From aae6fa040e785068c5f5434cba83393014e51be1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jure=20=C5=A0orn?= <sornjure@gmail.com>
Date: Fri, 12 Apr 2019 21:36:56 +0200
Subject: [PATCH] Added JS script that checks if Menlo font exists

---
 index.html                   |  2 ++
 web/jquery-3.4.0.slim.min.js |  2 ++
 web/script_2.js              | 55 ++++++++++++++++++++++++++++++++++++
 web/template.html            |  2 ++
 4 files changed, 61 insertions(+)
 create mode 100644 web/jquery-3.4.0.slim.min.js
 create mode 100644 web/script_2.js

diff --git a/index.html b/index.html
index f1a8b9a..1cf24b9 100644
--- a/index.html
+++ b/index.html
@@ -1757,5 +1757,7 @@ simpleaudio.play_buffer(frames_b, <span class="hljs-number">1</span>, <span clas
   <br>
   <br>
   <br>
+  <script src="web/jquery-3.4.0.slim.min.js"></script>
+  <script src="web/script_2.js"></script>
 </body>
 </html>
diff --git a/web/jquery-3.4.0.slim.min.js b/web/jquery-3.4.0.slim.min.js
new file mode 100644
index 0000000..6a597fc
--- /dev/null
+++ b/web/jquery-3.4.0.slim.min.js
@@ -0,0 +1,2 @@
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null!=t?t:st(E.text(e))}},select:{get:function(e){var t,n,r,i=e.options,o=e.selectedIndex,a="select-one"===e.type,s=a?null:[],u=a?o+1:i.length;for(r=o<0?u:a?o:0;r<u;r++)if(((n=i[r]).selected||r===o)&&!n.disabled&&(!n.parentNode.disabled||!S(n.parentNode,"optgroup"))){if(t=E(n).val(),a)return t;s.push(t)}return s},set:function(e,t){var n,r,i=e.options,o=E.makeArray(t),a=i.length;while(a--)((r=i[a]).selected=-1<E.inArray(E.valHooks.option.get(r),o))&&(n=!0);return n||(e.selectedIndex=-1),o}}}}),E.each(["radio","checkbox"],function(){E.valHooks[this]={set:function(e,t){if(Array.isArray(t))return e.checked=-1<E.inArray(E(e).val(),t)}},b.checkOn||(E.valHooks[this].get=function(e){return null===e.getAttribute("value")?"on":e.value})}),b.focusin="onfocusin"in g;var ft=/^(?:focusinfocus|focusoutblur)$/,dt=function(e){e.stopPropagation()};E.extend(E.event,{trigger:function(e,t,n,r){var i,o,a,s,u,l,c,f,d=[n||v],p=m.call(e,"type")?e.type:e,h=m.call(e,"namespace")?e.namespace.split("."):[];if(o=f=a=n=n||v,3!==n.nodeType&&8!==n.nodeType&&!ft.test(p+E.event.triggered)&&(-1<p.indexOf(".")&&(p=(h=p.split(".")).shift(),h.sort()),u=p.indexOf(":")<0&&"on"+p,(e=e[E.expando]?e:new E.Event(p,"object"==typeof e&&e)).isTrigger=r?2:3,e.namespace=h.join("."),e.rnamespace=e.namespace?new RegExp("(^|\\.)"+h.join("\\.(?:.*\\.|)")+"(\\.|$)"):null,e.result=void 0,e.target||(e.target=n),t=null==t?[e]:E.makeArray(t,[e]),c=E.event.special[p]||{},r||!c.trigger||!1!==c.trigger.apply(n,t))){if(!r&&!c.noBubble&&!w(n)){for(s=c.delegateType||p,ft.test(s+p)||(o=o.parentNode);o;o=o.parentNode)d.push(o),a=o;a===(n.ownerDocument||v)&&d.push(a.defaultView||a.parentWindow||g)}i=0;while((o=d[i++])&&!e.isPropagationStopped())f=o,e.type=1<i?s:c.bindType||p,(l=(G.get(o,"events")||{})[e.type]&&G.get(o,"handle"))&&l.apply(o,t),(l=u&&o[u])&&l.apply&&Q(o)&&(e.result=l.apply(o,t),!1===e.result&&e.preventDefault());return e.type=p,r||e.isDefaultPrevented()||c._default&&!1!