Benchmark: map filter join vs reduce

Script Preparation code:

const assignments = [
  {
    bus: {
    	number: 2
    }
  },
  {
    bus: {
    	number: 3
    }
  },
]

Tests:

map filter join
assignments.map((assignment) => assignment.bus?.number).filter((busNumber) => busNumber !== '').join(' | ');
reduce
assignments.reduce((acc, assignment) => { if (acc.length < 1) { return assignment.bus?.number ?? ''; } return `${acc} | ${assignment.bus?.number ?? ''}`; }, '');

Rendered benchmark preparation results:

Previous results

Test case name	Result
map filter join
reduce

Latest run results:

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map filter join vs reduce (version: 0)