Added dependency epub-gen and initial usage.

.github/workflows/ci.yml

@@ -19,4 +19,4 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: book
-          path: example.html
+          path: book.epub

action.js

@@ -5,23 +5,51 @@ import path from 'path'
 import { fileURLToPath } from 'url'
 import { marked } from 'marked'
 import { glob } from 'glob'
+import EPub from 'epub-gen'
 
 const include = process.env.INPUT_INCLUDE
-const includes = include.split('\\n')
+if (!include) {
+  console.error('Missing required input: \'include\'')
+  process.exit(1)
+}
+
+const includes = include?.split('\\n') || []
 let allMarkdown = ''
 
 console.log('include:', include)
 
-for (const i in includes) {
-  const regex = includes[i]
+for (const includeIndex in includes) {
+  const regex = includes[includeIndex]
   const markdownFileNames = await glob(regex.trim(), { ignore: 'node_modules/**' })
   console.log('markdownFileNames:', markdownFileNames)
-  for (const j in markdownFileNames) {
-    const markdownFileName = markdownFileNames[j]
+  for (const fileIndex in markdownFileNames) {
+    const markdownFileName = markdownFileNames[fileIndex]
     const markdown = fs.readFileSync(path.resolve(import.meta.dirname, markdownFileName)).toString().trim()
     allMarkdown += `${markdown}\n\n`
   }
 }
+
+
+const option = {
+  title: "Alice's Adventures in Wonderland", // *Required, title of the book.
+  author: "Lewis Carroll", // *Required, name of the author.
+  publisher: "Macmillan & Co.", // optional
+  cover: "http://demo.com/url-to-cover-image.jpg", // Url or File path, both ok.
+  content: [
+    {
+        title: "About the author", // Optional
+        author: "John Doe", // Optional
+        data: "<h2>Charles Lutwidge Dodgson</h2>"
+        +"<div lang=\"en\">Better known by the pen name Lewis Carroll...</div>" // pass html string
+    },
+    {
+        title: "Down the Rabbit Hole",
+        data: "<p>Alice was beginning to get very tired...</p>"
+    },
+  ]
+}
+
+await new EPub(option, '/book.epub').promise
 //console.log('allMarkdown:', allMarkdown)
 const html = marked.parse(allMarkdown)
 console.log('html:', html, '\n')

entrypoint.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-node /action.js " '%s'" "$@"
+node /action.js
 
 # `$#` expands to the number of arguments and `$@` expands to the supplied `args`
 printf '%d args:' "$#"