index.ts

import fs from 'fs';
import path from 'path';

export const loadRawInput = (dir: string, file = 'input'): string => fs
  .readFileSync(path.resolve(dir, file), 'utf-8')
  .trim();

export const loadInput = (dir: string, file = 'input'): string[] => loadRawInput(dir, file)
  .split('\n')
  .filter((v) => !!v);

// Input of false means left and true means right
export const binaryPartition = (min: number, max: number, input: boolean[]): [number, number] => {
  const range = [min, max] as [number, number];

  let nextStep = input.shift();
  while (typeof nextStep !== 'undefined') {
    const rangeSize = range[1] - range[0];
    const halfRange = Math.ceil(rangeSize / 2);
    if (nextStep) {
      range[0] += halfRange;
    } else {
      range[1] -= halfRange;
    }

    // Pull the next step out of the input
    nextStep = input.shift();
  }

  return range;
};

export const getDebugLog = (dir: string, name = 'debug.log') => {
  const stream = fs.createWriteStream(path.resolve(dir, name));
  return (line: string) => stream.write(`${line}\n`);
};

export { default as bisect } from './bisect';
export * from './arrays';
export { default as Grid } from './Grid';
export * from './Grid';
export * from './ExhaustivePathFinder';
export { default as DijkstraPathFinder } from './DijkstraPathFinder';
export * from './DijkstraPathFinder';
export * from './Heaps';
export * from './PriorityQueues';
export { default as Profiler } from './Profiler';
export * from './math';