Adds ignore for whatwg (patch)

lib/whatwg-filter-messages.js

@@ -0,0 +1,12 @@
+module.exports = function (messages, ignore) {
+  const filters = Array.isArray(ignore) ? ignore : [ignore]
+  const filtered = messages.filter(item => {
+    const { ruleId, message } = item
+    if (filters.includes(ruleId) || filters.includes(message)) {
+      return false
+    } else {
+      return true
+    }
+  })
+  return filtered
+}

lib/whatwg-validator.js

@@ -1,17 +1,26 @@
 const { HtmlValidate } = require('html-validate')
+const filterMessages = require('./whatwg-filter-messages')
 const config = require('./config')
 
 module.exports = async options => {
   const htmlvalidate = new HtmlValidate()
   options.isLocal = !options.data
   const validatorOptions = await config(options)
-  const { body } = validatorOptions
+  const { body, ignore } = validatorOptions
   const report = htmlvalidate.validateString(body)
-  const { valid, errorCount, warningCount, results } = report
-  const isValid = valid
+  let { valid, errorCount, warningCount, results } = report
+  let isValid = valid
   const messages = results.length > 0 ? results[0].messages : []
-  const errors = messages.filter(message => message.severity === 2)
-  const warnings = messages.filter(message => message.severity === 1)
+  let errors = messages.filter(message => message.severity === 2)
+  let warnings = messages.filter(message => message.severity === 1)
+
+  if (ignore) {
+    errors = filterMessages(errors, ignore)
+    warnings = filterMessages(warnings, ignore)
+    isValid = errors.length === 0
+    errorCount = errors.length
+    warningCount = warnings.length
+  }
 
   return {
     isValid,