diff options
Diffstat (limited to 'deps/npm/node_modules/node-gyp/node_modules/request/node_modules/form-data/node_modules/async/lib/async.js')
-rw-r--r-- | deps/npm/node_modules/node-gyp/node_modules/request/node_modules/form-data/node_modules/async/lib/async.js | 632 |
1 files changed, 632 insertions, 0 deletions
diff --git a/deps/npm/node_modules/node-gyp/node_modules/request/node_modules/form-data/node_modules/async/lib/async.js b/deps/npm/node_modules/node-gyp/node_modules/request/node_modules/form-data/node_modules/async/lib/async.js new file mode 100644 index 0000000000..8c863ac854 --- /dev/null +++ b/deps/npm/node_modules/node-gyp/node_modules/request/node_modules/form-data/node_modules/async/lib/async.js @@ -0,0 +1,632 @@ +/*global setTimeout: false, console: false */ +(function () { + + var async = {}; + + // global on the server, window in the browser + var root = this, + previous_async = root.async; + + if (typeof module !== 'undefined' && module.exports) { + module.exports = async; + } + else { + root.async = 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; + }; + + var _indexOf = function (arr, item) { + if (arr.indexOf) { + return arr.indexOf(item); + } + for (var i = 0; i < arr.length; i += 1) { + if (arr[i] === item) { + return i; + } + } + return -1; + }; + + //// 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) { + 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(); + } + } + }); + }); + }; + + async.forEachSeries = function (arr, iterator, callback) { + 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(); + } + else { + iterate(); + } + } + }); + }; + iterate(); + }; + + + 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); + } + 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 completed = []; + + 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, function (fn) { + fn(); + }); + }; + + addListener(function () { + if (completed.length === keys.length) { + callback(null); + } + }); + + _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 { + completed.push(k); + taskComplete(); + } + }; + var requires = task.slice(0, Math.abs(task.length - 1)) || []; + var ready = function () { + return _reduce(requires, function (a, x) { + return (a && _indexOf(completed, x) !== -1); + }, true); + }; + if (ready()) { + task[task.length - 1](taskCallback); + } + else { + var listener = function () { + if (ready()) { + removeListener(listener); + task[task.length - 1](taskCallback); + } + }; + addListener(listener); + } + }); + }; + + async.waterfall = function (tasks, callback) { + if (!tasks.length) { + return callback(); + } + callback = callback || function () {}; + 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 tasks = []; + var q = { + concurrency: concurrency, + saturated: null, + empty: null, + drain: null, + push: function (data, callback) { + tasks.push({data: data, callback: callback}); + if(q.saturated && tasks.length == concurrency) q.saturated(); + async.nextTick(q.process); + }, + process: function () { + if (workers < q.concurrency && tasks.length) { + var task = tasks.splice(0, 1)[0]; + if(q.empty && tasks.length == 0) q.empty(); + workers += 1; + worker(task.data, function () { + workers -= 1; + if (task.callback) { + task.callback.apply(task, arguments); + } + if(q.drain && tasks.length + workers == 0) q.drain(); + q.process(); + }); + } + }, + length: function () { + return 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 = {}; + hasher = hasher || function (x) { + return x; + }; + return 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 { + fn.apply(null, args.concat([function () { + memo[key] = arguments; + callback.apply(null, arguments); + }])); + } + }; + }; + +}()); |