduleA', {moduleB: optionsB}, ...], callback)` or
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`Ox.load({moduleA: {}, moduleB: optionsB, ...}, callback)` (multiple modules
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without and with options).</li></ul>
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<br>
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A module named 'Foo' provides `Ox.Foo/Ox.Foo.js`, in which it defines one
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method, `Ox.load.Foo`, that takes two arguments, `options` and `callback`,
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and calls `callback` with one argument, `true` for success or `false` if an
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error occurred. A third-party module should define `Ox.Foo` and attach its
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own methods there.
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([min ,]callback) -> <u> undefined
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([min ,]module, callback) -> <u> undefined
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([min ,]module, options, callback) -> <u> undefined
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([min ,]modules, callback) -> <u> undefined
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min <b> If true, switch from development version to minified version
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module <s> Module name
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options <o> Module options
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modules <a|o> Multiple modules
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`['moduleA', 'moduleB']` (without options) or
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`{moduleA: optionsA, moduleB: optionsB, ...}` (with options) or either
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`['moduleA', {moduleB: optionsB}, ...]` or
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`{moduleA: {}, moduleB: optionsB, ...}` (without and with options)
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callback <f> Callback function
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success <b> If true, all modules have been loaded successfully
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@*/
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Ox.load = function() {
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var callback = arguments[arguments.length - 1],
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length, loaded = 0, localeFiles = [], modules = {}, succeeded = 0,
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type = Ox.typeOf(arguments[0]);
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if (type == 'string') {
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modules = Ox.extend(
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{}, arguments[0], Ox.isObject(arguments[1]) ? arguments[1] : {}
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);
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} else if (type == 'array') {
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arguments[0].forEach(function(value) {
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if (Ox.isString(value)) {
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modules[value] = {};
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} else {
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Ox.extend(modules, value);
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}
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});
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} else if (type == 'object') {
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modules = arguments[0];
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}
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length = Ox.len(modules);
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Ox.documentReady(function() {
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if (!length) {
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callback(true);
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} else {
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Ox.forEach(modules, function(options, module) {
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Ox.getFile(
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Ox.PATH + 'Ox.' + module + '/Ox.' + module + '.js?' + Ox.VERSION,
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function() {
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Ox.load[module](options, function(success) {
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succeeded += success;
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if (++loaded == length) {
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Ox.setLocale(Ox.LOCALE, function() {
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callback(succeeded == length);
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});
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}
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});
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}
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);
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});
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}
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});
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};
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/*@
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Ox.localStorage <f> localStorage wrapper
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(namespace) -> storage <f> localStorage function for a given namespace
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() -> <o> returns all key:value pairs
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(key) -> <*> returns one value
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(key, val) -> <f> sets one value, returns localStorage object
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({key: val, ...}) -> <f> sets values, returns localStorage object
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<script>
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Ox.test.localStorage = Ox.localStorage('test');
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</script>
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> Ox.test.localStorage({foo: 'bar'})('foo')
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'bar'
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> Ox.test.localStorage.delete('foo')()
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{}
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@*/
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Ox.localStorage = function(namespace) {
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var localStorage;
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try {
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// this will fail if third party cookies/storage is not allowed
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localStorage = window.localStorage || {};
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// FF 3.6 can't assign to or iterate over localStorage
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for (var key in localStorage) {};
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} catch (e) {
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localStorage = {};
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}
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function storage(key, value) {
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var ret;
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if (arguments.length == 0) {
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ret = {};
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Ox.forEach(localStorage, function(value, key) {
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if (Ox.startsWith(key, namespace + '.')) {
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ret[key.slice(namespace.length + 1)] = JSON.parse(value);
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}
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});
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} else if (arguments.length == 1 && typeof key == 'string') {
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// This gets called by Ox.Log before Type.js has loaded
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value = localStorage[namespace + '.' + key];
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ret = value === void 0 ? void 0 : JSON.parse(value);
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} else {
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Ox.forEach(Ox.makeObject(arguments), function(value, key) {
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localStorage[namespace + '.' + key] = JSON.stringify(value);
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});
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ret = storage;
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}
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return ret;
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};
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// IE 8 doesn't like `storage.delete`
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storage['delete'] = function() {
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var keys = arguments.length == 0 ? Object.keys(storage())
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: Ox.slice(arguments)
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keys.forEach(function(key) {
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delete localStorage[namespace + '.' + key];
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});
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return storage;
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};
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return storage;
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};
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/*@
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Ox.Log <f> Logging module
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@*/
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Ox.Log = (function() {
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var storage = Ox.localStorage('Ox'),
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log = storage('log') || {filter: [], filterEnabled: true},
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that = function() {
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var ret;
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if (arguments.length == 0) {
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ret = log;
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} else {
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ret = that.log.apply(null, arguments);
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}
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return ret;
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};
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that.filter = function(value) {
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if (!Ox.isUndefined(value)) {
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that.filter.enable();
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log.filter = Ox.makeArray(value);
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storage('log', log);
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}
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return log.filter;
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};
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that.filter.add = function(value) {
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return that.filter(Ox.unique(log.filter.concat(Ox.makeArray(value))));
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};
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that.filter.disable = function() {
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log.filterEnabled = false;
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storage('log', log);
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};
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that.filter.enable = function() {
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log.filterEnabled = true;
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storage('log', log);
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};
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that.filter.remove = function(value) {
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value = Ox.makeArray(value);
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return that.filter(log.filter.filter(function(v) {
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return value.indexOf(v) == -1;
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}));
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};
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that.log = function() {
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var args = Ox.slice(arguments), date, ret;
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if (!log.filterEnabled || log.filter.indexOf(args[0]) > -1) {
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date = new Date();
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args.unshift(
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Ox.formatDate(date, '%H:%M:%S.') + (+date).toString().slice(-3)
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);
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window.console && window.console.log.apply(window.console, args);
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ret = args.join(' ');
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}
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return ret;
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};
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return that;
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}());
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/*@
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Ox.loop <f> For-loop, functional-style
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Returning `false` from the iterator function acts like a `break` statement.
