Bundle a minified pdf-lib module to Marp CLI

Author: yhatt

package.json

@@ -102,6 +102,7 @@
     "nanoid": "^3.1.23",
     "npm-run-all": "^4.1.5",
     "os-locale": "^6.0.0",
+    "pdf-lib": "^1.16.0",
     "pkg": "^5.3.1",
     "pkg-up": "^3.1.0",
     "portfinder": "^1.0.28",
@@ -141,7 +142,6 @@
     "cosmiconfig": "^7.0.0",
     "express": "^4.17.1",
     "import-from": "^4.0.0",
-    "pdf-lib": "^1.16.0",
     "pptxgenjs": "^3.7.1",
     "puppeteer-core": "10.2.0",
     "serve-index": "^1.9.1",

src/converter.ts

@@ -261,7 +261,12 @@ export class Converter {
 
     // Apply PDF metadata and annotations
     const creationDate = new Date()
-    const { PDFDocument, PDFHexString, PDFString } = await import('pdf-lib')
+    const { PDFDocument, PDFHexString, PDFString } = await import(
+      // Use pre-bundled pdf-lib to avoid circular dependency warning. pdf-lib
+      // as an external dependency will make failure in the standalone binary.
+      // @see https://github.com/marp-team/marp-cli/issues/373
+      'pdf-lib/dist/pdf-lib.min.js'
+    )
     const pdfDoc = await PDFDocument.load(ret.buffer)
 
     pdfDoc.setCreator(CREATED_BY_MARP)

src/typings.d.ts

@@ -14,3 +14,7 @@ declare module '*.scss' {
   const scss: string
   export default scss
 }
+
+declare module 'pdf-lib/dist/pdf-lib.min.js' {
+  export * from 'pdf-lib'
+}