Code Blocks: Language and Copy Clipboard, Integrity Option

16 files changed, 123 insertions, 39 deletions

diff --git a/README.md b/README.md
index b5666e4..63a4cc7 100644
--- a/README.md
+++ b/README.md
@@ -154,6 +154,7 @@ These are the javascript files currently used by Abridge:
 - search_index.en.js: search index generated by zola at each build for elasticlunr.
 - elasticlunr.min.js: search library for client side searching.
 - search.js: to make use of elasticlunr from our sites search box for both suggestions and the results page.
+- codecopy.js: add a Copy Button to code blocks, to copy contents of the code block to clipboard.
 - theme.js: very tiny script to facilitate local storage for the theme switcher. (never bundle, gets loaded separate)
 - theme_button.js: tiny script for the theme switcher function when you click the theme switch button.
 - prestyle.js: Used to preload css files `<link rel="preload"` - this script changes these to `<link rel="stylesheet"` once the page has finished loading, this allows us to load stylesheets for external fonts, fontawesome, or katex in a non blocking fashion.
@@ -234,6 +235,7 @@ The following options should be under the `[extra]` in `config.toml`
 - `security_header_referrer` - This is mostly used for tracking, the default is set to "strict-origin-when-cross-origin" [info](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy)
 - `security_header_csp` - Content Security policy, to enfore security rules: [observatory](https://observatory.mozilla.org), [csp-google](https://csp-evaluator.withgoogle.com/)
 
+- `integrity` - Useful to set false during development, should normally be set to true.
 - `js_search_index` - The search index file to include in the header, comment out to disable.
 - `js_prestyle` - The script file used to preload: FontAwesome, Katex, external Google Fonts.
 - `js_search` - The search script file to include in the header, comment out to disable.
diff --git a/config.toml b/config.toml
index fb49968..6a67c2a 100644
--- a/config.toml
+++ b/config.toml
@@ -92,9 +92,11 @@ menu_footer = [
 #################
 # Resource Files
 #################
+integrity = true # setting this to false is useful for developing, should normally be true.
 js_search_index = "search_index.en.js" # Separate Always, generated each build
 js_prestyle = "prestyle.js"# Bundleable - used to preload: FontAwesome, Katex, external Google Fonts
 js_search = [ "elasticlunr.min.js", "search.js" ]# Bundleable
+js_codecopy = "codecopy.js"# Bundleable
 
 ########## Switcher ########## (comment this block out if NOT using switcher):
 js_theme = "theme.min.js" # Separate Always, comment out if using -auto/-light/-dark stylesheet. (required for switcher)
@@ -123,8 +125,8 @@ stylesheets = [ "abridge-switcher.css" ] # Orange Automatic Dark/Light Theme bas
 # You can include whatever js you want in your bundle. just generate your file like below and place in your sites root static directory:
 #               cd mysite/themes/abridge/static
 # search:       uglifyjs elasticlunr.min.js search.js -o search.min.js -c -m
-# noswitcher:   uglifyjs prestyle.js elasticlunr.min.js search.js -o abridge.min.js -c -m
-# ALL:          uglifyjs prestyle.js theme_button.js elasticlunr.min.js search.js -o abridge-switcher.min.js -c -m
+# noswitcher:   uglifyjs prestyle.js codecopy.js elasticlunr.min.js search.js -o abridge.min.js -c -m
+# ALL:          uglifyjs prestyle.js codecopy.js theme_button.js elasticlunr.min.js search.js -o abridge-switcher.min.js -c -m
 # theme:        uglifyjs theme.js -o theme.min.js -c -m
 # katex_bundle: uglifyjs katex.min.js mathtex-script-type.min.js auto-render.min.js katexoptions.js -o katexbundle.min.js -c -m
 
