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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