i honestly don't know why i did this. action functions with strings?

instructionset.js

function sequence(...funcs) {
  return function (value) {
    return funcs.reverse().reduce(function(previous, current) {
      return previous.call ? previous.call(this, current(value)) : previous;
    });
  };
};

function instructionSet(instructionSet) {
  return (valueToWorkWith) => {
    return (program) => {
      const instructions = program[0].split('\n').filter((instruction) => instruction.length);
      return sequence(
        ...instructions.reduce((functionsToRun, currentInstruction) => {
          return [
            ...functionsToRun,
            instructionSet.find((i) => i.match.includes(currentInstruction)).response,
          ]
        }, [])
      )(valueToWorkWith);
    }
  }
}

const mathInstructions = [
  {
    match: 'ADD',
    response: (value) => {
      return Number(value) + 1;
    },
  },
  {
    match: 'SUBTRACT',
    response: (value) => {
      return Number(value) - 1;
    },
  }
]

const math = instructionSet(mathInstructions)(0);
const result = math`ADD
ADD
SUBTRACT
ADD
ADD
`
console.log(result);
// 2