How to use the result function from lodash

Find comprehensive JavaScript lodash.result code examples handpicked from public code repositorys.

lodash.result returns the value at the given object path.

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 * };
 *
 * _.result(object, 'cheese');
 * // => 'crumpets'
 *
 * _.result(object, 'stuff');
 * // => 'nonsense'
 */
function result(object, key) {
  if (object) {
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module.exports.renameKeys          = _.renameKeys;
module.exports.repeat              = _.repeat;
module.exports.repeatContrib       = _.repeatContrib;
module.exports.replace             = _.replace;
module.exports.rest                = _.rest;
module.exports.result              = _.result;
module.exports.reverse             = _.reverse;
module.exports.reverseOrder        = _.reverseOrder;
module.exports.round               = _.round;
module.exports.runInContext        = _.runInContext;
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How does lodash.result work?

lodash.result(object, path, [defaultValue]) is a utility function in Lodash that returns the value of the property at the specified path of the object. If the resolved value is undefined, the defaultValue is returned if provided, otherwise undefined is returned.

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if (obj.type !== undefined) {
  // Map id to string if needed
  if (typeof obj.type === 'number') {
    obj.type = result(find(this.typeList, {id: obj.type}), 'name');
  } else if (typeof obj.type === 'string' || obj.type instanceof String) {
    obj.type = result(find(this.typeList, {name: obj.type}), 'name');
  }

  if (obj.type !== undefined) {
    if (typeof packets[obj.type].toBuffer === 'function') {
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console.log(pick); // => { 'a': 1, 'c': 3 }


const pickBy = _.pickBy({ 'a': 1, 'b': '2', 'c': 3 }, _.isNumber);
console.log(pickBy); // => { 'a': 1, 'c': 3 }


const result = _.result({ 'a': { 'b': () => 2 } }, 'a.b');
console.log(result); // => 2


const set = _.set({ 'a': [{ 'b': { 'c': 3 } }] }, 'a[0].b.c', 4);
console.log(set); // => { 'a': [{ 'b': { 'c': 4 } }] }
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Ai Example

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const _ = require("lodash");

const person = {
  name: "Alice",
  age: 30,
  city: {
    name: "New York",
    country: "USA",
  },
};

const country = _.result(person, "city.country", "Unknown");

console.log(country); // USA

In this example, lodash.result is used to retrieve the value of the country property of the city object inside the person object. If the city.country property is not found, the default value 'Unknown' is returned instead. The resulting value 'USA' is then assigned to the country variable and printed to the console.

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  if (this.type !== 'belongsTo' && this.isForeignKeyTargeted()) {
    return this.foreignKeyTarget;
  }

  return _.result(parent, 'idAttribute');

case 'targetIdAttribute':
  if (this.isThrough()) {
    if ((this.type === 'belongsToMany' || this.type === 'belongsTo') && this.isOtherKeyTargeted()) {
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const existy = x => x !== null;
const truthy = x => x !== false && existy(x);
const doWhen = (cond, action) => truthy(cond) ? action() : undefined;
const executeIfHasField = (target, name) => doWhen(existy(target[name]), () => {
  const result = _.result(target, name);
  console.log(['The result is', result].join(' '));
  return result;
});
const obj = {
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logger.error(
    {
        method: ctx.path,
        acc: ctx.User.email,
        rid: _.result(ctx.request, 'body.request_id', undefined),
        request: _.result(ctx.request, 'body', undefined),
        gr_rid: ctx.path === '/getrooms' ? ctx.request.id : undefined
    },
    JSON.stringify(verbosity)
)
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if (
  Array.isArray(ssoConfig.IdpCertificates) &&
  ssoConfig.IdpCertificates.length > 0
) {
  idpSetting.signingCert = removeCertHead(
    _.result(
      _.find(ssoConfig.IdpCertificates, function (obj) {
        return (
          obj.Action === "verification" ||
          obj.Action === "verification and decrypt"
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  if (fieldIds.include('reason')) { body += `reason:${vars.reason}\n`; }
  if (fieldIds.include('price')) { body += `price:${vars.price || 0}\n`; }
} else {
  let json = {};
  for (const field of Array.from(fieldIds)) {
    const value = _.result(dotaccess.get(vars, field), 'valueOf');
    if (value !== undefined) {
      // changes "foo.42.bar" -> "foo.'42'.bar" (flat.unflatten() behaves badly with numeric JSON path segments)
      const dotString = field.match(embeddedNumericRegex) ? field.replace(embeddedNumericRegex, ".'$1'.") : field;
      json[dotString] = value;
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  return !_.includes(aryMethods, funcName);
}


function getTemplate(moduleName) {
  var data = {
    'name': _.result(mapping.aliasToReal, moduleName, moduleName),
    'mapping': mapping
  };


  if (isAlias(moduleName)) {
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addCounts: function (options) {
    if (!options) {
        return;
    }

    const tableName = _.result(this, 'tableName');

    if (options.withRelated && options.withRelated.indexOf('count.posts') > -1) {
        // remove post_count from withRelated
        options.withRelated = _.pull([].concat(options.withRelated), 'count.posts');
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 *
 * @param {Bookshelf.Model} model instance of Bookshelf model
 * @param {String[]} relationsToLoad relations to be included in joins
 */
function withEager(model, relationsToLoad) {
    const tableName = _.result(model.constructor.prototype, 'tableName');


    return function (qb) {
        if (!model.relationsMeta) {
            return qb;
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if (_.has(casesObj, value)) {
  return _.result(casesObj, value)
}

if (_.has(casesObj, defaultKey)) {
  return _.result(casesObj, defaultKey)
}

const keys = _.keys(casesObj)
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this.apply = function (amount) {
  return amount * (1 - this.reductionFor(amount))
}
this.reductionFor = function (total) {
  var reduction = _.result(_.find(reductions, function (reduc) { return reduc.sum <= total }), 'reduction')
  if (reduction === undefined) {
    return 0
  }
  return reduction
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