Add the beginnings of a test suite - need to look into adding GitHub …

…Actions.

Fix local error with streaming .wasm files without proper MIME type set.
Run prettier over entire codebase.
Add accessibility for xterm.js and Codemirror.

.gitignore

@@ -1,2 +1,3 @@
 .idea
 node_modules
+build/

.prettierignore

@@ -0,0 +1,4 @@
+node_modules
+dist
+js/lib
+package-lock.json

Makefile

@@ -0,0 +1,19 @@
+SHELL = /bin/bash
+
+.PHONY: build
+build: docker-compose.override.yml
+	docker-compose run --rm web npm run build
+
+.PHONY: test
+test: docker-compose.override.yml
+	docker-compose run --rm test npm run test
+
+docker-compose.override.yml:
+	@echo "version: '3'" > docker-compose.override.yml
+	@echo >> docker-compose.override.yml
+	@echo "services:" >> docker-compose.override.yml
+	@echo "  web:" >> docker-compose.override.yml
+	@echo "    user: `id -u`:`id -g`" >> docker-compose.override.yml
+
+dist/js/app.js:
+dist/js/app.js: build

README.md

@@ -4,8 +4,8 @@ Run code in your browser (via WASM) outputting the results to xterm.js to allow
 
 ## Currently supported:
 
- - Perl 5.28.1 (via webperl)
- - JavaScript (via a worker)
+- Perl 5.28.1 (via webperl)
+- JavaScript (via a worker)
 
 ## TODO
 

_config.yml

@@ -1 +1 @@
-theme: jekyll-theme-slate
+theme: jekyll-theme-slate

docker-compose.yml

@@ -1,9 +1,27 @@
-version: "3.1"
+version: '3.1'
 
 services:
   web:
-    image: httpd:2.4-alpine
+    image: code-sandbox
     volumes:
       - ./:/usr/local/apache2/htdocs
+      - ./docker/web/httpd.conf:/usr/local/apache2/conf/httpd.conf
+    build:
+      context: ./docker/web/
     ports:
       - 8000:80
+
+  test:
+    image: code-sandbox-test
+    volumes:
+      - ./:/src/
+    build:
+      context: ./docker/test/
+    depends_on:
+      - web
+    links:
+      - web
+    # https://stackoverflow.com/a/53975412/3145856
+    # https://github.com/docker/compose/issues/5574
+    security_opt:
+      - seccomp:"./docker/test/chrome.json"

docker/test/Dockerfile

@@ -0,0 +1,49 @@
+FROM node:slim
+
+# Install latest chrome dev package and fonts to support major charsets (Chinese, Japanese, Arabic, Hebrew, Thai and a few others)
+# Note: this installs the necessary libs to make the bundled version of Chromium that Puppeteer
+# installs, work.
+RUN apt-get update \
+    && apt-get install -y wget gnupg \
+    && wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
+    && sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list' \
+    && apt-get update \
+    && apt-get install -y google-chrome-stable fonts-ipafont-gothic fonts-wqy-zenhei fonts-thai-tlwg fonts-kacst fonts-freefont-ttf libxss1 \
+      --no-install-recommends \
+    && rm -rf /var/lib/apt/lists/*
+
+# If running Docker >= 1.13.0 use docker run's --init arg to reap zombie processes, otherwise
+# uncomment the following lines to have `dumb-init` as PID 1
+# ADD https://github.com/Yelp/dumb-init/releases/download/v1.2.2/dumb-init_1.2.2_x86_64 /usr/local/bin/dumb-init
+# RUN chmod +x /usr/local/bin/dumb-init
+# ENTRYPOINT ["dumb-init", "--"]
+
+# Uncomment to skip the chromium download when installing puppeteer. If you do,
+# you'll need to launch puppeteer with:
+#     browser.launch({executablePath: 'google-chrome-stable'})
+# ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD true
+
+WORKDIR /home/pptruser
+
+# Install puppeteer so it's available in the container.
+RUN npm install -g npm@latest \
+    && npm init -y \
+    && npm i puppeteer \
+    # Add user so we don't need --no-sandbox.
+    # same layer as npm install to keep re-chowned files from using up several hundred MBs more space
+    && groupadd -r pptruser && useradd -r -g pptruser -G audio,video pptruser \
+    && mkdir -p /home/pptruser/Downloads \
+    && chown -R pptruser:pptruser /home/pptruser \
+    && chmod -R 777 /tmp \
+    && apt-get update \
+    && apt-get install -y socat \
+    && npm config set update-notifier false
+
+COPY ./entrypoint.sh /usr/local/bin/entrypoint.sh
+
+RUN chmod +x /usr/local/bin/entrypoint.sh
+
+# Run everything after as non-privileged user.
+USER pptruser
+
+ENTRYPOINT ["bash", "/usr/local/bin/entrypoint.sh"]