1 files changed, 62 insertions, 0 deletions
diff --git a/node_modules/log-update/index.js b/node_modules/log-update/index.js
new file mode 100644
index 00000000..3303e32c
--- /dev/null
+++ b/node_modules/log-update/index.js
@@ -0,0 +1,62 @@
+'use strict';
+const ansiEscapes = require('ansi-escapes');
+const cliCursor = require('cli-cursor');
+const wrapAnsi = require('wrap-ansi');
+
+const getWidth = stream => {
+	const columns = stream.columns;
+
+	if (!columns) {
+		return 80;
+	}
+
+	// Windows appears to wrap a character early
+	// I hate Windows so much
+	if (process.platform === 'win32') {
+		return columns - 1;
+	}
+
+	return columns;
+};
+
+const main = (stream, options) => {
+	options = Object.assign({
+		showCursor: false
+	}, options);
+
+	let prevLineCount = 0;
+
+	const render = function () {
+		if (!options.showCursor) {
+			cliCursor.hide();
+		}
+
+		let out = [].join.call(arguments, ' ') + '\n';
+		out = wrapAnsi(out, getWidth(stream), {
+			trim: false,
+			hard: true,
+			wordWrap: false
+		});
+		stream.write(ansiEscapes.eraseLines(prevLineCount) + out);
+		prevLineCount = out.split('\n').length;
+	};
+
+	render.clear = () => {
+		stream.write(ansiEscapes.eraseLines(prevLineCount));
+		prevLineCount = 0;
+	};
+
+	render.done = () => {
+		prevLineCount = 0;
+
+		if (!options.showCursor) {
+			cliCursor.show();
+		}
+	};
+
+	return render;
+};
+
+module.exports = main(process.stdout);
+module.exports.stderr = main(process.stderr);
+module.exports.create = main;