diff --git a/dist/abridge-blue.css b/dist/abridge-blue.css
deleted file mode 100644
index 54a2234..0000000
--- a/dist/abridge-blue.css
+++ /dev/null
@@ -1 +0,0 @@
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deleted file mode 100644
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diff --git a/dist/abridge-bluenight.css b/dist/abridge-bluenight.css
deleted file mode 100644
index b198a08..0000000
--- a/dist/abridge-bluenight.css
+++ /dev/null
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diff --git a/dist/abridge-dark.css b/dist/abridge-dark.css
deleted file mode 100644
index 79886b8..0000000
--- a/dist/abridge-dark.css
+++ /dev/null
@@ -1 +0,0 @@
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deleted file mode 100644
index 12ef9cc..0000000
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diff --git a/dist/abridge.css b/dist/abridge.css
deleted file mode 100644
index e1c5b4a..0000000
--- a/dist/abridge.css
+++ /dev/null
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diff --git a/static/abridge.min.js b/static/abridge.min.js
index a57ed90..aefaa2c 100644
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this._fields.forEach(function(e){t[e]=this.index[e].toJSON()},this),{version:m.version,fields:this._fields,ref:this._ref,documentStore:this.documentStore.toJSON(),index:t,pipeline:this.pipeline.toJSON()}},m.Index.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},(m.DocumentStore=function(e){this._save=null==e||e,this.docs={},this.docInfo={},this.length=0}).load=function(e){var t=new this;return t.length=e.length,t.docs=e.docs,t.docInfo=e.docInfo,t._save=e.save,t},m.DocumentStore.prototype.isDocStored=function(){return this._save},m.DocumentStore.prototype.addDoc=function(e,t){this.hasDoc(e)||this.length++,this.docs[e]=!0===this._save?function(e){if(null===e||"object"!=typeof e)return e;var t,n=e.constructor();for(t in e)e.hasOwnProperty(t)&&(n[t]=e[t]);return n}(t):null},m.DocumentStore.prototype.getDoc=function(e){return!1===this.hasDoc(e)?null:this.docs[e]},m.DocumentStore.prototype.hasDoc=function(e){return e in 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e.length<3?e:("y"==(n=e.substr(0,1))&&(e=n.toUpperCase()+e.substr(1)),u=y,(r=g).test(e)?e=e.replace(r,"$1$2"):u.test(e)&&(e=e.replace(u,"$1$2")),u=S,(r=v).test(e)?(l=r.exec(e),(r=d).test(l[1])&&(e=e.replace(r=x,""))):u.test(e)&&(s=(l=u.exec(e))[1],(u=p).test(s)&&(e=s,o=b,i=I,(u=w).test(e)?e+="e":o.test(e)?e=e.replace(r=x,""):i.test(e)&&(e+="e"))),(r=E).test(e)&&(e=(s=(l=r.exec(e))[1])+"i"),(r=F).test(e)&&(s=(l=r.exec(e))[1],t=l[2],(r=d).test(s)&&(e=s+a[t])),(r=D).test(e)&&(s=(l=r.exec(e))[1],t=l[2],(r=d).test(s)&&(e=s+c[t])),u=C,(r=k).test(e)?(s=(l=r.exec(e))[1],(r=h).test(s)&&(e=s)):u.test(e)&&(s=(l=u.exec(e))[1]+l[2],(u=h).test(s)&&(e=s)),(r=_).test(e)&&(s=(l=r.exec(e))[1],u=f,o=P,((r=h).test(s)||u.test(s)&&!o.test(s))&&(e=s)),u=h,(r=N).test(e)&&u.test(e)&&(e=e.replace(r=x,"")),"y"==n?n.toLowerCase()+e.substr(1):e)},"stemmer"),m.stopWordFilter=function(e){return e&&!0!==m.stopWordFilter.stopWords[e]?e:void 0},m.clearStopWords=function(){m.stopWordFilter.stopWords={}},m.addStopWords=function(e){null!=e&&!1!==Array.isArray(e)&&e.forEach(function(e){m.stopWordFilter.stopWords[e]=!0},this)},m.resetStopWords=function(){m.stopWordFilter.stopWords=m.defaultStopWords},m.stopWordFilter.stopWords=m.defaultStopWords={"":!0,a:!0,able:!0,about:!0,across:!0,after:!0,all:!0,almost:!0,also:!0,am:!0,among:!0,an:!0,and:!0,any:!0,are:!0,as:!0,at:!0,be:!0,because:!0,been:!0,but:!0,by:!0,can:!0,cannot:!0,could:!0,dear:!0,did:!0,do:!0,does:!0,either:!0,else:!0,ever:!0,every:!0,for:!0,from:!0,get:!0,got:!0,had:!0,has:!0,have:!0,he:!0,her:!0,hers:!0,him:!0,his:!0,how:!0,however:!0,i:!0,if:!0,in:!0,into:!0,is:!0,it:!0,its:!0,just:!0,least:!0,let:!0,like:!0,likely:!0,may:!0,me:!0,might:!0,most:!0,must:!0,my:!0,neither:!0,no:!0,nor:!0,not:!0,of:!0,off:!0,often:!0,on:!0,only:!0,or:!0,other:!0,our:!0,own:!0,rather:!0,said:!0,say:!0,says:!0,she:!0,should:!0,since:!0,so:!0,some:!0,than:!0,that:!0,the:!0,their:!0,them:!0,then:!0,there:!0,these:!0,they:!0,this:!0,tis:!0,to:!0,too:!0,twas:!0,us:!0,wants:!0,was:!0,we:!0,were:!0,what:!0,when:!0,where:!0,which:!0,while:!0,who:!0,whom:!0,why:!0,will:!0,with:!0,would:!0,yet:!0,you:!0,your:!0},m.Pipeline.registerFunction(m.stopWordFilter,"stopWordFilter"),m.Pipeline.registerFunction(m.trimmer=function(e){if(null==e)throw new Error("token should not be undefined");return