diff options
Diffstat (limited to 'node_modules/bluebird/js/main/promise_array.js')
-rw-r--r-- | node_modules/bluebird/js/main/promise_array.js | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/node_modules/bluebird/js/main/promise_array.js b/node_modules/bluebird/js/main/promise_array.js new file mode 100644 index 000000000..b2e8f1cc5 --- /dev/null +++ b/node_modules/bluebird/js/main/promise_array.js @@ -0,0 +1,142 @@ +"use strict"; +module.exports = function(Promise, INTERNAL, tryConvertToPromise, + apiRejection) { +var util = require("./util.js"); +var isArray = util.isArray; + +function toResolutionValue(val) { + switch(val) { + case -2: return []; + case -3: return {}; + } +} + +function PromiseArray(values) { + var promise = this._promise = new Promise(INTERNAL); + var parent; + if (values instanceof Promise) { + parent = values; + promise._propagateFrom(parent, 1 | 4); + } + this._values = values; + this._length = 0; + this._totalResolved = 0; + this._init(undefined, -2); +} +PromiseArray.prototype.length = function () { + return this._length; +}; + +PromiseArray.prototype.promise = function () { + return this._promise; +}; + +PromiseArray.prototype._init = function init(_, resolveValueIfEmpty) { + var values = tryConvertToPromise(this._values, this._promise); + if (values instanceof Promise) { + values = values._target(); + this._values = values; + if (values._isFulfilled()) { + values = values._value(); + if (!isArray(values)) { + var err = new Promise.TypeError("expecting an array, a promise or a thenable\u000a\u000a See http://goo.gl/s8MMhc\u000a"); + this.__hardReject__(err); + return; + } + } else if (values._isPending()) { + values._then( + init, + this._reject, + undefined, + this, + resolveValueIfEmpty + ); + return; + } else { + this._reject(values._reason()); + return; + } + } else if (!isArray(values)) { + this._promise._reject(apiRejection("expecting an array, a promise or a thenable\u000a\u000a See http://goo.gl/s8MMhc\u000a")._reason()); + return; + } + + if (values.length === 0) { + if (resolveValueIfEmpty === -5) { + this._resolveEmptyArray(); + } + else { + this._resolve(toResolutionValue(resolveValueIfEmpty)); + } + return; + } + var len = this.getActualLength(values.length); + this._length = len; + this._values = this.shouldCopyValues() ? new Array(len) : this._values; + var promise = this._promise; + for (var i = 0; i < len; ++i) { + var isResolved = this._isResolved(); + var maybePromise = tryConvertToPromise(values[i], promise); + if (maybePromise instanceof Promise) { + maybePromise = maybePromise._target(); + if (isResolved) { + maybePromise._ignoreRejections(); + } else if (maybePromise._isPending()) { + maybePromise._proxyPromiseArray(this, i); + } else if (maybePromise._isFulfilled()) { + this._promiseFulfilled(maybePromise._value(), i); + } else { + this._promiseRejected(maybePromise._reason(), i); + } + } else if (!isResolved) { + this._promiseFulfilled(maybePromise, i); + } + } +}; + +PromiseArray.prototype._isResolved = function () { + return this._values === null; +}; + +PromiseArray.prototype._resolve = function (value) { + this._values = null; + this._promise._fulfill(value); +}; + +PromiseArray.prototype.__hardReject__ = +PromiseArray.prototype._reject = function (reason) { + this._values = null; + this._promise._rejectCallback(reason, false, true); +}; + +PromiseArray.prototype._promiseProgressed = function (progressValue, index) { + this._promise._progress({ + index: index, + value: progressValue + }); +}; + + +PromiseArray.prototype._promiseFulfilled = function (value, index) { + this._values[index] = value; + var totalResolved = ++this._totalResolved; + if (totalResolved >= this._length) { + this._resolve(this._values); + } +}; + +PromiseArray.prototype._promiseRejected = function (reason, index) { + this._totalResolved++; + this._reject(reason); +}; + +PromiseArray.prototype.shouldCopyValues = function () { + return true; +}; + +PromiseArray.prototype.getActualLength = function (len) { + return len; +}; + +return PromiseArray; +}; |