Improve `getPos` performance

[sapphi-red]

Related plugins

• plugin-babel

• plugin-emotion

Description

#15 (comment)

Suggested solution

Caching the position or use binary search, not sure. At least there's a room to optimize.

Alternative

No response

Additional context

No response

Validations

• Follow our Code of Conduct
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.