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fix(core): keep backward compatibility in deepCopy by calling toJSON on objects that have it

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Csaba Tuncsik 2022-11-02 15:45:26 +01:00
parent 19b8139264
commit e237dab3ed
1 changed files with 19 additions and 15 deletions
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34
packages/workflow/src/utils.ts
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@ -1,37 +1,41 @@
/* eslint-disable @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-return */
type Serializable = { toJSON?: () => string };
export const deepCopy = <T>(source: T, hash = new WeakMap(), path = ''): T => {
/* 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 */
type Primitives = string | number | boolean | bigint | symbol | null | undefined;
export const deepCopy = <T extends ((object | Date) & { toJSON?: () => string }) | Primitives>(
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) {
if (typeof source !== 'object' || source === null || typeof source === 'function') {
return source;
}
// Date and other Serializable objects
const toJSON = (source as Serializable).toJSON;
if (typeof toJSON === 'function') {
// eslint-disable-next-line @typescript-eslint/no-unsafe-call
return toJSON.call(source) as T;
// TODO: remove this when other code parts not expecting objects with `.toJSON` method called
if (typeof source.toJSON === 'function') {
return source.toJSON() as T;
}
// Break any cyclic dependencies
if (hash.has(source)) {
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 (let i = 0; i < len; i++) {
clone[i] = deepCopy(source[i], hash, path + `[${i}]`);
for (i = 0; i < len; i++) {
clone[i] = deepCopy(source[i], hash, path + `[${i as string}]`);
}
return clone;
}
// Object
clone = {};
hash.set(source, clone);
for (const i in source) {
for (i in source) {
if (hasOwnProp(i)) {
clone[i] = deepCopy((source as any)[i], hash, path + `.${i as string}`);
}