update packages and add valign

scripts/reveal.js/plugin/math/index.ts

@@ -0,0 +1,31 @@
+import type { RevealPlugin } from 'reveal.js';
+
+// @ts-expect-error The runtime implementation remains in JS during the migration.
+import MathImplementation from './plugin.js';
+
+export interface KaTeXPlugin extends RevealPlugin {
+	id: 'katex';
+}
+
+export interface MathJax2Plugin extends RevealPlugin {
+	id: 'mathjax2';
+}
+
+export interface MathJax3Plugin extends RevealPlugin {
+	id: 'mathjax3';
+}
+
+export interface MathJax4Plugin extends RevealPlugin {
+	id: 'mathjax4';
+}
+
+export interface MathPlugin extends MathJax2Plugin {
+	KaTeX: () => KaTeXPlugin;
+	MathJax2: () => MathJax2Plugin;
+	MathJax3: () => MathJax3Plugin;
+	MathJax4: () => MathJax4Plugin;
+}
+
+const Math = MathImplementation as MathPlugin;
+
+export default Math;

scripts/reveal.js/plugin/math/math.esm.js

@@ -1,6 +0,0 @@
-const t=()=>{let t,e={messageStyle:"none",tex2jax:{inlineMath:[["$","$"],["\\(","\\)"]],skipTags:["script","noscript","style","textarea","pre","code"]},skipStartupTypeset:!0};return{id:"mathjax2",init:function(a){t=a;let n=t.getConfig().mathjax2||t.getConfig().math||{},i={...e,...n},s=(i.mathjax||"https://cdn.jsdelivr.net/npm/mathjax@2/MathJax.js")+"?config="+(i.config||"TeX-AMS_HTML-full");i.tex2jax={...e.tex2jax,...n.tex2jax},i.mathjax=i.config=null,function(t,e){let a=document.querySelector("head"),n=document.createElement("script");n.type="text/javascript",n.src=t;let i=()=>{"function"==typeof e&&(e.call(),e=null)};n.onload=i,n.onreadystatechange=()=>{"loaded"===this.readyState&&i()},a.appendChild(n)}(s,(function(){MathJax.Hub.Config(i),MathJax.Hub.Queue(["Typeset",MathJax.Hub,t.getRevealElement()]),MathJax.Hub.Queue(t.layout),t.on("slidechanged",(function(t){MathJax.Hub.Queue(["Typeset",MathJax.Hub,t.currentSlide])}))}))}}},e=t;
-/*!
- * This plugin is a wrapper for the MathJax2,
- * MathJax3 and KaTeX typesetter plugins.
- */
-var a=Plugin=Object.assign(e(),{KaTeX:()=>{let t,e={version:"latest",delimiters:[{left:"$$",right:"$$",display:!0},{left:"$",right:"$",display:!1},{left:"\\(",right:"\\)",display:!1},{left:"\\[",right:"\\]",display:!0}],ignoredTags:["script","noscript","style","textarea","pre","code"]};const a=t=>new Promise(((e,a)=>{const n=document.createElement("script");n.type="text/javascript",n.onload=e,n.onerror=a,n.src=t,document.head.append(n)}));return{id:"katex",init:function(n){t=n;let i=t.getConfig().katex||{},s={...e,...i};const{local:o,version:l,extensions:r,...c}=s;let d=s.local||"https://cdn.jsdelivr.net/npm/katex",p=s.local?"":"@"+s.version,u=d+p+"/dist/katex.min.css",h=d+p+"/dist/contrib/mhchem.min.js",x=d+p+"/dist/contrib/auto-render.min.js",m=[d+p+"/dist/katex.min.js"];s.extensions&&s.extensions.includes("mhchem")&&m.push(h),m.push(x);const f=()=>{renderMathInElement(n.getSlidesElement(),c),t.layout()};(t=>{let e=document.createElement("link");e.rel="stylesheet",e.href=t,document.head.appendChild(e)})(u),async function(t){for(const e of t)await a(e)}(m).then((()=>{t.isReady()?f():t.on("ready",f.bind(this))}))}}},MathJax2:t,MathJax3:()=>{let t,e={tex:{inlineMath:[["$","$"],["\\(","\\)"]]},options:{skipHtmlTags:["script","noscript","style","textarea","pre","code"]},startup:{ready:()=>{MathJax.startup.defaultReady(),MathJax.startup.promise.then((()=>{t.layout()}))}}};return{id:"mathjax3",init:function(a){t=a;let n=t.getConfig().mathjax3||{},i={...e,...n};i.tex={...e.tex,...n.tex},i.options={...e.options,...n.options},i.startup={...e.startup,...n.startup};let s=i.mathjax||"https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js";i.mathjax=null,window.MathJax=i,function(t,e){let a=document.createElement("script");a.type="text/javascript",a.id="MathJax-script",a.src=t,a.async=!0,a.onload=()=>{"function"==typeof e&&(e.call(),e=null)},document.head.appendChild(a)}(s,(function(){t.addEventListener("slidechanged",(function(t){MathJax.typeset()}))}))}}}});export{a as default};

