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How to use the omit function from underscore

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

underscore.omit is a function provided by the Underscore.js library that creates a new object by omitting specified keys from an existing object.

%5Bid%5D.js

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formData['constituency_id'] = constituencyRef.current.state.value.value
formData['ward'] = wardRef.current.state.value.value

let payload = {}

const _payload = _.omit(formData, function (v, k) { return basicDetailsData[k] === v})
if(officer_in_charge) {
    payload = {..._payload, officer_in_charge}
}
else{

+ 14 other calls in file

repo.js

GitHub: Cloud-V/Backend

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if (!senderProfile) {
    from = req.user;
} else {
    from = _.extend(
        senderProfile.toJSON(),
        _.omit(req.user.toJSON(), [
            "password",
            "admin",
            "superAdmin",
        ])

+ 5 other calls in file

How does underscore.omit work?

underscore.omit is a function provided by the Underscore.js library that creates a new object by omitting specified keys from an existing object. When you call underscore.omit, you provide an object and a list of keys to omit from the object. The function then creates a new object with all the same properties as the input object, except for those specified by the keys to omit. The resulting object includes all properties from the input object that were not omitted, including any properties that were not listed in the keys to omit. Note that underscore.omit creates a new object rather than modifying the original object, so the input object is not modified by the function. Overall, underscore.omit provides a powerful tool for manipulating and filtering objects in JavaScript, allowing you to create new objects that include only the properties you need while omitting others.

index.js

GitHub: Cloud-V/Backend

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    const profile = await User.getUserProfile({
        user: user._id,
    });
    const merged = _.extend(
        profile.toJSON(),
        _.omit(user, ["password"])
    );
    return res.status(200).json(merged);
} catch (err) {
    console.error(err);

+ 3 other calls in file

repo.js

GitHub: Cloud-V/Backend

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    user: newRepo.owner,
    parent: cloneMap[sourceEntry.parent],
    remoteParent: sourceEntry._id,
};
const newEntry = _.extend(
    _.omit(
        clone(sourceEntry),
        Utils.nonCloneable.concat([
            "repo",
            "user",

+ 5 other calls in file

Ai Example

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const _ = require("underscore");

// Define an input object
const input = {
  name: "John Doe",
  age: 30,
  email: "johndoe@example.com",
  phone: "555-1234",
};

// Create a new object by omitting specified keys
const output = _.omit(input, "email", "phone");

console.log(output);
// Output: { name: 'John Doe', age: 30 }

In this example, an input object with properties for name, age, email, and phone is defined. underscore.omit is then called on the input object, specifying the keys to omit as the email and phone properties. The resulting output object includes all the same properties as the input object, except for email and phone, which were omitted from the new object. The resulting output is logged to the console. Note that underscore.omit can be used in various contexts to manipulate and filter objects in JavaScript, providing a powerful tool for working with complex data structures.

callback_token.js

GitHub: Cloud-V/Backend

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let newToken = new callbackTokenModel();

newToken = _.extend(
    newToken,
    _.pick(
        _.omit(tokenData, Utils.nonCloneable),
        _.pickSchema(callbackTokenModel)
    )
);

organization.js

GitHub: Cloud-V/Backend

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newOrganization.description = "";

newOrganization = _.extend(
    newOrganization,
    _.pick(
        _.omit(organization, Utils.nonCloneable),
        _.pickSchema(organizationModel)
    )
);

customer.js

GitHub: imamfarisi19/nodejs-farisi

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// get a customer view model
// NOTE: readers of the book will notice that this function differs from the version
// in the book.  Unfortunately, the version in the book is incorrect (Mongoose does not
// oofer an asynchronous version of .findById).  My apologies to my readers.
function getCustomerViewModel(customer, orders){
	var vm = _.omit(customer, 'salesNotes');
	return _.extend(vm, {
		name: smartJoin([vm.firstName, vm.lastName]),
		fullAddress: smartJoin([
			customer.address1,

PackManager.js

GitHub: overleaf/overleaf

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// rewrite any query using doc_id to use _id instead
// (because docHistoryIndex uses the doc_id)

_rewriteQueryForIndex(query) {
  const indexQuery = _.omit(query, 'doc_id')
  if ('doc_id' in query) {
    indexQuery._id = query.doc_id
  }
  return indexQuery

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+ 5 other calls in file

new-highs.js

GitHub: chiefsmurph/robinhood-playground

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// onlyQuality = await mapLimit(onlyQuality, 13, async buy => ({
//     ...buy,
//     stSent: (await getStSent(buy.ticker) || {}).bullBearScore
// }));

str({ onlyQuality: onlyQuality.map(t => omit(t, "yearHistoricals")) })
const lowestThirtyFiveTo90Ratio = topQuarterBySort(
    onlyQuality,
    (a, b) => a.thirtyFiveTo90ratio - b.thirtyFiveTo90ratio
).map(t => t.ticker);

+ 5 other calls in file

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