| 1 | const type = s =>
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| 2 | Object.prototype.toString
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| 3 | .call(s)
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| 4 | .slice(8, -1)
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| 5 | .toLowerCase();
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| 6 |
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| 7 | const types = [
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| 8 | "String",
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| 9 | "Array",
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| 10 | "Undefined",
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| 11 | "Boolean",
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| 12 | "Number",
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| 13 | "Function",
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| 14 | "Symbol",
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| 15 | "Object"
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| 16 | ];
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| 17 |
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| 18 | module.exports = types.reduce((acc, str) => {
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| 19 | acc["is" + str] = val => type(val) === str.toLowerCase();
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| 20 | return acc;
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| 21 | }, {});
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