12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970
// Copyright 2020-2020 The Mandarine.TS Framework authors. All rights reserved. MIT license.
import type { Mandarine } from "../Mandarine.ns.ts";import { CommonUtils } from "./commonUtils.ts";
export class JsonUtils {
    public static toJson(json: string, options: { isFile: boolean, allowEnvironmentalReferences: boolean, handleException?: ((ex: any) => any) | undefined } = { isFile: false, allowEnvironmentalReferences: true, handleException: undefined }) {        try {            if(options.isFile) json = CommonUtils.readFile(json);            if(!json) throw new Error("Json could not be parsed because it was either invalid or the referential file does not exist.");            if(options.allowEnvironmentalReferences) json = CommonUtils.processVariableReferencesForEnvironmental(json);
            return JSON.parse(json, (key, value) => CommonUtils.parseToKnownType(value));        }catch(ex){            if(options.handleException) {                return options.handleException(ex);            } else {                throw ex;            }        }    }
    private static constructWalkJsonResponse(path: string, originalJson: string): Mandarine.Miscellaneous.WalkJson {        let valueFromPath = JsonUtils.getValueFromObjectByDots(originalJson, path);        let typeofValue = (valueFromPath === (undefined || null)) ? undefined : typeof(valueFromPath);        const isArray = Array.isArray(valueFromPath);        return {            path: path,            typeof: <string> ((isArray) ? 'array' : typeofValue),            isArray: isArray,            isPlainObject: CommonUtils.isObject(valueFromPath)        };    }
    public static getValueFromObjectByDots(object: any, keys: string): any {        return keys?.split('.').reduce((o, k) => (o || {})[k], object || {});    }
    public static walkJson(json: string, originalJson: string | undefined = undefined, parent: string | undefined = undefined): Array<Mandarine.Miscellaneous.WalkJson> {         if(!originalJson) originalJson = json;        let returnValue: Array<Mandarine.Miscellaneous.WalkJson> = new Array<Mandarine.Miscellaneous.WalkJson>();        Object.keys(json).forEach((key: any) => {            if(CommonUtils.isObject(json[key])) {                parent = !parent ? key : `${parent}.${key}`;                returnValue = returnValue.concat([JsonUtils.constructWalkJsonResponse(<string> parent, <string> originalJson)]);                returnValue = returnValue.concat(JsonUtils.walkJson(json[key], originalJson, parent));            } else {                let path = (parent !== undefined) ? `${parent}.${key}` : key;                returnValue.push(JsonUtils.constructWalkJsonResponse(path, <string> originalJson));            }        });        return returnValue;    }
    public static processJson(json: any, processor: (value: any) => void, originalJson: string | undefined = undefined, parent: string | undefined = undefined): any {        if(!originalJson) originalJson = json;        let returnValue: any = {};        Object.keys(json).forEach((key) => {            if(CommonUtils.isObject(json[key])) {                parent = !parent ? key : `${parent}.${key}`;                returnValue = returnValue.concat([JsonUtils.constructWalkJsonResponse(parent, <string> originalJson)]);                returnValue = returnValue.concat(JsonUtils.walkJson(json[key], originalJson, parent));            } else {                let path = (parent !== undefined) ? `${parent}.${key}` : key;                returnValue.push(JsonUtils.constructWalkJsonResponse(path, <string> originalJson));            }        });    }}