@fivetrandevelopers/zetasql/lib/LanguageOptions.js

ZetaSQL gRPC server and client

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.LanguageOptions = void 0;
const ZetaSQLClient_1 = require("./ZetaSQLClient");
class LanguageOptions {
    constructor() {
        this.options = {};
    }
    static async getMaxFeatures() {
        if (!LanguageOptions.maxFeatures) {
            const request = {
                maximumFeatures: true,
            };
            LanguageOptions.maxFeatures = await ZetaSQLClient_1.ZetaSQLClient.getInstance().getLanguageOptions(request);
        }
        return LanguageOptions.maxFeatures;
    }
    async setLanguageVersion(version) {
        this.setEnabledLanguageFeatures(await LanguageOptions.getLanguageFeaturesForVersion(version));
    }
    static async getLanguageFeaturesForVersion(languageVersion) {
        const features = new Set();
        (await ZetaSQLClient_1.ZetaSQLClient.getInstance().getLanguageOptions({ languageVersion }))?.enabledLanguageFeatures.forEach(f => features.add(f));
        return features;
    }
    async enableMaximumLanguageFeatures() {
        const features = new Set();
        (await LanguageOptions.getMaxFeatures())?.enabledLanguageFeatures.forEach(f => features.add(f));
        this.setEnabledLanguageFeatures(features);
        return this;
    }
    enableLanguageFeature(feature) {
        if (!this.options.enabledLanguageFeatures?.includes(feature)) {
            this.options.enabledLanguageFeatures?.push(feature);
        }
    }
    setEnabledLanguageFeatures(enabledLanguageFeatures) {
        this.options.enabledLanguageFeatures = [];
        enabledLanguageFeatures.forEach(f => {
            this.options.enabledLanguageFeatures?.push(f);
        });
    }
    serialize() {
        return this.options;
    }
}
exports.LanguageOptions = LanguageOptions;
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