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Unlike a `for` loop, `Ox.loop` doesn't leak its counter variable to the
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outer scope, but returns it.
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(stop, fn) -> <n> Next value
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equivalent to `for (var i = 0; i < stop; i++) { fn(i); }`
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(start, stop, fn) -> <n> Next value
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equivalent to `for (var i = start; i < stop; i++) { fn(i); }` or, if
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`start` is larger than `stop`, `for (var i = start; i > stop; i--) {
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fn(i); }`
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(start, stop, step, fn) -> <n> Next value
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equivalent to `for (var i = start; i < stop; i += step) { fn(i); }` or,
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if `step` is negative, `for (var i = start; i > stop; i += step) {
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fn(i); }`
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start <n> Start value
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stop <n> Stop value (exclusive)
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step <n> Step value
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fn <f> Iterator function
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i <n> Counter value
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> Ox.loop(10, function(i) { if (i == 4) { return false; } })
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4
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> Ox.loop(0, 3, 2, function() {})
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4
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@*/
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Ox.loop = function() {
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var length = arguments.length,
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start = length > 2 ? arguments[0] : 0,
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stop = arguments[length > 2 ? 1 : 0],
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step = length == 4 ? arguments[2] : (start <= stop ? 1 : -1),
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iterator = arguments[length - 1],
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i;
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for (i = start; step > 0 ? i < stop : i > stop; i += step) {
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if (iterator(i) === false) {
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break;
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}
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}
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return i;
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};
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/*@
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Ox.print <f> Prints its arguments to the console
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(arg, ...) -> <s> String
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The string contains the timestamp, the name of the caller function, and
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any arguments, separated by spaces
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arg <*> any value
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> Ox.print('foo', 'bar').split(' ').slice(1).join(' ')
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'foo bar'
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@*/
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Ox.print = function() {
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var args = Ox.slice(arguments), date = new Date();
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args.unshift(
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date.toString().split(' ')[4] + '.' + (+date).toString().slice(-3)
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);
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window.console && window.console.log.apply(window.console, args);
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return args.join(' ');
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};
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/*@
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Ox.uid <f> Returns a unique id
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() -> <n> Unique id
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> Ox.uid() != Ox.uid()
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true
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@*/
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Ox.uid = (function() {
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var uid = 0;
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return function() {
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return ++uid;
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};
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}());
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/*@
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Ox.wrap <f> Wraps a value so that one can directly call any Ox function on it
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`Ox(value)` is a shorthand for `Ox.wrap(value)`.
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(value) -> <o> wrapped value
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chain <f> Wrap return values to allow chaining
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value <f> Unwrap the value wrapped by `chain()`
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value <*> Any value
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> Ox('foobar').repeat(2)
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'foobarfoobar'
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> Ox('foobar').chain().reverse().toTitleCase().value()
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'Raboof'
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> Ox.wrap('foobar').value()
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'foobar'
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@*/
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Ox.wrap = function(value, chained) {
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// somewhat inspired by underscore.js
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var wrapper = {
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chain: function() {
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wrapper.chained = true;
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return wrapper;
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},
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chained: chained || false,
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value: function() {
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return value;
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}
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};
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Ox.methods(Ox).filter(function(method) {
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return method[0] == method[0].toLowerCase();
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}).forEach(function(method) {
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wrapper[method] = function() {
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var args = Array.prototype.slice.call(arguments), ret;
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args.unshift(value);
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ret = Ox[method].apply(Ox, args);
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return wrapper.chained ? Ox.wrap(ret, true) : ret;
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};
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});
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return wrapper;
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};
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