38 lines
998 B
TypeScript
38 lines
998 B
TypeScript
import { AppEvents } from '@grafana/data';
|
|
import appEvents from 'app/core/app_events';
|
|
|
|
export function getPrettyJSON(obj: unknown): string {
|
|
let r = '';
|
|
try {
|
|
r = JSON.stringify(obj, getCircularReplacer(), 2);
|
|
} catch (e) {
|
|
if (
|
|
e instanceof Error &&
|
|
(e.toString().includes('RangeError') || e.toString().includes('allocation size overflow'))
|
|
) {
|
|
appEvents.emit(AppEvents.alertError, [e.toString(), 'Cannot display JSON, the object is too big.']);
|
|
} else {
|
|
appEvents.emit(AppEvents.alertError, [e instanceof Error ? e.toString() : e]);
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
function getCircularReplacer() {
|
|
const seen = new WeakSet();
|
|
|
|
return (key: string, value: unknown) => {
|
|
if (key === '__dataContext' || key === '__sceneObject') {
|
|
return 'Filtered out in JSON serialization';
|
|
}
|
|
|
|
if (typeof value === 'object' && value !== null) {
|
|
if (seen.has(value)) {
|
|
return;
|
|
}
|
|
seen.add(value);
|
|
}
|
|
return value;
|
|
};
|
|
}
|