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- const suspectProtoRx = /"(?:_|\\u005[Ff])(?:_|\\u005[Ff])(?:p|\\u0070)(?:r|\\u0072)(?:o|\\u006[Ff])(?:t|\\u0074)(?:o|\\u006[Ff])(?:_|\\u005[Ff])(?:_|\\u005[Ff])"\s*:/;
- const suspectConstructorRx = /"(?:c|\\u0063)(?:o|\\u006[Ff])(?:n|\\u006[Ee])(?:s|\\u0073)(?:t|\\u0074)(?:r|\\u0072)(?:u|\\u0075)(?:c|\\u0063)(?:t|\\u0074)(?:o|\\u006[Ff])(?:r|\\u0072)"\s*:/;
- const JsonSigRx = /^["{[]|^-?[0-9][0-9.]{0,14}$/;
- function jsonParseTransform(key, value) {
- if (key === "__proto__" || key === "constructor") {
- return;
- }
- return value;
- }
- function destr(val) {
- if (typeof val !== "string") {
- return val;
- }
- const _lval = val.toLowerCase();
- if (_lval === "true") {
- return true;
- }
- if (_lval === "false") {
- return false;
- }
- if (_lval === "null") {
- return null;
- }
- if (_lval === "nan") {
- return NaN;
- }
- if (_lval === "infinity") {
- return Infinity;
- }
- if (_lval === "undefined") {
- return void 0;
- }
- if (!JsonSigRx.test(val)) {
- return val;
- }
- try {
- if (suspectProtoRx.test(val) || suspectConstructorRx.test(val)) {
- return JSON.parse(val, jsonParseTransform);
- }
- return JSON.parse(val);
- } catch (_e) {
- return val;
- }
- }
- export { destr as default };
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