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refactor: clone data only when needed

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arthurfiorette 2022-03-11 17:02:31 -03:00
parent 3a800d78ea
commit 09a69f8006
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1 changed files with 12 additions and 9 deletions
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21
src/storage/memory.ts
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@ -16,6 +16,8 @@ declare const structuredClone: (<T>(value: T) => T) | undefined;
*
* If you need to modify it's data, you can do by the `data` property.
*
* @param {boolean} cloneData if the data returned by `find()` should be cloned to avoid mutating the original data outside the `set()` method.
*
* @example
*
* ```js
@ -30,11 +32,12 @@ declare const structuredClone: (<T>(value: T) => T) | undefined;
* delete memoryStorage.data[id];
* ```
*/
export function buildMemoryStorage() {
export function buildMemoryStorage(cloneData = false) {
const storage = buildStorage({
set: (key, value) => {
storage.data[key] = value;
},
remove: (key) => {
delete storage.data[key];
},
@ -42,16 +45,16 @@ export function buildMemoryStorage() {
find: (key) => {
const value = storage.data[key];
if (value === undefined) {
return value;
if (cloneData && value !== undefined) {
/* istanbul ignore if 'only available on super recent browsers' */
if (typeof structuredClone === 'function') {
return structuredClone(value);
}
return JSON.parse(JSON.stringify(value)) as StorageValue;
}
/* istanbul ignore if 'only available on super recent browsers' */
if (typeof structuredClone === 'function') {
return structuredClone(value);
}
return JSON.parse(JSON.stringify(value)) as StorageValue;
return value;
}
}) as MemoryStorage;