advent-of-code

Entries to advent of code, multiple years
git clone git://git.finwo.net/misc/advent-of-code
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by-paragraph.js (569B)

      1 const through       = require('through2');
      2 const multipipe     = require('multipipe');
      3 const line_for_line = require('./line-for-line');
      4 
      5 module.exports = () =>
      6   multipipe(
      7     line_for_line(),
      8     through.obj(function(line, enc, cb) {
      9       line = line.toString();
     10       this.buffer = this.buffer || [];
     11 
     12       // Emit paragraph on empty line
     13       if (!line.length) {
     14         if (this.buffer.length) {
     15           this.push(this.buffer.join('\n'));
     16         }
     17         this.buffer = [];
     18         return cb();
     19       }
     20 
     21       this.buffer.push(line);
     22       cb();
     23     })
     24   )