BF-Node is a lightweight interpreter of the Brainfuck programming language, written in JavaScript
The plain version of Brainfuck in the library weighs only 235 bytes
JavaScript
const Brainfuck = require("bf-node")
Brainfuck.base(/* code */, /* options */) // options are optional
Brainfuck.random(/* code */, /* options */)
Command line
bf <type> <path to file>
base - The plain Brainfuck
random - Brainfuck with ? operator, generates a random number from 0 to current cell value and stores result in current cell
Options is an array of functions
Default:
[
t => new Uint8Array(t), // the function that makes the memory array, t is the length input
String.fromCharCode, // the function that turns numbers into characters
s => s.charCodeAt(), // the function that turns characters into numbers
t => process.stdout.write(t), // the function that outputs the result
() => ReadlineSync.question("> ", {
limit: input => input.length == 1,
limitMessage: ""
}) // the function that receives the input
]
100 million + operations took on average 570ms to complete
100 million - operations took on average 600ms to complete
base - 235 bytes
random - 284 bytes