==c._default.apply(d.pop(),t)||!Q(n)||u&&x(n[p])&&!w(n)&&((a=n[u])&&(n[u]=null),E.event.triggered=p,e.isPropagationStopped()&&f.addEventListener(p,dt),n[p](),e.isPropagationStopped()&&f.removeEventListener(p,dt),E.event.triggered=void 0,a&&(n[u]=a)),e.result}},simulate:function(e,t,n){var r=E.extend(new E.Event,n,{type:e,isSimulated:!0});E.event.trigger(r,null,t)}}),E.fn.extend({trigger:function(e,t){return this.each(function(){E.event.trigger(e,t,this)})},triggerHandler:function(e,t){var n=this[0];if(n)return E.event.trigger(e,t,n,!0)}}),b.focusin||E.each({focus:"focusin",blur:"focusout"},function(n,r){var i=function(e){E.event.simulate(r,e.target,E.event.fix(e))};E.event.special[r]={setup:function(){var e=this.ownerDocument||this,t=G.access(e,r);t||e.addEventListener(n,i,!0),G.access(e,r,(t||0)+1)},teardown:function(){var e=this.ownerDocument||this,t=G.access(e,r)-1;t?G.access(e,r,t):(e.removeEventListener(n,i,!0),G.remove(e,r))}}});var pt,ht=/\[\]$/,gt=/\r?\n/g,vt=/^(?:submit|button|image|reset|file)$/i,yt=/^(?:input|select|textarea|keygen)/i;function mt(n,e,r,i){var t;if(Array.isArray(e))E.each(e,function(e,t){r||ht.test(n)?i(n,t):mt(n+"["+("object"==typeof t&&null!=t?e:"")+"]",t,r,i)});else if(r||"object"!==T(e))i(n,e);else for(t in 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this[0]&&(x(e)&&(e=e.call(this[0])),t=E(e,this[0].ownerDocument).eq(0).clone(!0),this[0].parentNode&&t.insertBefore(this[0]),t.map(function(){var e=this;while(e.firstElementChild)e=e.firstElementChild;return e}).append(this)),this},wrapInner:function(n){return x(n)?this.each(function(e){E(this).wrapInner(n.call(this,e))}):this.each(function(){var e=E(this),t=e.contents();t.length?t.wrapAll(n):e.append(n)})},wrap:function(t){var n=x(t);return this.each(function(e){E(this).wrapAll(n?t.call(this,e):t)})},unwrap:function(e){return this.parent(e).not("body").each(function(){E(this).replaceWith(this.childNodes)}),this}}),E.expr.pseudos.hidden=function(e){return!E.expr.pseudos.visible(e)},E.expr.pseudos.visible=function(e){return!!(e.offsetWidth||e.offsetHeight||e.getClientRects().length)},b.createHTMLDocument=((pt=v.implementation.createHTMLDocument("").body).innerHTML="<form></form><form></form>",2===pt.childNodes.length),E.parseHTML=function(e,t,n){return"string"!=typeof e?[]:("boolean"==typeof t&&(n=t,t=!1),t||(b.createHTMLDocument?((r=(t=v.implementation.createHTMLDocument("")).createElement("base")).href=v.location.href,t.head.appendChild(r)):t=v),o=!n&&[],(i=D.exec(e))?[t.createElement(i[1])]:(i=xe([e],t,o),o&&o.length&&E(o).remove(),E.merge([],i.childNodes)));var r,i,o},E.offset={setOffset:function(e,t,n){var r,i,o,a,s,u,l=E.css(e,"position"),c=E(e),f={};"static"===l&&(e.style.position="relative"),s=c.offset(),o=E.css(e,"top"),u=E.css(e,"left"),("absolute"===l||"fixed"===l)&&-1<(o+u).indexOf("auto")?