mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-18 07:44:51 +00:00
5c1ab19573
One wiki for the hosted shared app, and one for the wiki app that is created in the dropbox sandbox
701 lines
21 KiB
JavaScript
701 lines
21 KiB
JavaScript
/*global setTimeout: false, console: false */
|
|
(function () {
|
|
|
|
var async = {};
|
|
|
|
// global on the server, window in the browser
|
|
var root = this,
|
|
previous_async = root.async;
|
|
|
|
async.noConflict = function () {
|
|
root.async = previous_async;
|
|
return async;
|
|
};
|
|
|
|
//// cross-browser compatiblity functions ////
|
|
|
|
var _forEach = 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 = [];
|
|
_forEach(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);
|
|
}
|
|
_forEach(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)) {
|
|
async.nextTick = function (fn) {
|
|
setTimeout(fn, 0);
|
|
};
|
|
}
|
|
else {
|
|
async.nextTick = process.nextTick;
|
|
}
|
|
|
|
async.forEach = function (arr, iterator, callback) {
|
|
callback = callback || function () {};
|
|
if (!arr.length) {
|
|
return callback();
|
|
}
|
|
var completed = 0;
|
|
_forEach(arr, function (x) {
|
|
iterator(x, function (err) {
|
|
if (err) {
|
|
callback(err);
|
|
callback = function () {};
|
|
}
|
|
else {
|
|
completed += 1;
|
|
if (completed === arr.length) {
|
|
callback(null);
|
|
}
|
|
}
|
|
});
|
|
});
|
|
};
|
|
|
|
async.forEachSeries = 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.forEachLimit = function (arr, limit, 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.forEach].concat(args));
|
|
};
|
|
};
|
|
var doSeries = function (fn) {
|
|
return function () {
|
|
var args = Array.prototype.slice.call(arguments);
|
|
return fn.apply(null, [async.forEachSeries].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);
|
|
|
|
|
|
// 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.forEachSeries(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.forEach(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.forEach(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 () {
|
|
_forEach(listeners.slice(0), function (fn) {
|
|
fn();
|
|
});
|
|
};
|
|
|
|
addListener(function () {
|
|
if (_keys(results).length === keys.length) {
|
|
callback(null, results);
|
|
callback = function () {};
|
|
}
|
|
});
|
|
|
|
_forEach(keys, function (k) {
|
|
var task = (tasks[k] instanceof Function) ? [tasks[k]]: tasks[k];
|
|
var taskCallback = function (err) {
|
|
if (err) {
|
|
callback(err);
|
|
// stop subsequent errors hitting callback multiple times
|
|
callback = function () {};
|
|
}
|
|
else {
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
|
if (args.length <= 1) {
|
|
args = args[0];
|
|
}
|
|
results[k] = args;
|
|
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.length) {
|
|
return callback();
|
|
}
|
|
var wrapIterator = function (iterator) {
|
|
return function (err) {
|
|
if (err) {
|
|
callback(err);
|
|
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.nextTick(function () {
|
|
iterator.apply(null, args);
|
|
});
|
|
}
|
|
};
|
|
};
|
|
wrapIterator(async.iterator(tasks))();
|
|
};
|
|
|
|
async.parallel = function (tasks, callback) {
|
|
callback = callback || function () {};
|
|
if (tasks.constructor === Array) {
|
|
async.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 = {};
|
|
async.forEach(_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.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.forEachSeries(_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.until = function (test, iterator, callback) {
|
|
if (!test()) {
|
|
iterator(function (err) {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
async.until(test, iterator, callback);
|
|
});
|
|
}
|
|
else {
|
|
callback();
|
|
}
|
|
};
|
|
|
|
async.queue = function (worker, concurrency) {
|
|
var workers = 0;
|
|
var q = {
|
|
tasks: [],
|
|
concurrency: concurrency,
|
|
saturated: null,
|
|
empty: null,
|
|
drain: null,
|
|
push: function (data, callback) {
|
|
if(data.constructor !== Array) {
|
|
data = [data];
|
|
}
|
|
_forEach(data, function(task) {
|
|
q.tasks.push({
|
|
data: task,
|
|
callback: typeof callback === 'function' ? callback : null
|
|
});
|
|
if (q.saturated && q.tasks.length == concurrency) {
|
|
q.saturated();
|
|
}
|
|
async.nextTick(q.process);
|
|
});
|
|
},
|
|
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;
|
|
worker(task.data, function () {
|
|
workers -= 1;
|
|
if (task.callback) {
|
|
task.callback.apply(task, arguments);
|
|
}
|
|
if(q.drain && q.tasks.length + workers == 0) q.drain();
|
|
q.process();
|
|
});
|
|
}
|
|
},
|
|
length: function () {
|
|
return q.tasks.length;
|
|
},
|
|
running: function () {
|
|
return workers;
|
|
}
|
|
};
|
|
return q;
|
|
};
|
|
|
|
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]) {
|
|
_forEach(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.unmemoized = fn;
|
|
return memoized;
|
|
};
|
|
|
|
async.unmemoize = function (fn) {
|
|
return function () {
|
|
return (fn.unmemoized || fn).apply(null, arguments);
|
|
};
|
|
};
|
|
|
|
// AMD / RequireJS
|
|
if (typeof define !== 'undefined' && define.amd) {
|
|
define('async', [], function () {
|
|
return async;
|
|
});
|
|
}
|
|
// Node.js
|
|
else if (typeof module !== 'undefined' && module.exports) {
|
|
module.exports = async;
|
|
}
|
|
// included directly via <script> tag
|
|
else {
|
|
root.async = async;
|
|
}
|
|
|
|
}());
|