scripts/reveal.js/plugin/math/math.js

@@ -1 +0,0 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).RevealMath=e()}(this,(function(){"use strict";const t=()=>{let t,e={messageStyle:"none",tex2jax:{inlineMath:[["$","$"],["\\(","\\)"]],skipTags:["script","noscript","style","textarea","pre","code"]},skipStartupTypeset:!0};return{id:"mathjax2",init:function(n){t=n;let a=t.getConfig().mathjax2||t.getConfig().math||{},i={...e,...a},s=(i.mathjax||"https://cdn.jsdelivr.net/npm/mathjax@2/MathJax.js")+"?config="+(i.config||"TeX-AMS_HTML-full");i.tex2jax={...e.tex2jax,...a.tex2jax},i.mathjax=i.config=null,function(t,e){let n=document.querySelector("head"),a=document.createElement("script");a.type="text/javascript",a.src=t;let i=()=>{"function"==typeof e&&(e.call(),e=null)};a.onload=i,a.onreadystatechange=()=>{"loaded"===this.readyState&&i()},n.appendChild(a)}(s,(function(){MathJax.Hub.Config(i),MathJax.Hub.Queue(["Typeset",MathJax.Hub,t.getRevealElement()]),MathJax.Hub.Queue(t.layout),t.on("slidechanged",(function(t){MathJax.Hub.Queue(["Typeset",MathJax.Hub,t.currentSlide])}))}))}}},e=t;return Plugin=Object.assign(e(),{KaTeX:()=>{let t,e={version:"latest",delimiters:[{left:"$$",right:"$$",display:!0},{left:"$",right:"$",display:!1},{left:"\\(",right:"\\)",display:!1},{left:"\\[",right:"\\]",display:!0}],ignoredTags:["script","noscript","style","textarea","pre","code"]};const n=t=>new Promise(((e,n)=>{const a=document.createElement("script");a.type="text/javascript",a.onload=e,a.onerror=n,a.src=t,document.head.append(a)}));return{id:"katex",init:function(a){t=a;let i=t.getConfig().katex||{},s={...e,...i};const{local:o,version:l,extensions:c,...r}=s;let d=s.local||"https://cdn.jsdelivr.net/npm/katex",u=s.local?"":"@"+s.version,p=d+u+"/dist/katex.min.css",h=d+u+"/dist/contrib/mhchem.min.js",x=d+u+"/dist/contrib/auto-render.min.js",m=[d+u+"/dist/katex.min.js"];s.extensions&&s.extensions.includes("mhchem")&&m.push(h),m.push(x);const f=()=>{renderMathInElement(a.getSlidesElement(),r),t.layout()};(t=>{let e=document.createElement("link");e.rel="stylesheet",e.href=t,document.head.appendChild(e)})(p),async function(t){for(const e of t)await n(e)}(m).then((()=>{t.isReady()?f():t.on("ready",f.bind(this))}))}}},MathJax2:t,MathJax3:()=>{let t,e={tex:{inlineMath:[["$","$"],["\\(","\\)"]]},options:{skipHtmlTags:["script","noscript","style","textarea","pre","code"]},startup:{ready:()=>{MathJax.startup.defaultReady(),MathJax.startup.promise.then((()=>{t.layout()}))}}};return{id:"mathjax3",init:function(n){t=n;let a=t.getConfig().mathjax3||{},i={...e,...a};i.tex={...e.tex,...a.tex},i.options={...e.options,...a.options},i.startup={...e.startup,...a.startup};let s=i.mathjax||"https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js";i.mathjax=null,window.MathJax=i,function(t,e){let n=document.createElement("script");n.type="text/javascript",n.id="MathJax-script",n.src=t,n.async=!0,n.onload=()=>{"function"==typeof e&&(e.call(),e=null)},document.head.appendChild(n)}(s,(function(){t.addEventListener("slidechanged",(function(t){MathJax.typeset()}))}))}}}})}));

