setting up mock data fetch and model building on client
blocked by sample JSON data not matching switch configuration specification
diff --git a/web/ons-demo/js/async.js b/web/ons-demo/js/async.js
new file mode 100644
index 0000000..5b277cd
--- /dev/null
+++ b/web/ons-demo/js/async.js
@@ -0,0 +1,947 @@
+/*global setImmediate: false, setTimeout: false, console: false */
+(function () {
+
+ var async = {};
+
+ // global on the server, window in the browser
+ var root, previous_async;
+
+ root = this;
+ if (root != null) {
+ previous_async = root.async;
+ }
+
+ async.noConflict = function () {
+ root.async = previous_async;
+ return async;
+ };
+
+ function only_once(fn) {
+ var called = false;
+ return function() {
+ if (called) throw new Error("Callback was already called.");
+ called = true;
+ fn.apply(root, arguments);
+ }
+ }
+
+ //// cross-browser compatiblity functions ////
+
+ var _each = function (arr, iterator) {
+ if (arr.forEach) {
+ return arr.forEach(iterator);
+ }
+ for (var i = 0; i < arr.length; i += 1) {
+ iterator(arr[i], i, arr);
+ }
+ };
+
+ var _map = function (arr, iterator) {
+ if (arr.map) {
+ return arr.map(iterator);
+ }
+ var results = [];
+ _each(arr, function (x, i, a) {
+ results.push(iterator(x, i, a));
+ });
+ return results;
+ };
+
+ var _reduce = function (arr, iterator, memo) {
+ if (arr.reduce) {
+ return arr.reduce(iterator, memo);
+ }
+ _each(arr, function (x, i, a) {
+ memo = iterator(memo, x, i, a);
+ });
+ return memo;
+ };
+
+ var _keys = function (obj) {
+ if (Object.keys) {
+ return Object.keys(obj);
+ }
+ var keys = [];
+ for (var k in obj) {
+ if (obj.hasOwnProperty(k)) {
+ keys.push(k);
+ }
+ }
+ return keys;
+ };
+
+ //// exported async module functions ////
+
+ //// nextTick implementation with browser-compatible fallback ////
+ if (typeof process === 'undefined' || !(process.nextTick)) {
+ if (typeof setImmediate === 'function') {
+ async.setImmediate = setImmediate;
+ async.nextTick = setImmediate;
+ }
+ else {
+ async.setImmediate = async.nextTick;
+ async.nextTick = function (fn) {
+ setTimeout(fn, 0);
+ };
+ }
+ }
+ else {
+ async.nextTick = process.nextTick;
+ async.setImmediate = setImmediate;
+ }
+
+ async.each = function (arr, iterator, callback) {
+ callback = callback || function () {};
+ if (!arr.length) {
+ return callback();
+ }
+ var completed = 0;
+ _each(arr, function (x) {
+ iterator(x, only_once(function (err) {
+ if (err) {
+ callback(err);
+ callback = function () {};
+ }
+ else {
+ completed += 1;
+ if (completed >= arr.length) {
+ callback(null);
+ }
+ }
+ }));
+ });
+ };
+ async.forEach = async.each;
+
+ async.eachSeries = function (arr, iterator, callback) {
+ callback = callback || function () {};
+ if (!arr.length) {
+ return callback();
+ }
+ var completed = 0;
+ var iterate = function () {
+ iterator(arr[completed], function (err) {
+ if (err) {
+ callback(err);
+ callback = function () {};
+ }
+ else {
+ completed += 1;
+ if (completed >= arr.length) {
+ callback(null);
+ }
+ else {
+ iterate();
+ }
+ }
+ });
+ };
+ iterate();
+ };
+ async.forEachSeries = async.eachSeries;
+
+ async.eachLimit = function (arr, limit, iterator, callback) {
+ var fn = _eachLimit(limit);
+ fn.apply(null, [arr, iterator, callback]);
+ };
+ async.forEachLimit = async.eachLimit;
+
+ var _eachLimit = function (limit) {
+
+ return function (arr, iterator, callback) {
+ callback = callback || function () {};
