Remove consecutive spaces. Usage to oneline formatted json: `pbpaste | oneline.js | remove-space.js | pbcopy`

remove-space.js

#!/usr/bin/env node

/**
 * remove more than one consecutive space
 */

 const readable = process.stdin;
 readable.on('readable', () => {
     let chunk;
     let prevCharSpace = false;
     while (null !== (chunk = readable.read())) {
         for (const char of `${chunk}`) {
             if (!(char === ' ' && prevCharSpace)) {
                 process.stdout.write(char);
             }
             prevCharSpace = char === ' ';
         }
     }
 });

 readable.on('end', () => {
     process.stdout.write('\n');
 });