How to use the isEqualWith function from lodash

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

lodash.isEqualWith is a function that performs a deep comparison of two values, with the ability to customize the comparison logic.

lodash-contrib.commonjs.js

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module.exports.isDate              = _.isDate;
module.exports.isDecreasing        = _.isDecreasing;
module.exports.isElement           = _.isElement;
module.exports.isEmpty             = _.isEmpty;
module.exports.isEqual             = _.isEqual;
module.exports.isEqualWith         = _.isEqualWith;
module.exports.isError             = _.isError;
module.exports.isEven              = _.isEven;
module.exports.isFinite            = _.isFinite;
module.exports.isFloat             = _.isFloat;

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+ 92 other calls in file

lodash.js

GitHub: mdmarufsarker/lodash

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console.log(isEmpty); // => true


const isEqual = _.isEqual({ 'a': 1 }, { 'a': 1 });
console.log(isEqual); // => true


const isEqualWith = _.isEqualWith({ 'a': 1 }, { 'a': 1 }, (a, b) => a === b);
console.log(isEqualWith); // => true


const isError = _.isError(new Error);
console.log(isError); // => true

+ 15 other calls in file

How does lodash.isEqualWith work?

lodash.isEqualWith is a function that performs a deep comparison of two values, with the option to customize the comparison logic using a customizer function. The customizer function is called for each comparison and allows the user to handle specific cases.

view_controller.js

GitHub: Jeon-Niroumand/jeons-club

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    );
}

//  locate any matching action block
const actionBlock = submitConf.find(actionBlock =>
    _.isEqualWith(
        formData.value,
        actionBlock.value,
        self.actionBlockValueComparator
    )

Ai Example

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const _ = require("lodash");

const object1 = { x: 1, y: 2 };
const object2 = { x: 1, y: "2" };

const customizer = (value1, value2, key) => {
  // Compare the values of the "y" property as numbers
  if (key === "y") {
    return _.eq(Number(value1), Number(value2));
  }
  // Use the default comparison for all other properties
  return undefined;
};

const isEqual = _.isEqualWith(object1, object2, customizer);

console.log(isEqual); // output: true

In this example, lodash.isEqualWith is used to compare two objects object1 and object2. The function customizer is passed as the third argument to lodash.isEqualWith. The customizer function is used to compare the values of the "y" property as numbers instead of strings. The isEqual variable holds the result of the comparison between object1 and object2, which is true because the values of the "x" property are equal and the values of the "y" property are equal when compared as numbers.

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