(a=(r=c.position()).top,i=r.left):(a=parseFloat(o)||0,i=parseFloat(u)||0),x(t)&&(t=t.call(e,n,E.extend({},s))),null!=t.top&&(f.top=t.top-s.top+a),null!=t.left&&(f.left=t.left-s.left+i),"using"in t?t.using.call(e,f):c.css(f)}},E.fn.extend({offset:function(t){if(arguments.length)return void 0===t?this:this.each(function(e){E.offset.setOffset(this,t,e)});var e,n,r=this[0];return r?r.getClientRects().length?(e=r.getBoundingClientRect(),n=r.ownerDocument.defaultView,{top:e.top+n.pageYOffset,left:e.left+n.pageXOffset}):{top:0,left:0}:void 0},position:function(){if(this[0]){var e,t,n,r=this[0],i={top:0,left:0};if("fixed"===E.css(r,"position"))t=r.getBoundingClientRect();else{t=this.offset(),n=r.ownerDocument,e=r.offsetParent||n.documentElement;while(e&&(e===n.body||e===n.documentElement)&&"static"===E.css(e,"position"))e=e.parentNode;e&&e!==r&&1===e.nodeType&&((i=E(e).offset()).top+=E.css(e,"borderTopWidth",!0),i.left+=E.css(e,"borderLeftWidth",!0))}return{top:t.top-i.top-E.css(r,"marginTop",!0),left:t.left-i.left-E.css(r,"marginLeft",!0)}}},offsetParent:function(){return this.map(function(){var e=this.offsetParent;while(e&&"static"===E.css(e,"position"))e=e.offsetParent;return e||ie})}}),E.each({scrollLeft:"pageXOffset",scrollTop:"pageYOffset"},function(t,i){var o="pageYOffset"===i;E.fn[t]=function(e){return z(this,function(e,t,n){var r;if(w(e)?r=e:9===e.nodeType&&(r=e.defaultView),void 0===n)return r?r[i]:e[t];r?r.scrollTo(o?r.pageXOffset:n,o?n:r.pageYOffset):e[t]=n},t,e,arguments.length)}}),E.each(["top","left"],function(e,n){E.cssHooks[n]=ze(b.pixelPosition,function(e,t){if(t)return t=Fe(e,n),Me.test(t)?E(e).position()[n]+"px":t})}),E.each({Height:"height",Width:"width"},function(a,s){E.each({padding:"inner"+a,content:s,"":"outer"+a},function(r,o){E.fn[o]=function(e,t){var n=arguments.length&&(r||"boolean"!=typeof e),i=r||(!0===e||!0===t?"margin":"border");return z(this,function(e,t,n){var r;return w(e)?0===o.indexOf("outer")?e["inner"+a]:e.document.documentElement["client"+a]:9===e.nodeType?(r=e.documentElement,Math.max(e.body["scroll"+a],r["scroll"+a],e.body["offset"+a],r["offset"+a],r["client"+a])):void 0===n?E.css(e,t,i):E.style(e,t,n,i)},s,n?e:void 0,n)}})}),E.each("blur focus focusin focusout resize scroll click dblclick mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave change select submit keydown keypress keyup contextmenu".split(" "),function(e,n){E.fn[n]=function(e,t){return 0<arguments.length?this.on(n,null,e,t):this.trigger(n)}}),E.fn.extend({hover:function(e,t){return this.mouseenter(e).mouseleave(t||e)}}),E.fn.extend({bind:function(e,t,n){return this.on(e,null,t,n)},unbind:function(e,t){return this.off(e,null,t)},delegate:function(e,t,n,r){return this.on(t,e,n,r)},undelegate:function(e,t,n){return 1===arguments.length?this.off(e,"**"):this.off(t,e||"**",n)}}),E.proxy=function(e,t){var n,r,i;if("string"==typeof t&&(n=e[t],t=e,e=n),x(e))return r=s.call(arguments,2),(i=function(){return e.apply(t||this,r.concat(s.call(arguments)))}).guid=e.guid=e.guid||E.guid++,i},E.holdReady=function(e){e?E.readyWait++:E.ready(!0)},E.isArray=Array.isArray,E.parseJSON=JSON.parse,E.nodeName=S,E.isFunction=x,E.isWindow=w,E.camelCase=X,E.type=T,E.now=Date.now,E.isNumeric=function(e){var t=E.type(e);return("number"===t||"string"===t)&&!isNaN(e-parseFloat(e))},"function"==typeof define&&define.amd&&define("jquery",[],function(){return E});var bt=g.jQuery,xt=g.