ca60b0e203
* fix(core): updating deepCopy to avoid max callstack in case of circular dep * fix(core): show warning with path added to circular reference
58 lines
1.7 KiB
TypeScript
58 lines
1.7 KiB
TypeScript
/* eslint-disable @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-return, @typescript-eslint/no-unsafe-argument */
|
|
export const deepCopy = <T>(source: T, hash = new WeakMap(), path = ''): T => {
|
|
let clone: any;
|
|
let i: any;
|
|
const hasOwnProp = Object.prototype.hasOwnProperty.bind(source);
|
|
// Primitives & Null & Function
|
|
if (typeof source !== 'object' || source === null || source instanceof Function) {
|
|
return source;
|
|
}
|
|
if (hash.has(source)) {
|
|
console.warn(`Circular reference detected at "source${path}"`);
|
|
return hash.get(source);
|
|
}
|
|
// Date
|
|
if (source instanceof Date) {
|
|
return new Date(source.getTime()) as T;
|
|
}
|
|
// Array
|
|
if (Array.isArray(source)) {
|
|
clone = [];
|
|
const len = source.length;
|
|
for (i = 0; i < len; i++) {
|
|
clone[i] = deepCopy(source[i], hash, path + `[${i as string}]`);
|
|
}
|
|
return clone;
|
|
}
|
|
// Object
|
|
clone = {};
|
|
hash.set(source, clone);
|
|
for (i in source) {
|
|
if (hasOwnProp(i)) {
|
|
clone[i] = deepCopy((source as any)[i], hash, path + `.${i as string}`);
|
|
}
|
|
}
|
|
return clone;
|
|
};
|
|
// eslint-enable
|
|
|
|
type MutuallyExclusive<T, U> =
|
|
| (T & { [k in Exclude<keyof U, keyof T>]?: never })
|
|
| (U & { [k in Exclude<keyof T, keyof U>]?: never });
|
|
|
|
type JSONParseOptions<T> = MutuallyExclusive<{ errorMessage: string }, { fallbackValue: T }>;
|
|
|
|
export const jsonParse = <T>(jsonString: string, options?: JSONParseOptions<T>): T => {
|
|
try {
|
|
return JSON.parse(jsonString) as T;
|
|
} catch (error) {
|
|
if (options?.fallbackValue !== undefined) {
|
|
return options.fallbackValue;
|
|
} else if (options?.errorMessage) {
|
|
throw new Error(options.errorMessage);
|
|
}
|
|
|
|
throw error;
|
|
}
|
|
};
|