+ if (!arr.length || limit <= 0) {
+ return callback();
+ }
+ var completed = 0;
+ var started = 0;
+ var running = 0;
+
+ (function replenish () {
+ if (completed >= arr.length) {
+ return callback();
+ }
+
+ while (running < limit && started < arr.length) {
+ started += 1;
+ running += 1;
+ iterator(arr[started - 1], function (err) {
+ if (err) {
+ callback(err);
+ callback = function () {};
+ }
+ else {
+ completed += 1;
+ running -= 1;
+ if (completed >= arr.length) {
+ callback();
+ }
+ else {
+ replenish();
+ }
+ }
+ });
+ }
+ })();
+ };
+ };
+
+
+ var doParallel = function (fn) {
+ return function () {
+ var args = Array.prototype.slice.call(arguments);
+ return fn.apply(null, [async.each].concat(args));
+ };
+ };
+ var doParallelLimit = function(limit, fn) {
+ return function () {
+ var args = Array.prototype.slice.call(arguments);
+ return fn.apply(null, [_eachLimit(limit)].concat(args));
+ };
+ };
+ var doSeries = function (fn) {
+ return function () {
+ var args = Array.prototype.slice.call(arguments);
+ return fn.apply(null, [async.eachSeries].concat(args));
+ };
+ };
+
+
+ var _asyncMap = function (eachfn, arr, iterator, callback) {
+ var results = [];
+ arr = _map(arr, function (x, i) {
+ return {index: i, value: x};
+ });
+ eachfn(arr, function (x, callback) {
+ iterator(x.value, function (err, v) {
+ results[x.index] = v;
+ callback(err);
+ });
+ }, function (err) {
+ callback(err, results);
+ });
+ };
+ async.map = doParallel(_asyncMap);
+ async.mapSeries = doSeries(_asyncMap);
+ async.mapLimit = function (arr, limit, iterator, callback) {
+ return _mapLimit(limit)(arr, iterator, callback);
+ };
+
+ var _mapLimit = function(limit) {
+ return doParallelLimit(limit, _asyncMap);
+ };
+
+ // reduce only has a series version, as doing reduce in parallel won't
+ // work in many situations.
+ async.reduce = function (arr, memo, iterator, callback) {
+ async.eachSeries(arr, function (x, callback) {
+ iterator(memo, x, function (err, v) {
+ memo = v;
+ callback(err);
+ });
+ }, function (err) {
+ callback(err, memo);
+ });
+ };
+ // inject alias
+ async.inject = async.reduce;
+ // foldl alias
+ async.foldl = async.reduce;
+
+ async.reduceRight = function (arr, memo, iterator, callback) {
+ var reversed = _map(arr, function (x) {
+ return x;
+ }).reverse();
+ async.reduce(reversed, memo, iterator, callback);
+ };
+ // foldr alias
+ async.foldr = async.reduceRight;
+
+ var _filter = function (eachfn, arr, iterator, callback) {
+ var results = [];
+ arr = _map(arr, function (x, i) {
+ return {index: i, value: x};
+ });
+ eachfn(arr, function (x, callback) {
+ iterator(x.value, function (v) {
+ if (v) {
+ results.push(x);
+ }
+ callback();
+ });
+ }, function (err) {
+ callback(_map(results.sort(function (a, b) {
+ return a.index - b.index;
+ }), function (x) {
+ return x.value;
+ }));
+ });
+ };
+ async.filter = doParallel(_filter);
+ async.filterSeries = doSeries(_filter);
+ // select alias
+ async.select = async.filter;
+ async.selectSeries = async.filterSeries;
+
+ var _reject = function (eachfn, arr, iterator, callback) {
+ var results = [];
+ arr = _map(arr, function (x, i) {
+ return {index: i, value: x};
+ });
+ eachfn(arr, function (x, callback) {
+ iterator(x.value, function (v) {
+ if (!v) {
+ results.push(x);
+ }
+ callback();
+ });
+ }, function (err) {
+ callback(_map(results.sort(function (a, b) {
+ return a.index - b.index;
