--- /dev/null
+var chalk = require('chalk');
+var _ = require('lodash');
+var defaultFormatter = require('./formatter');
+var util = require('./util');
+
+module.exports = function(opts) {
+ var options = opts || {};
+
+ var formatter = options.formatter || defaultFormatter({
+ sortByPosition: (typeof options.sortByPosition !== 'undefined') ? options.sortByPosition : true,
+ positionless: options.positionless || 'first',
+ noIcon: options.noIcon,
+ noPlugin: options.noPlugin,
+ });
+
+ var pluginFilter;
+ if (!options.plugins) {
+ // Every plugin
+ pluginFilter = function() { return true; };
+ } else if (options.plugins.every(function(plugin) { return plugin[0] === '!'; })) {
+ // Blacklist
+ pluginFilter = function(message) {
+ return options.plugins.indexOf('!' + message.plugin) === -1;
+ };
+ } else {
+ // Whitelist
+ pluginFilter = function(message) {
+ return options.plugins.indexOf(message.plugin) !== -1;
+ };
+ }
+
+ var messageFilter = options.filter || function(message) { return (message.type === 'warning'); };
+
+ return function(css, result) {
+ var messagesToLog = result.messages
+ .filter(pluginFilter)
+ .filter(messageFilter);
+
+ var resultSource = (!result.root.source) ? ''
+ : result.root.source.input.file || result.root.source.input.id
+
+ var sourceGroupedMessages = _.groupBy(messagesToLog, function(message) {
+ return util.getLocation(message).file || resultSource;
+ });
+
+ var report = '';
+ _.forOwn(sourceGroupedMessages, function(messages, source) {
+ report += formatter({
+ messages: messages,
+ source: source,
+ });
+ });
+
+ if (options.clearReportedMessages) {
+ result.messages = _.difference(result.messages, messagesToLog);
+ }
+
+ if (options.clearAllMessages) {
+ var messagesToClear = result.messages.filter(pluginFilter);
+ result.messages = _.difference(result.messages, messagesToClear);
+ }
+
+
+ if (!report) return;
+
+ console.log(report);
+
+ if (options.throwError && shouldThrowError()) {
+ throw new Error(chalk.red.bold('\n** postcss-reporter: warnings or errors were found **'));
+ }
+
+ function shouldThrowError() {
+ return (
+ messagesToLog.length
+ && messagesToLog.some(function(message) {
+ return message.type === 'warning' || message.type === 'error';
+ })
+ );
+ }
+ };
+};