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How to use the omit function from lodash

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

Lodash.omit is a JavaScript library that creates a new object by removing specified properties from an existing object.

astrobench.js

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* @example
*
* _.omit({ 'name': 'fred', 'age': 40 }, 'age');
* // => { 'name': 'fred' }
*
* _.omit({ 'name': 'fred', 'age': 40 }, function(value) {
*   return typeof value == 'number';
* });
* // => { 'name': 'fred' }
*/

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+ 3 other calls in file

netbot.js

GitHub: firewalla/firewalla

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    }
  }
}))

if (!msg.data.apiVer || msg.data.apiVer == 1) {
  promises.push(flowTool.prepareRecentFlows(jsonobj, _.omit(options, ['queryall'])))
}

// const platformSpecificStats = platform.getStatsSpecs();
// jsonobj.stats = {};

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How does lodash.omit work?

Lodash.omit works by creating a new object that contains all of the properties of an input object except for those specified in an array. This function takes two parameters: the input object and an array of property names to be excluded. Lodash.omit iterates over each property of the input object, and adds it to the new object if its name is not included in the exclusion array. This creates a new object with a subset of the properties from the original object. Lodash.omit can be useful in situations where it is necessary to create a copy of an object with certain properties removed, such as when passing data to a component or function that only requires a subset of the original data. By creating a new object with only the necessary properties, this can help to reduce the amount of memory used by the application and simplify the code.

data.js

GitHub: taskcluster/taskcluster

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  }


  // Compare "important" fields to another task (used to check idempotency)
  equals(other) {
    return _.isEqual(
      _.omit(other, STATUS_FIELDS),
      _.omit(this, STATUS_FIELDS));
  }
}

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main.js

GitHub: compdemocracy/polis

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}




function stripParams(paramsToStrip) {
  var params = Utils.decodeParams(encodedParams);
  var remainingParams = _.omit(params, paramsToStrip);
  var newEncodedParams = Utils.encodeParams(remainingParams);
  // don't redirect there, just change the current url in case of subsequent reload
  var path = document.location.pathname.match(/^((?!ep1_).)*/)[0];
  if (newEncodedParams) {

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+ 3 other calls in file

Ai Example

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const _ = require("lodash");

// Create an object with several properties
const originalObject = {
  name: "John Smith",
  age: 35,
  address: "123 Main St",
  phone: "555-1234",
  email: "john.smith@example.com",
};

// Create a new object with the 'address' and 'email' properties removed
const newObject = _.omit(originalObject, ["address", "email"]);

// Output the new object to the console
console.log(newObject);

In this example, we create an object (originalObject) with several properties. We then use Lodash.omit to create a new object (newObject) that contains all of the properties of originalObject, except for the address and email properties. Finally, we output the newObject to the console, which will contain only the name, age, and phone properties.

HostManager.js

GitHub: firewalla/firewalla

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      }
    }
  }
  if (config && config.interface && config.interface.wlan) {
    for (const key of Object.keys(config.interface.wlan)) {
      const temp = _.omit(config.interface.wlan[key], ['wpaSupplicant']);
      config.interface.wlan[key] = temp;
    }
  }
}

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+ 51 other calls in file

lodash-contrib.commonjs.js

GitHub: node4good/lodash-contrib

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module.exports.not                 = _.not;
module.exports.now                 = _.now;
module.exports.nth                 = _.nth;
module.exports.nthArg              = _.nthArg;
module.exports.nths                = _.nths;
module.exports.omit                = _.omit;
module.exports.omitBy              = _.omitBy;
module.exports.omitWhen            = _.omitWhen;
module.exports.once                = _.once;
module.exports.orderBy             = _.orderBy;

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+ 92 other calls in file

release.js

GitHub: suguru03/aigle

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  path.join(rootpath, 'dist', 'aigle-es5.min.js'),
  path.join(buildpath, 'aigle-es5.min.js')
);

// copy package.json
const json = _.omit(require('../../package'), ['files', 'scripts', 'private']);
json.main = 'lib/aigle';
json.browser = 'aigle-es5.min.js';
fs.writeFileSync(path.join(buildpath, 'package.json'), JSON.stringify(json, null, 2), 'utf8');

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+ 3 other calls in file

service.js

GitHub: moleculerjs/moleculer-apollo-server

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	return Array.isArray(dataLoaderKey)
		? await dataLoader.loadMany(dataLoaderKey)
		: await dataLoader.load(dataLoaderKey);
} else if (fileUploadArg != null && args[fileUploadArg] != null) {
	const additionalArgs = _.omit(args, [fileUploadArg]);

	if (Array.isArray(args[fileUploadArg])) {
		return await Promise.all(
			args[fileUploadArg].map(async uploadPromise => {

+ 3 other calls in file

ChallengeService.js

GitHub: topcoder-platform/challenge-api

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if (
  !prizeSetsGroup[constants.prizeSetTypes.ChallengePrizes] &&
  _.get(challenge, "overview.totalPrizes")
) {
  // remove the totalPrizes if challenge prizes are empty
  data.overview = challenge.overview = _.omit(challenge.overview, ["totalPrizes"]);
} else {
  const totalPrizes = helper.sumOfPrizes(
    prizeSetsGroup[constants.prizeSetTypes.ChallengePrizes][0].prizes
  );

