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- "use strict";
- module.exports =
- function(Promise, INTERNAL, tryConvertToPromise, apiRejection, debug) {
- var util = require("./util");
- var tryCatch = util.tryCatch;
- Promise.method = function (fn) {
- if (typeof fn !== "function") {
- throw new Promise.TypeError("expecting a function but got " + util.classString(fn));
- }
- return function () {
- var ret = new Promise(INTERNAL);
- ret._captureStackTrace();
- ret._pushContext();
- var value = tryCatch(fn).apply(this, arguments);
- var promiseCreated = ret._popContext();
- debug.checkForgottenReturns(
- value, promiseCreated, "Promise.method", ret);
- ret._resolveFromSyncValue(value);
- return ret;
- };
- };
- Promise.attempt = Promise["try"] = function (fn) {
- if (typeof fn !== "function") {
- return apiRejection("expecting a function but got " + util.classString(fn));
- }
- var ret = new Promise(INTERNAL);
- ret._captureStackTrace();
- ret._pushContext();
- var value;
- if (arguments.length > 1) {
- debug.deprecated("calling Promise.try with more than 1 argument");
- var arg = arguments[1];
- var ctx = arguments[2];
- value = util.isArray(arg) ? tryCatch(fn).apply(ctx, arg)
- : tryCatch(fn).call(ctx, arg);
- } else {
- value = tryCatch(fn)();
- }
- var promiseCreated = ret._popContext();
- debug.checkForgottenReturns(
- value, promiseCreated, "Promise.try", ret);
- ret._resolveFromSyncValue(value);
- return ret;
- };
- Promise.prototype._resolveFromSyncValue = function (value) {
- if (value === util.errorObj) {
- this._rejectCallback(value.e, false);
- } else {
- this._resolveCallback(value, true);
- }
- };
- };
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