Function findCommonPrefix

src/hooks/fileSuggestions.ts:575–582

* Finds the common prefix between two strings

(a: string, b: string)

 * Finds the common prefix between two strings
 */
function findCommonPrefix(a: string, b: string): string {
  const minLength = Math.min(a.length, b.length)
  let i = 0
  while (i < minLength && a[i] === b[i]) {
    i++
  }
  return a.substring(0, i)
}

/**
 * Finds the longest common prefix among an array of suggestion items