43 lines
1.2 KiB
TypeScript
43 lines
1.2 KiB
TypeScript
|
import type { IBuffer, Terminal as XTerm } from "@xterm/xterm";
|
||
|
|
|
||
|
|
export type TerminalTextRange = {
|
||
|
|
startLine: number;
|
||
|
|
endLine: number;
|
||
|
|
};
|
||
|
|
|
||
|
|
type TerminalBufferTextSource = Pick<XTerm, "buffer" | "cols">;
|
||
|
|
|
||
|
|
export function readActiveTerminalBufferTextRange(
|
||
|
|
term: TerminalBufferTextSource,
|
||
|
|
range: TerminalTextRange,
|
||
|
|
): string {
|
||
|
|
const startLine = Math.max(0, Math.floor(range.startLine));
|
||
|
|
const endLine = Math.max(-1, Math.floor(range.endLine));
|
||
|
|
if (endLine < startLine) return "";
|
||
|
|
|
||
|
|
return readTerminalBufferTextRange(term.buffer.active, {
|
||
|
|
...range,
|
||
|
|
cols: term.cols,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
export function readTerminalBufferTextRange(
|
||
|
|
buffer: Pick<IBuffer, "getLine">,
|
||
|
|
range: TerminalTextRange & { cols?: number },
|
||
|
|
): string {
|
||
|
|
const startLine = Math.max(0, Math.floor(range.startLine));
|
||
|
|
const endLine = Math.max(-1, Math.floor(range.endLine));
|
||
|
|
if (endLine < startLine) return "";
|
||
|
|
|
||
|
|
const cols = typeof range.cols === "number" && Number.isFinite(range.cols)
|
||
|
|
? Math.max(0, Math.floor(range.cols))
|
||
|
|
: undefined;
|
||
|
|
|
||
|
|
const lines: string[] = [];
|
||
|
|
for (let lineIndex = startLine; lineIndex <= endLine; lineIndex += 1) {
|
||
|
|
const line = buffer.getLine(lineIndex);
|
||
|
|
lines.push(line?.translateToString(true, 0, cols) ?? "");
|
||
|
|
}
|
||
|
|
return lines.join("\n");
|
||
|
|
}
|