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fix(v2): Browser storage (localStorage) is unreliable: api should fail-safe (#6040)

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Sébastien Lorber 2021-12-02 19:33:03 +01:00 • committed by GitHub
parent 373eda272e
commit 95f911efef
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1 changed files with 26 additions and 3 deletions
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29
packages/docusaurus-theme-common/src/utils/storageUtils.ts
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@ -79,6 +79,10 @@ Please only call storage APIs in effects and event handlers.`);
/**
* Creates an object for accessing a particular key in localStorage.
* The API is fail-safe, and usage of browser storage should be considered unreliable
* Local storage might simply be unavailable (iframe + browser security) or operations might fail individually
* Please assume that using this API can be a NO-OP
* See also https://github.com/facebook/docusaurus/issues/6036
*/
export const createStorageSlot = (
key: string,
@ -92,9 +96,28 @@ export const createStorageSlot = (
return NoopStorageSlot;
}
return {
get: () => browserStorage.getItem(key),
set: (value) => browserStorage.setItem(key, value),
del: () => browserStorage.removeItem(key),
get: () => {
try {
return browserStorage.getItem(key);
} catch (e) {
console.error(`Docusaurus storage error, can't get key=${key}`, e);
return null;
}
},
set: (value) => {
try {
browserStorage.setItem(key, value);
} catch (e) {
console.error(`Docusaurus storage error, can't set ${key}=${value}`, e);
}
},
del: () => {
try {
browserStorage.removeItem(key);
} catch (e) {
console.error(`Docusaurus storage error, can't delete key=${key}`, e);
}
},
};
};