49 lines
1.4 KiB
TypeScript
49 lines
1.4 KiB
TypeScript
|
export type TerminalCellPosition = {
|
||
|
|
column: number;
|
||
|
|
row: number;
|
||
|
|
};
|
||
|
|
|
||
|
|
type TerminalViewportRect = {
|
||
|
|
left: number;
|
||
|
|
top: number;
|
||
|
|
width: number;
|
||
|
|
height: number;
|
||
|
|
};
|
||
|
|
|
||
|
|
export const getTerminalCellFromPoint = (
|
||
|
|
clientX: number,
|
||
|
|
clientY: number,
|
||
|
|
bounds: TerminalViewportRect,
|
||
|
|
columns: number,
|
||
|
|
rows: number,
|
||
|
|
): TerminalCellPosition | null => {
|
||
|
|
if (bounds.width <= 0 || bounds.height <= 0 || columns <= 0 || rows <= 0) return null;
|
||
|
|
|
||
|
|
const column = Math.floor(((clientX - bounds.left) / bounds.width) * columns);
|
||
|
|
const row = Math.floor(((clientY - bounds.top) / bounds.height) * rows);
|
||
|
|
|
||
|
|
return {
|
||
|
|
column: Math.max(0, Math.min(columns - 1, column)),
|
||
|
|
row: Math.max(0, Math.min(rows - 1, row)),
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
export const getTerminalWordRange = (
|
||
|
|
cells: string[],
|
||
|
|
column: number,
|
||
|
|
): { startColumn: number; endColumn: number } => {
|
||
|
|
const clampedColumn = Math.max(0, Math.min(cells.length - 1, column));
|
||
|
|
const isWordCell = (value: string | undefined) => Boolean(value && !/^\s+$/u.test(value));
|
||
|
|
|
||
|
|
if (!isWordCell(cells[clampedColumn])) {
|
||
|
|
return { startColumn: clampedColumn, endColumn: clampedColumn };
|
||
|
|
}
|
||
|
|
|
||
|
|
let startColumn = clampedColumn;
|
||
|
|
let endColumn = clampedColumn;
|
||
|
|
while (startColumn > 0 && isWordCell(cells[startColumn - 1])) startColumn -= 1;
|
||
|
|
while (endColumn < cells.length - 1 && isWordCell(cells[endColumn + 1])) endColumn += 1;
|
||
|
|
|
||
|
|
return { startColumn, endColumn };
|
||
|
|
};
|