WIP first commit

Dockerfile

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+FROM node:10
+
+RUN apt-get update && \
+    apt-get -y install xvfb gconf-service libasound2 libatk1.0-0 libc6 libcairo2 libcups2 \
+      libdbus-1-3 libexpat1 libfontconfig1 libgcc1 libgconf-2-4 libgdk-pixbuf2.0-0 libglib2.0-0 \
+      libgtk-3-0 libnspr4 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 \
+      libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 \
+      libxtst6 ca-certificates fonts-liberation libappindicator1 libnss3 lsb-release xdg-utils wget curl && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN npm install puppeteer markdown-it mustache markdown-it-named-headers cheerio
+COPY makepdfs.js /
+COPY package.json /
+COPY template/ template/
+COPY styles/ styles/
+
+RUN     fc-cache -fv && \
+        chmod +x /makepdfs.js && \
+        mkdir /pdf && \
+        chmod 777 /pdf && \
+        ln -s /makepdfs.js /usr/local/bin/makepdfs
+CMD [ "makepdfs" ]

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 Merritt Krakowitzer
+Copyright (c) 2020 Merritt Krakowitzer
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

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+# A github action for creating PDFs from github markdown
+
+This action creates PDF documents from github markdown
+
+## Inputs
+
+### `markdown_dir`
+
+**Required** Location of markdown files in github repository. Default `doc`.
+
+### `output_dir`
+
+**Required** Location to output PDF files to. Default `tmp`.
+
+## Example usage
+
+```
+on: [push]
+
+name: CreatePDFs
+
+jobs:
+  makepdfs:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: mkrakowitzer/actions-makepdfs@master
+      if: github.ref == 'refs/heads/master'
+    - uses: actions/upload-artifact@v1
+      with:
+        name: platform-architecture-docs
+        path: tmp
+```

action.yml

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+# action.yml
+name: 'Create PDF'
+description: 'Creates PDF files from github markdown'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+inputs:
+  markdown_dir:
+    description: 'Location of markdown files in github repository'
+    required: true
+    default: 'doc'
+  output_dir:
+    description: 'Location to output PDF files to'
+    required: true
+    default: 'tmp'
+
+branding:
+  icon: 'activity'
+  color: 'green'

