Package Exports

settle-all-promises

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Readme

settle-all-promises

Utility to run multiple promises & deliver execution results of all Promises at a time.

An alternative to Promise.allSettled() method for versions of node prior to 12.9.0

Installation

npm i settle-all-promises --save

Use

var settle = require('settle-all-promises').settle;
var stat = require('settle-all-promises').stat;

var p0  = new Promise((resolve, reject) => {
    resolve('p0 result')
});

var p1  = new Promise((resolve, reject) => {
    resolve({'message' : 'p1 result message'})
});

var p2  = new Promise((resolve, reject) => {
    reject('p2')
});

settle([p0, p1, p2]).then(results => {
    // p0 result at index 0
    console.log('p0 isResolved() ' + results[0].isResolved);
    console.log(results[0].resultData);

    // p1 result at index 1
    console.log('p1 isResolved() ' + results[1].isResolved);
    console.log(JSON.stringify(results[1].resultData));

    // p2 result at index 2
    console.log('p2 isResolved() ' + results[2].isResolved);
    console.log('p2 isRejected() ' + results[2].isRejected);
    console.log(results[2]);

    // Print statistics of execution
    console.log(JSON.stringify(stat(results)));
})

Output

p0 isResolved() true
p0 result
p1 isResolved() true
{"message":"p1 result message"}
p2 isResolved() false
p2 isRejected() true
PromiseResult {
  _original: Promise { <rejected> 'p2' },
  _resultData: null,
  _errorData: 'p2'
}
{"resolvedCount":2,"rejectedCount":1}

Compatibility

Min node version tested against -> v0.12.0 Max node version tested against -> v14.3.0