1 | const eq = require('./eq')
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2 | const neq = require('./neq')
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3 | const gt = require('./gt')
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4 | const gte = require('./gte')
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5 | const lt = require('./lt')
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6 | const lte = require('./lte')
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7 |
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8 | const cmp = (a, op, b, loose) => {
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9 | switch (op) {
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10 | case '===':
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11 | if (typeof a === 'object')
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12 | a = a.version
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13 | if (typeof b === 'object')
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14 | b = b.version
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15 | return a === b
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16 |
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17 | case '!==':
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18 | if (typeof a === 'object')
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19 | a = a.version
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20 | if (typeof b === 'object')
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21 | b = b.version
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22 | return a !== b
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23 |
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24 | case '':
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25 | case '=':
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26 | case '==':
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27 | return eq(a, b, loose)
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28 |
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29 | case '!=':
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30 | return neq(a, b, loose)
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31 |
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32 | case '>':
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33 | return gt(a, b, loose)
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34 |
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35 | case '>=':
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36 | return gte(a, b, loose)
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37 |
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38 | case '<':
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39 | return lt(a, b, loose)
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40 |
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41 | case '<=':
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42 | return lte(a, b, loose)
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43 |
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44 | default:
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45 | throw new TypeError(`Invalid operator: ${op}`)
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46 | }
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47 | }
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48 | module.exports = cmp
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