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fix: Add JSON sanitization to handle NaN values in streaming requests (#8736)

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🔧 (api.tsx): add a helper function sanitizeJsonString to replace NaN values with null in JSON strings for proper parsing
This commit is contained in:
Cristhian Zanforlin Lousa 2025-06-25 16:04:51 -03:00 • committed by GitHub
commit d2d774d11c
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1 changed files with 14 additions and 2 deletions
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16
src/frontend/src/controllers/API/api.tsx
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@ -272,6 +272,16 @@ export type StreamingRequestParams = {
eventDeliveryConfig?: EventDeliveryType;
};
// Helper function to sanitize JSON strings
function sanitizeJsonString(jsonStr: string): string {
// Replace NaN with null (valid JSON)
return jsonStr
.replace(/:\s*NaN\b/g, ": null")
.replace(/\[\s*NaN\s*\]/g, "[null]")
.replace(/,\s*NaN\s*,/g, ", null,")
.replace(/,\s*NaN\s*\]/g, ", null]");
}
async function performStreamingRequest({
method,
url,
@ -323,7 +333,8 @@ async function performStreamingRequest({
const allString = current.join("") + string;
let data: object;
try {
data = JSON.parse(allString);
const sanitizedJson = sanitizeJsonString(allString);
data = JSON.parse(sanitizedJson);
current = [];
} catch (e) {
current.push(string);
@ -342,7 +353,8 @@ async function performStreamingRequest({
if (current.length > 0) {
const allString = current.join("");
if (allString) {
const data = JSON.parse(current.join(""));
const sanitizedJson = sanitizeJsonString(allString);
const data = JSON.parse(sanitizedJson);
await onData(data);
}
}