+ }), function (x) {
+ return x.value;
+ }));
+ });
+ };
+ async.reject = doParallel(_reject);
+ async.rejectSeries = doSeries(_reject);
+
+ var _detect = function (eachfn, arr, iterator, main_callback) {
+ eachfn(arr, function (x, callback) {
+ iterator(x, function (result) {
+ if (result) {
+ main_callback(x);
+ main_callback = function () {};
+ }
+ else {
+ callback();
+ }
+ });
+ }, function (err) {
+ main_callback();
+ });
+ };
+ async.detect = doParallel(_detect);
+ async.detectSeries = doSeries(_detect);
+
+ async.some = function (arr, iterator, main_callback) {
+ async.each(arr, function (x, callback) {
+ iterator(x, function (v) {
+ if (v) {
+ main_callback(true);
+ main_callback = function () {};
+ }
+ callback();
+ });
+ }, function (err) {
+ main_callback(false);
+ });
+ };
+ // any alias
+ async.any = async.some;
+
+ async.every = function (arr, iterator, main_callback) {
+ async.each(arr, function (x, callback) {
+ iterator(x, function (v) {
+ if (!v) {
+ main_callback(false);
+ main_callback = function () {};
+ }
+ callback();
+ });
+ }, function (err) {
+ main_callback(true);
+ });
+ };
+ // all alias
+ async.all = async.every;
+
+ async.sortBy = function (arr, iterator, callback) {
+ async.map(arr, function (x, callback) {
+ iterator(x, function (err, criteria) {
+ if (err) {
+ callback(err);
+ }
+ else {
+ callback(null, {value: x, criteria: criteria});
+ }
+ });
+ }, function (err, results) {
+ if (err) {
+ return callback(err);
+ }
+ else {
+ var fn = function (left, right) {
+ var a = left.criteria, b = right.criteria;
+ return a < b ? -1 : a > b ? 1 : 0;
+ };
+ callback(null, _map(results.sort(fn), function (x) {
+ return x.value;
+ }));
+ }
+ });
+ };
+
+ async.auto = function (tasks, callback) {
+ callback = callback || function () {};
+ var keys = _keys(tasks);
+ if (!keys.length) {
+ return callback(null);
+ }
+
+ var results = {};
+
+ var listeners = [];
+ var addListener = function (fn) {
+ listeners.unshift(fn);
+ };
+ var removeListener = function (fn) {
+ for (var i = 0; i < listeners.length; i += 1) {
+ if (listeners[i] === fn) {
+ listeners.splice(i, 1);
+ return;
+ }
+ }
+ };
+ var taskComplete = function () {
+ _each(listeners.slice(0), function (fn) {
+ fn();
+ });
+ };
+
+ addListener(function () {
+ if (_keys(results).length === keys.length) {
+ callback(null, results);
+ callback = function () {};
+ }
+ });
+
+ _each(keys, function (k) {
+ var task = (tasks[k] instanceof Function) ? [tasks[k]]: tasks[k];
+ var taskCallback = function (err) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ if (args.length <= 1) {
+ args = args[0];
+ }
+ if (err) {
+ var safeResults = {};
+ _each(_keys(results), function(rkey) {
+ safeResults[rkey] = results[rkey];
+ });
+ safeResults[k] = args;
+ callback(err, safeResults);
+ // stop subsequent errors hitting callback multiple times
+ callback = function () {};
+ }
+ else {
+ results[k] = args;
+ async.setImmediate(taskComplete);
+ }
+ };
+ var requires = task.slice(0, Math.abs(task.length - 1)) || [];
+ var ready = function () {
+ return _reduce(requires, function (a, x) {
+ return (a && results.hasOwnProperty(x));
+ }, true) && !results.hasOwnProperty(k);
+ };
+ if (ready()) {
+ task[task.length - 1](taskCallback, results);
+ }
+ else {
+ var listener = function () {
+ if (ready()) {
+ removeListener(listener);
+ task[task.length - 1](taskCallback, results);
