84 lines
2.5 KiB
TypeScript
84 lines
2.5 KiB
TypeScript
/**
|
|
* @author Martin Karkowski
|
|
* @email m.karkowski@zema.de
|
|
* @create date 2020-11-06 08:53:51
|
|
* @modify date 2020-11-06 08:53:51
|
|
* @desc [description]
|
|
*/
|
|
|
|
/**
|
|
* Function to stringify an Object. This Function will stringify Functions as well.
|
|
* @param obj The Object.
|
|
*/
|
|
export function stringifyWithFunctions(obj) {
|
|
return JSON.stringify(obj, (key, value) => {
|
|
if (typeof value === "function") {
|
|
|
|
let str: string = value.toString();
|
|
|
|
// Todo Parse Arrow-Functions Correctly!
|
|
// Details here: https://zendev.com/2018/10/01/javascript-arrow-functions-how-why-when.html
|
|
// Difference Cases For:
|
|
// 1) (a, b) => a + b;
|
|
// 2) array => array[0];
|
|
// 3) (a, b) => (a + b);
|
|
// 4) (name, description) => ({name: name, description: description})
|
|
// ....
|
|
|
|
if (!str.startsWith('function') && !str.startsWith('(')) {
|
|
const name = str.slice(0, str.indexOf('=>'));
|
|
const func = str.slice(str.indexOf('=>(') + 3, str.length - 2)
|
|
const adaptedFunc = 'function(' + name + '){ return ' + func + '; }';
|
|
str = adaptedFunc;
|
|
}
|
|
|
|
return "/Function(" + str + ")/";
|
|
}
|
|
return value;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Function to parse a JSON String, in which methods should be available.
|
|
* @param json A String containing the json Object
|
|
*/
|
|
export function parseWithFunctions(json: string) {
|
|
return JSON.parse(json, (key, value) => {
|
|
if (typeof value === "string" &&
|
|
value.startsWith("/Function(") &&
|
|
value.endsWith(")/")) {
|
|
const _value = value.substring(10, value.length - 2);
|
|
try {
|
|
return eval("(" + _value + ")");
|
|
} catch (e) {
|
|
console.log('FAILED PARSING', value, _value)
|
|
}
|
|
|
|
}
|
|
return value;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Function to stringify an Object. This Function is able to stringify Functions as well. Use the Flag withFunctions
|
|
* @param obj The Object.
|
|
* @param withFunctions Flag to Turn on / off the parsing of functions
|
|
*/
|
|
export function stringify(obj: any, withFunctions = false): string {
|
|
if (withFunctions) {
|
|
return stringifyWithFunctions(obj);
|
|
}
|
|
return JSON.stringify(obj);
|
|
}
|
|
|
|
/**
|
|
* Function to parse a JSON String. This Function is able to parse Functions as well. Use the Flag withFunctions
|
|
* @param json A String containing the json Object
|
|
* @param withFunctions Flag to Turn on / off the parsing of functions
|
|
*/
|
|
export function parse(json: string, withFunctions = false): any {
|
|
if (withFunctions) {
|
|
return parseWithFunctions(json);
|
|
}
|
|
return JSON.parse(json);
|
|
} |