export function extractJsonFromText(text: string): any | null {
if (!text) {
return null; // Handle empty input text
}
try {
// Regex to extract JSON object (using non-greedy match and allowing for whitespace)
const jsonRegex = /\{[\s\S]*?\}/; // Non-greedy match for JSON object
const match = text.match(jsonRegex);
if (match && match[0]) {
const jsonString = match[0];
try {
return JSON.parse(jsonString); // Attempt to parse the extracted string as JSON
} catch (jsonParseError) {
console.error("Error parsing JSON string:", jsonParseError);
return null; // Return null if JSON parsing fails
}
} else {
console.warn("No JSON object found in text using regex.");
return null; // Return null if no JSON object is found
}
} catch (regexError) {
console.error("Regex error during JSON extraction:", regexError);
return null; // Return null if regex matching fails
}
}
export function isValidJSON(jsonString: string): boolean {
try {
JSON.parse(jsonString);
return true; // Parsing succeeded, it's valid JSON
} catch {
return false; // Parsing failed, it's not valid JSON
}
}
export function safeParseJSON<T>(jsonString: string, defaultValue: T): T {
try {
return JSON.parse(jsonString) as T; // Attempt to parse and cast to type T
} catch {
return defaultValue; // Return defaultValue if parsing fails
}
}
export function stringifyJSON(jsonObject: any, prettyPrint: boolean = false): string | null {
try {
if (prettyPrint) {
return JSON.stringify(jsonObject, null, 2); // Pretty print with indentation of 2 spaces
} else {
return JSON.stringify(jsonObject);
}
} catch {
return null; // Return null if stringification fails
}
}
