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#!/usr/bin/env node

const stringMutilator = require('./lib');

const [,, fnString, ...args] = process.argv;

const usageString = `

Functions for mutilating strings.

Usage

$ string-mutilator <function> <string> [argument]...

Functions

charCase.invert

charCase.snakeCase

charCase.camelCase

charCase.kebabCase

charCase.dotCase

charCase.pascalCase

charCase.capitalize

compressor.pack

compressor.unpack

compressor.signature

flipBits

gobbledygook

jumble

reverse

reverseBits

rockdotize

rot13

scramble

shift

shiftBits

toMANS

unicode.fixSurrogates

unicode.unfixSurrogates

Examples

$ string-mutilator shift "Hello World!" 6

$ string-mutilator charCase.invert "Hello World!"

$ string-mutilator toMANS "Hello World!" 4

`;

const errorString = '\n✖ Invalid input. Please check the help below:\n';

const resolveFn = (object, dotString) => dotString

.split('.')

.reduce((o, c) => o[c], object);

try

{

if (/^(-h|--help)$/.test(fnString))

{

console.info(usageString);

process.exit(0);

}

if (!fnString || args.length === 0)

{

console.error(errorString, usageString);

process.exit(1);

}

const fn = resolveFn(stringMutilator, fnString)

const fnArgs = args.map((v, i) => (i === 0) ? v : parseInt(v));

console.log(fn.apply(this, fnArgs));

}

catch (e)

{

console.error(errorString, usageString);

process.exit(1);

}

process.exit(0);