Merge pull request #2296 from Alex-Jordan/mathview

tailor AsciiMath better for MathObjects
openwebwork · Feb 7, 2024 · 54cad3d · 54cad3d
2 parents ce06f20 + 02b942f
commit 54cad3d
Showing 1 changed file with 33 additions and 5 deletions.
diff --git a/htdocs/js/MathJaxConfig/mathjax-config.js b/htdocs/js/MathJaxConfig/mathjax-config.js
@@ -6,12 +6,40 @@ if (!window.MathJax) {
 		loader: { load: ['input/asciimath', '[tex]/noerrors'] },
 		startup: {
 			ready: function() {
-				var AM = MathJax.InputJax.AsciiMath.AM;
-				for (var i = 0; i < AM.symbols.length; i++) {
-					if (AM.symbols[i].input == '**') {
-						AM.symbols[i] = { input: "**", tag: "msup", output: "^", tex: null, ttype: AM.TOKEN.INFIX };
-					}
+				const AM = MathJax.InputJax.AsciiMath.AM;
+				// modify existing AsciiMath triggers
+				let i = AM.names.indexOf('**');
+				AM.symbols[i] = { input: "**", tag: "msup", output: "^", tex: null, ttype: AM.TOKEN.INFIX };
+
+				i = AM.names.indexOf('infty');
+				AM.names[i] = 'infinity';
+				AM.symbols[i] = { input:"infinity", tag:"mo", output:"\u221E", tex:"infty", ttype:AM.TOKEN.CONST };
+
+				// add AsciiMath triggers for consistency with MathObjects
+				const newTriggers = {
+					inf:     {precedes:'infinity',   symbols:{tag:"mo",    output:"\u221E",          tex:"infty",    ttype:AM.TOKEN.CONST}},
+					Infinity:{precedes:'Lambda',     symbols:{tag:"mo",    output:"\u221E",          tex:"infty",    ttype:AM.TOKEN.CONST}},
+					Inf:     {precedes:'Infinity',   symbols:{tag:"mo",    output:"\u221E",          tex:"infty",    ttype:AM.TOKEN.CONST}},
+					INFINITY:{precedes:'Inf',        symbols:{tag:"mo",    output:"\u221E",          tex:"infty",    ttype:AM.TOKEN.CONST}},
+					INF:     {precedes:'INFINITY',   symbols:{tag:"mo",    output:"\u221E",          tex:"infty",    ttype:AM.TOKEN.CONST}},
+					none:    {precedes:'norm',       symbols:{tag:"mtext", output:"NONE",            tex:null,       ttype:AM.TOKEN.CONST}},
+					None:    {precedes:'O/',         symbols:{tag:"mtext", output:"NONE",            tex:null,       ttype:AM.TOKEN.CONST}},
+					NONE:    {precedes:'None',       symbols:{tag:"mtext", output:"NONE",            tex:null,       ttype:AM.TOKEN.CONST}},
+					dne:     {precedes:'dot',        symbols:{tag:"mtext", output:"DNE",             tex:null,       ttype:AM.TOKEN.CONST}},
+					Dne:     {precedes:'EE',         symbols:{tag:"mtext", output:"DNE",             tex:null,       ttype:AM.TOKEN.CONST}},
+					DNE:     {precedes:'Delta',      symbols:{tag:"mtext", output:"DNE",             tex:null,       ttype:AM.TOKEN.CONST}},
+					Re:      {precedes:'Rightarrow', symbols:{tag:"mi",    output:"Re",              tex:null,       ttype:AM.TOKEN.UNARY, func:true}},
+					Im:      {precedes:'Inf',        symbols:{tag:"mi",    output:"Im",              tex:null,       ttype:AM.TOKEN.UNARY, func:true}},
+					log10:   {precedes:'lt',         symbols:{tag:"mi",    output:"log\u2081\u2080", tex:"log_{10}", ttype:AM.TOKEN.UNARY, func:true}},
+					U:       {precedes:'Xi',         symbols:{tag:"mo",    output:"\u222A",          tex:"cup",      ttype:AM.TOKEN.CONST}},
+					'><':    {precedes:'><|',        symbols:{tag:"mo",    output:"\u00D7",          tex:"times",    ttype:AM.TOKEN.CONST}},
+				};
+				for (const trigger in newTriggers) {
+					const i = AM.names.indexOf(newTriggers[trigger].precedes);
+					AM.names.splice(i, 0, trigger);
+					AM.symbols.splice(i, 0, {input:trigger, ...newTriggers[trigger].symbols});
 				}
+
 				return MathJax.startup.defaultReady()
 			}
 		},