e.replace(/^\W+/,"").replace(/\W+$/,"")},"trimmer"),(m.InvertedIndex=function(){this.root={docs:{},df:0}}).load=function(e){var t=new this;return t.root=e.root,t},m.InvertedIndex.prototype.addToken=function(e,t,n){for(var n=n||this.root,o=0;o<=e.length-1;){var i=e[o];i in n||(n[i]={docs:{},df:0}),o+=1,n=n[i]}var r=t.ref;n.docs[r]?n.docs[r]={tf:t.tf}:(n.docs[r]={tf:t.tf},n.df+=1)},m.InvertedIndex.prototype.hasToken=function(e){if(!e)return!1;for(var t=this.root,n=0;n<e.length;n++){if(!t[e[n]])return!1;t=t[e[n]]}return!0},m.InvertedIndex.prototype.getNode=function(e){if(!e)return null;for(var t=this.root,n=0;n<e.length;n++){if(!t[e[n]])return null;t=t[e[n]]}return t},m.InvertedIndex.prototype.getDocs=function(e){e=this.getNode(e);return null==e?{}:e.docs},m.InvertedIndex.prototype.getTermFrequency=function(e,t){e=this.getNode(e);return null!=e&&t in 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t.elements=e,t.length=e.length,t},lunr.SortedSet.prototype.add=function(){for(var e,t=0;t<arguments.length;t++)~this.indexOf(e=arguments[t])||this.elements.splice(this.locationFor(e),0,e);this.length=this.elements.length},lunr.SortedSet.prototype.toArray=function(){return this.elements.slice()},lunr.SortedSet.prototype.map=function(e,t){return this.elements.map(e,t)},lunr.SortedSet.prototype.forEach=function(e,t){return this.elements.forEach(e,t)},lunr.SortedSet.prototype.indexOf=function(e){for(var t=0,n=this.elements.length,o=n-t,i=t+Math.floor(o/2),r=this.elements[i];1<o;){if(r===e)return i;o=(n=e<r?i:n)-(t=r<e?i:t),i=t+Math.floor(o/2),r=this.elements[i]}return r===e?i:-1},lunr.SortedSet.prototype.locationFor=function(e){for(var t=0,n=this.elements.length,o=n-t,i=t+Math.floor(o/2),r=this.elements[i];1<o;)o=(n=e<r?i:n)-(t=r<e?i:t),i=t+Math.floor(o/2),r=this.elements[i];return e<r?i:r<e?i+1:void 0},lunr.SortedSet.prototype.intersect=function(e){for(var t=new lunr.SortedSet,n=0,o=0,i=this.length,r=e.length,s=this.elements,u=e.elements;!(i-1<n||r-1<o);)s[n]!==u[o]?s[n]<u[o]?n++:s[n]>u[o]&&o++:(t.add(s[n]),n++,o++);return t},lunr.SortedSet.prototype.clone=function(){var e=new lunr.SortedSet;return e.elements=this.toArray(),e.length=e.elements.length,e},lunr.SortedSet.prototype.union=function(e){for(var t,e=this.length>=e.length?(t=this,e):(t=e,this),n=t.clone(),o=0,i=e.toArray();o<i.length;o++)n.add(i[o]);return n},lunr.SortedSet.prototype.toJSON=function(){return this.toArray()},t=this,e=function(){return m},"function"==typeof define&&define.amd?define(e):"object"==typeof exports?module.exports=m:t.elasticlunr=m}(),window.onload=function(){document.body.contains(document.goSearch)&&(document.goSearch.onsubmit=function(){return goSearchNow()}),document.body.contains(document.closeSearch)&&(document.closeSearch.onsubmit=function(){closeSearchNow()})};var suggestions=document.getElementById("suggestions"),userinput=document.getElementById("userinput");function inputFocus(e){191===e.keyCode&&"INPUT"!==document.activeElement.tagName&&"TEXTAREA"!==document.activeElement.tagName&&(e.preventDefault(),userinput.focus()),27===e.keyCode&&(userinput.blur(),suggestions.classList.add("d-none"))}function suggestionFocus(t){const n=suggestions.querySelectorAll("a");if(!suggestions.classList.contains("d-none")&&0!==n.length){const i=[...n];var o=i.indexOf(document.activeElement);let e=0;38===t.keyCode?(t.preventDefault(),e=0<o?o-1:0,n[e].focus()):40===t.keyCode&&(t.preventDefault(),e=o+1<i.length?o+1:o,n[e].focus())}}function substringByByte(e,t){for(var n="",o=!1,i=0,r=0,s=0,u=0;u<e.length;u++){var a=e.codePointAt(u).toString(16);if(o=4<a.length&&++u+1<e.length?"200d"==e.codePointAt(u+1).toString(16):o){if(i+=getByteByHex(a),u==e.length-1){if(!((r+=i)<=t))break;n+=e.substr(s,u-s+1)}}else if(0!=i){if(!((r=(r+=i)+getByteByHex(a))<=t))break;n+=e.substr(s,u-s+1),s=u+1,i=0}else{if(!((r+=getByteByHex(a))<=t))break;a.length<=4?n+=e[u]:n+=e[u-1]+e[u],s=u+1}}return n}function getByteByBinary(e){return[0,1,2,3,4][Math.ceil(e.length/8)]}function getByteByHex(e){return getByteByBinary(parseInt(e,16).toString(2))}document.addEventListener("keydown",inputFocus),document.addEventListener("click",function(e){suggestions.contains(e.target)||suggestions.classList.add("d-none")}),document.addEventListener("keydown",suggestionFocus),function(){var u=elasticlunr.Index.load(window.searchIndex);userinput.addEventListener("input",function(){var n,e=this.value.trim(),o=u.search(e,{bool:"OR",fields:{title:{boost:2},body:{boost:1}}}),i=suggestions.childNodes,r=o.length,s=e.split(/\s+/);suggestions.classList.remove("d-none"),o.forEach(function(e){""!