41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
/**
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* Parse JSON but return the original string if it fails
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*
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* @param {any} json JSON string to parse
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* @param fallback Fallback value if unable to parse, defaults to original string
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* @return {string | T} Object if successful, original string otherwise
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*/
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export function JSONAttemptParse<T1, T2>(json: T2, fallback?: T1): T1 | T2 {
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try { return JSON.parse(<any>json); }
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catch { return fallback ?? json; }
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}
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/**
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* Stringifies objects & skips primitives
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*
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* @param {any} obj Object to convert to serializable value
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* @return {string | T} Serialized value
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*/
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export function JSONSerialize<T1>(obj: T1): T1 | string {
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if(typeof obj == 'object' && obj != null) return JSONSanitize(obj);
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return obj;
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}
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/**
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* Convert an object to a JSON string avoiding any circular references.
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*
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* @param obj Object to convert to JSON
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* @param {number} space Format the JSON with spaces
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* @return {string} JSON string
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*/
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export function JSONSanitize(obj: any, space?: number): string {
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const cache: any[] = [];
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return JSON.stringify(obj, (key, value) => {
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if(typeof value === 'object' && value !== null) {
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if(cache.includes(value)) return '[Circular]';
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cache.push(value);
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}
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return value;
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}, space);
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}
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