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How to use the eachOf function from async

Find comprehensive JavaScript async.eachOf code examples handpicked from public code repositorys.

async.eachOf is a function in the async library for iterating over an object's properties and calling an async function for each key-value pair.

sub.js

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if (skip === true) {
  return setTimeout(function() { asyncCallback() }, 3 * 1000);
}

var isAnyConsumed = false;
async.eachOf(CONNECTOR_TOPIC_FUNC_MAP, function(connector, ctfKey, eachCallback) {
  async.times(subWorkerCount, function(n, timesCallback) {
    connector.client.consume(function(err, isConsumed){
      if (err) app.locals.logger.logError(err);

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find-cosigner-users.js

GitHub: logicahealth/eHMP

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    return app;
}

function reportCosignUsers(app) {
    var vistaSites = _.get(app, 'config.vistaSites', {});
    async.eachOf(vistaSites, function (site, siteHash, siteCallback) {
        var rpcClient = createRpcClient(site);

        async.waterfall([
            _.partial(async.parallel, {

How does async.eachOf work?

async.eachOf is an asynchronous method in the async library in Node.js that executes a provided function once per each property in an object, with the signature function (value, key, callback). It takes an object and an iteratee function as input and applies the iteratee function to each key-value pair in the object, executing the final callback function when all the operations are completed or an error occurs.

SearchIndexer.js

GitHub: WildCodeSchool/lyon-p3-sens-interdit

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 *
 * @param tables
 * @param next
 */
static setFieldsOnTables(tables, next) {
  async.eachOf(
    tables,
    (ids, table, callback) => {
      if (table === 'archives_olds') {
        tables['archives_olds'] = [

index.js

GitHub: marcelo-mason/awaitable-async

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    })
  })
}
async eachOf(coll, iteratee) {    
  return new Promise(async (resolve, reject) => { 
    async.eachOf(coll, iteratee, (err, res) => {
      if (err) { 
        reject(err)
      } else {
        resolve(res)

+ 21 other calls in file

Ai Example

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const async = require("async");

const myObject = {
  a: 1,
  b: 2,
  c: 3,
};

async.eachOf(
  myObject,
  (value, key, callback) => {
    // Perform some asynchronous operation on each key-value pair
    console.log(`${key}: ${value}`);
    callback();
  },
  (err) => {
    if (err) {
      console.error(err);
      return;
    }
    console.log("All operations complete!");
  }
);

In this example, async.eachOf is used to iterate over the myObject object and perform an asynchronous operation for each key-value pair. The function console.log(${key}: ${value}) is called for each key-value pair, logging the key and value to the console. Once all operations have completed, the final callback function is called.

ondialsearch-base.js

GitHub: Smokex365/SpeedDial-FVD-Cleansed

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}

async.setImmediate = _setImmediate ? _delay : async.nextTick;

async.forEach = async.each = function (arr, iterator, callback) {
	return async.eachOf(arr, _withoutIndex(iterator), callback);
};

async.forEachSeries = async.eachSeries = function (arr, iterator, callback) {
	return async.eachOfSeries(arr, _withoutIndex(iterator), callback);

+ 14 other calls in file

runtime.js

GitHub: mehdigoom/ValjangEngine-3.0.x-server

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    callback = iterator;
    iterator = memo;
    memo = _isArray(arr) ? [] : {};
}

async.eachOf(arr, function(v, k, cb) {
    iterator(memo, v, k, cb);
}, function(err) {
    callback(err, memo);
});

+ 43 other calls in file

drupalRest.js

GitHub: plepe/drupal-rest-js

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  options = {}
}

async.eachOf(
  content,
  (a, key, done) => async.eachOf(a, (value, index, done) => {
    if (value.data) {
      if (value.target_type === 'fileUpload') {
        this.fileUpload(value.data, [entityType, content.type[0].target_id, key].join('/'), {},
          (err, result) => {

+ 3 other calls in file

webServer.js

GitHub: curlymess/cs142

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const allPhotos = JSON.parse(JSON.stringify(photos));

allPhotos.forEach(photo => {
    delete photo.__v; // avoid extra prop err due to mongoDb auto adding
    
    async.eachOf(photo.comments, (comment, index, callback) => {
        User.findById({ _id: comment.user_id }, (error, user) => {

            if (!error) {
                const jsUser = JSON.parse(JSON.stringify(user)); //js obj

automation.js

GitHub: zimbora/rtls-controller

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      console.log(key,self.sensor[key].value)
    }
  }
})

async.eachOf(actuator,(a,key,array)=>{
  a = a.state;
  if(a.protocol == "MQTT"){
    if(a.mqtt_get.topic == topic){
      try{

Other functions in async

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async.parallel is the most popular function in async (1226 examples)

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