==e.doc.body&&((n=document.createElement("div")).innerHTML="<a href><span></span><span></span></a>",a=n.querySelector("a"),t=n.querySelector("span:first-child"),d=n.querySelector("span:nth-child(2)"),a.href=e.ref,t.textContent=e.doc.title,d.innerHTML=function(e,t){var n=t.map(function(e){return elasticlunr.stemmer(e.toLowerCase())}),o=!1,i=0,r=[],s=e.toLowerCase().split(". ");for(p in s){var u,a=s[p].split(/[\s\n]/),c=8;for(u in a){if(0<(x=a[u]).length){for(var l in n)elasticlunr.stemmer(x).startsWith(n[l])&&(c=40,o=!0);r.push([x,c,i]),c=2}i=i+x.length+1}i+=1}if(0===r.length)return void 0!==e.length&&300<e.length?e.substring(0,300)+"...":e;for(var d=[],h=Math.min(r.length,30),f=0,p=0;p<h;p++)f+=r[p][1];d.push(f);for(p=0;p<r.length-h;p++)f=(f-=r[p][1])+r[p+h][1],d.push(f);var g=0;if(o)for(var m=0,p=d.length-1;0<=p;p--)d[p]>m&&(m=d[p],g=p);for(var y=[],v=r[g][2],p=g;p<g+h;p++){var S,x=r[p];v<x[2]&&(y.push(e.substring(v,x[2])),v=x[2]),40===x[1]&&y.push("<b>"),v=x[2]+x[0].length;40!==x[1]&&12<=x[0].length&&!/^[\x00-\xff]+$/.test(x[0])?(S=substringByByte(e.substring(x[2],v),12),y.push(S)):y.push(e.substring(x[2],v)),40===x[1]&&y.push("</b>")}return y.push("…"),y.join("")}(e.doc.body,s),suggestions.appendChild(n))});for(;i.length>r;)suggestions.removeChild(i[0])},!0),suggestions.addEventListener("click",function(){for(;suggestions.lastChild;)suggestions.removeChild(suggestions.lastChild);return!1},!0)}();
\ No newline at end of file
diff --git a/static/codecopy.js b/static/codecopy.js
new file mode 100644
index 0000000..7163cdb
--- /dev/null
+++ b/static/codecopy.js
@@ -0,0 +1,64 @@
+// https://aaronluna.dev/blog/add-copy-button-to-code-blocks-hugo-chroma/
+
+// create copy button
+function ccb(highlightDiv) {
+  const button = document.createElement("button");
+  button.className = "cc ";
+  button.type = "button";
+  button.innerHTML = "Copy";
+  button.addEventListener("click", () =>
+    ccc(button, highlightDiv)
+  );
+
+  // addCopyButtonToDom
+  const wrapper = document.createElement("div");
+  wrapper.className = "ccw";
+  wrapper.appendChild(button);
+  highlightDiv.parentNode.insertBefore(wrapper, highlightDiv);
+  wrapper.appendChild(highlightDiv);
+}
+
+// copy code clipboard
+async function ccc(button, highlightDiv) {
+  const codeToCopy = highlightDiv.querySelector(":last-child > code")
+    .innerText;
+  try {
+    result = await navigator.permissions.query({ name: "clipboard-write" });
+    if (result.state == "granted" || result.state == "prompt") {
+      await navigator.clipboard.writeText(codeToCopy);
+    } else {
+      cce(codeToCopy, highlightDiv);//copyCodeBlockExecCommand
+    }
+  } catch (_) {
+    cce(codeToCopy, highlightDiv);//copyCodeBlockExecCommand
+  } finally {
+    //codeWasCopied
+    button.blur();
+    button.innerHTML = "Copied";
+    setTimeout(function () {
+      button.innerHTML = "Copy";
+    }, 2000);
+  }
+}
+
+//copyCodeBlockExecCommand
+function cce(codeToCopy, highlightDiv) {
+  const textArea = document.createElement("textArea");
+  textArea.contentEditable = "true";
+  textArea.readOnly = "false";
+  textArea.className = "copyable-text-area";
+  textArea.value = codeToCopy;
+  highlightDiv.insertBefore(textArea, highlightDiv.firstChild);
+  const range = document.createRange();
+  range.selectNodeContents(textArea);
+  const sel = window.getSelection();
+  sel.removeAllRanges();
+  sel.addRange(range);
+  textArea.setSelectionRange(0, 999999);
+  document.execCommand("copy");
+  highlightDiv.removeChild(textArea);
+}
+
+document
+  .querySelectorAll("pre")
+  .forEach((highlightDiv) => ccb(highlightDiv));
diff --git a/templates/macros/head.html b/templates/macros/head.html
index e0fb499..b942f3e 100644
--- a/templates/macros/head.html
+++ b/templates/macros/head.html
@@ -1,7 +1,7 @@
 {%- macro theme() %}
   {%- if config.extra.js_theme %}
   {%- if config.extra.js_themeButton or config.extra.js_bundle %}
-  <script src="{{ get_url(path=config.extra.js_theme, trailing_slash=false) | safe }}" integrity="sha384-{{ get_file_hash(path=config.extra.js_theme, sha_type=384, base64=true) | safe }}"></script>
+  <script src="{{ get_url(path=config.extra.js_theme, trailing_slash=false) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_theme, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
   {%- endif %}
 {%- endmacro %}
@@ -31,9 +31,9 @@
 {%- if config.extra.math or page.extra.math %}
 
