Method addFeatures

src/core/kernel.js:284–294

(...featureClasses)

    }

    addFeatures(...featureClasses) {
        for (const FeatureClass of featureClasses) {
            if (!FeatureClass.keyword) {
                throw new Error(`Feature class ${FeatureClass.name} must have a static 'keyword' property`);
            }
            if (!FeatureClass.parse) {
                throw new Error(`Feature class ${FeatureClass.name} must have a static 'parse' method`);
            }
            this.addFeature(FeatureClass.keyword, FeatureClass.parse);
        }
    }

    addFeature(keyword, definition) {
        var featureGrammarType = keyword + "Feature";