stylelint/lib/isPathIgnored.js

A mighty, modern CSS linter.

/* @flow */
'use strict';

const filterFilePaths = require('./utils/filterFilePaths');
const getFileIgnorer = require('./utils/getFileIgnorer');
const micromatch = require('micromatch');
const path = require('path');
const slash = require('slash');

// To find out if a path is ignored, we need to load the config,
// which may have an ignoreFiles property. We then check the path
// against these.
module.exports = function(
	stylelint /*: stylelint$internalApi*/,
	filePathArg /*:: ?: string*/,
) /*: Promise<boolean>*/ {
	const filePath = filePathArg; // to please Flow

	if (!filePath) {
		return Promise.resolve(false);
	}

	const cwd = process.cwd();
	const ignorer = getFileIgnorer(stylelint._options);

	return stylelint.getConfigForFile(filePath).then((result) => {
		// Glob patterns for micromatch should be in POSIX-style
		const ignoreFiles = (result.config.ignoreFiles || []).map(slash);

		const absoluteFilePath = path.isAbsolute(filePath)
			? filePath
			: path.resolve(process.cwd(), filePath);

		if (micromatch(absoluteFilePath, ignoreFiles).length) {
			return true;
		}

		// Check filePath with .stylelintignore file
		if (filterFilePaths(ignorer, [path.relative(cwd, absoluteFilePath)]).length === 0) {
			return true;
		}

		return false;
	});
};