   {%- if config.extra.katex_css %}{%- if config.extra.katex_css is matching("^http[s]?://") %}
-  <link rel="preload" as="style" class="preStyle" href="{{ config.extra.katex_css | safe }}" integrity="sha384-ZPe7yZ91iWxYumsBEOn7ieg8q/o+qh/hQpSaPow8T6BwALcXSCS6C6fSRPIAnTQs" crossorigin="anonymous" />
+  <link rel="preload" as="style" class="preStyle" href="{{ config.extra.katex_css | safe }}"{%- if config.extra.integrity %} integrity="sha384-ZPe7yZ91iWxYumsBEOn7ieg8q/o+qh/hQpSaPow8T6BwALcXSCS6C6fSRPIAnTQs"{%- endif %} crossorigin="anonymous" />
   {%- else %}
-  <link rel="preload" as="style" class="preStyle" href="{{ get_url(path=config.extra.katex_css, trailing_slash=false) }}" integrity="sha384-{{ get_file_hash(path=config.extra.katex_css, sha_type=384, base64=true) | safe }}" />
+  <link rel="preload" as="style" class="preStyle" href="{{ get_url(path=config.extra.katex_css, trailing_slash=false) }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.katex_css, sha_type=384, base64=true) | safe }}"{%- endif %} />
   {%- endif %}{%- endif %}
 
