| 1 | ;
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | const identifierRegex = /^[a-z$_][$\w]*$/i;
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| 4 | const reservedSet = new Set([
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| 5 | 'undefined',
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| 6 | 'null',
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| 7 | 'true',
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| 8 | 'false',
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| 9 | 'super',
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| 10 | 'this',
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| 11 | 'Infinity',
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| 12 | 'NaN'
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| 13 | ]);
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| 14 | /**
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| 15 | Test if the string is a valid JavaScript identifier.
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| 16 |
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| 17 | @param string - String to test.
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| 18 | */
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| 19 | exports.default = (string) => string && !reservedSet.has(string) && identifierRegex.test(string);
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