@modea/modea-increment-version/src/increment/increment.js

Increments version and build numbers in specified files

function increment(placesToChange, incrementType) {
  let changesToMake = []
  /*
 format to return a list of these things
const changeToMake = {
  type: 'build',
  startIndex: 0,
  endIndex: 0,
  value: '',
}
 */
  for (const place of placesToChange) {
    const change = createChangeToMake(place);
    if (place.type === 'build') {
      change.value = bumpBuild(place.value)
      changesToMake.push(change)
    }
    else if (place.type === 'version' && incrementType !== 'build') {
      change.value = bumpVersion(place.value, incrementType)
      changesToMake.push(change)
    }
    else {
      console.error('\x1b[31m', `build type '${place.type}' is not supported. Please use 'version' or 'build'.`);
    }
  }
  return changesToMake
}

function createChangeToMake(placeToChange) {
  return {
    type: placeToChange.type,
    startIndex: placeToChange.startIndex,
    endIndex: placeToChange.endIndex,
    value: placeToChange.value
  }
}

function bumpBuild(buildNumber) {
  return String(Number(buildNumber) + 1)
}

function bumpVersion(versionCode, incrementType) {
  const incrementIndex = getIncrementIndex(incrementType)
  return incrementVersionByIndex(versionCode, incrementIndex)
}

function getIncrementIndex(incrementType) {
  switch (incrementType) {
    case 'major':
      return 0;
    case 'minor':
      return 1;
    case 'patch':
      return 2;
    default:
      console.error(
        '\x1b[31m%s\x1b[0m',
        `No command line argument for type of increment found, please pass one in \nnode increment.js [major | minor | patch | build]`
      );
      process.exit(-1);
  }
}

function incrementVersionByIndex(versionCode, index) {
  const versionCodeDelimiter = '.';

  let versionArray = versionCode.split(versionCodeDelimiter);
  versionArray = incrementArrayIndexByOne(versionArray, index)
  return versionArray.join(versionCodeDelimiter);
}

function incrementArrayIndexByOne(array, index) {
  array[index] = String(Number(array[index]) + 1);
  // now we have to downgrade the lesser types so we get 1.6.0 instead of 1.6.1 when incrementing minor version from 1.5.1
  for (let i = index + 1; i < array.length; i++) {
    array[i] = '0';
  }
  return array;
}

module.exports = {
  increment,
};