init

node_modules/postcss-reporter/lib/reporter.js

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+var defaultFormatter = require('./formatter');
+var pico = require('picocolors');
+var util = require('./util');
+
+module.exports = function (opts = {}) {
+  var formatter =
+    opts.formatter ||
+    defaultFormatter({
+      noIcon: opts.noIcon,
+      noPlugin: opts.noPlugin,
+    });
+
+  var pluginFilter;
+  if (!opts.plugins) {
+    // Every plugin
+    pluginFilter = function () {
+      return true;
+    };
+  } else if (
+    opts.plugins.every(function (plugin) {
+      return plugin[0] === '!';
+    })
+  ) {
+    // Deny list
+    pluginFilter = function (message) {
+      return opts.plugins.indexOf('!' + message.plugin) === -1;
+    };
+  } else {
+    // Allow list
+    pluginFilter = function (message) {
+      return opts.plugins.indexOf(message.plugin) !== -1;
+    };
+  }
+
+  var messageFilter = opts.filter || ((message) => message.type === 'warning' || message.type === 'error');
+
+  return {
+    postcssPlugin: 'postcss-reporter',
+    OnceExit(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;
+
+      let errorCount = 0;
+      let warningCount = 0;
+
+      var sourceGroupedMessages = messagesToLog.reduce((grouped, message) => {
+        const key = util.getLocation(message).file || resultSource;
+
+        if (!grouped.hasOwnProperty(key)) {
+          grouped[key] = [];
+        }
+
+        if (message.type === 'error') {
+          errorCount++;
+        } else if (message.type === 'warning') {
+          warningCount++;
+        }
+
+        grouped[key].push(message);
+
+        return grouped;
+      }, {});
+
+      var report = '';
+      for (const source in sourceGroupedMessages) {
+        if (sourceGroupedMessages.hasOwnProperty(source)) {
+          report += formatter({
+            messages: sourceGroupedMessages[source],
+            source: source,
+          });
+        }
+      }
+
+      if (opts.clearReportedMessages) {
+        result.messages = result.messages.filter(message => !messagesToLog.includes(message));
+      }
+
+      if (opts.clearAllMessages) {
+        var messagesToClear = result.messages.filter(pluginFilter);
+        result.messages = result.messages.filter(message => !messagesToClear.includes(message));
+      }
+
+      if (!report) return;
+
+      const summaryColor = errorCount > 0 ? 'red' : 'yellow';
+      const summarySymbol = errorCount > 0 ? util.errorSymbol : util.warningSymbol;
+      const summary = `${summarySymbol} ${messagesToLog.length} ${util.plur('problem', messagesToLog.length)} (${errorCount} ${util.plur('error')}, ${warningCount} ${util.plur('warning')})`
+
+      report += `\n ${pico[summaryColor](pico.bold(summary))}\n`;
+
+      console.log(report);
+
+      if (shouldThrowError()) {
+        throw new Error(
+          pico.red(
+            pico.bold('\n** postcss-reporter: warnings or errors were found **')
+          )
+        );
+      }
+
+      function shouldThrowError() {
+        return opts.throwError || errorCount > 0;
+      }
+    },
+  };
+};