 {%- endif %}
@@ -73,11 +73,11 @@
 {%- if config.build_search_index and config.extra.js_bundle %}
 
   {%- if config.extra.js_search_index %}
-  <script defer src="{{ get_url(path=config.extra.js_search_index, trailing_slash=false, cachebust=true) | safe }}" integrity="sha384-{{ get_file_hash(path=config.extra.js_search_index, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.js_search_index, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_search_index, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
 
   {%- if config.extra.js_bundle %}
-  <script defer src="{{ get_url(path=config.extra.js_bundle, trailing_slash=false, cachebust=true) | safe }}" integrity="sha384-{{ get_file_hash(path=config.extra.js_bundle, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.js_bundle, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_bundle, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
 
 {%- elif config.build_search_index %}
@@ -86,28 +86,32 @@
 
   {%- if preStyle == true %}
   {%- if config.extra.js_prestyle %}
-  <script defer src="{{ get_url(path=config.extra.js_prestyle, trailing_slash=false, cachebust=true) | safe }}" integrity="sha384-{{ get_file_hash(path=config.extra.js_prestyle, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.js_prestyle, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_prestyle, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
   {%- endif %}
 
+  {%- if config.extra.js_codecopy %}
+  <script defer src="{{ get_url(path=config.extra.js_codecopy, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_codecopy, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
+  {%- endif %}
+
   {%- if config.extra.js_theme %}
   {%- if config.extra.js_themeButton %}
-  <script defer src="{{ get_url(path=config.extra.js_themeButton, trailing_slash=false) | safe }}" integrity="sha384-{{ get_file_hash(path=config.extra.js_themeButton, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.js_themeButton, trailing_slash=false) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_themeButton, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
   {%- endif %}
 
   {%- if config.extra.js_search_index %}
-  <script defer src="{{ get_url(path=config.extra.js_search_index, trailing_slash=false, cachebust=true) | safe }}" integrity="sha384-{{ get_file_hash(path=config.extra.js_search_index, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.js_search_index, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_search_index, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
   {%- if config.extra.js_search %}{%- for i in config.extra.js_search %}
-  <script defer src="{{ get_url(path=i, trailing_slash=false, cachebust=true) | safe }}" integrity="sha384-{{ get_file_hash(path=i, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=i, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=i, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endfor %}{%- endif %}
 
 {%- elif config.extra.js_bundle %}
 
   {#- no search #}
 
-  <script defer src="{{ get_url(path=config.extra.js_bundle, trailing_slash=false, cachebust=true) | safe }}" integrity="sha384-{{ get_file_hash(path=config.extra.js_bundle, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.js_bundle, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_bundle, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
 
 {%- else %}
 
@@ -115,13 +119,17 @@
 
   {%- if preStyle == true %}
   {%- if config.extra.js_prestyle %}
-  <script defer src="{{ get_url(path=config.extra.js_prestyle, trailing_slash=false, cachebust=true) | safe }}" integrity="sha384-{{ get_file_hash(path=config.extra.js_prestyle, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.js_prestyle, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_prestyle, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
   {%- endif %}
 
+  {%- if config.extra.js_codecopy %}
+  <script defer src="{{ get_url(path=config.extra.js_codecopy, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_codecopy, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
+  {%- endif %}
+
   {%- if config.extra.js_theme %}
   {%- if config.extra.js_themeButton or config.extra.js_bundle %}
-  <script defer src="{{ get_url(path=config.extra.js_themeButton, trailing_slash=false) | safe }}" integrity="sha384-{{ get_file_hash(path=config.extra.js_themeButton, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.js_themeButton, trailing_slash=false) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_themeButton, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
   {%- endif %}
 
@@ -135,30 +143,30 @@
 {%- if config.extra.math or page.extra.math %}
 
 {%- if config.extra.katex_bundle %}
-  <script defer src="{{ get_url(path=config.extra.katex_bundle, trailing_slash=false, cachebust=true) }}" integrity="sha384-{{ get_file_hash(path=config.extra.katex_bundle, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.katex_bundle, trailing_slash=false, cachebust=true) }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.katex_bundle, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
 {%- else %}
 
