mirror of
https://github.com/gosticks/DefinitelyTyped.git
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398 lines
12 KiB
TypeScript
398 lines
12 KiB
TypeScript
/// <reference path="../node/node.d.ts" />
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/// <reference path="when.d.ts" />
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import fs = require('fs');
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import dns = require('dns');
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import when = require("when");
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class ForeignPromise<T> {
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constructor(private value: T) {
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}
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then<U>(onFulfilled: (value: T) => U, onRejected?: (reason: any) => U) { return new ForeignPromise<U>(onFulfilled(this.value)); }
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};
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var promise: when.Promise<number>;
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var foreign = new ForeignPromise<number>(1);
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var error = new Error("boom!");
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var example: () => void;
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/* * * * * * *
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* Core *
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* * * * * * */
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/* when(x) */
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promise = when(1);
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promise = when(when(1));
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promise = when(foreign);
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/* when(x, f) */
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promise = when(1, val => val + val);
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promise = when(when(1), val => val + val);
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promise = when(foreign, val => val + val);
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/* when.try(f, ...args) */
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promise = when.attempt(() => 1);
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promise = when.attempt((a: number) => a + a, 1);
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promise = when.attempt((a: number) => a + a, when(1));
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promise = when.attempt((a: number, b: string) => a, 1, '2');
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promise = when.attempt((a: number, b: string) => a, 1, when('2'));
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promise = when.attempt((a: number, b: string) => a, when(1), '2');
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promise = when.attempt((a: number, b: string) => a, when(1), when('2'));
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promise = when.attempt((a: number, b: string, c: boolean) => a, 1, '2', true);
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promise = when.attempt((a: number, b: string, c: boolean) => a, 1, when('2'), true);
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promise = when.attempt((a: number, b: string, c: boolean) => a, when(1), '2', true);
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promise = when.attempt((a: number, b: string, c: boolean) => a, when(1), when('2'), true);
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promise = when.attempt((a: number, b: string, c: boolean) => a, 1, '2', when(true));
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promise = when.attempt((a: number, b: string, c: boolean) => a, 1, when('2'), when(true));
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promise = when.attempt((a: number, b: string, c: boolean) => a, when(1), '2', when(true));
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promise = when.attempt((a: number, b: string, c: boolean) => a, when(1), when('2'), when(true));
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promise = when.attempt((a: number, b: string, c: boolean, d: number, e: string) => a, when(1), when('2'), when(true), when(4), when('5'));
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/* when.lift(f) */
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var liftedFunc0 = when.lift(() => 0);
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var liftedFunc1 = when.lift((a: number) => a);
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var liftedFunc2 = when.lift((a: number, b: string) => a);
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var liftedFunc3 = when.lift((a: number, b: string, c: boolean) => a);
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var liftedFunc5 = when.lift((a: number, b: string, c: boolean, d: number, e: string) => a);
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promise = liftedFunc0();
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promise = liftedFunc1(1);
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promise = liftedFunc1(when(1));
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promise = liftedFunc2(1, '2');
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promise = liftedFunc2(when(1), '2');
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promise = liftedFunc2(1, when('2'));
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promise = liftedFunc2(when(1), when('2'));
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promise = liftedFunc3(1, '2', true);
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promise = liftedFunc3(when(1), '2', true);
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promise = liftedFunc3(1, when('2'), true);
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promise = liftedFunc3(when(1), when('2'), true);
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promise = liftedFunc3(1, '2', when(true));
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promise = liftedFunc3(when(1), '2', when(true));
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promise = liftedFunc3(1, when('2'), when(true));
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promise = liftedFunc3(when(1), when('2'), when(true));
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promise = liftedFunc5(when(1), when('2'), when(true), when(4), when('5'));
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/* when.join(...promises) */
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var joinedPromise: when.Promise<number[]> = when.join(when(1), when(2), when(3));
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/* when.all(arr) */
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when.all<number[]>([when(1), when(2), when(3)]).then(results => {
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return results.reduce((r, x) => r + x, 0);
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});
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/* when.settle(arr) */
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when.settle<number>([when(1), when(2), when.reject(new Error("Foo"))]).then(descriptors => {
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return descriptors.filter(d => d.state === 'rejected').reduce((r, d) => r + d.value, 0);
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});
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/* when.promise(resolver) */
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promise = when.promise<number>(resolve => resolve(5));
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promise = when.promise<number>((resolve, reject) => reject(error));
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/* when.resolve(x) */
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promise = when.resolve(1);
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promise = when.resolve(promise);
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promise = when.resolve(foreign);
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/* when.reject(error) */
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promise = when.reject<number>(error);
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/* when.defer() */
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var deferred = when.defer<number>();
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promise = deferred.promise;
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deferred.resolve(1);
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deferred.reject(error);
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/* * * * * * * *
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* Promise *
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* * * * * * * */
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/* promise.done(handleResult, handleError) */
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when(1).done((val: number) => console.log(val));
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when(1).done((val: number) => console.log(val), (err: any) => console.log(err));
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/* promise.then(onFulfilled) */
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promise = when(1).then((val: number) => val + val);
