Changed google compile method from java to npx.

.github/workflows/build.yml

@@ -0,0 +1,16 @@
+name: Build
+run-name: Build for browser and GAS
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: ['lts/*']
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm ci
+      - run: npm run build

README.md

@@ -1,5 +1,7 @@
 <div align="center"><img src="logo.png" title="zgapdfsigner"></div>
 
+![build status](https://github.com/zboris12/zgapdfsigner/actions/workflows/build.yml/badge.svg)
+
 # ZgaPdfSigner
 A javascript tool to sign a pdf or set protection of a pdf in web browser.  
 And it is more powerful when used in [Google Apps Script](https://developers.google.com/apps-script) or [nodejs](https://nodejs.org/).  

build.sh

@@ -0,0 +1,47 @@
+# !/bin/bash
+# set -x
+
+OUTFLDR=dist
+if [ -d ${OUTFLDR} ]
+then
+	rm -f ${OUTFLDR}/*
+else
+	mkdir ${OUTFLDR}
+fi
+
+GCCOPT="--charset UTF-8 --compilation_level SIMPLE_OPTIMIZATIONS --warning_level VERBOSE"
+GCCEXT="--externs closure/google-ext.js --externs closure/forge-ext.js --externs closure/pdflib-ext.js --externs closure/zb-externs.js"
+jss=""
+while read js
+do
+	if [ -n "${js}" ]
+	then
+		c=$(echo "${js}" | cut -b1)
+		if [ "$c" != "#" ]
+		then
+			outf="${OUTFLDR}/_${js}"
+			sed -e "s/\/\/Only for nodejs Start\/\//\/*/g" -e "s/\/\/Only for nodejs End\/\//*\//g" "lib/${js}" > "${outf}"
+			if [ $? -eq 0 ]
+			then
+				echo "Created js file: ${outf}"
+				jss="${jss} --js ${outf}"
+			else
+				echo "Failed create js file: ${outf}"
+				exit 10
+			fi
+		fi
+	fi
+done <<< "
+zgacertsutil.js
+zgapdfcryptor.js
+zgapdfsigner.js
+zgaindex.js
+"
+npx google-closure-compiler ${GCCOPT} ${GCCEXT} ${jss} --js_output_file ${OUTFLDR}/zgapdfsigner.min.js
+if [ $? -ne 0 ]
+then
+	echo "google-closure-compiler failed."
+	exit 20
+fi
+
+exit 0