Scaffolding for PDF salad

projects/pdf-salad/src/Externs.hx

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+package;
+
+import js.node.Buffer;
+import js.lib.Promise;
+
+@:jsRequire("pdf-lib", "PDFDocument")
+extern class PDFDocument {
+    public static function create():Promise<PDFDocument>;
+    public static function load(bytes:Buffer):Promise<PDFDocument>;
+    public function save():Promise<Buffer>;
+}

projects/pdf-salad/src/Main.hx

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+package;
+
+import js.lib.Uint8Array;
+import js.node.Fs;
+import kiss.Kiss;
+import kiss.Prelude;
+import Externs;
+
+@:build(kiss.Kiss.build("src/Main.kiss"))
+class Main {}

projects/pdf-salad/src/Main.kiss

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+(defun main []
+    (let [bytesIn (Fs.readFileSync "example-input/antique-phone-shop.pdf")]
+        (.then (PDFDocument.load bytesIn) (lambda [pdfToModify]
+            (.then (pdfToModify.save) (lambda [bytesOut]
+                (Fs.writeFileSync "out.pdf" bytesOut)))))))