overleaf/services/web/frontend/js/features/source-editor/utils/position.ts
Tim Down 7f37ba737c Move source editor out of module (#12457)
* Update Copybara options in preparation for open-sourcing the source editor

* Move files

* Update paths

* Remove source-editor module and checks for its existence

* Explicitly mention CM6 license in files that contain code adapted from CM6

GitOrigin-RevId: 89b7cc2b409db01ad103198ccbd1b126ab56349b
2023-04-13 08:40:56 +00:00

19 lines
427 B
TypeScript

import { Text } from '@codemirror/state'
export const findValidPosition = (
doc: Text,
lineNumber: number, // 1-indexed
columnNumber: number // 0-indexed
): number => {
const lines = doc.lines
if (lineNumber > lines) {
// end of the doc
return doc.length
}
const line = doc.line(lineNumber)
// requested line and column, or the end of the line
return Math.min(line.from + columnNumber, line.to)
}