| import { cellWidth } from '../cell-width' | |
| /** | |
| * The cells a sanitized text is charged when laid into rows and padded: | |
| * cellWidth, but a code point drawing in no cell is still charged one. | |
| * | |
| * The slicer and the band padding both count by this, so a row never | |
| * emits more code points than the cells it was given, combining marks or | |
| * not. | |
| * | |
| * @param text a line or segment with no tabs or control characters | |
| * @returns its charge in cells, at least one per code point | |
| */ | |
| export function chargedWidth(text: string) { | |
| let charged = 0 | |
| for (const character of text) { | |
| charged += Math.max(1, cellWidth(character)) | |
| } | |
| return charged | |
| } | |