scancss/dist/handlers/atrules/handleMediaQueryParams/index.js

A robust CSS stylesheet statistics collector and analyzer

'use strict';

Object.defineProperty(exports, "__esModule", {
	value: true
});
exports.handleMediaQueryParams = handleMediaQueryParams;

var _postcss = require('postcss');

var _postcss2 = _interopRequireDefault(_postcss);

var _cssBrowserHacks = require('../../../constants/cssBrowserHacks');

var _cssDeprecatedMediaTypes = require('../../../constants/cssDeprecatedMediaTypes');

var _reCssMediaFeature = require('../../../constants/reCssMediaFeature');

var _reCssMediaType = require('../../../constants/reCssMediaType');

var _rePrefixedString = require('../../../constants/rePrefixedString');

var _countUsage = require('../../../calculators/countUsage');

var _transformString = require('../../../converters/transformString');

var _trimExtraSpaces = require('../../../converters/trimExtraSpaces');

var _trimSpacesNearColon = require('../../../converters/trimSpacesNearColon');

var _trimSpacesNearCommas = require('../../../converters/trimSpacesNearCommas');

var _trimSpacesNearParentheses = require('../../../converters/trimSpacesNearParentheses');

var _trimTrailingZeros = require('../../../converters/trimTrailingZeros');

var _trimLeadingZeros = require('../../../converters/trimLeadingZeros');

var _isDeprecatedMediaFeature = require('../../../predicates/isDeprecatedMediaFeature');

var _handleVendorPrefix = require('../../handleVendorPrefix');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const reOnlyKeyword = /\bonly\b/g;
const cssMediaBrowserHacks = _cssBrowserHacks.cssBrowserHacks.filter(hack => hack.type === 'media');

function handleMediaQueryParams(params, report, options) {
	_postcss2.default.list.comma(params).forEach(mediaQuery => {
		report.mediaQueries.total++;

		const cleanedMediaQuery = (0, _transformString.transformString)(mediaQuery, [_trimExtraSpaces.trimExtraSpaces, _trimSpacesNearCommas.trimSpacesNearCommas, _trimSpacesNearParentheses.trimSpacesNearParentheses, _trimSpacesNearColon.trimSpacesNearColon, _trimTrailingZeros.trimTrailingZeros, _trimLeadingZeros.trimLeadingZeros]);

		if (reOnlyKeyword.test(cleanedMediaQuery)) {
			report.mediaQueries.onlyKeyword += cleanedMediaQuery.match(reOnlyKeyword).length;
		}

		if (_reCssMediaType.reCssMediaType.test(cleanedMediaQuery)) {
			cleanedMediaQuery.match(_reCssMediaType.reCssMediaType).forEach(type => {
				report.mediaQueries.types.total++;
				(0, _countUsage.countUsage)(type, report.mediaQueries.types.usage);

				if (_cssDeprecatedMediaTypes.cssDeprecatedMediaTypes.includes(type)) {
					report.mediaQueries.types.deprecated.total++;
					(0, _countUsage.countUsage)(type, report.mediaQueries.types.deprecated.usage);
				}
			});
		}

		if (_reCssMediaFeature.reCssMediaFeature.test(cleanedMediaQuery)) {
			cleanedMediaQuery.match(_reCssMediaFeature.reCssMediaFeature).forEach(feature => {
				if (/^(min|max)--moz-/.test(feature)) {
					report.mediaQueries.features.prefixed++;
					(0, _handleVendorPrefix.handleVendorPrefix)('-moz-', report);
				} else if (_rePrefixedString.rePrefixedString.test(feature)) {
					report.mediaQueries.features.prefixed++;
					(0, _handleVendorPrefix.handleVendorPrefix)(feature, report);
				}

				if ((0, _isDeprecatedMediaFeature.isDeprecatedMediaFeature)(feature)) {
					report.mediaQueries.features.deprecated.total++;
					(0, _countUsage.countUsage)(feature, report.mediaQueries.features.deprecated.usage);
				}

				report.mediaQueries.features.total++;
				(0, _countUsage.countUsage)(feature, report.mediaQueries.features.usage);
			});
		}

		(0, _countUsage.countUsage)(cleanedMediaQuery, report.mediaQueries.usage);

		if (options.browserHacks) {
			cssMediaBrowserHacks.forEach(hack => {
				if (hack.regex.test(cleanedMediaQuery)) {
					cleanedMediaQuery.match(hack.regex).forEach(match => {
						report.browserHacks.total++;
						(0, _countUsage.countUsage)(match, report.browserHacks.usage.media);
					});
				}
			});
		}
	});
}