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generate-function

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generate-function

Module that helps you write generated functions in Node

  • 1.1.0
  • Source
  • npm
  • Socket score

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4.1M
increased by16.22%
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What is generate-function?

The generate-function package is a tool for creating dynamic functions in JavaScript. It allows developers to programmatically build new functions as strings and then compile them into executable functions. This can be particularly useful for cases where you need to generate custom logic at runtime based on certain conditions, or when you want to optimize performance by compiling a function once and reusing it multiple times.

What are generate-function's main functionalities?

Creating a simple function

This feature allows you to create a simple function that returns a static value. The code sample demonstrates generating a function that returns the number 42.

var gen = require('generate-function');
var fn = gen()
  .body('return 42;')
  .toFunction();
console.log(fn()); // 42

Creating a function with parameters

This feature allows you to create a function with parameters. The code sample demonstrates generating a function that takes two parameters and returns their sum.

var gen = require('generate-function');
var fn = gen()
  .param('a', 'b')
  .body('return a + b;')
  .toFunction();
console.log(fn(1, 2)); // 3

Creating a function with a complex body

This feature allows you to create a function with a more complex body, including logic and control structures. The code sample demonstrates generating a function that compares two values and returns the larger one.

var gen = require('generate-function');
var fn = gen()
  .body('if (a > b) { return a; } else { return b; }')
  .toFunction();
console.log(fn(5, 3)); // 5

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Package last updated on 01 Aug 2014

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