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

A robust CSS stylesheet statistics collector and analyzer

'use strict';

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

var _postcssValuesParser = require('postcss-values-parser');

var _postcssValuesParser2 = _interopRequireDefault(_postcssValuesParser);

var _isSafeAst = require('../../../predicates/isSafeAst');

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

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

function handleAtRuleFunctions(value, report) {
	try {
		const ast = (0, _postcssValuesParser2.default)(value).parse();

		/* istanbul ignore else */
		if ((0, _isSafeAst.isSafeAst)(ast)) {
			ast.nodes[0].nodes.forEach(node => {
				const nodeValue = node.value.toLowerCase();

				if (node.type === 'func' && nodeValue !== 'local' && nodeValue !== 'format') {
					report.functions.total++;
					(0, _countUsage.countUsage)(nodeValue, report.functions.usage);
				}
			});
		}
	} catch (err) {
		/* istanbul ignore next */
		/* eslint-disable-next-line no-console */
		console.log(`'postcss-values-parser' module error\n${err}`);
	}
}