21 lines
770 B
TypeScript
21 lines
770 B
TypeScript
export const extractJSON = (str?: string) => {
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if (!str) return
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let firstOpen = 0, firstClose = 0, candidate = '';
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firstOpen = str.indexOf('{', firstOpen + 1);
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do {
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firstClose = str.lastIndexOf('}');
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if (firstClose <= firstOpen) {
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return;
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}
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do {
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candidate = str.substring(firstOpen, firstClose + 1);
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try {
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let result = JSON.parse(candidate);
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return { result, start: firstOpen < 0 ? 0 : firstOpen, end: firstClose }
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}
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catch (e) { }
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firstClose = str.substring(0, firstClose).lastIndexOf('}');
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} while (firstClose > firstOpen);
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firstOpen = str.indexOf('{', firstOpen + 1);
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} while (firstOpen != -1);
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} |