stuff

node_modules/speech-rule-engine/mjs/speech_rules/unit_util.js

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+import { AuditoryDescription } from '../audio/auditory_description.js';
+import * as XpathUtil from '../common/xpath_util.js';
+import { LOCALE } from '../l10n/locale.js';
+import { SemanticType } from '../semantic_tree/semantic_meaning.js';
+export function unitMultipliers(nodes, _context) {
+    const children = nodes;
+    let counter = 0;
+    return function () {
+        const descr = AuditoryDescription.create({
+            text: rightMostUnit(children[counter]) &&
+                leftMostUnit(children[counter + 1])
+                ? LOCALE.MESSAGES.unitTimes
+                : ''
+        }, {});
+        counter++;
+        return [descr];
+    };
+}
+const SCRIPT_ELEMENTS = [
+    SemanticType.SUPERSCRIPT,
+    SemanticType.SUBSCRIPT,
+    SemanticType.OVERSCORE,
+    SemanticType.UNDERSCORE
+];
+function rightMostUnit(node) {
+    while (node) {
+        if (node.getAttribute('role') === 'unit') {
+            return true;
+        }
+        const tag = node.tagName;
+        const children = XpathUtil.evalXPath('children/*', node);
+        node = (SCRIPT_ELEMENTS.indexOf(tag) !== -1
+            ? children[0]
+            : children[children.length - 1]);
+    }
+    return false;
+}
+function leftMostUnit(node) {
+    while (node) {
+        if (node.getAttribute('role') === 'unit') {
+            return true;
+        }
+        const children = XpathUtil.evalXPath('children/*', node);
+        node = children[0];
+    }
+    return false;
+}
+export function oneLeft(node) {
+    while (node) {
+        if (node.tagName === 'number' && node.textContent === '1') {
+            return [node];
+        }
+        if (node.tagName !== 'infixop' ||
+            (node.getAttribute('role') !== 'multiplication' &&
+                node.getAttribute('role') !== 'implicit')) {
+            return [];
+        }
+        node = XpathUtil.evalXPath('children/*', node)[0];
+    }
+    return [];
+}