+ }
+ };
+ addListener(listener);
+ }
+ });
+ };
+
+ async.waterfall = function (tasks, callback) {
+ callback = callback || function () {};
+ if (tasks.constructor !== Array) {
+ var err = new Error('First argument to waterfall must be an array of functions');
+ return callback(err);
+ }
+ if (!tasks.length) {
+ return callback();
+ }
+ var wrapIterator = function (iterator) {
+ return function (err) {
+ if (err) {
+ callback.apply(null, arguments);
+ callback = function () {};
+ }
+ else {
+ var args = Array.prototype.slice.call(arguments, 1);
+ var next = iterator.next();
+ if (next) {
+ args.push(wrapIterator(next));
+ }
+ else {
+ args.push(callback);
+ }
+ async.setImmediate(function () {
+ iterator.apply(null, args);
+ });
+ }
+ };
+ };
+ wrapIterator(async.iterator(tasks))();
+ };
+
+ var _parallel = function(eachfn, tasks, callback) {
+ callback = callback || function () {};
+ if (tasks.constructor === Array) {
+ eachfn.map(tasks, function (fn, callback) {
+ if (fn) {
+ fn(function (err) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ if (args.length <= 1) {
+ args = args[0];
+ }
+ callback.call(null, err, args);
+ });
+ }
+ }, callback);
+ }
+ else {
+ var results = {};
+ eachfn.each(_keys(tasks), function (k, callback) {
+ tasks[k](function (err) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ if (args.length <= 1) {
+ args = args[0];
+ }
+ results[k] = args;
+ callback(err);
+ });
+ }, function (err) {
+ callback(err, results);
+ });
+ }
+ };
+
+ async.parallel = function (tasks, callback) {
+ _parallel({ map: async.map, each: async.each }, tasks, callback);
+ };
+
+ async.parallelLimit = function(tasks, limit, callback) {
+ _parallel({ map: _mapLimit(limit), each: _eachLimit(limit) }, tasks, callback);
+ };
+
+ async.series = function (tasks, callback) {
+ callback = callback || function () {};
+ if (tasks.constructor === Array) {
+ async.mapSeries(tasks, function (fn, callback) {
+ if (fn) {
+ fn(function (err) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ if (args.length <= 1) {
+ args = args[0];
+ }
+ callback.call(null, err, args);
+ });
+ }
+ }, callback);
+ }
+ else {
+ var results = {};
+ async.eachSeries(_keys(tasks), function (k, callback) {
+ tasks[k](function (err) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ if (args.length <= 1) {
+ args = args[0];
+ }
+ results[k] = args;
+ callback(err);
+ });
+ }, function (err) {
+ callback(err, results);
+ });
+ }
+ };
+
+ async.iterator = function (tasks) {
+ var makeCallback = function (index) {
+ var fn = function () {
+ if (tasks.length) {
+ tasks[index].apply(null, arguments);
+ }
+ return fn.next();
+ };
+ fn.next = function () {
+ return (index < tasks.length - 1) ? makeCallback(index + 1): null;
+ };
+ return fn;
+ };
+ return makeCallback(0);
+ };
+
+ async.apply = function (fn) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ return function () {
+ return fn.apply(
+ null, args.concat(Array.prototype.slice.call(arguments))
+ );
+ };
+ };
+
+ var _concat = function (eachfn, arr, fn, callback) {
+ var r = [];
+ eachfn(arr, function (x, cb) {
+ fn(x, function (err, y) {
+ r = r.concat(y || []);
+ cb(err);
+ });
+ }, function (err) {
+ callback(err, r);
+ });
+ };
+ async.concat = doParallel(_concat);
+ async.concatSeries = doSeries(_concat);
+
+ async.whilst = function (test, iterator, callback) {
+ if (test()) {
+ iterator(function (err) {
+ if (err) {
