Function parseAtInLine

cli/src/hooks/use-suggestion-engine.ts:106–144

(line: string)

}

export const parseAtInLine = (line: string): MentionParseResult => {
  const atIndex = line.lastIndexOf('@')
  if (atIndex === -1) {
    return { active: false, query: '', atIndex: -1 }
  }

  // Check if @ is inside string delimiters
  if (isInsideStringDelimiters(line, atIndex)) {
    return { active: false, query: '', atIndex: -1 }
  }

  const beforeChar = atIndex > 0 ? line[atIndex - 1] : ''
  
  // Don't trigger on escaped @: \@
  if (beforeChar === '\\') {
    return { active: false, query: '', atIndex: -1 }
  }

  // Don't trigger on email-like patterns or URLs: user@example.com, https://example.com/@user
  // Check for alphanumeric, dot, or colon before @
  if (beforeChar && /[a-zA-Z0-9.:]/.test(beforeChar)) {
    return { active: false, query: '', atIndex: -1 }
  }

  // Require whitespace or start of line before @
  if (beforeChar && !/\s/.test(beforeChar)) {
    return { active: false, query: '', atIndex: -1 }
  }

  const afterAt = line.slice(atIndex + 1)
  const firstSpaceIndex = afterAt.search(/\s/)
  const query = firstSpaceIndex === -1 ? afterAt : afterAt.slice(0, firstSpaceIndex)

  if (firstSpaceIndex !== -1) {
    return { active: false, query: '', atIndex: -1 }
  }

  return { active: true, query, atIndex }
}

const parseMentionContext = (
  input: string,