35 lines
781 B
JavaScript
35 lines
781 B
JavaScript
import LZString from "lz-string";
|
|
|
|
export function read() {
|
|
const hash = document.location.hash.slice(1);
|
|
if (!hash) {
|
|
return {};
|
|
}
|
|
|
|
// backwards support for old json encoded URIComponent
|
|
const decode = hash.includes("%7B%22")
|
|
? decodeURIComponent
|
|
: LZString.decompressFromEncodedURIComponent;
|
|
|
|
try {
|
|
return JSON.parse(decode(hash));
|
|
} catch (_) {
|
|
return {};
|
|
}
|
|
}
|
|
|
|
export function replace(state) {
|
|
const hash = LZString.compressToEncodedURIComponent(JSON.stringify(state));
|
|
if (
|
|
typeof URL === "function" &&
|
|
typeof history === "object" &&
|
|
typeof history.replaceState === "function"
|
|
) {
|
|
const url = new URL(location);
|
|
url.hash = hash;
|
|
history.replaceState(null, null, url);
|
|
} else {
|
|
location.hash = hash;
|
|
}
|
|
}
|