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1 files changed, 63 insertions, 0 deletions
| -rw-r--r-- | layouts/partials/layout/javascript.html | 63 |
diff --git a/layouts/partials/layout/javascript.html b/layouts/partials/layout/javascript.html new file mode 100644 index 0000000..fe99cb9 --- /dev/null +++ b/layouts/partials/layout/javascript.html @@ -0,0 +1,63 @@ +<!-- polyfill needed for IE11 and below --> +<script type="text/javascript" src={{ "reveal-hugo/object-assign.js" | relURL }}></script> +<!-- Printing and PDF exports --> +<!-- use Hugo to create the right path for the print stylesheet, then conditionally include it --> +{{- $reveal_location := $.Param "reveal_hugo.reveal_cdn" | default "reveal-js" -}} +<a href="{{ printf "%s/css/print/" $reveal_location | relURL }}" id="print-location" style="display: none;"></a> +<script type="text/javascript"> + var printLocationElement = document.getElementById('print-location'); + var link = document.createElement('link'); + link.rel = 'stylesheet'; + link.type = 'text/css'; + link.href = printLocationElement.href + (window.location.search.match(/print-pdf/gi) ? 'pdf.css' : 'paper.css'); + document.getElementsByTagName('head')[0].appendChild(link); +</script> +<!-- output Hugo parameters into JavaScript to be used when initializing Reveal.js --> +<script type="application/json" id="reveal-hugo-site-params">{{ jsonify .Site.Params.reveal_hugo | safeJS }}</script> +<script type="application/json" id="reveal-hugo-page-params">{{ jsonify .Page.Params.reveal_hugo | safeJS }}</script> +<!-- load Reveal.js javascripts --> +<script src="{{ printf "%s/js/reveal.js" $reveal_location | relURL }}"></script> +<!-- load Reveal.js plugins --> +<script type="text/javascript"> + // Hugo lowercases all params and Reveal.js needs camelcase + // So params in Hugo must be stored in snakecase and we camelize them here + function camelize(map) { + if (map) { + Object.keys(map).forEach(function(k) { + newK = k.replace(/(\_\w)/g, function(m) { return m[1].toUpperCase() }); + if (newK != k) { + map[newK] = map[k]; + delete map[k]; + } + }); + } + return map; + } + // pattern inspired by https://github.com/RealOrangeOne/hugo-theme-revealjs + var revealHugoDefaults = { center: true, controls: true, history: true, progress: true, transition: "slide" }; + var revealHugoSiteParams = JSON.parse(document.getElementById('reveal-hugo-site-params').innerHTML); + var revealHugoPageParams = JSON.parse(document.getElementById('reveal-hugo-page-params').innerHTML); + // See all options - https://github.com/hakimel/reveal.js#configuration + var options = Object.assign({}, + camelize(revealHugoDefaults), + camelize(revealHugoSiteParams), + camelize(revealHugoPageParams)); + Reveal.initialize(options); +</script> +<!-- load Reveal.js plugins after Reveal.js is initialized --> +{{ if $.Param "reveal_hugo.load_default_plugins" | default true }} + {{ $default_plugins := slice "plugin/markdown/marked.js" "plugin/markdown/markdown.js" "plugin/highlight/highlight.js" "plugin/zoom-js/zoom.js" }} + {{ range $default_plugins }} + <script type="text/javascript" src="{{ printf "%s/%s" $reveal_location . | relURL }}"></script> + {{ end }} + <!-- always use local version of the notes plugin since HTML file it requires isn't on CDN --> + <script type="text/javascript" src="{{ "reveal-js/plugin/notes/notes.js" | relURL }}"></script> +{{ end }} +<!-- load custom plugins locally only (not CDN since many plugins won't exist there) --> +{{ range $.Param "reveal_hugo.plugins" }} +<script type="text/javascript" src="{{ . | relURL }}"></script> +{{ end }} +{{- $custom_js := $.Param "reveal_hugo.custom_js" -}} +{{- if $custom_js -}} +<script type="text/javascript" src="{{ $custom_js | relURL }}"></script> +{{- end -}} |