scripts/reveal.js/plugin/math/mathjax4.js

@@ -0,0 +1,81 @@
+/**
+ * A plugin which enables rendering of math equations inside
+ * of reveal.js slides. Essentially a thin wrapper for MathJax 4
+ *
+ * @author Hakim El Hattab
+ * @author Gerhard Burger
+ * @author Khris Griffis, Ph.D.
+ */
+export const MathJax4 = () => {
+
+    // The reveal.js instance this plugin is attached to
+    let deck;
+
+    let defaultOptions = {
+        tex: {
+            inlineMath: [ [ '$', '$' ], [ '\\(', '\\)' ]  ]
+        },
+        options: {
+            skipHtmlTags: [ 'script', 'noscript', 'style', 'textarea', 'pre', 'code' ]
+        },
+        startup: {
+            ready: () => {
+                MathJax.startup.defaultReady();
+                MathJax.startup.promise.then(() => {
+                    deck.layout();
+                });
+            }
+        }
+    };
+
+    function loadScript( url, callback ) {
+
+        let script = document.createElement( 'script' );
+        script.type = 'text/javascript';
+        script.id = 'MathJax-script';
+        script.src = url;
+        script.async = true;
+
+        // Wrapper for callback to make sure it only fires once
+        script.onload = () => {
+            if (typeof callback === 'function') {
+                callback.call();
+                callback = null;
+            }
+        };
+
+        document.head.appendChild( script );
+    }
+
+    return {
+        id: 'mathjax4',
+        init: function(reveal) {
+
+            deck = reveal;
+
+            let revealOptions = deck.getConfig().mathjax4 || {};
+            let options = { ...defaultOptions, ...revealOptions };
+            options.tex = { ...defaultOptions.tex, ...revealOptions.tex };
+            options.options = { ...defaultOptions.options, ...revealOptions.options };
+            options.startup = { ...defaultOptions.startup, ...revealOptions.startup };
+
+            let url = options.mathjax || 'https://cdn.jsdelivr.net/npm/mathjax@4/tex-mml-chtml.js';
+            options.mathjax = null;
+
+            window.MathJax = options;
+
+            loadScript(url, function() {
+                // MathJax 4.0.0 uses async startup, so we need to wait for it to be ready
+                MathJax.startup.promise.then(() => {
+                    // Initial typeset after startup
+                    MathJax.typeset();
+
+                    // Reprocess equations in slides when they turn visible
+                    deck.addEventListener('slidechanged', function(event) {
+                        MathJax.typeset();
+                    });
+                });
+            });
+        }
+    };
+};

scripts/reveal.js/plugin/math/plugin.js

@@ -1,15 +1,17 @@
 import {KaTeX} from "./katex";
 import {MathJax2} from "./mathjax2";
 import {MathJax3} from "./mathjax3";
+import {MathJax4} from "./mathjax4";
 
 const defaultTypesetter = MathJax2;
 
 /*!
  * This plugin is a wrapper for the MathJax2,
- * MathJax3 and KaTeX typesetter plugins.
+ * MathJax3, MathJax4 and KaTeX typesetter plugins.
  */
 export default Plugin = Object.assign( defaultTypesetter(), {
 	KaTeX,
 	MathJax2,
-	MathJax3
+	MathJax3,
+	MathJax4
 } );

scripts/reveal.js/plugin/math/vite.config.ts

@@ -0,0 +1,23 @@
+import { resolve } from 'path';
+import { defineConfig } from 'vite';
+import { appendExtension } from '../../vite.config.ts';
+import { createPluginDts } from '../vite-plugin-dts.ts';
+
+// Once Vite supports multiple entries for plugins, this build can
+// be merged into the main vite.config.ts.
+// See https://github.com/vitejs/vite/pull/10609
+
+export default defineConfig({
+  build: {
+    emptyOutDir: false,
+    lib: {
+      formats: ['es', 'umd'],
+      entry: {
+        'plugin/math': resolve(__dirname, 'index.ts'),
+      },
+      name: 'RevealMath',
+      fileName: appendExtension,
+    },
+  },
+  plugins: [createPluginDts('math')],
+});