perf: run validations in parallel

fixes #3

example/package-lock.json

@@ -20,6 +20,7 @@
         "chalk": "5.1.2",
         "clipanion": "3.1.0",
         "html-validator": "6.0.1",
+        "log-symbols": "5.1.0",
         "ora": "6.1.2",
         "read-pkg": "7.1.0",
         "table": "6.8.0"
@@ -1759,6 +1760,7 @@
         "html-validator": "6.0.1",
         "husky": "8.0.1",
         "lint-staged": "13.0.3",
+        "log-symbols": "5.1.0",
         "markdownlint-cli": "0.32.2",
         "mock-fs": "5.1.4",
         "ora": "6.1.2",

package-lock.json

@@ -13,6 +13,7 @@
         "chalk": "5.1.2",
         "clipanion": "3.1.0",
         "html-validator": "6.0.1",
+        "log-symbols": "5.1.0",
         "ora": "6.1.2",
         "read-pkg": "7.1.0",
         "table": "6.8.0"

package.json

@@ -47,6 +47,7 @@
     "chalk": "5.1.2",
     "clipanion": "3.1.0",
     "html-validator": "6.0.1",
+    "log-symbols": "5.1.0",
     "ora": "6.1.2",
     "read-pkg": "7.1.0",
     "table": "6.8.0"

src/HTMLValidatorCommand.ts

@@ -4,6 +4,7 @@ import fs from 'node:fs'
 import { Command } from 'clipanion'
 import chalk from 'chalk'
 import ora from 'ora'
+import logSymbols from 'log-symbols'
 import type {
   ValidationMessageLocationObject,
   ParsedJsonAsValidationResults
@@ -26,6 +27,21 @@ interface Error {
   messagesTable: string[][]
 }
 
+interface Result {
+  data: string
+  isSuccess: boolean
+}
+
+const printResults = (results: Result[]): void => {
+  for (const result of results) {
+    if (result.isSuccess) {
+      console.log(logSymbols.success, result.data)
+    } else {
+      console.log(logSymbols.error, result.data)
+    }
+  }
+}
+
 export class HTMLValidatorCommand extends Command {
   static usage = {
     description:
@@ -40,7 +56,6 @@ export class HTMLValidatorCommand extends Command {
           `No config file found at ${configPath}. Please create ${CONFIG_FILE_NAME}.`
         )
       }
-
       const configData = await fs.promises.readFile(configPath, {
         encoding: 'utf-8'
       })
@@ -74,8 +89,10 @@ export class HTMLValidatorCommand extends Command {
       const dataToValidate = [...urls, ...files]
       const errors: Error[] = []
       let isValid = true
-      for (const { data, type } of dataToValidate) {
+      const loader = ora(`Validating HTML (W3C)...`).start()
-        const loader = ora(`Validating ${data}`).start()
+      const results: Result[] = []
+      await Promise.all(
+        dataToValidate.map(async ({ data, type }) => {
           try {
             const options = {
               format: 'json' as 'json' | undefined
@@ -108,9 +125,9 @@ export class HTMLValidatorCommand extends Command {
               return message.type === 'error'
             })
             if (!hasErrors) {
-            loader.succeed()
+              results.push({ data, isSuccess: true })
             } else {
-            loader.fail()
+              results.push({ data, isSuccess: false })
               const messagesTable: string[][] = []
               for (const message of result.messages) {
                 if (message.type === 'error') {
@@ -130,16 +147,17 @@ export class HTMLValidatorCommand extends Command {
               isValid = false
             }
           } catch (error) {
-          loader.fail()
             isValid = false
             if (error instanceof Error) {
               const messagesTable: string[][] = [[error.message]]
               errors.push({ data, messagesTable })
             }
           }
-      }
+        })
-
+      )
       if (!isValid) {
+        loader.fail()
+        printResults(results)
         for (const error of errors) {
           console.error(`\n${error.data}`)
           console.error(table(error.messagesTable))
@@ -148,10 +166,10 @@ export class HTMLValidatorCommand extends Command {
         console.error()
         throw new Error('HTML validation (W3C) failed!')
       }
-      console.log()
+      loader.succeed(
-      console.log(
         `${chalk.bold.green('Success:')} HTML validation (W3C) passed! 🎉`
       )
+      printResults(results)
       return 0
     } catch (error) {
       if (error instanceof Error) {