| 1 | function isNumeric(num) {
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| 2 | return !isNaN(num);
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| 3 | }
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| 4 |
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| 5 | function safeToNumber(num) {
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| 6 | if (isNumeric(num)) {
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| 7 | return Number(num);
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| 8 | }
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| 9 |
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| 10 | return num;
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| 11 | }
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| 12 |
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| 13 | function safeToArray(field) {
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| 14 | if (typeof field === "string") {
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| 15 | return [field];
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| 16 | }
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| 17 |
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| 18 | return field;
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| 19 | }
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| 20 |
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| 21 | module.exports = {
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| 22 | isNumeric,
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| 23 | safeToNumber,
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| 24 | safeToArray,
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| 25 | };
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