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How to use the try function from bluebird

Find comprehensive JavaScript bluebird.try code examples handpicked from public code repositorys.

bluebird.try is a method that allows for error handling by attempting to execute a function and returning its result or error object.

DBManager.js

GitHub: cloudfoundry/service-fabrik-broker

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  this.dbState = CONST.DB.STATE.TB_INIT;
  this.initialize();
}

initialize() {
  return Promise.try(() => {
    if (_.get(config, 'mongodb.provision.plan_id') === undefined && _.get(config, 'mongodb.url') === undefined) {
      logger.warn('Mongodb not configured. Either DB URL or Mongo Plan Id must be configured for enabling MongoDB usage with ServiceFabrik.', _.get(config, 'mongodb.url'));
      this.dbState = CONST.DB.STATE.NOT_CONFIGURED;
      return;

+ 83 other calls in file

utils.js

GitHub: Tungchaphet/messenger-api.js

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}


function parseAndCheckLogin(ctx, defaultFuncs, retryCount) {
    if (retryCount == undefined) retryCount = 0;
    return function(data) {
        return bluebird.try(function() {
            log.verbose("parseAndCheckLogin", data.body);
            if (data.statusCode >= 500 && data.statusCode < 600) {
                if (retryCount >= 5) {
                    throw {

+ 32 other calls in file

How does bluebird.try work?

bluebird.try is a method in the Bluebird Promise library that provides a way to wrap a function call in a try-catch block and return a rejected Promise if an error is thrown within the function, allowing for easier error handling in Promise chains.

app.js

GitHub: wikimedia/mediawiki-services-chromium-render

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 */
function loadRoutes(app) {


    // get the list of files in routes/
    return fs.readdirAsync(`${__dirname}/routes`).map((fname) => {
        return BBPromise.try(() => {
            // ... and then load each route
            // but only if it's a js file
            if (!/\.js$/.test(fname)) {
                return undefined;

+ 2 other calls in file

instagram.js

GitHub: TMB-01/kaktus365-backend

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// (async () => {
//     const ig = new IgApiClient();
//     ig.state.generateDevice(igUsername);
//     // ig.state.proxyUrl = process.env.IG_PROXY;
//     Bluebird.try(async () => {
//         const auth = await ig.account.login(igUsername, igPassword);
//         console.log(auth);
//     }).catch(IgCheckpointError, async () => {
//         console.log(ig.state.checkpoint); // Checkpoint info here

+ 29 other calls in file

Ai Example

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const Promise = require("bluebird");

function getUser(id) {
  // simulate an asynchronous operation
  return Promise.delay(100).then(() => {
    if (id !== 1) {
      throw new Error("User not found");
    }

    return { id: 1, name: "John Doe" };
  });
}

// usage example
Promise.try(() => getUser(1))
  .then((user) => console.log(user))
  .catch((err) => console.error(err.message));

In this example, getUser function returns a Promise that resolves with a user object or rejects with an error if the user is not found. The Promise.try method is used to wrap the call to getUser in a try/catch block, so that any errors thrown by the function can be caught and handled by the catch method attached to the Promise chain.

i.js

GitHub: nasolodar/test

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 *   Optionally run the query in a transaction.
 * @returns {Promise<undefined>}
 *   A promise resolving to the updated Collection where this method was called.
 */
detach(ids, options) {
  return Promise.try(() => this.triggerThen('detaching', this, ids, options))
    .then(() => this._handler('delete', ids, options))
    .then((response) => this.triggerThen('detached', this, response, options))
    .return(this);
},

+ 7 other calls in file

index.js

GitHub: webnativesapp/standalone-devkit

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  throw new BuildError('configuration error');
}

var buildStream = api.streams.create('src');
return Promise.try(function () {
    return buildExports.setupStreams(api, app, config);
  })
  .then(function () {
    return buildExports.getStreamOrder(api, app, config);

+ 10 other calls in file

view.js

GitHub: SumeetOutlook/sumeet-practice

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}


function prettyView (packument, manifest, opts) {
  // More modern, pretty printing of default view
  const unicode = opts.unicode
  return BB.try(() => {
    if (!manifest) {
      log.error(
        'view',
        'No matching versions.\n' +

+ 6 other calls in file

utils.js

GitHub: LazyKaze/Disme-Bot-main

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function parseAndCheckLogin(ctx, defaultFuncs, retryCount) {
  if (retryCount == undefined) {
    retryCount = 0;
  }
  return function (data) {
    return bluebird.try(function () {
      log.verbose("parseAndCheckLogin", data.body);
      if (data.statusCode >= 500 && data.statusCode < 600) {
        if (retryCount >= 5) {
          throw {

+ 4 other calls in file

index.js

GitHub: FujiBilly/partition-sequelize-ts

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      return Promise.all(createIdxPrmList);
    });
}

static _createIndexV11 (options) {
  return Promise.try(() => this.QueryInterface.showIndex(this.getTableName(options), options))
    .then((indexes) => {
      // Assign an auto-generated name to indexes which are not named by the user
      this.options.indexes = this.QueryInterface.nameIndexes(this.options.indexes, this.tableName);
      indexes = _.filter(this.options.indexes, item1 =>

+ 5 other calls in file

user-strategy.js

GitHub: maybesmurf/gitter

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var contributors;

this.preload = function(userIds) {
  if (userIds.isEmpty()) return;

  return Promise.try(function() {
    if (options.includeRolesForTroupe) {
      return options.includeRolesForTroupe;
    }

+ 3 other calls in file

Other functions in bluebird

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bluebird.reject is the most popular function in bluebird (2988 examples)

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