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promise = when(1).then((val: number) => when(val + val));
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promise = when(1).then((val: number) => val + val, (err: any) => 2);
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promise = when(1).then((val: number) => when(val + val), (err: any) => 2);
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/* promise.spread(onFulfilledArray) */
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promise = when([]).spread(() => 2);
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promise = when([1]).spread((a: number) => a);
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promise = when([1, '2']).spread((a: number, b: string) => a);
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promise = when([1, '2', true]).spread((a: number, b: string, c: boolean) => a);
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promise = when([1, '2', true]).spread((a: number, b: string, c: boolean) => when(a));
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/* promise.fold(combine, promise2) */
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promise = when(1).fold((a: number, b: string) => a, '2');
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promise = when(1).fold((a: number, b: string) => a, when('2'));
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promise = when(1).fold((a: number, b: string) => when(a), '2');
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promise = when(1).fold((a: number, b: string) => when(a), when('2'));
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/* promise.catch(onRejected) */
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promise = when(1).catch((err: any) => 2);
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promise = when(1).catch((err: any) => when(2));
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promise = when(1).catch((err: any) => err.good, (err: any) => 2);
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promise = when(1).catch((err: any) => err.good, (err: any) => when(2));
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promise = when(1).catch(Error, (err: any) => 2);
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promise = when(1).catch(Error, (err: any) => when(2));
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//TODO: error constructor predicate
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promise = when(1).otherwise((err: any) => 2);
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promise = when(1).otherwise((err: any) => when(2));
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promise = when(1).otherwise((err: any) => err.good, (err: any) => 2);
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promise = when(1).otherwise((err: any) => err.good, (err: any) => when(2));
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/* promise.finally(cleanup) */
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promise = when(1).finally(() => console.log('Cleaning up'));
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promise = when(1).ensure(() => console.log('Cleaning up'));
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/* promise.yield(x) */
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promise = when(true).yield(1);
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promise = when(true).yield(when(2));
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/* promise.else(x) */
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promise = when(1).else(2);
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promise = when(1).else(2);
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promise = when(1).orElse(2);
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promise = when(1).orElse(2);
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/* promise.tap(onFulfilledSideEffect) */
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promise = when(1).tap(val => console.log(val));
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/* promise.delay(milliseconds) */
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promise = when(1).delay(1000);
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/* promise.timeout(milliseconds, reason) */
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promise = when(1).timeout(1000);
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promise = when(1).timeout(1000, new Error('Too SLOW!'));
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/* promise.inspect() */
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var status: {
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state: string;
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value?: number;
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reason?: any;
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};
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status = when(1).inspect()
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/* promise.with(thisArg) */
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promise = when(1).with(2);
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promise = when(1).withThis(2);
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/* * * * * * * * *
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* when/node *
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* * * * * * * * */
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import nodefn = require('when/node');
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/* node.lift */
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var nodeFn0 = (callback: (err: any, result: number) => void) => callback(null, 0);
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var nodeFn1 = (a: number, callback: (err: any, result: number) => void) => callback(null, a);
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var nodeFn2 = (a: number, b: string, callback: (err: any, result: number) => void) => callback(null, a);
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var nodeFn3 = (a: number, b: string, c: boolean, callback: (err: any, result: number) => void) => callback(null, a);
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var nodeFn5 = (a: number, b: string, c: boolean, d: number, e: string, callback: (err: any, result: number) => void) => callback(null, a);
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var liftedNodeFunc0 = nodefn.lift(nodeFn0);
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var liftedNodeFunc1 = nodefn.lift(nodeFn1);
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var liftedNodeFunc2 = nodefn.lift(nodeFn2);
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var liftedNodeFunc3 = nodefn.lift(nodeFn3);
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var liftedNodeFunc5 = nodefn.lift(nodeFn5);
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promise = liftedNodeFunc0();
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promise = liftedNodeFunc1(1);
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promise = liftedNodeFunc1(when(1));
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promise = liftedNodeFunc2(1, '2');
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promise = liftedNodeFunc2(when(1), '2');
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promise = liftedNodeFunc2(1, when('2'));
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promise = liftedNodeFunc2(when(1), when('2'));
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promise = liftedNodeFunc3(1, '2', true);
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promise = liftedNodeFunc3(when(1), '2', true);
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promise = liftedNodeFunc3(1, when('2'), true);
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promise = liftedNodeFunc3(when(1), when('2'), true);
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promise = liftedNodeFunc3(1, '2', when(true));
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promise = liftedNodeFunc3(when(1), '2', when(true));
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promise = liftedNodeFunc3(1, when('2'), when(true));
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promise = liftedNodeFunc3(when(1), when('2'), when(true));
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promise = liftedNodeFunc5(when(1), when('2'), when(true), when(4), when('5'));
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example = function() {
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var resolveAddress = nodefn.lift(dns.resolve);
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when.join(
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resolveAddress(when('twitter.com')),
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resolveAddress(when('facebook.com')),
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resolveAddress(when('google.com'))
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).then((addresses) => {
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// All addresses resolved
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}).catch((reason) => {
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// At least one of the lookups failed
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});
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}
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/* node.liftAll */
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// Cannot be represented?
