add initial marp implementation with sample content and build configuration

node_modules/speech-rule-engine/mjs/enrich_mathml/case_binomial.js

@@ -0,0 +1,31 @@
+import * as DomUtil from '../common/dom_util.js';
+import { SemanticRole, SemanticType } from '../semantic_tree/semantic_meaning.js';
+import { AbstractEnrichCase } from './abstract_enrich_case.js';
+import { walkTree } from './enrich_mathml.js';
+import { addMrow, setAttributes, Attribute } from './enrich_attr.js';
+export class CaseBinomial extends AbstractEnrichCase {
+    static test(semantic) {
+        return (!semantic.mathmlTree &&
+            semantic.type === SemanticType.LINE &&
+            semantic.role === SemanticRole.BINOMIAL);
+    }
+    constructor(semantic) {
+        super(semantic);
+        this.mml = semantic.mathmlTree;
+    }
+    getMathml() {
+        if (!this.semantic.childNodes.length) {
+            return this.mml;
+        }
+        const child = this.semantic.childNodes[0];
+        this.mml = walkTree(child);
+        if (this.mml.hasAttribute(Attribute.TYPE)) {
+            const mrow = addMrow();
+            DomUtil.replaceNode(this.mml, mrow);
+            mrow.appendChild(this.mml);
+            this.mml = mrow;
+        }
+        setAttributes(this.mml, this.semantic);
+        return this.mml;
+    }
+}