Validate that checkPaths exist

Author: ehmicky

plugin/index.js

@@ -15,7 +15,8 @@ module.exports = {
     }) {
       const htmlFilePaths = await pluginCore.generateFilePaths({
         fileAndDirPaths: checkPaths,
-        PUBLISH_DIR
+        PUBLISH_DIR,
+        build
       });
       if (debugMode) {
         console.log({ htmlFilePaths });

plugin/pluginCore.js

@@ -2,7 +2,7 @@ const { extname } = require('path')
 
 const pa11y = require('pa11y');
 const readdirp = require('readdirp')
-const { isDirectory } = require('path-type')
+const { isDirectory, isFile } = require('path-type')
 
 exports.runPa11y = async function({ htmlFilePaths, testMode, debugMode }) {
   let results = await Promise.all(htmlFilePaths.map(pa11y));
@@ -28,21 +28,26 @@ exports.runPa11y = async function({ htmlFilePaths, testMode, debugMode }) {
 exports.generateFilePaths = async function({
   fileAndDirPaths, // array, mix of html and directories
   PUBLISH_DIR,
+  build,
   testMode,
   debugMode
 }) {
   const htmlFilePaths = await Promise.all(
-    fileAndDirPaths.map(fileAndDirPath => findHtmlFiles(`${PUBLISH_DIR}/${fileAndDirPath}`))
+    fileAndDirPaths.map(fileAndDirPath => findHtmlFiles(`${PUBLISH_DIR}/${fileAndDirPath}`, build))
   )
   return [].concat(...htmlFilePaths)
 };
 
-const findHtmlFiles = async function(fileAndDirPath) {
+const findHtmlFiles = async function(fileAndDirPath, build) {
   if (await isDirectory(fileAndDirPath)) {
     const fileInfos = await readdirp.promise(fileAndDirPath, { fileFilter: '*.html' })
     return fileInfos.map(({ fullPath }) => fullPath)
   }
 
+  if (!(await isFile(fileAndDirPath))) {
+    build.failBuild(`Input "checkPaths" does not exist: ${fileAndDirPath}`)
+  }
+
   if (extname(fileAndDirPath) !== '.html') {
     return []
   }

tests/generateFilePaths/this.test.js

@@ -7,7 +7,8 @@ const pluginCore = require('../../plugin/pluginCore.js');
 test('generateFilePaths works', async () => {
   const results = await pluginCore.generateFilePaths({
     fileAndDirPaths: ['/blog', '/about.html'],
-    PUBLISH_DIR
+    PUBLISH_DIR,
+    build: { failBuild() {} }
   });
   expect(results).toMatchSnapshot();
 });