OpravyPoAI

node_modules/log-update/index.js

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+import process from 'node:process';
+import ansiEscapes from 'ansi-escapes';
+import cliCursor from 'cli-cursor';
+import wrapAnsi from 'wrap-ansi';
+import sliceAnsi from 'slice-ansi';
+import stripAnsi from 'strip-ansi';
+
+const defaultTerminalHeight = 24;
+
+const getWidth = ({columns = 80}) => columns;
+
+const fitToTerminalHeight = (stream, text) => {
+	const terminalHeight = stream.rows ?? defaultTerminalHeight;
+	const lines = text.split('\n');
+	const toRemove = Math.max(0, lines.length - terminalHeight);
+	return toRemove ? sliceAnsi(text, stripAnsi(lines.slice(0, toRemove).join('\n')).length + 1) : text;
+};
+
+export function createLogUpdate(stream, {showCursor = false} = {}) {
+	let previousLineCount = 0;
+	let previousWidth = getWidth(stream);
+	let previousOutput = '';
+
+	const reset = () => {
+		previousOutput = '';
+		previousWidth = getWidth(stream);
+		previousLineCount = 0;
+	};
+
+	const render = (...arguments_) => {
+		if (!showCursor) {
+			cliCursor.hide();
+		}
+
+		let output = fitToTerminalHeight(stream, arguments_.join(' ') + '\n');
+		const width = getWidth(stream);
+
+		if (output === previousOutput && previousWidth === width) {
+			return;
+		}
+
+		previousOutput = output;
+		previousWidth = width;
+		output = wrapAnsi(output, width, {trim: false, hard: true, wordWrap: false});
+
+		stream.write(ansiEscapes.eraseLines(previousLineCount) + output);
+		previousLineCount = output.split('\n').length;
+	};
+
+	render.clear = () => {
+		stream.write(ansiEscapes.eraseLines(previousLineCount));
+		reset();
+	};
+
+	render.done = () => {
+		reset();
+		if (!showCursor) {
+			cliCursor.show();
+		}
+	};
+
+	return render;
+}
+
+const logUpdate = createLogUpdate(process.stdout);
+export default logUpdate;
+
+export const logUpdateStderr = createLogUpdate(process.stderr);