How to use the toPairsIn function from lodash

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

lodash.toPairsIn creates an array of own and inherited enumerable string keyed-value pairs for an object.

lodash-contrib.commonjs.js

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module.exports.toInteger           = _.toInteger;
module.exports.toLength            = _.toLength;
module.exports.toLower             = _.toLower;
module.exports.toNumber            = _.toNumber;
module.exports.toPairs             = _.toPairs;
module.exports.toPairsIn           = _.toPairsIn;
module.exports.toPath              = _.toPath;
module.exports.toPlainObject       = _.toPlainObject;
module.exports.toQuery             = _.toQuery;
module.exports.toSafeInteger       = _.toSafeInteger;

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+ 92 other calls in file

lodash.js

GitHub: mdmarufsarker/lodash

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console.log(setWith); // => { 'a': [{ 'b': { 'c': 4 } }] }


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


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


const transform = _.transform({ 'a': 1, 'b': 2, 'c': 1 }, (result, value, key) => {
    (result[value] || (result[value] = [])).push(key);

+ 15 other calls in file

How does lodash.toPairsIn work?

lodash.toPairsIn is a function that creates an array of key-value pairs for an object's own and inherited enumerable properties, similar to Object.entries, but also includes properties from the object's prototype chain.

topairsin.js

GitHub: dzendev/es6-or-lodash-and-underscore

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}


Foo.prototype.c = 3;


// lodash
console.log("lod.toPairsIn(new Foo)", lod.toPairsIn(new Foo));
console.log("lod.entriesIn(new Foo)", lod.entriesIn(new Foo)); // alias


// es6
function toPairsIn(obj) {

Ai Example

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const _ = require("lodash");

function Foo() {
  this.a = 1;
  this.b = 2;
}

Foo.prototype.c = 3;

console.log(_.toPairsIn(new Foo()));
// Output: [['a', 1], ['b', 2], ['c', 3]]

In this example, lodash.toPairsIn is used to create an array of key-value pairs for all enumerable properties, including properties on the object's prototype, of the Foo object. The output shows an array of arrays where each subarray contains the property name as the first element and the property value as the second element.

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