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45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
"use strict";
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module.exports =
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function(Promise, INTERNAL, tryConvertToPromise, apiRejection) {
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var util = require("./util.js");
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var tryCatch = util.tryCatch;
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Promise.method = function (fn) {
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if (typeof fn !== "function") {
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throw new Promise.TypeError("fn must be a function\u000a\u000a See http://goo.gl/916lJJ\u000a");
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}
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return function () {
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var ret = new Promise(INTERNAL);
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ret._captureStackTrace();
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ret._pushContext();
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var value = tryCatch(fn).apply(this, arguments);
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ret._popContext();
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ret._resolveFromSyncValue(value);
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return ret;
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};
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};
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Promise.attempt = Promise["try"] = function (fn, args, ctx) {
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if (typeof fn !== "function") {
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return apiRejection("fn must be a function\u000a\u000a See http://goo.gl/916lJJ\u000a");
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}
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var ret = new Promise(INTERNAL);
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ret._captureStackTrace();
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ret._pushContext();
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var value = util.isArray(args)
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? tryCatch(fn).apply(ctx, args)
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: tryCatch(fn).call(ctx, args);
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ret._popContext();
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ret._resolveFromSyncValue(value);
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return ret;
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};
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Promise.prototype._resolveFromSyncValue = function (value) {
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if (value === util.errorObj) {
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this._rejectCallback(value.e, false, true);
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} else {
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this._resolveCallback(value, true);
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}
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};
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};
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