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Lodash _.flow() Method - GeeksforGeeks

Last Updated : 20 Oct, 2023

Lodash _.flow() method is used to generate a new composite function that returns the result of invoking the provided functions with the binding of the function generated. Each of the successive invocations is provided the return value of the previous.

_.flow([funcs]);

• funcs: This parameter holds the functions that are to be invoked. It is an optional parameter.

This method returns the new composite function.

Example 1: In this example, we are using the _.flow() method and passing a function cube and the _.multiply() method and returning the result.

// Requiring the lodash library  
const _ = require("lodash");

// Function to calculate the
// Cube of a number
function cube(number) {
    return number * number * number;
}

// Using the _.flow() method  
let multiplycube = _.flow([_.multiply, cube]);

// Return the output
console.log(multiplycube(2, 3));

 Output: 

216

Example 2: In this example, we are using the _.flow() method and passing a function doubled and the _.add() method and returning the result.

// Requiring the lodash library  
const _ = require("lodash");

// Function to calculate the
// double value of a number
function doubled(number) {
    return number * 2;
}

// Using the _.flow() method  
let adddoubled = _.flow([_.add, doubled]);

// Return the output
console.log(adddoubled(6, 8));

 Output: 

28

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