+ return callback(err);
+ }
+ async.whilst(test, iterator, callback);
+ });
+ }
+ else {
+ callback();
+ }
+ };
+
+ async.doWhilst = function (iterator, test, callback) {
+ iterator(function (err) {
+ if (err) {
+ return callback(err);
+ }
+ if (test()) {
+ async.doWhilst(iterator, test, callback);
+ }
+ else {
+ callback();
+ }
+ });
+ };
+
+ async.until = function (test, iterator, callback) {
+ if (!test()) {
+ iterator(function (err) {
+ if (err) {
+ return callback(err);
+ }
+ async.until(test, iterator, callback);
+ });
+ }
+ else {
+ callback();
+ }
+ };
+
+ async.doUntil = function (iterator, test, callback) {
+ iterator(function (err) {
+ if (err) {
+ return callback(err);
+ }
+ if (!test()) {
+ async.doUntil(iterator, test, callback);
+ }
+ else {
+ callback();
+ }
+ });
+ };
+
+ async.queue = function (worker, concurrency) {
+ if (concurrency === undefined) {
+ concurrency = 1;
+ }
+ function _insert(q, data, pos, callback) {
+ if(data.constructor !== Array) {
+ data = [data];
+ }
+ _each(data, function(task) {
+ var item = {
+ data: task,
+ callback: typeof callback === 'function' ? callback : null
+ };
+
+ if (pos) {
+ q.tasks.unshift(item);
+ } else {
+ q.tasks.push(item);
+ }
+
+ if (q.saturated && q.tasks.length === concurrency) {
+ q.saturated();
+ }
+ async.setImmediate(q.process);
+ });
+ }
+
+ var workers = 0;
+ var q = {
+ tasks: [],
+ concurrency: concurrency,
+ saturated: null,
+ empty: null,
+ drain: null,
+ push: function (data, callback) {
+ _insert(q, data, false, callback);
+ },
+ unshift: function (data, callback) {
+ _insert(q, data, true, callback);
+ },
+ process: function () {
+ if (workers < q.concurrency && q.tasks.length) {
+ var task = q.tasks.shift();
+ if (q.empty && q.tasks.length === 0) {
+ q.empty();
+ }
+ workers += 1;
+ var next = function () {
+ workers -= 1;
+ if (task.callback) {
+ task.callback.apply(task, arguments);
+ }
+ if (q.drain && q.tasks.length + workers === 0) {
+ q.drain();
+ }
+ q.process();
+ };
+ var cb = only_once(next);
+ worker(task.data, cb);
+ }
+ },
+ length: function () {
+ return q.tasks.length;
+ },
+ running: function () {
+ return workers;
+ }
+ };
+ return q;
+ };
+
+ async.cargo = function (worker, payload) {
+ var working = false,
+ tasks = [];
+
+ var cargo = {
+ tasks: tasks,
+ payload: payload,
+ saturated: null,
+ empty: null,
+ drain: null,
+ push: function (data, callback) {
+ if(data.constructor !== Array) {
+ data = [data];
+ }
+ _each(data, function(task) {
+ tasks.push({
+ data: task,
+ callback: typeof callback === 'function' ? callback : null
+ });
+ if (cargo.saturated && tasks.length === payload) {
+ cargo.saturated();
+ }
+ });
+ async.setImmediate(cargo.process);
+ },
+ process: function process() {
+ if (working) return;
+ if (tasks.length === 0) {
+ if(cargo.drain) cargo.drain();
+ return;
+ }
+
+ var ts = typeof payload === 'number'
+ ? tasks.splice(0, payload)
+ : tasks.splice(0);
+
+ var ds = _map(ts, function (task) {
+ return task.data;
+ });
+
+ if(cargo.empty) cargo.empty();
+ working = true;
+ worker(ds, function () {
+ working = false;
+
+ var args = arguments;
+ _each(ts, function (data) {
+ if (data.callback) {
+ data.callback.apply(null, args);
+ }
+ });
+
+ process();
+ });
+ },
+ length: function () {
+ return tasks.length;
+ },
+ running: function () {
+ return working;
+ }
+ };
+ return cargo;
+ };
+
+ var _console_fn = function (name) {