   {%- if config.extra.katex_js %}{%- if config.extra.katex_js is matching("^http[s]?://") %}
-  <script defer src="{{ config.extra.katex_js | safe }}" integrity="sha384-ljao5I1l+8KYFXG7LNEA7DyaFvuvSCmedUf6Y6JI7LJqiu8q5dEivP2nDdFH31V4" crossorigin="anonymous"></script>
+  <script defer src="{{ config.extra.katex_js | safe }}"{%- if config.extra.integrity %} integrity="sha384-ljao5I1l+8KYFXG7LNEA7DyaFvuvSCmedUf6Y6JI7LJqiu8q5dEivP2nDdFH31V4"{%- endif %} crossorigin="anonymous"></script>
   {%- else %}
-  <script defer src="{{ get_url(path=config.extra.katex_js, trailing_slash=false, cachebust=true) }}" integrity="sha384-{{ get_file_hash(path=config.extra.katex_js, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.katex_js, trailing_slash=false, cachebust=true) }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.katex_js, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}{%- endif %}
 
   {%- if config.extra.mathtex_js %}{%- if config.extra.mathtex_js is matching("^http[s]?://") %}
-  <script defer src="{{ config.extra.mathtex_js | safe }}" integrity="sha384-jiBVvJ8NGGj5n7kJaiWwWp9AjC+Yh8rhZY3GtAX8yU28azcLgoRo4oukO87g7zDT" crossorigin="anonymous"></script>
+  <script defer src="{{ config.extra.mathtex_js | safe }}"{%- if config.extra.integrity %} integrity="sha384-jiBVvJ8NGGj5n7kJaiWwWp9AjC+Yh8rhZY3GtAX8yU28azcLgoRo4oukO87g7zDT"{%- endif %} crossorigin="anonymous"></script>
   {%- else %}
-  <script defer src="{{ get_url(path=config.extra.mathtex_js, trailing_slash=false, cachebust=true) }}" integrity="sha384-{{ get_file_hash(path=config.extra.mathtex_js, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.mathtex_js, trailing_slash=false, cachebust=true) }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.mathtex_js, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}{%- endif %}
 
  {%- if config.extra.math_auto_render or page.extra.math_auto_render %}
   {%- if config.extra.katex_autorender_js %}
   {%- if config.extra.katex_autorender_js is matching("^http[s]?://") %}
-  <script defer src="{{ config.extra.katex_autorender_js | safe }}" integrity="sha384-+XBljXPPiv+OzfbB3cVmLHf4hdUFHlWNZN5spNQ7rmHTXpd7WvJum6fIACpNNfIR" crossorigin="anonymous"></script>
+  <script defer src="{{ config.extra.katex_autorender_js | safe }}"{%- if config.extra.integrity %} integrity="sha384-+XBljXPPiv+OzfbB3cVmLHf4hdUFHlWNZN5spNQ7rmHTXpd7WvJum6fIACpNNfIR"{%- endif %} crossorigin="anonymous"></script>
   {%- else %}
-  <script defer src="{{ get_url(path=config.extra.katex_autorender_js, trailing_slash=false, cachebust=true) }}" integrity="sha384-{{ get_file_hash(path=config.extra.katex_autorender_js, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.katex_autorender_js, trailing_slash=false, cachebust=true) }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.katex_autorender_js, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
   {%- endif %}
-  <script defer src="{{ get_url(path=config.extra.katex_options, trailing_slash=false, cachebust=true) }}" integrity="sha384-{{ get_file_hash(path=config.extra.katex_options, sha_type=384, base64=true) | safe }}"></script>
+  <script defer src="{{ get_url(path=config.extra.katex_options, trailing_slash=false, cachebust=true) }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.katex_options, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
  {%- endif %}
 {%- endif %}
 
diff --git a/templates/macros/macros.html b/templates/macros/macros.html
index 6d86916..072a9d9 100644
--- a/templates/macros/macros.html
+++ b/templates/macros/macros.html
@@ -19,7 +19,7 @@
           {#- divider #}
           {%- if config.extra.meta_post.author %}
           {%- if config.extra.meta_post.readtime or config.extra.meta_post.date or config.extra.meta_post.categories_tags %}
-          {%- if config.extra.meta_post.divider %}<span class="hpad">{{ config.extra.meta_post.divider | safe }}</span>{%- else %} {%- endif %}
+          {%- if config.extra.meta_post.divider %}<span class="hpad">{{ config.extra.meta_post.divider | safe }}</span>{%- else %} &nbsp; {%- endif %}
           {%- endif %}
           {%- endif %}
 
