@vuepress/plugin-catalog/src/node/getTitleFromFilename.ts

VuePress plugin - catalog

const EN_PREPOSITION = [
  'and',
  'or',
  'in',
  'on',
  'with',
  'by',
  'for',
  'at',
  'about',
  'under',
  'of',
  'to',
  'the',
  'into',
]

export const getTitleFromFilename = (filename: string): string => {
  const words = filename
    .replace(/[-_]/gu, ' ')
    .replace(
      /(^|[^A-Z])([A-Z])/gu,
      (_all, match1: string, match2: string) =>
        `${match1} ${match2.toLowerCase()}`,
    )
    .replace(/ +/gu, ' ')
    .trim()
    .split(' ')

  return words
    .map((word, index) =>
      EN_PREPOSITION.includes(word) && index !== 0
        ? word
        : word.charAt(0).toUpperCase() + word.slice(1),
    )
    .join(' ')
}