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import type { AnsiTermColor, Grid } from '@/types/grid';
import { getAnsiColorEscape, getAnsiEscapeCodeFromDiff } from './ansi';
const defaultColor: AnsiTermColor = { foreground: null, background: null };
export const gridFromAscii = (
ascii: string,
color: AnsiTermColor = defaultColor,
): Grid => {
const lineWidth = Math.max(...ascii.split('\n').map((line) => line.length));
return ascii.split('\n').map((line, y) =>
line
.split('')
.map((char, x) => ({
char,
color,
x,
y,
}))
.concat(
Array(lineWidth - line.length)
.fill(0)
.map((_, x) => ({
char: ' ',
color,
x: x + line.length,
y,
})),
),
);
};
export const gridToAnsi = (grid: Grid) => {
const reset: AnsiTermColor = { foreground: null, background: null };
const { fg, bg } = getAnsiColorEscape(reset);
const resetCode = `${fg}${bg}`;
const rows = [];
for (let y = 0; y < grid.length; y++) {
let row = '';
for (let x = 0; x < grid[y].length; x++) {
const cell = grid[y][x];
const previousColor = x > 0 ? grid[y][x - 1].color : reset;
row +=
getAnsiEscapeCodeFromDiff(previousColor, cell.color) +
cell.char;
}
rows.push(row);
}
return resetCode + rows.join(resetCode + '\n');
};
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