@@ -27,13 +27,13 @@
           {%- if config.extra.meta_post.readtime %} {%- if config.extra.icon_read %}<i class="{{ config.extra.icon_read }}"></i> {% endif %} {{ page.reading_time }} {{ config.extra.meta_post.readstring | default(value="min") }}
           {#- divider #}
           {%- if config.extra.meta_post.date or config.extra.meta_post.categories_tags %}
-          {%- if config.extra.meta_post.divider %}<span class="hpad">{{ config.extra.meta_post.divider | safe }}</span>{%- else %} {%- endif %}{%- endif %}{%- endif %}
+          {%- if config.extra.meta_post.divider %}<span class="hpad">{{ config.extra.meta_post.divider | safe }}</span>{%- else %} &nbsp; {%- endif %}{%- endif %}{%- endif %}
 
         {#- Date #}
           {%- if config.extra.meta_post.date %} {%- if config.extra.icon_date %}<i class="{{ config.extra.icon_date }}"></i> {% endif %} {{ page.date | date(format="%B %d, %Y") }}
           {#- divider #}
           {%- if config.extra.meta_post.categories_tags %}
-          {%- if config.extra.meta_post.divider %}<span class="hpad">{{ config.extra.meta_post.divider | safe }}</span>{%- else %} {%- endif %}{%- endif %}{% endif %}
+          {%- if config.extra.meta_post.divider %}<span class="hpad">{{ config.extra.meta_post.divider | safe }}</span>{%- else %} &nbsp; {%- endif %}{%- endif %}{% endif %}
 
         {#- Categories #}
           {%- if page.taxonomies.categories %} {%- if config.extra.icon_info %}<i class="{{ config.extra.icon_info }}"></i> {% endif %} [{% for cat in page.taxonomies.categories %}<a href="{{ get_taxonomy_url(kind='categories', name=cat) | safe }}{%- if config.extra.uglyurls %}index.html{%- endif %}">{{ cat }}</a>{% endfor %}]{% endif %}
@@ -64,7 +64,7 @@
           {#- divider #}
           {%- if config.extra.meta_index.author %}
           {%- if config.extra.meta_index.readtime or config.extra.meta_index.date or config.extra.meta_index.categories_tags %}
-          {%- if config.extra.meta_index.divider %}<span class="hpad">{{ config.extra.meta_index.divider | safe }}</span>{%- else %} {%- endif %}
+          {%- if config.extra.meta_index.divider %}<span class="hpad">{{ config.extra.meta_index.divider | safe }}</span>{%- else %} &nbsp; {%- endif %}
           {%- endif %}
           {%- endif %}
 
@@ -72,13 +72,13 @@
           {%- if config.extra.meta_index.readtime %} {%- if config.extra.icon_read %}<i class="{{ config.extra.icon_read }}"></i> {% endif %} {{ page.reading_time }} {{ config.extra.meta_index.readstring | default(value="min") }}
           {#- divider #}
           {%- if config.extra.meta_index.date or config.extra.meta_index.categories_tags %}
-          {%- if config.extra.meta_index.divider %}<span class="hpad">{{ config.extra.meta_index.divider | safe }}</span>{%- else %} {%- endif %}{%- endif %}{%- endif %}
+          {%- if config.extra.meta_index.divider %}<span class="hpad">{{ config.extra.meta_index.divider | safe }}</span>{%- else %} &nbsp; {%- endif %}{%- endif %}{%- endif %}
 
         {#- Date #}
           {%- if config.extra.meta_index.date %} {%- if config.extra.icon_date %}<i class="{{ config.extra.icon_date }}"></i> {% endif %} {{ page.date | date(format="%B %d, %Y") }}
           {#- divider #}
           {%- if config.extra.meta_index.categories_tags %}
-          {%- if config.extra.meta_index.divider %}<span class="hpad">{{ config.extra.meta_index.divider | safe }}</span>{%- else %} {%- endif %}{%- endif %}{% endif %}
+          {%- if config.extra.meta_index.divider %}<span class="hpad">{{ config.extra.meta_index.divider | safe }}</span>{%- else %} &nbsp; {%- endif %}{%- endif %}{% endif %}
 
         {#- Categories #}
           {%- if page.taxonomies.categories %} {%- if config.extra.icon_info %}<i class="{{ config.extra.icon_info }}"></i> {% endif %} [{% for cat in page.taxonomies.categories %}<a href="{{ get_taxonomy_url(kind='categories', name=cat) | safe }}{%- if config.extra.uglyurls %}index.html{%- endif %}">{{ cat }}</a>{% endfor %}]{% endif %}