@gent-js/gent/dist/src/json/stringifyJsonable.js

template-based data generator.

import { isReadonlyArray } from "../common/utils.js";
import { AbstractJsonable } from "./abstractJsonable.js";
export function stringifyJsonable(value, keyOrIndex, context) {
    const jsonValue = transformJsonableIntoJsonValue(value, keyOrIndex, context);
    if (jsonValue === undefined) {
        return "";
    }
    let jsonString;
    try {
        jsonString = JSON.stringify(jsonValue);
    }
    catch (error) {
        console.error(error);
        jsonString = undefined;
    }
    return jsonString;
}
export function transformJsonableIntoJsonValue(value, keyOrIndex, context) {
    if (value instanceof AbstractJsonable) {
        return value.toJSON(keyOrIndex, context);
    }
    else if (value === null ||
        typeof value === "boolean" ||
        typeof value === "number" ||
        typeof value === "string") {
        return value;
    }
    else if (isReadonlyArray(value)) {
        return value
            .map((item) => transformJsonableIntoJsonValue(item, keyOrIndex, context))
            .filter((jsonValue) => jsonValue !== undefined);
    }
    else {
        return transformJsonableObjectIntoJsonObject(value, keyOrIndex, context);
    }
}
export function transformJsonableObjectIntoJsonObject(jsonableObject, keyOrIndex, context) {
    let jsonObject = {};
    Object.keys(jsonableObject).forEach((memberKey) => {
        const memberValue = jsonableObject[memberKey];
        if (memberValue === undefined) {
            return;
        }
        const memberJsonValue = transformJsonableIntoJsonValue(memberValue, memberKey, context);
        if (memberJsonValue === undefined) {
            return;
        }
        jsonObject[memberKey] = memberJsonValue;
    });
    return jsonObject;
}