--- /dev/null
+module.exports = function (results) {
+ results = results || [];
+
+ const errorType = {
+ warnings: {},
+ errors: {},
+ };
+
+ results.reduce((result, current) => {
+ current.messages.forEach((msg) => {
+ if (msg.severity === 1) {
+ errorType.warnings[msg.ruleId] = errorType.warnings[msg.ruleId] + 1 || 1
+ }
+ if (msg.severity === 2) {
+ errorType.errors[msg.ruleId] = errorType.errors[msg.ruleId] + 1 || 1
+ }
+ });
+ return result;
+ });
+
+ const reduceErrorCounts = (errorType) => Object.entries(errorType).sort((a, b) => b[1] - a[1])
+ .reduce((result, current) => result.concat([`${current[0]}: ${current[1]}`]), []).join('\n');
+
+ const warnings = reduceErrorCounts(errorType.warnings);
+ const errors = reduceErrorCounts(errorType.errors);
+
+ return `
+Errors:
+${'='.repeat(30)}
+${errors}
+${'\n'.repeat(4)}
+Warnings:
+${'='.repeat(30)}
+${warnings}`;
+};