speech-rule-engine/js/enrich_mathml/enrich.js

A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.

import * as DomUtil from '../common/dom_util.js';
import { EnginePromise } from '../common/engine.js';
import * as Semantic from '../semantic_tree/semantic.js';
import * as EnrichMathml from './enrich_mathml.js';
import './enrich_case_factory.js';
export function semanticMathmlNode(mml, options) {
    const clone = DomUtil.cloneNode(mml);
    const tree = Semantic.getTree(clone, options);
    return EnrichMathml.enrich(clone, tree, options);
}
export function semanticMathmlSync(expr, options) {
    const mml = DomUtil.parseInput(expr);
    try {
        return semanticMathmlNode(mml, options);
    }
    catch (err) {
        console.error(err);
        return mml;
    }
}
export function semanticMathml(expr, options, callback) {
    EnginePromise.getall().then(() => {
        const mml = DomUtil.parseInput(expr);
        callback(semanticMathmlNode(mml, options));
    });
}
export function prepareMmlString(expr) {
    if (!expr.match(/^<math/)) {
        expr = '<math>' + expr;
    }
    if (!expr.match(/\/math>$/)) {
        expr += '</math>';
    }
    return expr;
}
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