boolean-to-signed

Returns -1 if input is false, or 1 if input is true.

Install

Install with npm:

$ npm install boolean-to-signed

Usage

const toSigned = require("boolean-to-signed");

console.log(toSigned(false));                  //=> -1
console.log(toSigned(true));                   //=> 1


// use cases
let x, y, value;

// using naive conditional assignment
if (x > 0) {
  y += value;
} else {
  y -= value;
}

// using direct assignment
y += toSigned(x > 0) * value;

About

Author

Najim Islam

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License

Copyright © 2021, Najim Islam. Released under the MIT License.