makepdfs.js

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+#!/usr/bin/env node
+
+const markdown_dir = process.env.INPUT_MARKDOWN_DIR;
+const output_dir = process.env.INPUT_OUTPUT_DIR;
+
+'use strict';
+var fs = require( 'fs' );
+var mddir = '/github/workspace/' + markdown_dir;
+var dir = '/github/workspace/' + output_dir + '/';
+
+/* 
+ * Show an error message 
+ */
+function showErrorMessage(msg, error) {
+	console.log('ERROR: ' + msg);
+	if (error) {
+	  console.log(error);
+	}
+}
+
+/*
+ * make html
+ */
+function makeHtml(data) {
+	try {
+		// read files that make up template
+		var style = fs.readFileSync("/styles/markdown.css", ).toString('utf-8') + fs.readFileSync("/styles/markdown-pdf.css", ).toString('utf-8');
+		var template = fs.readFileSync("/template/template.html").toString('utf-8');
+		// compile template
+		var mustache = require('mustache');
+
+		var view = {
+			style: style,
+			content: data
+		};
+		return mustache.render(template, view);
+	} catch (error) {
+		showErrorMessage('makeHtml()', error);
+	}
+}
+
+/*
+ * make PDF
+ */
+function makePdf(data,file) {
+	try {
+		file  = file.replace('.md','');
+		const puppeteer = require('puppeteer');
+		(async () => {
+				const browser = await puppeteer.launch( {
+				executablePath:'/node_modules/puppeteer/.local-chromium/linux-706915/chrome-linux/chrome',
+				args: [
+					'--headless',
+					'--no-sandbox',
+					'--disable-setuid-sandbox'
+				]
+			} )
+			const page = await browser.newPage();
+			await page.goto(data, {waitUntil: 'networkidle2'});
+			await page.pdf({
+				path: dir + file + '.pdf',
+				format: 'A4',
+				scale: .9,
+				displayHeaderFooter: true,
+				margin: {top: 100, bottom:100, right: '50', left: '50'},
+				footerTemplate: '<div class="pageNumber" style="font-size:8px;width:100%;text-align:center;"></div>',
+				headerTemplate: '<div class="date" style="font-size:8px;width:100%;text-align:center;"></div>'
+			});
+
+			await browser.close();
+		  })();
+	} catch (error) {
+		showErrorMessage('makeHtml()', error);
+	}
+}
+
+function Slug(string) {
+	try {
+	  var stg = encodeURI(string.trim()
+		.toLowerCase()
+		.replace(/[\]\[\!\"\#\$\%\&\'\(\)\*\+\,\.\/\:\;\<\=\>\?\@\\\^\_\{\|\}\~\`]/g, '')
+		.replace(/\s+/g, '-')
+		.replace(/^\-+/, '')
+		.replace(/\-+$/, ''));
+	  return stg;
+	} catch (error) {
+	  showErrorMessage('Slug()', error);
+	}
+}
+
+var path = require('path');
+
+if (!fs.existsSync(dir)){
+    fs.mkdirSync(dir);
+}
+
+fs.readdir (mddir,function(err, files) {
+   for (let file of files) {
+      if (path.extname(file) == '.md') {				 
+				var text = fs.readFileSync('doc/' + file).toString('utf-8');
+				var md = require('markdown-it')({
+					html: true,
+					breaks: true,
+					highlight: function (str, lang) {
+						if (lang && hljs.getLanguage(lang)) {
+						try {
+							str = hljs.highlight(lang, str, true).value;
+						} catch (error) {
+							str = md.utils.escapeHtml(str);
+
+							showErrorMessage('markdown-it:highlight', error);
+						}
+						} else {
+						str = md.utils.escapeHtml(str);
+						}
+						return '<pre class="hljs"><code><div>' + str + '</div></code></pre>';
+					}
+				});
+				var options = {
+						slugify: Slug
+				}
+				md.use(require('markdown-it-named-headers'), options);
+				var body = md.render(text);
+				makePdf('data:text/html;,' + encodeURIComponent(makeHtml(body)),file);
+      }
+   }
+});

package.json

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+{
+  "dependencies": {
+    "puppeteer": "1.15.0",
+    "commander": "2.20.0",
+    "markdown-it": "8.4.2"
+  }
+}

styles/markdown-pdf.css

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+/*
+ * Markdown PDF CSS
+ */
+
+ body {
+	font-family:  "Meiryo", "Segoe WPC", "Segoe UI", "SFUIText-Light", "HelveticaNeue-Light", sans-serif, "Droid Sans Fallback";
+}
+
+img {
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+  width: 50%;
+}
+
+pre {
+	background-color: #f8f8f8;
+	border: 1px solid #cccccc;
+	border-radius: 3px;
+	overflow-x: auto;
+	white-space: pre-wrap;
+	overflow-wrap: break-word;
+}
+
+pre:not(.hljs) {
+	padding: 23px;
+	line-height: 19px;
+}
+
+blockquote {
+	background: rgba(127, 127, 127, 0.1);
+	border-color: rgba(0, 122, 204, 0.5);
+}
+
+.emoji {
+	height: 1.4em;
+}
+
+/* for inline code */
+:not(pre):not(.hljs) > code {
+	color: #C9AE75; /* Change the old color so it seems less like an error */
+	font-size: inherit;
+}
+
+/* Page Break : use <div class="page"/> to insert page break
+-------------------------------------------------------- */
+.page {
+	page-break-after: always;
+}
+
+@media print {
+	p {page-break-inside: avoid;}
+	h1 {page-break-before: always;}
+	footer {page-break-after: always;}
+}