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example = function() {
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// Lift the entire dns API
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var promisedDns = nodefn.liftAll(dns);
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when.join(
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promisedDns.resolve("twitter.com"),
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promisedDns.resolveNs("facebook.com"),
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promisedDns.resolveMx("google.com")
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).then((addresses) => {
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// All addresses resolved
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}).catch((reason) => {
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// At least one of the lookups failed
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});
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}
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example = function() {
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// Lift all of the fs methods, but name them with an 'Async' suffix
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var promisedFs = nodefn.liftAll(fs, (promisedFs: any, liftedFunc: Function, name: string) => {
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promisedFs[name + 'Async'] = liftedFunc;
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return promisedFs;
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});
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promisedFs.readFileAsync('file.txt').done(console.log.bind(console));
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}
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example = function() {
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// Lift all of the fs methods, but name them with an 'Async' suffix
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// and add them back onto fs!
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var promisedFs = nodefn.liftAll(fs, (promisedFs: any, liftedFunc: Function, name: string) => {
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promisedFs[name + 'Async'] = liftedFunc;
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return promisedFs;
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}, fs);
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if (promisedFs === fs) {
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promisedFs.readFileAsync('file.txt').done(console.log.bind(console));
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}
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}
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/* node.call */
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promise = nodefn.call(nodeFn0);
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promise = nodefn.call(nodeFn1, 1);
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promise = nodefn.call(nodeFn1, when(1));
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promise = nodefn.call(nodeFn2, 1, '2');
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promise = nodefn.call(nodeFn2, 1, when('2'));
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promise = nodefn.call(nodeFn2, when(1), '2');
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promise = nodefn.call(nodeFn2, when(1), when('2'));
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promise = nodefn.call(nodeFn3, 1, '2', true);
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promise = nodefn.call(nodeFn3, 1, when('2'), true);
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promise = nodefn.call(nodeFn3, when(1), '2', true);
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promise = nodefn.call(nodeFn3, when(1), when('2'), true);
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promise = nodefn.call(nodeFn3, 1, '2', when(true));
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promise = nodefn.call(nodeFn3, 1, when('2'), when(true));
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promise = nodefn.call(nodeFn3, when(1), '2', when(true));
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promise = nodefn.call(nodeFn3, when(1), when('2'), when(true));
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promise = nodefn.call(nodeFn5, when(1), when('2'), when(true), when(4), when('5'));
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example = function () {
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var loadPasswd = nodefn.call(fs.readFile, '/etc/passwd');
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loadPasswd.done(
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(passwd: Buffer) => console.log('Contents of /etc/passwd:\n' + passwd),
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(error: any) => console.log('Something wrong happened: ' + error));
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};
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/* node.apply */
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promise = nodefn.apply(nodeFn2, [1, '2']);
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example = function () {
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var loadPasswd = nodefn.apply(fs.readFile, ['/etc/passwd']);
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loadPasswd.done(
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(passwd: Buffer) => console.log('Contents of /etc/passwd:\n' + passwd),
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(error: any) => console.log('Something wrong happened: ' + error));
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};
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/* node.liftCallback */
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example = function () {
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var fetchData: (key: string) => when.Promise<number>;
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var handleData: (err: any, result: number) => void;
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var handlePromisedData: (result: when.Promise<number>) => when.Promise<number>;
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handlePromisedData = nodefn.liftCallback(handleData);
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handlePromisedData(fetchData('thing'));
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};
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/* node.bindCallback */
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example = function () {
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var fetchData: (key: string) => when.Promise<number>;
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var handleData: (err: any, result: number) => void;
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nodefn.bindCallback(fetchData('thing'), handleData);
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};
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/* node.createCallback */
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example = function () {
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when.promise((resolve, reject) =>
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nodeFn2(1, '2', nodefn.createCallback({ resolve: resolve, reject: reject })))
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.then(
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(value: number) => console.log(value),
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(err: any) => console.error(err));
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};
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