Function start

packages/prompts/src/spinner.ts:132–171

(msg = '')

	const hasGuide = opts.withGuide ?? settings.withGuide;

	const start = (msg = ''): void => {
		isSpinnerActive = true;
		unblock = block({ output });
		_message = removeTrailingDots(msg);
		_origin = performance.now();
		if (hasGuide) {
			output.write(`${styleText('gray', S_BAR)}\n`);
		}
		let frameIndex = 0;
		let indicatorTimer = 0;
		registerHooks();
		loop = setInterval(() => {
			if (isCI && _message === _prevMessage) {
				return;
			}
			clearPrevMessage();
			_prevMessage = _message;
			const frame = styleFn(frames[frameIndex]);
			let outputMessage: string;

			if (isCI) {
				outputMessage = `${frame}  ${_message}...`;
			} else if (indicator === 'timer') {
				outputMessage = `${frame}  ${_message} ${formatTimer(_origin)}`;
			} else {
				const loadingDots = '.'.repeat(Math.floor(indicatorTimer)).slice(0, 3);
				outputMessage = `${frame}  ${_message}${loadingDots}`;
			}

			const wrapped = wrapAnsi(outputMessage, columns, {
				hard: true,
				trim: false,
			});
			output.write(wrapped);

			frameIndex = frameIndex + 1 < frames.length ? frameIndex + 1 : 0;
			// indicator increase by 1 every 8 frames
			indicatorTimer = indicatorTimer < 4 ? indicatorTimer + 0.125 : 0;
		}, delay);
	};

	const _stop = (msg = '', code = 0, silent: boolean = false): void => {
		if (!isSpinnerActive) return;