$;return E.noConflict=function(e){return g.$===E&&(g.$=xt),e&&g.jQuery===E&&(g.jQuery=bt),E},e||(g.jQuery=g.$=E),E});
\ No newline at end of file
diff --git a/web/script_2.js b/web/script_2.js
new file mode 100644
index 0000000..f0b4175
--- /dev/null
+++ b/web/script_2.js
@@ -0,0 +1,55 @@
+const DIAGRAM_1_A = 
+  '+---------+-------------+\n' +
+  '| classes | metaclasses |\n' +
+  '+---------|-------------|\n' +
+  '| MyClass > MyMetaClass |\n' +
+  '|         |     v       |\n' +
+  '|  object ---> type <+  |\n' +
+  '|         |    ^ +---+  |\n' +
+  '|   str -------+        |\n' +
+  '+---------+-------------+\n';
+
+const DIAGRAM_1_B =
+  '┏━━━━━━━━━┯━━━━━━━━━━━━━┓\n' +
+  '┃ classes │ metaclasses ┃\n' +
+  '┠─────────┼─────────────┨\n' +
+  '┃ MyClass → MyMetaClass ┃\n' +
+  '┃         │     ↓       ┃\n' +
+  '┃  object ───→ type ←╮  ┃\n' +
+  '┃         │    ↑ ╰───╯  ┃\n' +
+  '┃   str ───────╯        ┃\n' +
+  '┗━━━━━━━━━┷━━━━━━━━━━━━━┛\n';
+
+const DIAGRAM_2_A =
+  '+---------+-------------+\n' +
+  '| classes | metaclasses |\n' +
+  '+---------|-------------|\n' +
+  '| MyClass | MyMetaClass |\n' +
+  '|    v    |     v       |\n' +
+  '|  object <--- type     |\n' +
+  '|    ^    |             |\n' +
+  '|   str   |             |\n' +
+  '+---------+-------------+\n';
+
+const DIAGRAM_2_B =
+  '┏━━━━━━━━━┯━━━━━━━━━━━━━┓\n' +
+  '┃ classes │ metaclasses ┃\n' +
+  '┠─────────┼─────────────┨\n' +
+  '┃ MyClass │ MyMetaClass ┃\n' +
+  '┃    ↓    │     ↓       ┃\n' +
+  '┃  object ←─── type     ┃\n' +
+  '┃    ↑    │             ┃\n' +
+  '┃   str   │             ┃\n' +
+  '┗━━━━━━━━━┷━━━━━━━━━━━━━┛\n';
+
+
+(function(d){function c(c){b.style.fontFamily=c;e.appendChild(b);f=b.clientWidth;e.removeChild(b);return f}var f,e=d.body,b=d.createElement("span");b.innerHTML=Array(100).join("wi");b.style.cssText=["position:absolute","width:auto","font-size:128px","left:-99999px"].join(" !important;");var g=c("monospace"),h=c("serif"),k=c("sans-serif");window.isFontAvailable=function(b){return g!==c(b+",monospace")||k!==c(b+",sans-serif")||h!==c(b+",serif")}})(document);
+
+if (!isFontAvailable('Menlo')) {
+    $(`code:contains(${DIAGRAM_1_B})`).html(DIAGRAM_1_A)
+    $(`code:contains(${DIAGRAM_2_B})`).html(DIAGRAM_2_A)
+}
+
+
+
+
diff --git a/web/template.html b/web/template.html
index c2215d5..c63f522 100644
--- a/web/template.html
+++ b/web/template.html
@@ -159,5 +159,7 @@ pre.prettyprint {
   <br>
   <br>
   <br>
+  <script src="web/jquery-3.4.0.slim.min.js"></script>
+  <script src="web/script_2.js"></script>
 </body>
 </html>