+ 4 other calls in file

stow.js

GitHub: cylab-tw/raccoon

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} else if (_.get(dicomJson, `${tag}.InlineBinary`)) {
    binaryValuePath = `${tag}.InlineBinary`;
}

binaryData = _.get(dicomJson, binaryValuePath);
dicomJson = _.omit(dicomJson, [`${tag}.Value`]);
_.set(
    dicomJson,
    `${tag}.BulkDataURI`,
    `http://${req.headers.host}/${process.env.DICOMWEB_API}/studies/${studyUID}/series/${seriesUID}/instances/${instanceUID}/bulkdata/${binaryValuePath}`

+ 3 other calls in file

fieldsAnt.cjs.js

GitHub: mighty-justice/fields-ant

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    return this.props;
  }
}, {
  key: "inputProps",
  get: function get() {
    return lodash.omit(this.props, ['id', 'onChange', 'value']);
  }
}, {
  key: "valueObject",
  get: function get() {

+ 4 other calls in file

build-projects-files.task.js

GitHub: bestofjs/bestofjs-backend

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const data = {
  name: project.name,
  full_name: project.github.full_name,
  description: project.getDescription(),
  stars: project.github.stargazers_count,
  trends: omit(trends, "quarterly"),
  tags: project.tags.map(tag => tag.code),
  contributor_count: project.github.contributor_count,
  pushed_at: formatDate(project.github.last_commit),
  owner_id: project.github.owner_id,

+ 2 other calls in file

lookupReplaceAssets.js

GitHub: contentstack/cli

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if (
  _.has(parent, 'asset') &&
  _.has(parent, '_content_type_uid') &&
  parent._content_type_uid === 'sys_assets'
) {
  parent = _.omit(parent, ['asset']);
}

if (objekt.uid && mappedAssetUids && mappedAssetUids[objekt.uid]) {
  objekt.uid = mappedAssetUids[objekt.uid];

+ 3 other calls in file

contentful.js

GitHub: nsbarsukov/ml-bug-detector

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append: function (data) {
  this.items = this.items.concat(data.items);
  if(data.nextPageUrl){
    var nextPageUrl = data.nextPageUrl.split('?');
    this.query = _.omit(this.query, 'initial', 'type', 'sync_token');
    this.query.sync_token = querystring.parse(nextPageUrl[1]).sync_token;
  } else if(data.nextSyncUrl){
    var nextSyncUrl = data.nextSyncUrl.split('?');
    this.nextSyncToken = querystring.parse(nextSyncUrl[1]).sync_token;

+ 235 other calls in file

logger.js

GitHub: bcgov/pubcode

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format.printf((info) => {
  const stackTrace = info.stack ? `\n${info.stack}` : "";

  // handle single object
  if (!info.message) {
    const obj = omit(info, ["level", "timestamp", Symbol.for("level")]);
    return `${info.timestamp} - ${info.level}: ${obj}${stackTrace}`;
  }
  const splatArgs = info[Symbol.for("splat")] || [];
  const rest = splatArgs.join(" ");

dialCodeService.js

GitHub: Sunbird-Knowlg/knowledge-mw-service

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  }, req)
  return response.status(400).send(respUtil.errorResponse(rspObj))
}

if (data.request && data.request.search) {
  data.request.search = _.omit(data.request.search, ['qrCodeSpec'])
}
// Transform request for Content provider
var reqData = {
  request: data.request

lodash.js

GitHub: mdmarufsarker/lodash

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console.log(merge); // => { 'a': [{ 'b': 1, 'c': 3 }, { 'd': 2, 'e': 4 }] }


const mergeWith = _.mergeWith({ 'a': [{ 'b': 1 }, { 'd': 2 }] }, { 'a': [{ 'c': 3 }, { 'e': 4 }] }, (a, b) => a + b);
console.log(mergeWith); // => { 'a': [{ 'b': 1, 'c': 3 }, { 'd': 2, 'e': 4 }] }


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


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

+ 15 other calls in file

wObjectHelper.js

GitHub: Waiviogit/waivio-api

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const affiliateCodes = await getAppAffiliateCodes({ app, countryCode });

for (let obj of wobjects) {
  let exposedFields = [];
  obj.parent = '';
  if (obj.newsFilter) obj = _.omit(obj, ['newsFilter']);

  /** Get waivio admins and owner */
  const waivioAdmins = await getWaivioAdminsAndOwner();

+ 8 other calls in file

index.js

GitHub: Eveble/eveble

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    }
    return processedProps;
}
onValidation(props) {
    const mappings = Reflect.getMetadata(inversifyAsync.METADATA_KEY.TAGGED_PROP, this.constructor) || {};
    const propTypes = lodash.omit(this.getPropTypes(), Object.keys(mappings));
    const result = this.validateProps(props, propTypes, true);
    const hooks = this.getHooks('onValidation');
    for (const hook of Object.values(hooks)) {
        hook.bind(this)(props);

+ 14 other calls in file

hakemus.js

GitHub: solita/livijuku-front

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var avustuskohteet = _.flatten(_.map($scope.avustuskohdeluokat, function (l) {
  return l.avustuskohteet;
}));

avustuskohteet = _.map(avustuskohteet, function (kohde) {
  return _.omit(kohde, ['alv', 'includealv']);
});

tallennusPromise.push(AvustuskohdeService.tallenna(avustuskohteet));
if ($scope.isMaksatushakemus) {

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