/*
	Source code adapted from https://github.com/facebook/create-react-app/tree/main/packages/react-error-overlay and refactored in Typescript. This file is MIT-licensed.
*/

/**
 * Copyright (c) 2015-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

import type {ReactFrame} from './proxy-console';

function stripInlineStacktrace(message: string): string {
	return message
		.split('\n')
		.filter((line) => !line.match(/^\s*in/))
		.join('\n'); // "  in Foo"
}

export function massageWarning(
	warning: string,
	frames: ReactFrame[],
): {message: string; stack: string} {
	const message = stripInlineStacktrace(warning);

	// Reassemble the stack with full filenames provided by React
	let stack = '';
	let lastFilename;
	let lastLineNumber;
	for (let index = 0; index < frames.length; ++index) {
		const {fileName, lineNumber} = frames[index];
		if (
			fileName === null ||
			lineNumber === null ||
			lineNumber === undefined ||
			fileName === undefined
		) {
			continue;
		}

		if (
			fileName === lastFilename &&
			typeof lineNumber === 'number' &&
			typeof lastLineNumber === 'number' &&
			Math.abs(lineNumber - lastLineNumber) < 3
		) {
			continue;
		}

		lastFilename = fileName;
		lastLineNumber = lineNumber;

		let {name} = frames[index];
		name = name || '(anonymous function)';
		stack += `in ${name} (at ${fileName}:${lineNumber})\n`;
	}

	return {message, stack};
}