How to use the matches function from lodash

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

lodash.matches is a function in the Lodash library that creates a function that matches properties of an object with corresponding values.

lodash-contrib.commonjs.js

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module.exports.mapArgs             = _.mapArgs;
module.exports.mapArgsWith         = _.mapArgsWith;
module.exports.mapKeys             = _.mapKeys;
module.exports.mapValues           = _.mapValues;
module.exports.mapcat              = _.mapcat;
module.exports.matches             = _.matches;
module.exports.matchesProperty     = _.matchesProperty;
module.exports.max                 = _.max;
module.exports.maxBy               = _.maxBy;
module.exports.mean                = _.mean;

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+ 92 other calls in file

lodash.js

GitHub: mdmarufsarker/lodash

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console.log(identity); // => 1


const iteratee = _.iteratee({ 'a': 1 });
console.log(iteratee); // => [Function: matches]


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


const matchesProperty = _.matchesProperty('a', 1);
console.log(matchesProperty({ 'a': 1, 'b': 2 })); // => true

+ 15 other calls in file

How does lodash.matches work?

lodash.matches is a function that creates a predicate function to check if an object contains a set of key-value pairs. It returns a function that takes an object as an argument and returns true if the object contains all the specified key-value pairs, false otherwise. The function performs a shallow comparison of the values of the object's properties.

command_queue.js

GitHub: julianoprogrammierer/cypress-DIO

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logs (filters) {
  let logs = _.flatten(this.invokeMap('get', 'logs'))

  if (filters) {
    const matchesFilters = _.matches(filters)

    logs = _.filter(logs, (log) => {
      return matchesFilters(log.get())
    })

Ai Example

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const users = [
  { name: "John", age: 20 },
  { name: "Jane", age: 25 },
  { name: "Bob", age: 30 },
];

// Create a function that matches users with a name starting with 'J'
const matcher = _.matches({ name: /^J/ });

// Use the matcher function to filter the array
const filteredUsers = _.filter(users, matcher);

console.log(filteredUsers); // Output: [{ name: 'John', age: 20 }, { name: 'Jane', age: 25 }]

In this example, we use lodash.matches to create a matcher function that matches objects with a name property that starts with the letter 'J'. We then use this matcher function to filter an array of user objects, returning only the objects that match the specified criteria.

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