+ return function (fn) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ fn.apply(null, args.concat([function (err) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ if (typeof console !== 'undefined') {
+ if (err) {
+ if (console.error) {
+ console.error(err);
+ }
+ }
+ else if (console[name]) {
+ _each(args, function (x) {
+ console[name](x);
+ });
+ }
+ }
+ }]));
+ };
+ };
+ async.log = _console_fn('log');
+ async.dir = _console_fn('dir');
+ /*async.info = _console_fn('info');
+ async.warn = _console_fn('warn');
+ async.error = _console_fn('error');*/
+
+ async.memoize = function (fn, hasher) {
+ var memo = {};
+ var queues = {};
+ hasher = hasher || function (x) {
+ return x;
+ };
+ var memoized = function () {
+ var args = Array.prototype.slice.call(arguments);
+ var callback = args.pop();
+ var key = hasher.apply(null, args);
+ if (key in memo) {
+ callback.apply(null, memo[key]);
+ }
+ else if (key in queues) {
+ queues[key].push(callback);
+ }
+ else {
+ queues[key] = [callback];
+ fn.apply(null, args.concat([function () {
+ memo[key] = arguments;
+ var q = queues[key];
+ delete queues[key];
+ for (var i = 0, l = q.length; i < l; i++) {
+ q[i].apply(null, arguments);
+ }
+ }]));
+ }
+ };
+ memoized.memo = memo;
+ memoized.unmemoized = fn;
+ return memoized;
+ };
+
+ async.unmemoize = function (fn) {
+ return function () {
+ return (fn.unmemoized || fn).apply(null, arguments);
+ };
+ };
+
+ async.times = function (count, iterator, callback) {
+ var counter = [];
+ for (var i = 0; i < count; i++) {
+ counter.push(i);
+ }
+ return async.map(counter, iterator, callback);
+ };
+
+ async.timesSeries = function (count, iterator, callback) {
+ var counter = [];
+ for (var i = 0; i < count; i++) {
+ counter.push(i);
+ }
+ return async.mapSeries(counter, iterator, callback);
+ };
+
+ async.compose = function (/* functions... */) {
+ var fns = Array.prototype.reverse.call(arguments);
+ return function () {
+ var that = this;
+ var args = Array.prototype.slice.call(arguments);
+ var callback = args.pop();
+ async.reduce(fns, args, function (newargs, fn, cb) {
+ fn.apply(that, newargs.concat([function () {
+ var err = arguments[0];
+ var nextargs = Array.prototype.slice.call(arguments, 1);
+ cb(err, nextargs);
+ }]))
+ },
+ function (err, results) {
+ callback.apply(that, [err].concat(results));
+ });
+ };
+ };
+
+ var _applyEach = function (eachfn, fns /*args...*/) {
+ var go = function () {
+ var that = this;
+ var args = Array.prototype.slice.call(arguments);
+ var callback = args.pop();
+ return eachfn(fns, function (fn, cb) {
+ fn.apply(that, args.concat([cb]));
+ },
+ callback);
+ };
+ if (arguments.length > 2) {
+ var args = Array.prototype.slice.call(arguments, 2);
+ return go.apply(this, args);
+ }
+ else {
+ return go;
+ }
+ };
+ async.applyEach = doParallel(_applyEach);
+ async.applyEachSeries = doSeries(_applyEach);
+
+ async.forever = function (fn, callback) {
+ function next(err) {
+ if (err) {
+ if (callback) {
+ return callback(err);
+ }
+ throw err;
+ }
+ fn(next);
+ }
+ next();
+ };
+
+ // AMD / RequireJS
+ if (typeof define !== 'undefined' && define.amd) {
+ define([], function () {
+ return async;
+ });
+ }
+ // Node.js
+ else if (typeof module !== 'undefined' && module.exports) {
+ module.exports = async;
+ }
+ // included directly via <script> tag
+ else {
+ root.async = async;
+ }
+
+}());
\ No newline at end of file